CN112822622B - Multi-channel test system and method - Google Patents
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Abstract
The invention discloses a multi-channel test system and a method. The multi-channel test system comprises: the system comprises a sound transmission module, a switching module, an audio output terminal, an audio input terminal and an audio playing module; the switching module connects the target audio output terminal and the target audio input terminal to the channel connection bus according to the channel switching signal; the sound of the sound transmission module is converted into an audio signal, and the audio signal is sent to a target audio output terminal through a channel connection bus; the target audio output terminal transmits the audio signal to the target input channel; the target audio input terminal receives an audio output signal fed back by the target output channel, and sends the audio output signal to the audio playing module through the channel connection bus so that the audio playing module plays, and the target input channel and the target output channel are tested according to the playing effect. Carry out signal transmission through using the passageway to connect the bus, use and switch the module and switch the passageway, reduce artifical waste that artifical manual pulling and inserting brought, improve multichannel efficiency of software testing.
Description
Technical Field
The invention relates to the technical field of signal control, in particular to a multi-channel test system and a multi-channel test method.
Background
In an audio processor device, a plurality of channels of analog quantity signals exist, the analog quantity signals comprise input signals and output signals, and the effect of the input signals and the output signals is an extremely important performance index of the audio processor device and is one of the factors which are important for guaranteeing the production process.
The sampling of various present multi-channel analog quantity acquisition and output devices and the effect test of an output channel (hereinafter referred to as a 'tested channel') mainly comprise that a microphone is connected into an input channel to be tested of equipment according to each tested channel manually, the output channel to be tested is connected into an active sound box, a computer is operated to open related control software to supply power to the input channel in a phantom way, then the signal sensitivity is adjusted, an output line of a standard signal source is connected into a terminal corresponding to the channel to be tested in a manual mode, a test loop is communicated, a tester speaks to the microphone to hear a sound effect, and the sound effect is recorded, and the confirmation test of the channel and the sound effect of the channel to be tested is completed; when testing the next channel to be tested, manually removing an output line plug of the microphone from the terminal corresponding to the channel to be tested, and manually transferring and re-accessing the corresponding terminal of the next channel to be tested; and repeating the steps until all channels to be tested are tested. In the prior art, the process of testing the analog quantity effect of the equipment mainly depends on the frequent plugging and unplugging of the input end and the output end of the signal source operated by a tester, the connection of a test loop is conducted, and the efficiency is low.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a multi-channel test system and a multi-channel test method, and aims to solve the technical problem of low test efficiency caused by the fact that test personnel frequently plug in and unplug signal source input ends and signal source output ends during the existing multi-channel analog quantity effect test.
To achieve the above object, the present invention provides a multi-channel test system, comprising: the device comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module, wherein each audio output terminal is connected with each input channel of a device to be tested, and each audio input terminal is connected with each output channel of the device to be tested;
the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of the device to be tested, and the target audio input terminal is connected with a target output channel of the device to be tested;
the sound transmission module converts received sound into an audio signal and sends the audio signal to the target audio output terminal through the channel connection bus;
the target audio output terminal transmits the audio signal to the target input channel so that the device to be tested feeds back an audio output signal through the target output channel;
the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connection bus;
and the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect.
Optionally, the multi-channel test system further comprises a control module;
the control module is used for receiving a mute starting control instruction input by a user and carrying out mute starting on the sound received by the sound transmission module according to the mute starting control instruction;
the control module is further configured to receive a mute closing control instruction input by a user, and mute and close the sound received by the sound transmission module according to the mute closing control instruction.
Optionally, the control module is further configured to perform phantom power supply to the sound transmission module through the channel connection bus when receiving a power supply control signal.
Optionally, the control module is further configured to receive a volume adjustment control signal, and send the volume adjustment control signal to the audio playing module through the channel connection bus;
and the audio playing module is used for receiving the volume adjusting control signal and adjusting the volume according to the volume adjusting control signal.
Optionally, the multi-channel test system further comprises a display screen;
and the display screen is used for acquiring the voltage value on the channel connection bus in real time and displaying the voltage value.
Optionally, the multichannel testing system further comprises an audio input interface, and the acoustic transmission module comprises a microphone;
the microphone is used for converting the received sound into an audio signal and transmitting the audio signal to the audio input interface;
and the audio input interface is used for sending the audio signal to the target audio output terminal through the channel connection bus.
Optionally, the multi-channel test system further includes an audio output interface, and the audio playing module includes a sound box;
the audio output interface is used for receiving the audio output signal transmitted by the target audio input terminal and sending the audio output signal to the sound box;
and the sound box is used for playing according to the audio output signal so as to finish the test of the target input channel and the target output channel according to the playing effect.
In addition, in order to achieve the above object, the present invention further provides a multi-channel testing method, which is applied to the multi-channel testing system as described above, and the multi-channel testing system includes: the system comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module;
the multichannel test method comprises the following steps:
the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of a device to be tested, and the target audio input terminal is connected with a target output channel of the device to be tested;
the sound transmission module converts received sound into an audio signal and sends the audio signal to the target audio output terminal through the channel connection bus;
the target audio output terminal transmits the audio signal to the target input channel so that the device to be tested feeds back the audio output signal through the target output channel;
the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connection bus;
and the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect.
Optionally, the multi-channel test system further comprises a control module;
before the switching module receives a channel switching signal input by a user and connects the target audio output terminal and the target audio input terminal to the channel connection bus according to the channel switching signal, the method further includes:
the control module receives a mute starting control instruction input by a user and performs mute starting on the sound received by the sound transmission module according to the mute starting control instruction;
the switching module receives a channel switching signal input by a user, and after the target audio output terminal and the target audio input terminal are connected to the channel connection bus according to the channel switching signal, the method further comprises the following steps:
the control module receives a mute closing control instruction input by a user, and performs mute closing on the sound received by the sound transmission module according to the mute closing control instruction.
Optionally, before the acoustic transmission module converts the received sound into an audio signal and sends the audio signal to the target audio output terminal through the channel connection bus, the method further includes:
and when the control module receives a power supply control signal, the control module performs phantom power supply on the sound transmission module through the channel connection bus.
The invention provides a multi-channel test system, comprising: the system comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module, wherein each audio output terminal is connected with each input channel of the equipment to be tested, and each audio input terminal is connected with each output channel of the equipment to be tested; the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of the to-be-tested equipment, and the target audio input terminal is connected with a target output channel of the to-be-tested equipment; the sound transmission module converts the received sound into an audio signal and sends the audio signal to a target audio output terminal through a channel connection bus; the target audio output terminal transmits the audio signal to a target input channel so that the device to be tested can feed back the audio output signal through the target output channel; the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connection bus; the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect. Carry out signal transmission through using the channel connection bus, use the switching module to switch the passageway to realize the target input channel of awaiting measuring equipment and target output channel's return circuit intercommunication, when carrying out the test of next passageway, switch to the passageway that needs the test through the switching module, reduce artifical waste that artifical manual pulling and inserting brought, improve multichannel efficiency of software testing.
Drawings
FIG. 1 is a block diagram of a first embodiment of a multi-channel test system of the present invention;
FIG. 2 is a block diagram of a second embodiment of a multi-channel test system according to the present invention;
FIG. 3 is a schematic flow chart of a first embodiment of the multi-channel testing method of the present invention;
FIG. 4 is a schematic flow chart of a second embodiment of the multi-channel testing method of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
An embodiment of the present invention provides a multi-channel test system, and referring to fig. 1, fig. 1 is a structural block diagram of a first embodiment of the multi-channel test system of the present invention.
In this embodiment, the multi-channel test system includes: the test device comprises a sound transmission module 10, a switching module 20, a plurality of audio output terminals 30, a plurality of audio input terminals 40 and an audio playing module 50, wherein each audio output terminal 30 is connected with each input channel of a device to be tested, and each audio input terminal 40 is connected with each output channel of the device to be tested;
the switching module 20 is configured to receive a channel switching signal input by a user, and connect a target audio output terminal 30 and a target audio input terminal 40 to a channel connection bus according to the channel switching signal, where the target audio output terminal 30 is connected to a target input channel of the device to be tested, and the target audio input terminal 40 is connected to a target output channel of the device to be tested. In this embodiment, the sound transmission module 10, the switching module 20, the audio output terminals 30, the audio input terminals 40, the audio playing module 50, and the channel connection bus are integrated into a multi-channel testing device, before testing, a testing environment is first constructed by the multi-channel testing system provided in this embodiment, each audio output terminal 30 is connected to each input channel of the device to be tested by a signal connection line, and each audio input terminal 40 is connected to each output channel of the device to be tested. The switching module 20 may include a paddle or slide switch, and the device to be tested may be an audio processor, which is also referred to as a digital processor. The digital processor is used for processing digital signals, and the internal structure of the digital processor is generally composed of an input part and an output part. The number of the audio output terminals 30 and the number of the audio input terminals 40 may be set according to actual conditions, for example, the multi-channel test system has 8 audio output terminals 30, 4 of which are connected with input channels, and 8 audio input terminals 40, 4 of which are connected with output channels. The number of the audio output terminals 30 and the audio input terminals 40 is not limited in the present embodiment.
The sound transmission module 10 is configured to convert the received sound into an audio signal, and send the audio signal to the target audio output terminal 30 through the channel connection bus. In this embodiment, the sound transmission module 10 may include a microphone, which converts the change of sound into a change of voltage or current through a specific mechanism, and transmits the audio signal to the target audio output terminal 30 through the channel connection bus; the sound transmission module 10 may further include a sound card, which obtains a sound analog signal from the microphone, samples and converts the sound wave amplitude signal into a series of digital signals through an analog-to-digital converter, stores the digital signals into a preset storage area, sends the digital signals to a digital-to-analog converter during a multi-channel test, restores the digital signals into an analog waveform at the same sampling speed, and sends the analog waveform audio signal to the target audio output terminal 30 through a channel connection bus.
The target audio output terminal 30 is configured to transmit the audio signal to the target input channel, so that the device to be tested feeds back an audio output signal through the target output channel. In this embodiment, the audio output terminal 30 may be configured to have a structure with three normally open contacts, which is described by taking the audio output terminal a 30 as an example, the audio output terminal a 30 is connected to the input channel a, a normally open contact of the audio output terminal a 30 is connected to the channel connection bus, and a normally open contact is connected to the input channel a, when the switching module 20 switches according to the channel switching signal, a turn-on signal is input to the audio output terminal a 30, the signal between the audio output terminal a 30 and the channel connection bus is communicated, and the signal is transmitted to the audio output terminal a 30 from the channel connection bus and then transmitted to the input channel a.
The target audio input terminal 40 is configured to receive the audio output signal and send the audio output signal to the audio playing module 50 through the channel connection bus. In this embodiment, the audio input terminal 40 may be configured to have a structure with three normally open contacts, which is described by taking the B audio input terminal 40 as an example, the B audio input terminal 40 is connected to the B output channel, a normally open contact of the B audio input terminal 40 is connected to the channel connection bus, and a normally open contact is connected to the B output channel, when the switching module 20 switches according to the channel switching signal, a turn-on signal is input to the B audio input terminal 40, the B audio input terminal 40 is communicated with the signal between the channel connection bus, and the signal is transmitted to the B audio input terminal 40 from the B output channel and then transmitted to the channel connection bus.
The audio playing module 50 is configured to play according to the audio output signal, so as to implement a test on the target input channel and the target output channel according to a playing effect. In this embodiment, the process of determining the playing effect of the audio playing module 50 may adopt a manner of scoring by a plurality of testers, and calculate an average value according to the scores of the plurality of testers, and when the average value is greater than a preset threshold, it is determined that the playing effect of the target input channel and the target output channel is good.
This embodiment proposes a multichannel test system, includes: the system comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module, wherein each audio output terminal is connected with each input channel of the equipment to be tested, and each audio input terminal is connected with each output channel of the equipment to be tested; the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of the to-be-tested equipment, and the target audio input terminal is connected with a target output channel of the to-be-tested equipment; the sound transmission module converts the received sound into an audio signal and sends the audio signal to a target audio output terminal through a channel connection bus; the target audio output terminal transmits the audio signal to a target input channel so that the device to be tested can feed back the audio output signal through the target output channel; the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connection bus; the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect. Carry out signal transmission through using the passageway to connect the bus, use the switching module to switch over the passageway to realize the target input channel of the equipment that awaits measuring and target output channel's return circuit intercommunication, when carrying out the test of next passageway, switch over to the passageway that needs the test through the switching module, reduce artifical waste that manual pulling and inserting brought, improve multichannel efficiency of software testing.
Referring to fig. 2, fig. 2 is a flow chart of a multi-channel testing system according to a second embodiment of the present invention.
Based on the first embodiment, the multi-channel testing system in this embodiment further includes a control module 60;
the control module 60 is configured to receive a mute start control instruction input by a user, and mute start the sound received by the sound transmission module 10 according to the mute start control instruction. In this embodiment, the control module 60 may be configured as a button, and the user can complete the control of turning on and off the mute of the sound transmission module 10 and the system through the first button. When the channel is switched, the user controls the system to mute through the first button, so that noise is prevented from being generated in the switching process, and the testing effect is prevented from being influenced.
The control module 60 is further configured to receive a mute closing control instruction input by a user, and mute and close the sound received by the sound transmission module 10 according to the mute closing control instruction.
The control module 60 is further configured to perform phantom power supply to the sound transmission module 10 through the channel connection bus when receiving a power supply control signal. In this embodiment, the control module 60 may be configured as a plurality of buttons, each button includes different functions, the user supplies power to the sound transmission module 10 via a second button in a phantom manner, and the sound transmission module 10 converts the received sound into an audio signal, so as to test the input channel and the output channel of the device.
The control module 60 is further configured to receive a volume adjustment control signal, and send the volume adjustment control signal to the audio playing module 50 through the channel connection bus. In this embodiment, the user sends a volume adjustment control signal to the audio playing module 50 through the third button, so that the testing process is more flexible, and the testing effect is prevented from being affected by too large or too small sound.
The audio playing module 50 is configured to receive the volume adjustment control signal, and adjust the volume according to the volume adjustment control signal.
The multi-channel test system further comprises a display screen 70;
the display screen 70 is configured to obtain a voltage value on the channel connection bus in real time, and display the voltage value. In this embodiment, in order to ensure the normal operation of the test process, the voltage on the channel connection bus is monitored, and a display screen 70 is provided to display the voltage value on the channel connection bus in real time.
The multi-channel test system further comprises an audio input interface 80, the acoustic transmission module 10 comprises a microphone 90;
the microphone 90 is configured to convert the received sound into an audio signal, and transmit the audio signal to the audio input interface 80. In this embodiment, in order to save the cost of mass production of the multi-channel testing device, the audio input interface 80, the switching module 20, the audio output terminals 30, the audio input terminals 40, the audio playing module 50, and the channel connection bus are integrated into a multi-channel testing device, and the microphone 90 is connected to the audio input interface 80 through a connection line, so as to convert the received sound into an audio signal and input the audio signal into the multi-channel testing device.
The audio input interface 80 is configured to send the audio signal to the target audio output terminal 30 through the channel connection bus.
The multi-channel testing system further comprises an audio output interface 100, and the audio playing module 50 comprises a sound box 110;
the audio output interface 100 is configured to receive the audio output signal transmitted by the target audio input terminal 40, and send the audio output signal to the sound box 110. In this embodiment, in order to save the cost of mass production of the multi-channel testing device, the audio input interface 80, the switching module 20, the audio output terminals 30, the audio input terminals 40, the audio output interface 100, and the channel connection bus are integrated into a multi-channel testing device, the microphone 90 is connected to the audio input interface 80 through a connection line, the speaker 110 is connected to the audio output interface 100 through a connection line, the microphone 90 converts the received sound into an audio signal, and inputs the audio signal into the multi-channel testing device, and the speaker 110 receives the audio output signal of the multi-channel testing device and plays the audio signal.
The sound box 110 is configured to play according to the audio output signal, so as to complete testing of the target input channel and the target output channel according to a playing effect.
The control module replaces computer software control, computer operation can be separated, time for switching control tools is shortened, multi-channel testing efficiency is improved, mute opening and closing control is carried out through the control module when switching is carried out, and the situation that audio frequency disorder occurs in the testing process and testing results are affected is avoided.
Referring to fig. 3, fig. 3 is a flowchart illustrating a multi-channel testing method according to a first embodiment of the present invention.
As shown in fig. 3, the multi-channel testing method provided by the embodiment of the present invention is applied to the multi-channel testing system, and the multi-channel testing system includes: the device comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module;
the multichannel test method comprises the following steps:
step S10: the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of a device to be tested, and the target audio input terminal is connected with a target output channel of the device to be tested.
It can be understood that the execution main body of this embodiment is a multi-channel test device, in which a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals, an audio playing module, and a channel connection bus are integrated, before testing, a test environment is first constructed by the multi-channel test system provided in this embodiment, each audio output terminal is connected with each input channel of a device to be tested by a signal connection line, and each audio input terminal is connected with each output channel of the device to be tested. The switching module may include a paddle or a slide switch, and the device to be tested may be an audio processor, which is also referred to as a digital processor. Digital processors are used for processing digital signals, and the internal structure of the digital processors is generally composed of an input part and an output part. The number of the audio output terminals and the number of the audio input terminals can be set according to actual conditions, for example, the multi-channel test system has 8 audio output terminals in total, wherein 4 of the audio output terminals are connected with input channels, and 8 of the audio input terminals in total, and 4 of the audio input terminals are connected with output channels. The number of audio output terminals and audio input terminals is not limited in this embodiment.
Step S20: the sound transmission module converts received sound into an audio signal and sends the audio signal to the target audio output terminal through the channel connection bus.
It should be noted that, the sound transmission module may include a microphone, and the microphone converts the change of sound into the change of voltage or current through a specific mechanism, and sends the audio signal to the target audio output terminal through the channel connection bus; the sound transmission module can also comprise a sound card, wherein the sound card acquires sound analog signals from a microphone, samples and converts sound wave amplitude signals into a series of digital signals through an analog-to-digital converter, stores the digital signals into a preset storage area, sends the digital signals to a digital-to-analog converter during multi-channel test, restores the digital signals into analog waveforms at the same sampling speed, and sends the analog waveform audio signals to a target audio output terminal through a channel connection bus.
Step S30: the target audio output terminal transmits the audio signal to the target input channel so that the device to be tested feeds back an audio output signal through the target output channel.
It should be understood that the audio output terminal may be configured to have a structure with three normally open contacts, which is described by taking the a audio output terminal as an example, the a audio output terminal is connected to the a input channel, one normally open contact of the a audio output terminal is connected to the channel connection bus, and one normally open contact is connected to the a input channel, when the switching module switches according to the channel switching signal, a conduction signal is input to the a audio output terminal, the signal between the a audio output terminal and the channel connection bus is communicated, and the signal is transmitted from the channel connection bus to the a audio output terminal and then to the a input channel.
Step S40: the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connecting bus.
It should be noted that the audio input terminal may be set to have a structure with three normally open contacts, which is described by taking the B audio input terminal as an example, the B audio input terminal is connected with the B output channel, a normally open contact of the B audio input terminal is connected with the channel connection bus, and a normally open contact is connected with the B output channel.
Step S50: and the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect.
It can be understood that, the process of judging the playing effect of the audio playing module may adopt a mode of scoring by a plurality of testers, an average value is calculated according to the scores of the plurality of testers, and when the average value is greater than a preset threshold value, the playing effect of the target input channel and the target output channel is determined to be good.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited in this respect.
The embodiment provides a multi-channel test method, which includes: the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of the device to be tested, and the target audio input terminal is connected with a target output channel of the device to be tested; the sound transmission module converts the received sound into an audio signal and sends the audio signal to a target audio output terminal through a channel connection bus; the target audio output terminal transmits the audio signal to a target input channel so that the device to be tested can feed back the audio output signal through the target output channel; the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connection bus; the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect. Carry out signal transmission through using the channel connection bus, use the switching module to switch the passageway to realize the target input channel of awaiting measuring equipment and target output channel's return circuit intercommunication, when carrying out the test of next passageway, switch to the passageway that needs the test through the switching module, reduce artifical waste that artifical manual pulling and inserting brought, improve multichannel efficiency of software testing.
It should be noted that the above-described work flows are only exemplary, and do not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to actual needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment may refer to the multi-channel test system provided in any embodiment of the present invention, and are not described herein again.
Referring to fig. 4, fig. 4 is a schematic flowchart of a second embodiment of the multi-channel testing method of the present invention, based on the first embodiment, in this embodiment, before the step S10, the method further includes:
step S101: the control module receives a mute starting control instruction input by a user, and performs mute starting on the sound received by the sound transmission module according to the mute starting control instruction.
It is understood that the control module can be configured as a button, and the user can complete the control of the mute on and off of the sound module and the system through the first button. When the channel is switched, the user controls the system to mute through the first button, so that noise is prevented from being generated in the switching process, and the testing effect is prevented from being influenced.
After the step S10, the method further includes:
step S102: the control module receives a mute closing control instruction input by a user, and performs mute closing on the sound received by the sound transmission module according to the mute closing control instruction.
Before the step S20, the method further includes:
step S201: and when the control module receives a power supply control signal, the control module performs phantom power supply on the sound transmission module through the channel connection bus.
It should be noted that the control module may be configured as a plurality of buttons, each button includes a different function, the user supplies power to the sound transmission module through the second button in a phantom manner, and the sound transmission module converts received sound into an audio signal, so as to test the input channel and the output channel of the device.
The control module replaces computer software control, computer operation can be separated, time for switching control tools is shortened, multi-channel testing efficiency is improved, mute opening and closing control is carried out through the control module when switching is carried out, and the situation that audio frequency disorder occurs in the testing process and testing results are affected is avoided.
In an embodiment, after the audio playing module plays according to the audio output signal, so as to implement the test on the target input channel and the target output channel according to the playing effect, the method further includes:
the control module receives a volume adjustment control signal and sends the volume adjustment control signal to the audio playing module through the channel connection bus;
and the audio playing module receives the volume adjusting control signal and adjusts the volume according to the volume adjusting control signal.
In one embodiment, the multi-channel test system further comprises a display screen;
the method further comprises the following steps that the sound transmission module converts received sound into an audio signal and sends the audio signal to the target audio output terminal through the channel connection bus, and the method further comprises the following steps:
and the display screen acquires the voltage value on the channel connection bus in real time and displays the voltage value.
In one embodiment, the multi-channel test system further comprises an audio input interface, the acoustic module comprises a microphone;
the transaudient module turns into audio signal with the sound that receives to with audio signal passes through the passageway connection bus sends to target audio output terminal, includes:
the microphone converts received sound into an audio signal and transmits the audio signal to the audio input interface;
and the audio input interface sends the audio signal to the target audio output terminal through the channel connection bus.
In an embodiment, the multi-channel test system further includes an audio output interface, and the audio playing module includes a sound box;
the audio playing module plays according to the audio output signal, so as to realize the test of the target input channel and the target output channel according to the playing effect, and the method comprises the following steps:
the audio output interface receives the audio output signal transmitted by the target audio input terminal and sends the audio output signal to the sound box;
and the sound box plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g. Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (e.g. a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A multi-channel test system, the multi-channel test system comprising: the device comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module, wherein each audio output terminal is connected with each input channel of the device to be tested, and each audio input terminal is connected with each output channel of the device to be tested;
the switching module is used for receiving a channel switching signal input by a user, connecting a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, connecting the target audio output terminal with a target input channel of the device to be tested, and connecting the target audio input terminal with the target output channel of the device to be tested, wherein the switching module comprises a plectrum or a slide switch;
the sound transmission module is used for converting received sound into an audio signal and sending the audio signal to the target audio output terminal through the channel connection bus;
the target audio output terminal is used for transmitting the audio signal to the target input channel so that the device to be tested feeds back an audio output signal through the target output channel;
the target audio input terminal is used for receiving the audio output signal and sending the audio output signal to the audio playing module through the channel connection bus;
the audio playing module is used for playing according to the audio output signal so as to realize the test of the target input channel and the target output channel according to the playing effect;
the target audio output terminal is set to be in a structure with three normally open contacts, one normally open contact of the target audio output terminal is connected with the channel connecting bus, the other normally open contact of the target audio output terminal is connected with the target input channel, and when the switching module switches according to a channel switching signal, a conduction signal is input to the target audio output terminal to communicate the signal between the target audio output terminal and the channel connecting bus;
the target audio input terminal is set to be of a structure with three normally open contacts, one normally open contact of the target audio input terminal is connected with the channel connection bus, the other normally open contact of the target audio input terminal is connected with the target output channel, and when the switching module switches according to a channel switching signal, a conduction signal is input to the target audio input terminal to communicate the signal between the target audio input terminal and the channel connection bus.
2. The multi-channel test system of claim 1, further comprising a control module;
the control module is used for receiving a mute starting control instruction input by a user and carrying out mute starting on the sound received by the sound transmission module according to the mute starting control instruction;
the control module is further configured to receive a mute closing control instruction input by a user, and mute and close the sound received by the sound transmission module according to the mute closing control instruction.
3. The multi-channel test system of claim 2, wherein the control module is further configured to phantom power the transaudient module via the channel connection bus upon receiving a power control signal.
4. The multi-channel test system as claimed in claim 2, wherein the control module is further configured to receive a volume adjustment control signal, and send the volume adjustment control signal to the audio playing module through the channel connection bus;
and the audio playing module is used for receiving the volume adjusting control signal and adjusting the volume according to the volume adjusting control signal.
5. The multi-channel test system of claim 1, wherein the multi-channel test system further comprises a display screen;
and the display screen is used for acquiring the voltage value on the channel connection bus in real time and displaying the voltage value.
6. The multi-channel test system of any one of claims 1-5, wherein the multi-channel test system further comprises an audio input interface, the transaudient module comprises a microphone;
the microphone is used for converting the received sound into an audio signal and transmitting the audio signal to the audio input interface;
and the audio input interface is used for sending the audio signal to the target audio output terminal through the channel connection bus.
7. The multi-channel test system of any one of claims 1-5, wherein the multi-channel test system further comprises an audio output interface, the audio playback module comprising a sound box;
the audio output interface is used for receiving the audio output signal transmitted by the target audio input terminal and sending the audio output signal to the sound box;
and the sound box is used for playing according to the audio output signal so as to finish the test of the target input channel and the target output channel according to the playing effect.
8. A multi-channel test method, characterized in that it is applied to a multi-channel test system according to any one of claims 1-7, comprising: the system comprises a sound transmission module, a switching module, a plurality of audio output terminals, a plurality of audio input terminals and an audio playing module;
the multichannel test method comprises the following steps:
the switching module receives a channel switching signal input by a user, and connects a target audio output terminal and a target audio input terminal to a channel connection bus according to the channel switching signal, wherein the target audio output terminal is connected with a target input channel of a device to be tested, and the target audio input terminal is connected with the target output channel of the device to be tested, and the switching module comprises a plectrum or a slide switch;
the sound transmission module converts received sound into an audio signal and sends the audio signal to the target audio output terminal through the channel connection bus;
the target audio output terminal transmits the audio signal to the target input channel so that the device to be tested feeds back an audio output signal through the target output channel;
the target audio input terminal receives the audio output signal and sends the audio output signal to the audio playing module through the channel connection bus;
the audio playing module plays according to the audio output signal, so that the target input channel and the target output channel are tested according to the playing effect;
the target audio output terminal is set to be in a structure with three normally open contacts, one normally open contact of the target audio output terminal is connected with the channel connecting bus, the other normally open contact of the target audio output terminal is connected with the target input channel, and when the switching module switches according to a channel switching signal, a conduction signal is input to the target audio output terminal to communicate the signal between the target audio output terminal and the channel connecting bus;
the target audio input terminal is set to be of a structure with three normally open contacts, one normally open contact of the target audio input terminal is connected with the channel connection bus, the other normally open contact of the target audio input terminal is connected with the target output channel, and when the switching module switches according to a channel switching signal, a conduction signal is input to the target audio input terminal to communicate the signal between the target audio input terminal and the channel connection bus.
9. The multi-channel test method of claim 8, wherein the multi-channel test system further comprises a control module;
before the switching module receives a channel switching signal input by a user and connects the target audio output terminal and the target audio input terminal to the channel connection bus according to the channel switching signal, the method further includes:
the control module receives a mute starting control instruction input by a user and performs mute starting on the sound received by the sound transmission module according to the mute starting control instruction;
the switching module receives a channel switching signal input by a user, and after the target audio output terminal and the target audio input terminal are connected to the channel connection bus according to the channel switching signal, the method further comprises the following steps:
the control module receives a mute closing control instruction input by a user, and performs mute closing on the sound received by the sound transmission module according to the mute closing control instruction.
10. The multi-channel test method of claim 9, wherein before the acoustic transmission module converts the received sound into an audio signal and transmits the audio signal to the target audio output terminal through the channel connection bus, the method further comprises:
and when the control module receives a power supply control signal, the control module performs phantom power supply on the sound transmission module through the channel connection bus.
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| CN115361645A (en) * | 2022-06-28 | 2022-11-18 | 骏盈半导体(上海)有限公司 | Switch circuit board for sound effect test and switching circuit thereof |
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