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WO2018149275A1 - Procédé et appareil d'ajustement d'une sortie audio par un haut-parleur - Google Patents

Procédé et appareil d'ajustement d'une sortie audio par un haut-parleur Download PDF

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Publication number
WO2018149275A1
WO2018149275A1 PCT/CN2018/073828 CN2018073828W WO2018149275A1 WO 2018149275 A1 WO2018149275 A1 WO 2018149275A1 CN 2018073828 W CN2018073828 W CN 2018073828W WO 2018149275 A1 WO2018149275 A1 WO 2018149275A1
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WO
WIPO (PCT)
Prior art keywords
location information
audio
speaker
user
audio parameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/073828
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English (en)
Chinese (zh)
Inventor
林友顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth RGB Electronics Co Ltd
Original Assignee
Shenzhen Skyworth RGB Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Skyworth RGB Electronics Co Ltd filed Critical Shenzhen Skyworth RGB Electronics Co Ltd
Publication of WO2018149275A1 publication Critical patent/WO2018149275A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

Definitions

  • the present disclosure relates to the field of audio processing technology, for example, to a method and apparatus for adjusting audio output from a speaker.
  • a speaker is a device that converts audio signals into sound and is used in a variety of devices with audio playback capabilities, such as televisions, CD players, DVD players, and cassette recorders.
  • the TV's own speakers usually come in two forms. The first is that the speakers are mounted on the back of the TV module, and the second is that the speakers are placed separately on the outside of the TV.
  • the first type of speaker is usually set to sound downwards or backwards.
  • the second type of speaker can be set to sound forward, and the sound effect is better, but no matter which form of TV speaker sounds, the speakers are usually set. For directional sounding.
  • the best position for watching TV is the position of the center of the TV screen (usually 3-5 meters directly in front of the TV), which is not only the best visual Location is also the best location for hearing.
  • the speaker design of the TV is directional sounding, that is, the manufacturer sets the position of the middle of the sofa at 3-5 meters in front of the TV as the optimal distance of the sound quality, and the adjustment of the audio parameters is also based on this, so that the user sits
  • the edge of the sofa is not in the optimal position of the sound quality, the sound quality effect felt by the user is not as good as the position in the middle of the sofa, and the user experience is not good.
  • the present disclosure provides a method and apparatus for adjusting audio output from a speaker, which can improve the sound quality of the output audio provided by the speaker for the user.
  • the present disclosure provides a method of adjusting audio output by a speaker, which may include:
  • the present disclosure also provides an apparatus for adjusting audio output by a speaker, which may include:
  • a location information obtaining module configured to obtain location information of the user
  • An audio parameter determining module configured to determine a target audio parameter corresponding to the location information
  • the adjustment instruction sending module is configured to send an adjustment instruction for adjusting the audio parameter to the speaker according to the target audio parameter, so that the speaker adjusts the audio parameter of the speaker to the target audio parameter according to the adjustment instruction, and Audio is output according to the target audio parameter.
  • the present disclosure also provides a computer readable storage medium storing computer executable instructions for performing any of the methods described above.
  • the present disclosure also provides an audio playback device including one or more processors, a memory, and one or more programs, the one or more programs being stored in a memory when being processed by one or more processors When executed, perform any of the above methods.
  • the present disclosure also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer, Having the computer perform any of the methods described above.
  • the method and device for adjusting the output audio of the speaker provided by the present disclosure can provide the user with audio information with better sound quality according to the position information of the user, and improve the user's listening experience to the audio playing device.
  • FIG. 1 is a schematic flow chart of a method for adjusting audio output by a speaker according to an embodiment
  • FIG. 2A is a schematic flow chart of a method for adjusting audio outputted by a speaker according to an embodiment
  • FIG. 2B is a schematic structural diagram of an audio playback device configured with multiple speakers according to an embodiment
  • FIG. 3 is a schematic structural diagram of an apparatus for adjusting audio output by a speaker according to an embodiment
  • FIG. 4 is a schematic structural diagram of hardware of an audio playback device according to an embodiment.
  • FIG. 1 is a schematic flowchart of a method for adjusting audio outputted by a speaker according to the embodiment.
  • the method of the embodiment can be executed by a main chip of an audio playback device such as a television set, a CD player, a DVD player or a cassette recorder, and can be applied to a scene in which an audio playback device outputs audio through a speaker.
  • an audio playback device such as a television set, a CD player, a DVD player or a cassette recorder
  • step 110 the location information of the user is obtained.
  • the location information may refer to location information of a location where the user is located relative to the location of the audio playback device, such as coordinate information, location information, and distance of the user relative to the audio playback device.
  • the audio playback device can collect the current location information of the user in various implementation manners, for example, collecting the location of the user through a sensor on the audio playback device or taking a picture through the camera on the audio playback device to determine the orientation or direction of the user relative to the audio playback device.
  • step 120 a target audio parameter corresponding to the location information is determined.
  • the audio parameters of the audio may include at least one of amplitude, sound delay, sound pressure and orientation of the speaker, and may also include other parameters such as frequency response, wherein the orientation of the speaker refers to the mechanical angle of the speaker in the speaker (many speakers)
  • the speakers are all rotatable).
  • the target audio parameter may also be referred to as a current audio parameter, that is, an audio parameter corresponding to the current location of the user, and determining the current audio parameter corresponding to the current location information may have multiple implementation manners, for example, according to current location information and a set scaling algorithm.
  • the current corresponding audio parameter is calculated, or the audio parameter corresponding to the current location information is determined according to a preset mapping relationship between the location information and the audio parameter.
  • step 130 according to the target audio parameter, an adjustment instruction for adjusting the audio parameter is sent to the speaker, so that the speaker adjusts the audio parameter of the speaker to the target audio parameter according to the adjustment instruction, and outputs the audio according to the target audio parameter.
  • the audio playback device determines that the current audio parameter is different from the default audio parameter that the speaker is outputting audio
  • the audio playback device sends an adjustment instruction for adjusting the audio parameter to the speaker configured by the speaker, and the speaker selects the audio parameter of the speaker according to the adjustment instruction. Adjust to the current audio parameters determined.
  • step 130 need not be performed.
  • the audio playback device collects the current position information of the user, determines the current audio parameter of the audio to be output according to the current position information of the user, and sends an adjustment instruction to the speaker, so that the speaker will
  • the audio parameters of the user are adjusted to the determined current audio parameters, which can provide audio information with better sound quality according to the user's location information, improve the user's listening experience to the audio playback device, and improve the user experience.
  • FIG. 2A is a schematic flowchart of a method for adjusting audio outputted by a speaker according to the embodiment
  • FIG. 2B is an audio playback device configured with multiple speakers according to the embodiment.
  • the method for adjusting the output audio frequency of the speaker provided by this embodiment may include the following steps:
  • step 210 the location information of the user is obtained.
  • one or more radar sensors may be disposed on the television, and the current position information of the user is collected by the radar sensor, and the current position information may be coordinate information of the current position of the user; The information determines at least one parameter value in the distance and direction between the user and the television.
  • the radar sensor is a home electronic product with high measurement accuracy and can be used for indoor positioning.
  • the radar sensor utilizes the principle of electromagnetic wave, and can obtain the coordinate information of the location of the user according to the activity of the user within a certain range.
  • a camera can also be set on the television to collect the current location information of the user through the camera, and the current location information is the orientation information of the current location of the user.
  • the main chip of the television uses the camera to take a photo taken by the user to determine the orientation information of the user, for example, located directly in front of the television, in the front left or in the northeast.
  • the radar sensor or the camera does not have the logic processing capability, so it is necessary to configure a radar controller or camera for the data interaction between the radar sensor or the camera and the main chip of the television.
  • the radar sensor can also be integrated with a microcontroller on a module and mounted on a television to control the operation of the module.
  • step 220 according to the mapping relationship between the location information and the audio parameter, a query is performed in the preset audio parameter reference table to determine a target audio parameter corresponding to the location information.
  • an audio parameter reference table may be pre-stored in the database of the television system.
  • the audio parameter reference table includes mapping relationships between different location information and audio parameters.
  • the audio parameter reference table is used.
  • the current location information includes the distance and orientation information of the user currently relative to the television.
  • the 5.1-channel multi-speaker TV is equipped with a speaker 1, a speaker 2, a speaker 3, a speaker 4 and a speaker 5, and the frequency output of the test audio is 20HZ-20KHZ.
  • the TV usually sets the audio parameters with the user at a position directly in front of the TV (such as 3.5 meters in front of the TV), so that the time difference and amplitude difference between the sounds of the five speakers at that position. Both are ideal states that tend to zero.
  • the user when the user is located on the right side of the TV (ie, the side of the speaker 5), if each speaker outputs audio according to the default audio parameters, the user hears the sound output from the speaker 1 and the amplitude of the sound output from the speaker 5 is The difference is that the sound output from the speaker 5 that is closer to the user has a larger sound pressure, and the sound output from the speaker 1 that is farther from the user has a smaller sound pressure, and the user hears a time difference between the sounds of the two speakers. of.
  • the user when the user is on the right side of the TV (ie, the side of the speaker 5), the user hears that the amplitudes of the five sounds output by the five speakers are quite different, and the user hears the sound from the speaker.
  • the order of the sounds can be speaker 5, speaker 4, speaker 3, speaker 2 and speaker 1.
  • the order of sound amplitude from large to small is also the order.
  • the TV sets a piece of audio according to the audio parameters set by default, five
  • the reverberation of the sound emitted by the speakers to the human ear is very large, the clarity of the heard sound is low, and the stereoscopic effect of the heard sound is poor, and the main cause of these defects is the multiple speakers and the user. The distance between them is different.
  • the TV can collect the current position information of the user through the radar sensor or the camera.
  • the algorithm and the user's current position information can separately calculate the sound delay, the sound amplitude, and the orientation information of the speaker in the speaker at the current position of the audio output from each speaker, etc., according to each speaker in the position information.
  • the user's distance is used to calculate audio parameters such as corresponding sound delay and sound amplitude, and the orientation information of the corresponding speaker is determined according to the position information of the user relative to each sound in the position information.
  • the area around 20m*20m around the TV can be divided into 400 square blocks of 20*20 centered on the TV set.
  • the position information of each square block relative to the television set can be separately collected, and according to the preset algorithm and the position information of each square block, each can be calculated separately.
  • the audio output of each speaker is the audio parameter corresponding to the sound delay, the amplitude and the orientation information of the speaker at each square block, and the calculated audio parameters are in one-to-one correspondence with the position information of each square block to establish an audio parameter reference.
  • the table can establish a mapping relationship between the location information and the audio parameters, and obtain a better audio parameter corresponding to the user when the user is at different positions.
  • the audio parameter reference table may be preset in the television system, and the current location information of the user is obtained, and the current audio parameter corresponding to the current location information may be determined by calling and querying the audio parameter reference table. .
  • the audio parameter of the output audio may be adjusted according to the environment of the user.
  • the television can use the microphone on the TV remote controller to feedback the surrounding environment.
  • Parameters such as frequency response, and feedback to the main chip of the TV, to calculate the current degree of sound influence, such as the reflection of the environment, the degree of absorption of the sound, etc., so that the TV map according to the preset audio and the sound of the surrounding environment Relationship adjusts the audio parameters of the speaker.
  • step 230 according to the target audio parameter, the main chip of the television sends an adjustment instruction for adjusting the audio parameter to the main microphone of the speaker, so that the speaker adjusts the audio parameter of the speaker to the target audio parameter according to the adjustment instruction, and according to the target Audio parameters output audio.
  • the main chip of the television after determining the current audio parameter corresponding to the current location information of the user, the main chip of the television sends an adjustment instruction to the main chip of the speaker according to the determined current audio parameter, indicating that the audio parameter of each speaker is the current audio parameter, that is, the target audio parameter. .
  • the television before controlling the speaker to output the audio information, the television collects the current position information of the user through the radar sensor or the camera, and queries the audio parameter reference table according to the current position information of the user to determine the current audio parameter of the audio to be output.
  • the main chip of the television sends an adjustment instruction to the main chip of the speaker, so that the audio parameter of the speaker is the determined current audio parameter, and the audio information with better sound quality can be provided according to the position information of the user, and the user can improve the audio playing device.
  • the listening experience enhances the user experience.
  • the device for adjusting the output audio of the speaker provided by the embodiment belongs to the same invention concept as the method for adjusting the output audio of the speaker. For details not described in detail in the embodiment of the device, please refer to the embodiment of the above method. .
  • FIG. 3 is a schematic structural diagram of an apparatus for adjusting audio outputted by a speaker according to the embodiment.
  • the apparatus 300 for adjusting audio output of a speaker provided by this embodiment may include the following contents:
  • the location information obtaining module 310 is configured to acquire location information of the user.
  • the location information obtaining module 310 is configured to:
  • the location information obtaining module 310 is further configured to:
  • the current location information of the user relative to the audio playback device is collected, and the current location information includes at least one of distance, direction, orientation, and coordinate information.
  • the audio parameter determination module 320 is configured to determine a target audio parameter corresponding to the location information.
  • the audio parameter determination module 320 is configured to:
  • the audio parameters include at least one of amplitude, sound delay, sound pressure, and orientation of the speaker.
  • the adjustment instruction sending module 330 is configured to send an adjustment instruction for adjusting the audio parameter to the speaker according to the target audio parameter, so that the speaker adjusts the audio parameter of the speaker to the target audio parameter according to the adjustment instruction.
  • the adjustment instruction sending module 330 is configured on the main chip of the television, and is configured to:
  • An adjustment command for adjusting the audio parameters is issued to the main chip of the speaker.
  • the audio playback device collects the current location information of the user, determines the current audio parameter of the audio to be output according to the current location information of the user, and sends an adjustment instruction to the speaker, so that the speaker
  • the audio parameter is the determined current audio parameter, which can provide audio information with better sound quality effect according to the user's location information, improve the user's listening experience to the audio playback device, and improve the user experience.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing any of the above methods.
  • the present embodiment further provides an audio playback device, which may also be provided with any device for adjusting the audio output by the speaker provided by the above embodiments, and may also be provided with the radar sensor and the camera provided in the above embodiments. at least one.
  • the audio playback device includes: a processor 410 and a memory 420. Communication Interface 430 and bus 440.
  • the processor 410 may include a main chip of the audio playback device.
  • the processor 410, the memory 420, and the communication interface 430 can complete communication with each other through the bus 440.
  • Communication interface 430 can be used for information transmission.
  • Processor 410 can invoke logic instructions in memory 420 to perform any of the methods of the above-described embodiments.
  • the memory 420 may include a storage program area and a storage data area, and the storage program area may store an operating system and an application required for at least one function.
  • the storage data area can store data and the like created according to the use of the audio playback device.
  • the memory may include, for example, a volatile memory of a random access memory, and may also include a non-volatile memory. For example, at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the logic instructions in memory 420 described above can be implemented in the form of software functional units and sold or used as separate products, the logic instructions can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure may be embodied in the form of a computer software product, which may be stored in a storage medium, and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) All or part of the steps of the method described in this embodiment are performed.
  • the storage medium may be a non-transitory storage medium or a transitory storage medium.
  • the non-transitory storage medium may include: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
  • All or part of the processes provided in the above embodiments may be completed by a computer program indicating related hardware, and the program may be stored in a non-transitory computer readable storage medium, and when the program is executed, may include The flow of an embodiment of the above method.
  • the method and device for adjusting the audio output of the speaker provided by the present disclosure can provide audio information with better sound quality effect according to the position information of the user, improve the user's listening experience to the audio playing device, and improve the user experience.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)

Abstract

L'invention concerne un procédé et un appareil d'ajustement d'une sortie audio par un haut-parleur. Le procédé consiste à : acquérir des informations de position relatives à un utilisateur ; déterminer un paramètre audio cible correspondant aux informations de position ; et envoyer, à un haut-parleur, une instruction d'ajustement pour ajuster un paramètre audio d'après le paramètre audio cible, le haut-parleur ajustant alors le paramètre audio du haut-parleur au paramètre audio cible d'après l'instruction de réglage et délivrant en sortie le contenu audio d'après le paramètre audio cible.
PCT/CN2018/073828 2017-02-16 2018-01-23 Procédé et appareil d'ajustement d'une sortie audio par un haut-parleur Ceased WO2018149275A1 (fr)

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CN201710083927.X 2017-02-16
CN201710083927.XA CN106851469A (zh) 2017-02-16 2017-02-16 一种调整音箱输出音频的方法和装置

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CN105549947A (zh) * 2015-12-21 2016-05-04 联想(北京)有限公司 一种音频设备的控制方法及电子设备
CN106851469A (zh) * 2017-02-16 2017-06-13 深圳创维－Rgb电子有限公司 一种调整音箱输出音频的方法和装置

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