CN202771796U - Portable Accompaniment Device - Google Patents

Abstract

A portable vocal accompaniment device comprises a processing unit coupled with a human voice input unit and a background voice conversion unit, a sound effect conversion unit coupled with the processing unit, an overlapping unit coupled with the sound effect conversion unit and the human voice input unit, and a playback unit coupled with the overlapping unit, so as to provide the portable vocal accompaniment device which is convenient to build, plug-and-play, free of setting and low in cost.

Description

Portable Accompaniment Device

technical field

The utility model relates to a singing accompaniment device, in particular to a portable accompaniment singing device which can be plugged and played without setting.

Background technique

In recent years, the volume of accompaniment devices tends to become smaller and smaller. However, even so, the accompaniment device still needs to be limited by time or space to be placed in a fixed place (such as a living room at home, or an indoor living room), and only by complicated sound source connection and complicated settings can singing be achieved. the goal of. In addition, the accompaniment music of the accompaniment device needs to purchase additional corresponding accompaniment data sheets (such as DVD, VCD, cassette, etc.), even if it is built in the accompaniment device, an additional fee is required to purchase the accompaniment music to store in the large-capacity built-in in the memory device. If the built-in memory capacity is not enough to cope with a large amount of accompaniment music, it is necessary to delete the older accompaniment music to store new accompaniment music, so the above is really troublesome, and greatly reduces the willingness of modern people to entertain in this respect.

Because of this, and in the spirit of active creation, the creators want to create a convenient and low-cost portable accompaniment device, so that users can only use external common playback devices (such as mobile phone music) playback device, or computer music playback device), and select the song to be sung in the playback device to be sent to the new portable accompaniment device for further processing, so as to achieve plug-and-play, setting-free accompaniment Effect. If the external microphone is connected again, the purpose of singing can be achieved, and the utility model is finally completed through several research experiments.

Utility model content

The purpose of the utility model is to provide a portable accompaniment device to improve the defects in the known technology.

In order to achieve the above object, the portable accompaniment device provided by the utility model comprises:

a human voice input unit generating a human voice analog signal;

A background sound converting unit for generating a background sound digital signal;

A processing unit, coupled to the human voice input unit and the background sound conversion unit, and has a human voice processing element for generating a human voice digital signal according to the human voice analog signal, and a human voice processing element based on the human voice digital signal and the background sound A background sound processing element for generating a mixed digital signal from a digital signal, and the vocal processing element is coupled to the background sound processing element;

An audio conversion unit for generating a mixed analog signal according to the mixed digital signal, coupled to the background sound processing element of the processing unit;

a superposition unit for superimposing the human voice analog signal and the mixing analog signal to generate a superimposed signal, respectively coupled to the sound conversion unit and the human voice input unit; and

A playback unit for converting the superimposed signal into audio is coupled to the superimposed unit.

Described portable accompaniment singing device, wherein, this playback unit has a speaker hole that produces the audio format of the speaker, an earphone hole that produces the audio format of the earphone and a playback that selects the audio format of the speaker or the audio format of the earphone The selection element is coupled to the speaker hole and the earphone hole.

In the portable accompaniment device, a speaker is externally connected to the speaker hole.

In the portable accompaniment device, an earphone is connected to the earphone hole.

The portable accompaniment device includes a recording hole for generating a recording audio format according to the superposition signal, and the recording hole is coupled to the superposition unit.

In the portable accompaniment device, a recording device is externally connected to the recording hole.

The portable accompaniment device includes a data setting unit storing a default value, and has a base for supplying power and modifying the default value.

The portable accompaniment device, wherein the base is a Universal Serial Bus (Universal Serial Bus, USB).

The portable accompaniment device, wherein, the background sound conversion unit is externally connected with a background music playing device that provides background music.

In the portable accompaniment device, the human voice input unit is externally connected with a microphone.

As can be seen from the above, the portable accompaniment device of the present utility model is connected to a generally common playback device, and the song to be sung is selected in the playback device and transmitted to the portable accompaniment device, without the need for a built-in large-capacity memory. Store the accompaniment songs, and update the latest new accompaniment songs from the playback device at any time. In addition, the utility model can also be connected with a processing device (such as a computer device) through the USB connector to supply power to the portable accompaniment device of the present invention, and the default value of the portable accompaniment device can be changed in the processing device. And then achieve the purpose and effect of convenient construction, plug and play, free of setting, and low-cost accompaniment.

Description of drawings

Fig. 1 is a structure diagram of a portable accompaniment device according to the first preferred embodiment of the present invention.

Fig. 2 is a structural diagram of the sound playback unit of the first preferred embodiment of the present invention.

Fig. 3 is a schematic diagram of the portable accompaniment device of the first preferred embodiment of the present invention.

Fig. 4 is a schematic diagram of a portable accompaniment device according to a second preferred embodiment of the present invention.

Explanation of main component symbols in the attached drawings:

200 portable accompaniment device; 210 data setting unit; 220 human voice input unit; 230 background sound conversion unit; 240 processing unit; ; 270 playback unit; 272 playback selection components; 274 speaker hole; 276 headphone hole; 280 recording hole; 400 portable accompaniment device; 410 data setting unit; 470 playback unit; Ms background sound signal; Pa human voice analog signal; Bd background sound digital signal; Pd human voice digital signal; Md mixing digital signal; Ma mixing analog signal; Add superposition signal.

Detailed ways

In view of the known technology, the general accompaniment device must be placed in a fixed place, and does not support the plug-and-play function, all need to be set in advance before use, and the problem of obtaining the restriction of accompaniment music. The utility model stores the music playback default values (such as song order mode setting, ascending and descending tone setting, previous song order record, etc.) of all accompaniment devices through a microprocessor with a built-in buffer. And the built-in microprocessor has a universal serial bus (Universal Serial Bus, USB) to provide the power required by the accompaniment device, and the default value of the music playback of the accompaniment device can be modified through a USB external processor (such as a computer device).

It is worth noting that, for the accompaniment music part, the utility model is an external commonly used playback device, and the song to be sung is selected in the external playback device, in addition to avoiding the need for a built-in large-capacity memory to store the accompaniment songs , and the latest new song accompaniment can also be updated at any time by the playback device. Furthermore, the goals of convenient construction, plug and play, no setting, and low cost are achieved.

And the utility model is that the accompaniment device is externally connected with an earphone device, which allows users to sing and listen to themselves, avoiding the use of the amplifying speaker device and hindering other people.

The utility model provides a portable accompaniment device. It includes a human voice input unit for generating a human voice analog signal, a background sound conversion unit for generating a background sound digital signal, a processing unit, a sound effect conversion unit, a superposition unit and a sound playback unit. Wherein, the processing unit is coupled to the human voice input unit and the background sound conversion unit, and the processing unit has a human voice processing element which generates a human voice digital signal according to the human voice analog signal, and a human voice processing element which generates a human voice digital signal according to the human voice digital signal and the background sound digital signal. A background sound processing element for mixing digital signals. The vocal processing element is coupled to the background sound processing element.

The sound conversion unit is coupled to the background sound processing element of the processing unit to generate a mixed analog signal according to the mixed digital signal. The superposition unit is respectively coupled to the audio conversion unit and the human voice input unit to superimpose the human voice analog signal and the mixing analog signal to generate a superimposed signal. The sound playback unit is coupled to the superimposition unit to convert the superposition signal into audio, and emit sound through an external playback device.

In addition, the sound playback unit of the present invention can have a speaker hole for producing speaker audio format, an earphone hole for producing earphone audio format, and a playback selection element for selecting the speaker audio format or the earphone audio format to emit audio, and the playback selection element Coupling speaker jack and headphone jack. Wherein, the speaker hole can be connected with a speaker, and the earphone hole can be connected with an earphone. When the playback selection component detects that there is an external speaker in the speaker hole, the playback selection component converts the superimposed signal into a speaker audio format, and emits sound from the speaker. Similarly, when the playback selection element detects that there is an external earphone connected to the earphone hole, the playback selection element then converts the superimposed signal into a speaker audio format, and emits sound from the earphone.

Furthermore, the present invention may further include a recording hole, and the recording hole may be coupled to the superposition unit to generate a recording audio format according to the superposition signal. The recording hole can be connected with an external recording device to store the superimposed signal into the recording device to achieve the recording effect.

Furthermore, the present invention may further include a data setting unit storing a default value, and the data setting unit may have a base for supplying power and modifying the default value. The base can be a Universal Serial Bus (USB), so as to provide power through an external processing device or modify the default value of the portable accompaniment device. And this default value can be song order mode setting, ups and downs setting, last song request record, etc.

In addition, the background sound converting unit of the present invention can be externally connected with a background music playing device for providing background music. For example, the music playing device of the mobile phone or the computer, and the song to be sung in the background music playing device can avoid the problem that the portable accompaniment device of the present invention needs a built-in huge capacity memory to store the accompaniment song, and more The latest new song can be updated at any time by the background music playing device as an accompaniment. And a microphone can be externally connected to the vocal input unit to achieve the function of singing in the portable accompaniment device of the present utility model.

The above summary and the following detailed description are all exemplary, and are for further illustrating the patent scope of the present utility model. Other purposes and advantages of the present utility model will be described in the subsequent description and accompanying drawings.

First, please refer to FIG. 1 , which is a structural diagram of a portable accompaniment device according to a first preferred embodiment of the present invention. As shown in Figure 1, the portable accompaniment device 200 of the present utility model comprises a data setting unit 210, a human voice input unit 220, a background sound conversion unit 230, a processing unit 240, a sound effect conversion unit 250, a An adding unit 260 and a sound playing unit 270 . Wherein, the human voice input unit 220 receives a human voice signal Ps, and generates a human voice analog signal Pa to the processing unit 240 through denoising and signal amplification processing on the human voice signal Ps. The background sound conversion unit 230 is to receive a background sound signal Ms, so as to convert the received analog background sound signal Ms from an analog signal to a digital signal, that is, perform analog/digital conversion on the background sound signal Ms to generate a background sound digital signal. The signal Bd is sent to the processing unit 240 . In this embodiment, the background sound converting unit 230 is externally connected to a background music playing device to transmit the background audio number Ms to the background sound converting unit 230 to provide the background music required by the portable accompaniment device. In addition, the human voice input unit 220 is externally connected with a microphone to provide the human voice signal Ps to the human voice input unit 220 to provide the human voice required by the portable accompaniment device.

The data setting unit 210 is used to store a default value to provide various settings required by the portable singing accompaniment device, such as song order mode setting, up and down pitch setting, previous song order record and other settings. In addition, the data setting unit 210 has a base, and can provide power to drive the portable accompaniment device through an external processing device (such as a computer device), and can modify the default value of the portable accompaniment device in the processing device. In this embodiment, the base is a Universal Serial Bus (USB).

The processing unit 240 is coupled to the vocal input unit 220 and the background sound conversion unit 230 . The processing unit 240 has a vocal processing element 242 and a background sound processing element 244 . Wherein, the human voice processing unit 242 generates a human voice digital signal Pd according to the human voice analog signal Pa. The background sound processing unit 244 is coupled to the human voice processing unit 242 to generate a mixing digital signal Md according to the human voice digital signal Pd and the background sound digital signal Bd. It means that the human voice digital signal Pd is mixed with the background sound digital signal Bd, and digitally adjusted to produce various background sound effects, such as echo effects (Echo). In this embodiment, the human voice processing component 242 is an analog/digital converter for analog/digital conversion of the human voice analog signal Pa into a human voice digital signal Pd.

The sound conversion unit 250 is coupled to the background sound processing element 244 of the processing unit 240 to generate a mixed analog signal Ma to the superposition unit 260 according to the mixed digital signal Md. The adding unit 260 is respectively coupled to the sound conversion unit 250 and the human voice input unit 220 to add the human voice analog signal Pa and the mixing analog signal Ma to generate an added signal Add. It means mixing the human voice analog signal Pa and the mixing analog signal Ma with background sound effects, so as to achieve the effect of the accompaniment device.

The playback unit 270 is coupled to the adding unit 260 to convert the adding signal Add into audio. Please also refer to FIG. 2 , which is a structure diagram of the sound playback unit of the first preferred embodiment of the present invention. As shown in FIG. 2 , the sound playback unit 270 has a speaker hole 274 , an earphone hole 276 , and a sound playback selection element 272 . The speaker hole 274 processes the superimposed signal Add to generate the superimposed signal Add in speaker audio format. The headphone jack 276 processes the superimposed signal Add to generate the superimposed signal Add in the headphone audio format. The playback selection element 272 is coupled to the speaker hole 274 and the earphone hole 276 to select the superimposed signal Add to emit audio in the speaker audio format or the earphone audio format. In this embodiment, a speaker can be connected to the speaker hole 274 to receive the superposition signal Add conforming to the audio format of the speaker to emit audio. The earphone hole 276 can be connected with an earphone to receive the superimposed signal Add conforming to the audio format of the earphone to emit audio. Therefore, releasing the audio through the earphone will allow the singer to sing and listen to himself, avoiding using the loudspeaker device to amplify the sound and hindering other people.

In addition, the present invention also has a recording hole 280 coupled to the adding unit 260, so as to generate the recording hole 280 in audio format according to the adding signal Add. In this embodiment, the recording hole 280 can be externally connected with a recording device, so as to receive the superimposition signal Add conforming to the recording audio format and record it in the recording device.

Next, please also refer to FIG. 3 , which is a schematic diagram of a portable accompaniment device according to a first preferred embodiment of the present invention. In the following, two singers will use the portable accompaniment device 200 of the present utility model to sing for illustration.

First, the singer connects the data setting unit 210 to an external computer device to provide power for the portable accompaniment device 200, and at the same time automatically set the default value of the portable accompaniment device 200, so that the accompaniment device does not need additional work by people set up.

Furthermore, the singer connects the background sound conversion unit 230 to the computer device to select the accompaniment music to be sung in the computer device, and loads the background audio number Ms representing the accompaniment music to the portable accompaniment device through the background sound conversion unit 230 200 for further accompaniment music special effects, such as echo special effects, or changes in pitch.

Next, the singer connects the vocal input unit 220 with two microphones. The two singers sing with their own microphones in hand, and their respective vocal input units 220 load the vocal signal Ps representing the singer's singing voice to the portable accompaniment device 200 for further processing.

Finally, the singer connects the playback unit 270 to the speaker, and connects the recording hole 280 to the computer device. Make the singer's singing voice and accompanying music pass through the portable accompaniment device 200, be played out by the loudspeaker, and store and record the corresponding music files in the computer device. But you can take it out and play it when you need music files.

Fig. 4 is a schematic diagram of a portable accompaniment device according to a second preferred embodiment of the present invention. In this embodiment, as shown in Figure 4, the link relationship and operation mode of the portable accompaniment device 400 are the same as the portable accompaniment device 200 and the sound playback unit 270 described in Figures 1 and 2, and have been It has been described above, so it will not be repeated here. It is worth noting that the data setting unit 410 in FIG. 4 is changed to be connected to general household electricity through the power converter 490 to provide power for the portable accompaniment device 400 of this embodiment. And the playback unit 470 will be changed to connect the earphones, so that the singer can sing and listen to himself, and there will be no problem of hindering other people by playing the singer's singing voice and accompanying music through the loudspeaker device.

The above-mentioned embodiments are only examples for convenience of description, and the scope of rights claimed by the utility model should be based on the scope of claims in the application, rather than limited to the above-mentioned embodiments.

Claims (10)

1. A portable accompaniment device, characterized in that, comprising: a human voice input unit generating a human voice analog signal; A background sound converting unit for generating a background sound digital signal; A processing unit, coupled to the human voice input unit and the background sound conversion unit, and has a human voice processing element for generating a human voice digital signal according to the human voice analog signal, and a human voice processing element based on the human voice digital signal and the background sound A background sound processing element for generating a mixed digital signal from a digital signal, and the vocal processing element is coupled to the background sound processing element; An audio conversion unit for generating a mixed analog signal according to the mixed digital signal, coupled to the background sound processing element of the processing unit; a superposition unit for superimposing the human voice analog signal and the mixing analog signal to generate a superimposed signal, respectively coupled to the sound conversion unit and the human voice input unit; and A playback unit for converting the superimposed signal into audio is coupled to the superimposed unit. 2. The portable accompaniment device as claimed in claim 1, wherein the sound playback unit has a speaker hole for producing a speaker audio format, an earphone hole for producing an earphone audio format, and an option for selecting the speaker audio format or the earphone audio format. A sound playback selection element for emitting audio in a format, the sound playback selection element is coupled to the speaker hole and the earphone hole. 3. The portable accompaniment device as claimed in claim 2, wherein a speaker is externally connected to the speaker hole. 4. The portable singing accompaniment device as claimed in claim 2, wherein an earphone is externally connected to the earphone hole. 5. The portable accompaniment device as claimed in claim 1, comprising a recording hole for generating a recording audio format according to the superposition signal, the recording hole is coupled to the superposition unit. 6. The portable accompaniment device as claimed in claim 5, wherein a recording device is externally connected to the recording hole. 7. The portable accompaniment device as claimed in claim 1, comprising a data setting unit storing a default value, and having a base for supplying power and modifying the default value. 8. The portable accompaniment device as claimed in claim 7, wherein the base is a Universal Serial Bus. 9. The portable accompaniment device as claimed in claim 1, wherein, the background sound conversion unit is externally connected with a background music playing device for providing background music. 10. The portable accompaniment device as claimed in claim 1, wherein the vocal input unit is externally connected with a microphone.

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