CN202773065U - Sound box with karaoke singing function - Google Patents
Sound box with karaoke singing function Download PDFInfo
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- CN202773065U CN202773065U CN 201220366564 CN201220366564U CN202773065U CN 202773065 U CN202773065 U CN 202773065U CN 201220366564 CN201220366564 CN 201220366564 CN 201220366564 U CN201220366564 U CN 201220366564U CN 202773065 U CN202773065 U CN 202773065U
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Abstract
The utility model relates to a sound box with a karaoke singing function. One end of the sound box is connected with a microphone, and the other end is connected with a television set; the sound box comprises a power amplifier module and a horn which are mutually connected; the sound box also comprises a microphone input module and a digital audio frequency processing module; the input terminal of the microphone input module is connected with the microphone, and the output terminal is connected with the digital audio frequency processing module; and the digital audio frequency processing module is respectively connected with the television set and the power amplifier module. Compared to the prior art, according to the utility model, the sound box is advantageous in that the sound effects of the television set are lifted, the karaoke singing function is provided, etc.
Description
Technical field
The utility model relates to a kind of loudspeaker box device, especially relates to a kind of audio amplifier with the karaoke function.
Background technology
Because panel TV is done thinner and thinner, most panel TVs have all omitted the simulation microphone input port; Although the USB mouth can in most cases can produce time-delay as the microphone input, is not suitable for Karaoke; Sing OK a karaoke club ok and usually need special power amplifying device.
Simultaneously because the loudspeaker of panel TV are usually very little, and acoustics is relatively poor, so a lot of panel TV user can select to buy the supporting audio amplifier of panel TV to promote acoustics.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of acoustic audio amplifier with the karaoke function of television set that promotes for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of audio amplifier with the karaoke function, this audio amplifier one end is connected with microphone, the other end is connected with television set, described audio amplifier comprises power amplifier module and the loudspeaker that are connected, described audio amplifier also comprises microphone input module and Digital audio process module, the input of described microphone input module is connected with microphone, and output is connected with Digital audio process module, and described Digital audio process module is connecting TV machine and power amplifier module respectively.
Described microphone input module comprises the first operational amplifier and analog to digital converter, and described the first operational amplifier connects respectively microphone and analog to digital converter, and described analog to digital converter is connected with Digital audio process module.
Described Digital audio process module is provided with input port, output port and USB digital communications ports,
Described input port connects microphone input module, described output port wired power amplifier module, described USB digital communications ports connecting TV machine.
Described audio amplifier also comprises the audio mixing module, and the input of described audio mixing module connects respectively Digital audio process module and television set, the output wired power amplifier module.
Described audio mixing module comprises digital to analog converter and the second operational amplifier, the input of described digital to analog converter is connected with Digital audio process module, described the second operational amplifier input is connected with the output of digital to analog converter and the audio output of television set respectively, and described the second operational amplifier output terminal is connected with power amplifier module.
Compared with prior art, the utility model common audio amplifier that OK a karaoke club ok device and television set is supporting combines, and becomes a kind of audio amplifier of singing function with OK a karaoke club ok, has so both promoted the acoustics of television set, has again OK a karaoke club ok and sings function.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment 1
As shown in Figure 1, a kind of audio amplifier with the karaoke function, this audio amplifier one end is connected with microphone 1, the other end is connected with television set 5, described audio amplifier comprises power amplifier module 6 and the loudspeaker 7 that are connected, and described audio amplifier also comprises microphone input module and Digital audio process module 4, and the input of described microphone input module is connected with microphone 1, output is connected with Digital audio process module 4, and described Digital audio process module 4 is connecting TV machine 5 and power amplifier module 6 respectively.
Described microphone input module comprises the first operational amplifier 2 and analog to digital converter 3, and described the first operational amplifier 2 connects respectively microphone 1 and analog to digital converter 3, and described analog to digital converter 3 is connected with Digital audio process module 4.
Described Digital audio process module is provided with input port, output port and USB digital communications ports, described input port connects the microphone input module, described output port wired power amplifier module 6, described USB digital communications ports use USB mass storage agreement connecting TV machine 5.
Above-mentioned audio amplifier with the karaoke function and television set 5 is connected with microphone be connected after, television set 5 is play OK a karaoke club ok accompaniment musics, shows captions; The sound that the singer sings enters microphone 1, and microphone signal amplifies through the first operational amplifier 2, is converted to digital signal by analog to digital converter 3, then enters Digital audio process module 4; Digital audio process module 4 adds reverberation effect for the sound that enters from microphone, and detection time, pitch, volume; Added the voice output of reverberation to power amplifier module 6, the mixed signal after power amplifier module 6 will amplify outputs to loudspeaker 7, thereby finishes basic OK a karaoke club ok process.
When television set 5 interior prepackages " K visitor " OK a karaoke club ok software, can realize senior OK a karaoke club ok function." K visitor " OK a karaoke club ok softwares in the television set 5 can be play special Kara OK songs, and song can leave USB flash disk, network etc. in to be located, and these songs the insides are with information such as the pitch of song, expressions; The singing time that Digital audio process module 4 will detect, frequency, information volume are sent to television set 5 by USB interface, audio signal and singing information that television set 5 is sent here according to the pitch in the song, expression information and Digital audio process module 4 compare, judge singer's level with this, and give scoring, finish senior OK a karaoke club ok function.
Embodiment 2
The present embodiment difference from Example 1 is, the present embodiment also comprises the audio mixing module with the audio amplifier of karaoke function, as shown in Figure 2, the input of described audio mixing module connects respectively Digital audio process module 4 and television set 5, output wired power amplifier module.Described audio mixing module comprises digital to analog converter 8 and the second operational amplifier 9, described digital to analog converter 8 is connected with Digital audio process module 4, described the second operational amplifier 9 inputs are connected with the output of digital to analog converter 8 and the audio output of television set 5 respectively, and the output of described the second operational amplifier 9 is connected with power amplifier module 6.
The present embodiment with the operation principle of the audio amplifier of karaoke function is: the OK a karaoke club ok accompaniment music that television set 5 is play shows captions; The sound that the singer sings enters microphone 1, and microphone signal amplifies through the first operational amplifier 2, is converted to digital signal by analog to digital converter 3, then enters Digital audio process module 4; Digital audio process module 4 adds reverberation effect for the sound that microphone enters, and detection time, pitch, volume; The sound that has added reverberation is converted to analog signal output to the second operational amplifier 9 through digital to analog converter 8; The OK a karaoke club ok music that television set 5 is play also outputs to the second operational amplifier 9, and with the sound mix that has added reverberation, then outputed to power amplifier module 6 through the second operational amplifier 9, the mixed signal after power amplifier module 6 will amplify outputs to loudspeaker 7, thereby finishes basic OK a karaoke club ok process.
Claims (5)
1. audio amplifier with the karaoke function, this audio amplifier one end is connected with microphone, the other end is connected with television set, described audio amplifier comprises power amplifier module and the loudspeaker that are connected, it is characterized in that, described audio amplifier also comprises microphone input module and Digital audio process module, and the input of described microphone input module is connected with microphone, output is connected with Digital audio process module, and described Digital audio process module is connecting TV machine and power amplifier module respectively.
2. a kind of audio amplifier with the karaoke function according to claim 1, it is characterized in that, described microphone input module comprises the first operational amplifier and analog to digital converter, described the first operational amplifier connects respectively microphone and analog to digital converter, and described analog to digital converter is connected with Digital audio process module.
3. a kind of audio amplifier with the karaoke function according to claim 1, it is characterized in that, described Digital audio process module is provided with input port, output port and USB digital communications ports, described input port connects the microphone input module, described output port wired power amplifier module, described USB digital communications ports connecting TV machine.
4. a kind of audio amplifier with the karaoke function according to claim 1, it is characterized in that, described audio amplifier also comprises the audio mixing module, and the input of described audio mixing module connects respectively Digital audio process module and television set, the output wired power amplifier module.
5. a kind of audio amplifier with the karaoke function according to claim 4, it is characterized in that, described audio mixing module comprises digital to analog converter and the second operational amplifier, the input of described digital to analog converter is connected with Digital audio process module, described the second operational amplifier input is connected with the output of digital to analog converter and the audio output of television set respectively, and described the second operational amplifier output terminal is connected with power amplifier module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366564 CN202773065U (en) | 2012-07-26 | 2012-07-26 | Sound box with karaoke singing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366564 CN202773065U (en) | 2012-07-26 | 2012-07-26 | Sound box with karaoke singing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202773065U true CN202773065U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220366564 Expired - Fee Related CN202773065U (en) | 2012-07-26 | 2012-07-26 | Sound box with karaoke singing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202773065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887524A (en) * | 2019-01-17 | 2019-06-14 | 深圳壹账通智能科技有限公司 | A kind of singing marking method, device, computer equipment and storage medium |
| CN109905790A (en) * | 2019-04-11 | 2019-06-18 | 上海渐华科技发展有限公司 | A kind of portable device for singing function with KARAOKE |
-
2012
- 2012-07-26 CN CN 201220366564 patent/CN202773065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887524A (en) * | 2019-01-17 | 2019-06-14 | 深圳壹账通智能科技有限公司 | A kind of singing marking method, device, computer equipment and storage medium |
| CN109905790A (en) * | 2019-04-11 | 2019-06-18 | 上海渐华科技发展有限公司 | A kind of portable device for singing function with KARAOKE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20210726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |