CN101071623A - Television karaoke system - Google Patents
Television karaoke system Download PDFInfo
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- CN101071623A CN101071623A CN 200710074090 CN200710074090A CN101071623A CN 101071623 A CN101071623 A CN 101071623A CN 200710074090 CN200710074090 CN 200710074090 CN 200710074090 A CN200710074090 A CN 200710074090A CN 101071623 A CN101071623 A CN 101071623A
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Abstract
The invention provides a public television karaoke systems including MIC signal mixed with the microphone signal mixer, the mixer and microphone signals connect the microphone volume control signal controller, connected with the microphone volume controller handling the reverberation circuit, audio mixing amplifiers, sequential mixed audio amplifier connected television volume audio power amplifier controller and TV, as well as through the A / D converter with the microphone signal mixer connected audio and video processors; including audio and video processor various useful to external hard drives and flash memory USB 2.0 high-speed OTG controller, digital audio output interface, video encoding output interface, receive remote control orders issued by the operation of the various infrared receiver mouth; PC through the USB interface and other USB storage devices for data transmission, television karaoke rich source programs, more convenient and more practical.
Description
[technical field]
The present invention relates to be applied to the equipment of the karaoke of family, particularly a kind of television karaoke system.
[background technology]
Karaoke has become an indispensable activity of home entertaining as a kind of recreation, and audio-visual equipment such as AV power amplifier, VCD, DVD even televisor have all possessed Kara OK function.At present, the application of Karaoke on televisor is and adds MIC socket and reverberation circuit simply on televisor, and consequent performance sound is with the power amplifier that send from the accompaniment music process combination circuit of televisor in the televisor.The televisor accompaniment music of this band Karaoke often needs to be provided by external other equipment such as VCD, DVD etc., and equipment such as present VCD, DVD often itself also are with Kara OK function, repeat, waste so cause on the function; And its accompaniment program source need be bought the music video disc and supply with uneconomical practicality; In addition, because television is because limiting factor such as space, power that its sound amplifies and quality are difficult to the singing effect that reaches desirable; And along with the development of computer and network technologies with popularize, making people also more get used to the use of network multimedia resource, the equipment that has USB interface and other new types of data interfaces is used by increasing people, and traditional fewer and feweri using of some equipment.So existing televisor Kara OK function has been difficult to satisfy the requirement of people's this respect.
[summary of the invention]
For addressing the above problem, fundamental purpose of the present invention is to provide a kind of program source abundant and practical television karaoke system.
For achieving the above object, the technical scheme of this creation is: a kind of television karaoke system, comprise MIC signal from microphone, with the MIC signal be blended directly in together microphone signal mixer, the microphone fader of the control signal that is connected with the microphone signal mixer, the reverberation treatment circuit that is connected with the microphone fader, audio mix amplifier, the television sound volume sound effect control device and the TV power amplifier that connect the audio mix amplifier in turn and the audio video processor that is connected with the microphone signal mixer by A/D converter; The output of described microphone signal mixer divides two-way, and the A/D converter of leading up to enters audio video processor, and another road enters the microphone fader; Described audio video processor includes USB 2.0 high speed otg controllers in order to external various harddisk memories and FLASH, DAB output interface, video coding output interface, receive the infrared receiving port of the various operational orders that telepilot sends.
Compared to prior art, television karaoke system of the present invention can link to each other by USB interface PC and other USB memory device and carry out data transfer, has enriched the television karaoke program source, and more practical more convenient.
[description of drawings]
Fig. 1 is the functional-block diagram of television karaoke system of the present invention.
[embodiment]
Please refer to shown in Figure 1ly, a kind of television karaoke system of the present invention includes two-way MIC signal, two-way MIC signal is blended directly in together microphone signal mixer, the audio video processor that is connected with the microphone signal mixer by A/D converter, be connected to the infrared receiving module of audio video processor, be connected with the microphone signal mixer and receive microphone fader from the control signal of audio video processor, the reverberation treatment circuit that is connected with the microphone fader, the audio mix amplifier, and the television sound volume sound effect control device and the TV power amplifier that connect the audio mix amplifier in turn.
Wherein, described two-way MIC signal obtains by the MIC socket that is installed on the televisor, behind hybrid circuit and volume control circuit, delivers to the reverberation treatment circuit, to realize that people's performance sound is postponed control, echogenicity effect.The reverberation treatment circuit has the FEEDBACK CONTROL path, and suitable feedback quantity is set, and can obtain suitable reverberation effect.
The built-in 32-BIT CPU of described audio video processor can handle multiple instructions such as arithmetical operation, Image Information Processing and bus interface, to accelerate the processing speed of audio frequency and video; The multiple bus interface of this audio video processor band comprises USB 2.0 high speed otg controllers, with external various harddisk memories, FLASH etc.; The DAB output interface, the coding of compatible various forms; Various video coding output interfaces can adapt to the output of NTSC/PAL 1080P high definition; Infrared receiving port receives the various operational orders that telepilot sends.Wherein, utilize the USB 2.0 high speed otg controllers of described digital audio/video processor, can expand a plurality of USB interface, be used for external units such as external PC, printer, and the storer that connects various band USB interface.
The original corresponding module of described infrared receiving module and televisor is shared, after switching to the Karaoke state, the various command of sending from the TV remote controller respective keys just can enter from the infrared interface of digital audio/video process chip, to produce various control commands, produce switch command simultaneously, control its power supply.
During application, singing sound is to pick up from microphone, obtains by two MIC sockets that are installed on the televisor, and these two sockets all have squelch switch, when two-way MIC socket is not inserted MIC, with the MIC signal ground, to play the noise elimination effect.
The two-way MIC signal of input is blended directly in together in microphone signal mixer place, and the output of microphone signal mixer divides two-way, and the A/D converter of leading up to enters audio video processor, makes some auxiliary process in audio video processor; Another road enters the microphone fader, and the control signal of microphone fader is from audio video processor, and the volume of microphone is regulated.
People's acoustical signal by the microphone fader is divided two-way, and one the road through to the audio mix amplifier; Another road then needs to carry out reverberation and handles.The reverberation treatment circuit mainly is that the signal of input is done to postpone to handle; The input end of the signal back reverberation treatment circuit after the reverberation feedback processor will postpone, be input to again in the reverberation treatment circuit after signal mixer mixes with original input signal, so be input to the effect that the signal of reverberant sound amount controller has repeatedly echo at last.To reach the purpose of beautifying voice.The effect of reverberant sound amount controller is the signal that reverberation was handled to be carried out volume regulate, and its control signal is from audio video processor.At last, reverb signal also is input to the audio mix amplifier.
Audio video processor by a high speed high integration digital audio/video process chip with and peripheral circuit form, this chip need comprise all functions of MPEG-1, MPEG-2, MPEG-4 decoding, built-in 32-BIT CPU, can handle multiple instructions such as arithmetical operation, Image Information Processing and bus interface, to accelerate the processing speed of audio frequency and video; Be with multiple bus interface, comprise two USB2.0 high speed otg controllers, with external various harddisk memories, FLASH etc.; The DAB output interface, the coding of compatible various forms; Various video coding output interfaces can adapt to the output of NTSC/PAL 1080P high definition; An infrared receiving port receives the various operational orders that telepilot sends.
Two USB 2.0 high speed otg controllers, but OTG1 circumscribed USB peripheral hardware, the USB peripheral hardware can be PC, printer etc.; OTG2 can expand a plurality of USB interface according to actual needs by usb hub.Two USB socket of general installation on televisor, one of them can adopt the USB socket of Mini 5Pin directly to draw from OTG1, draws available TypeA type USB socket in another any one mouth from usb hub.The built-in FLASH module also is connected on the mouth of usb hub.
Store the accompaniment content and relevant video file of the song that needs performance on the external USB memory device, these files generally adopt special-purpose form, in the music file of described special use, comprise three aspect contents: one, and video background; Two, lyrics subtitle file; Three, accompaniment music and primary sound.These content stores can be upgraded by the special website that producer provides on the storer of hard disk, USB flash disk.
Audio video processor will be decoded from the Voice ﹠ Video file on the USB memory device, thus outputting video signal and sound signal.Its vision signal outputs to the TV video board, just can see the captions and the associated video background of performance on the televisor.Its accompaniment music signal outputs on the audio mix amplifier by behind the D/A converter.Original singer's voice on the accompaniment music signal can be eliminated or reservation by the telepilot related key.
In the performance process, if want to record, can send control command by related key on the telepilot and give audio video processor, recording file is kept on the built-in FLASH module.The USB peripheral hardware be if PC then can upgrade the data on all USB memory devices that connect on the usb hub by PC, shifts or operation such as backup.For example: can or clip on the PC with the file copy on the built-in FLASH module.
After the accompaniment signal that the audio mix amplifier will be imported, reverb signal and the through connect signal mixing amplification, be the Karaoke sound signal that needs, this signal be connected on the related audio treatment circuit of televisor and get final product.At first entering television sound volume sound effect control device, is on the TV power amplification plate then, is the left and right main sound channel of output at last, receives on the TV built-in speaker.
General KTV, because the restriction of the aspects such as space of itself, power is limited, needs external power amplifier to sing.Can adopt the D power-like amplifier on the power amplification plate of televisor of the present invention, present D class power amplifier technology is comparative maturity, and cost also further descends, and not only can export bigger power, also can save the space, can the little restriction in fine solution flat panel TV space.
The power amplification plate of described televisor karaoke OK system is exported one road supper bass signal in addition except exporting common L, R sound signal to TV loudspeaker, the external woofer of this road signal demand.For this reason, need a supper bass output interface is set on televisor, output on the external woofer.During karaoke, the output of supper bass is very crucial, and bass can well enlarge the spatial impression and the sense of fulfillment of performance.Even under the lower-powered situation of L, R,, also can reach very desirable effect if the output of one road supper bass is arranged.Like this can be fine the Karaoke of solution televisor need the trouble of external power amplifier and audio amplifier, when improving singing effect, also reduced consumer's equipment input greatly.
In order to sing conveniently, the microphone available wireless microphone of described system at this moment, is built in microphone in the telepilot, and other adds wireless transmitter module voice is sent; Internal or external wireless receiver is sent to karaoke OK system with voice on the televisor.
The original corresponding module of the infrared receiving module of described system and televisor is shared, and with the TV mainboard, the input of TV button can be operated mutually.After switching to the Karaoke state, the various command of sending from the TV remote controller respective keys just can enter from the infrared interface of audio video processor, to produce various control commands.Produce switch command simultaneously, its power module of may command so that when Kara OK function is closed, cuts off its line related, more economize on electricity.
Most preferred embodiment described above only is that the present invention is set forth and illustrates, but is not limited to disclosed any concrete form, and it is possible carrying out many modifications and variations.
Claims (9)
1. television karaoke system, comprise MIC signal from microphone, with the MIC signal be blended directly in together microphone signal mixer, microphone fader, the reverberation treatment circuit that is connected with the microphone fader, the audio mix amplifier of the control signal that is connected with the microphone signal mixer and television sound volume sound effect control device and the TV power amplifier that connects the audio mix amplifier in turn, it is characterized in that: also include the audio video processor that is connected with the microphone signal mixer by A/D converter; The output of described microphone signal mixer divides two-way, and the A/D converter of leading up to enters audio video processor, and another road enters the microphone fader; Described audio video processor includes USB 2.0 high speed otg controllers in order to external various harddisk memories and FLASH, DAB output interface, video coding output interface, receive the infrared receiving port of the various operational orders that telepilot sends.
2. television karaoke system as claimed in claim 1, it is characterized in that: by the USB 2.0 high speed otg controllers of described digital audio/video processor, can expand a plurality of USB interface, the memory device that is used for external external unit and connects various band USB interface.
3. television karaoke system as claimed in claim 2 is characterized in that: totally two of described USB 2.0 high speed otg controllers, and one of them connects USB peripheral hardware PC or printer; Another expands a plurality of USB interface by usb hub, to connect the USB memory device.
4. as any one described television karaoke system of claim 1 to 3, it is characterized in that: the back level of described reverberation treatment circuit is the reverberation feedback processor, described reverberation feedback processor will feed back to the input end of reverberation treatment circuit through the inhibit signal that the reverberation processing circuit processes is crossed, and be input in the reverberation treatment circuit after signal mixer mixes with input signal again.
5. television karaoke system as claimed in claim 4 is characterized in that: described USB memory device, stores has the accompaniment content and the associated video file that need give song recitals; Described audio video processor is decoded to the audio-video document on this USB memory device, the output audio-video signal.
6. as any one described television karaoke system of claim 1 to 3, it is characterized in that: described signal by the microphone fader is divided into two-way, and one the road through to the audio mix amplifier, and the reverberation treatment circuit is then arrived by signal mixer in another road.
7. as any one described television karaoke system of claim 1 to 3, it is characterized in that: the digital audio and video signals of described audio video processor output converts simulating signal to through a D/A converter, outputs to mixer amplifier then.
8. as any one described television karaoke system of claim 1 to 3, it is characterized in that: described TV power amplifier is the D power-like amplifier, the also external woofer of this power amplifier.
9. as any one described television karaoke system of claim 1 to 3, it is characterized in that: the original corresponding module of described infrared receiving module and televisor is shared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710074090 CN101071623A (en) | 2007-04-23 | 2007-04-23 | Television karaoke system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710074090 CN101071623A (en) | 2007-04-23 | 2007-04-23 | Television karaoke system |
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| CN101071623A true CN101071623A (en) | 2007-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710074090 Pending CN101071623A (en) | 2007-04-23 | 2007-04-23 | Television karaoke system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010139134A1 (en) * | 2009-06-01 | 2010-12-09 | 海尔集团公司 | Signal source and tv with the signal source |
| CN102073201A (en) * | 2009-11-10 | 2011-05-25 | 精工爱普生株式会社 | Image display device and method of controlling the same |
| CN102264000A (en) * | 2011-07-29 | 2011-11-30 | 深圳创维－Rgb电子有限公司 | Implementation method and device of TV Karaoke function entry, and TV set |
| CN102802082A (en) * | 2012-07-09 | 2012-11-28 | 福建星网视易信息系统有限公司 | Method and song ordering system supporting using of plurality of effectors |
| CN103200493A (en) * | 2013-04-18 | 2013-07-10 | 浙江大丰实业有限公司 | Stage background sound effect control system |
| CN104851441A (en) * | 2015-05-15 | 2015-08-19 | 小米科技有限责任公司 | Method of realizing karaoke, device and home audio |
| CN105101006A (en) * | 2014-05-13 | 2015-11-25 | 深圳Tcl新技术有限公司 | Wireless microphone and wireless karaoke control system |
| CN105245991A (en) * | 2015-10-26 | 2016-01-13 | 汪国印 | Head-mounted karaoke singing earphone and karaoke singing processing method |
| CN105959871A (en) * | 2016-07-21 | 2016-09-21 | 太仓怡泰霖智能科技有限公司 | Intelligent management sound system with music fountain function |
| CN105959875A (en) * | 2016-05-27 | 2016-09-21 | 贵州奥斯科尔科技实业有限公司 | Vehicle-mounted KTV control device |
| CN106341630A (en) * | 2016-09-19 | 2017-01-18 | 乐视控股（北京）有限公司 | Television terminal supporting audio input |
| CN109640190A (en) * | 2018-12-27 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Television interaction method, system and its medium |
| CN112073876A (en) * | 2020-04-16 | 2020-12-11 | 音王电声股份有限公司 | Self-adaptive pickup all-in-one machine control system |
-
2007
- 2007-04-23 CN CN 200710074090 patent/CN101071623A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8675131B2 (en) | 2009-06-01 | 2014-03-18 | Haier Group Corporation | Signal processing device and TV with the signal processing device |
| WO2010139134A1 (en) * | 2009-06-01 | 2010-12-09 | 海尔集团公司 | Signal source and tv with the signal source |
| CN102073201A (en) * | 2009-11-10 | 2011-05-25 | 精工爱普生株式会社 | Image display device and method of controlling the same |
| CN102073201B (en) * | 2009-11-10 | 2014-12-10 | 精工爱普生株式会社 | Image display device and method of controlling the same |
| US8989409B2 (en) | 2009-11-10 | 2015-03-24 | Seiko Epson Corporation | Image display device and method of controlling the same |
| CN102264000A (en) * | 2011-07-29 | 2011-11-30 | 深圳创维－Rgb电子有限公司 | Implementation method and device of TV Karaoke function entry, and TV set |
| CN102264000B (en) * | 2011-07-29 | 2013-05-08 | 深圳创维－Rgb电子有限公司 | Implementation method and device of TV Karaoke function entry, and TV set |
| CN102802082A (en) * | 2012-07-09 | 2012-11-28 | 福建星网视易信息系统有限公司 | Method and song ordering system supporting using of plurality of effectors |
| CN102802082B (en) * | 2012-07-09 | 2015-01-28 | 福建星网视易信息系统有限公司 | Method and song ordering system supporting using of plurality of effectors |
| CN103200493A (en) * | 2013-04-18 | 2013-07-10 | 浙江大丰实业有限公司 | Stage background sound effect control system |
| CN105101006A (en) * | 2014-05-13 | 2015-11-25 | 深圳Tcl新技术有限公司 | Wireless microphone and wireless karaoke control system |
| CN104851441A (en) * | 2015-05-15 | 2015-08-19 | 小米科技有限责任公司 | Method of realizing karaoke, device and home audio |
| CN104851441B (en) * | 2015-05-15 | 2018-03-09 | 小米科技有限责任公司 | Realize the method, apparatus and home audio of Karaoke |
| CN105245991A (en) * | 2015-10-26 | 2016-01-13 | 汪国印 | Head-mounted karaoke singing earphone and karaoke singing processing method |
| CN105959875A (en) * | 2016-05-27 | 2016-09-21 | 贵州奥斯科尔科技实业有限公司 | Vehicle-mounted KTV control device |
| CN105959871A (en) * | 2016-07-21 | 2016-09-21 | 太仓怡泰霖智能科技有限公司 | Intelligent management sound system with music fountain function |
| CN106341630A (en) * | 2016-09-19 | 2017-01-18 | 乐视控股（北京）有限公司 | Television terminal supporting audio input |
| CN109640190A (en) * | 2018-12-27 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Television interaction method, system and its medium |
| CN112073876A (en) * | 2020-04-16 | 2020-12-11 | 音王电声股份有限公司 | Self-adaptive pickup all-in-one machine control system |
| CN112073876B (en) * | 2020-04-16 | 2021-07-20 | 音王电声股份有限公司 | Self-adaptive pickup all-in-one machine control system |
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