CN101990074A - Television with audio playing function - Google Patents
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- CN101990074A CN101990074A CN2009101090644A CN200910109064A CN101990074A CN 101990074 A CN101990074 A CN 101990074A CN 2009101090644 A CN2009101090644 A CN 2009101090644A CN 200910109064 A CN200910109064 A CN 200910109064A CN 101990074 A CN101990074 A CN 101990074A
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- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The invention provides a television with an audio playing function. The television comprises a television system, a television power amplifier unit (PAU), a loudspeaker and a television audio switch, wherein the television system can play videos on a display screen; the loudspeaker is connected with the television PAU; the television audio switch is arranged between the television system and the television PAU; an audio playing unit is also connected with the television audio switch; and when the television system is turned off and the television audio switch is triggered, the audio playing unit realizes audio playing through the television PAU and the loudspeaker connected with the television PAU. In the television provided by the invention, when the television system is turned off, the audio playing unit can carry out audio playing through the television PAU and the loudspeaker, thereby realizing the purpose of playing audio players such as an MP3, a CD, radios and the like by utilizing the television. Furthermore, the audio playing unit is integrated into a whole, thereby being convenient in installation and use.
Description
Technical field
The present invention relates to technical field of television sets, relate in particular to a kind of television set with the voice playing function.
Background technology
At present, audio-frequence player device has a lot, and for example MP3 player, CD Player etc. comprise that broadcast receiver all belongs to audio player, and still, the television set of band voice playing function does not but have.
Summary of the invention
For this reason, technical problem to be solved by this invention is: a kind of television set with the voice playing function is provided, makes when closing television machine system, can carry out voice playing by the loudspeaker of television set.
So, the invention provides a kind of television set with the voice playing function, comprise can system for TV set, television set power amplifier unit, the loudspeaker that are connected with the television set power amplifier unit of playing video on the display screen and place described system for TV set and the television set power amplifier unit between the tv audio switch, wherein, on described tv audio switch, also be connected with audio playing unit, closing described system for TV set, during the trigger television audio switch, audio playing unit is realized voice playing by the loudspeaker of television set power amplifier unit and connection thereof.
Described audio playing unit comprises:
Sound code stream unit is used to carry out digital decoding, obtaining analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
Usb interface unit is used for the audio-frequency information of input is sent to described sound code stream unit.
Perhaps, described audio playing unit comprises:
D/A conversion unit, the digital signal that is used for receiving is converted to analog signal, and sends to IF processing unit;
The high frequency processing unit is used to handle high-frequency signal, and the high-frequency signal that parses is sent to IF processing unit;
IF processing unit is used to handle the signal that D/A conversion unit and high frequency processing unit are sent, and the data after will handling send to sound code stream unit, simultaneously the high frequency processing unit is carried out automatic gain control;
Sound code stream unit is used to carry out digital decoding, obtains analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
Deposit the platform unit, be used for the signal after the IF processing unit processing is stored.
Perhaps, described audio playing unit comprises:
Sound code stream unit is used to carry out digital decoding, obtaining analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
Usb interface unit is used for the audio-frequency information of input is sent to described sound code stream unit;
D/A conversion unit, the digital signal that is used for receiving is converted to analog signal, and sends to IF processing unit;
The high frequency processing unit is used to handle high-frequency signal, and the intermediate-freuqncy signal that parses is sent to IF processing unit;
IF processing unit is used to handle the signal that D/A conversion unit and high frequency processing unit are sent, and the data after will handling send to sound code stream unit, simultaneously the high frequency processing unit is carried out automatic gain control;
Deposit the platform unit, be used for the signal after the IF processing unit processing is stored.
Above-mentioned audio playing unit becomes one.
Tut code stream unit also is connected with the remote controller receiving element that is used to receive the TV remote controller signal.
Above-mentioned television set also comprises: string commentaries on classics that is connected with described audio playing unit and interface unit and the driver element that is used to drive external display screen that is connected with this interface unit.
The television set of band voice playing function of the present invention, by on the tv audio switch, connecting an audio playing unit, make when closing television machine system, audio playing unit can carry out voice playing by television set power amplifier unit and loudspeaker thereof, has realized utilizing television set to carry out the broadcast of audio players such as MP3, CD, broadcast receiver.Further, this audio playing unit becomes one, and is convenient to install and use.
Description of drawings
Fig. 1 is the TV set circuit block diagram of band voice playing function of the present invention;
Fig. 2 is the television set embodiment one physical circuit block diagram of band voice playing function of the present invention;
Fig. 3 is the television set embodiment two physical circuit block diagrams of band voice playing function of the present invention;
Fig. 4 is the television set embodiment three physical circuit block diagrams of band voice playing function of the present invention;
Fig. 5 is and the remote controller structural representation that is used for television set of the present invention.
Embodiment
Below, describe the present invention in conjunction with the accompanying drawings.
As shown in Figure 1, the television set of band voice playing function comprises: system for TV set 11, tv audio switch 12, television set power amplifier unit 13, loudspeaker 14 and audio playing unit 20.
Wherein, system for TV set 11 is used to be implemented in plays television image on the display screen, television sound part then connects tv audio switches 12, tv audio switch by system for TV set 11 and connects television set power amplifier unit 13, television set power amplifier unit 13 again and connect that loudspeaker 14 realize again.
The television set of the described band voice playing of present embodiment function is connected with audio playing unit 20 on tv audio switch 12, when closing television machine system 11, during trigger television voice playing switch 12, audio playing unit 20 just can be realized voice playing by television set power amplifier unit 13 and the loudspeaker that connect 14 thereof.So audio playing unit 20 has been realized the broadcast of audio frequency by the loudspeaker of television set.
Here, described trigger television voice playing switch 12 is meant that audio playing unit 20 gives signal of telecommunication of tv audio playback switch, informs that this switch audio playing unit needs work.Generally speaking, be that the control pin of tv audio playback switch 12 is put height.Audio playing unit 20 is provided with the 5V electricity and gets final product.
Described audio playing unit 20 can be audio player or their combinations such as MP3, CD, broadcast receiver.When closing system for TV set 11, television display screen is closed, and television set speaker can be come out the sound playing of audio playing unit 20.
Embodiment one
As shown in Figure 2, when audio playing unit 20 was MP3, this audio playing unit 20 comprised: sound code stream unit 21 and usb interface unit 22.
Wherein, sound code stream unit 21, be used for the audio-frequency information by usb interface unit 22 inputs is carried out digital decoding, to obtain analog signal, that is, the left and right acoustic channels sound of simulation, and this analog signal sent to the tv audio switch 12 that is attached thereto, audio switch 12 passes through the television set power amplifier unit 13 and the loudspeaker 14 of its connection, audio plays again;
The VA4010 chip can be selected in sound code stream unit 21, and for cooperating this chip operation, generally a built-in built-in FLASH 24 in this chip also is used to store built-in program.Simultaneously, also is furnished with the crystal oscillator 23 that basic clock signal is provided for system.
For being implemented in operation audio playing unit 20 on the TV remote controller, on sound code stream unit 21, also connect a remote controller Transmit-Receive Unit 40, by this unit, can realize the information transmit-receive of the audio playing unit on TV remote controller and the television set.
When carrying out voice playing, television display screen is closed, if want to realize that the voice playing interface is visual, can on sound code stream unit 21, connect a string commentaries on classics and interface unit 31 again, this interface unit connects a display screen driver element 32, be used to drive the display screen of television set, perhaps be used to drive one and be arranged on the outer small display screen of television display screen separately.
Embodiment two
As shown in Figure 3, when audio playing unit 20 was broadcast receiver, this audio playing unit 20 comprised:
D/A conversion unit 27, the digital signal that is used for receiving is converted to analog signal, and sends to IF processing unit 25;
High frequency processing unit 25 is used to handle high-frequency signal, and the intermediate-freuqncy signal that parses is sent to IF processing unit 26;
Sound code stream unit 21 is used to carry out digital decoding, obtains analog signal, and this analog signal is sent to the tv audio switch 12 that is attached thereto;
The described broadcast receiver of present embodiment can be that amplitude-modulation receiver also can be a FM receiver, and its realization mechanism is consistent, and Fig. 3 is that example is illustrated with the FM receiver.
High frequency processing unit 25 is handled after receiving L-band FM signal, enter IF processing unit 26 from I2S and I2C data/address bus after parsing intermediate-freuqncy signal, the signal that IF processing unit 26 processing D/A conversion units 27 and high frequency processing unit 25 send, and data send to sound code stream unit 21 from the SM data/address bus after will handling, IF processing unit 26 intercoms with high frequency processing unit 25 mutually by the I2C bus simultaneously, and high frequency processing unit 25 is carried out the control of AGCI automatic gain.Sound code stream unit 21 sends voice data to IF processing unit 26 by the I2S data/address bus.
Signal after IF processing unit 26 is handled is stored by depositing platform unit 29, has promptly stored accent platform channel.The signal that the 21 pairs of IF processing units 26 in sound code stream unit are sent carries out digital decoding, obtain analog signal, promptly, the left and right acoustic channels sound of simulation, and this analog signal sent to the tv audio switch 12 that is attached thereto, audio switch 12 passes through the television set power amplifier unit 13 and the loudspeaker 14 of its connection, audio plays again;
In the present embodiment, high frequency processing unit 25 can be selected the MAX2170 chip, and IF processing unit 26 is selected the VA1010 chip, sound code stream unit 21 present VA4010 chips, be to cooperate the VA4010 chip operation, generally a built-in built-in FLASH 24 in this chip also is used to store built-in program.Simultaneously, also is furnished with the crystal oscillator 23 that basic clock signal is provided for system.Be high frequency processing unit MAX2170 chip configuration one crystal oscillator 28.
For being implemented in operation audio playing unit 20 on the TV remote controller, on sound code stream unit 21, also connect a remote controller Transmit-Receive Unit 70, by this unit, can realize the information transmit-receive of the audio playing unit on TV remote controller and the television set.
When carrying out voice playing, television display screen is closed, if want to realize that the voice playing interface is visual, can on sound code stream unit 21, connect a string commentaries on classics and interface unit 31 again, this interface unit connects a display screen driver element 32, be used to drive the display screen of television set, perhaps be used to drive one and be arranged on the outer small display screen of television display screen separately.
Embodiment three
As shown in Figure 4, when audio playing unit 20 was the combination of broadcast receiver and MP3, this audio playing unit 20 comprised:
Sound code stream unit 21 is used to carry out digital decoding, obtaining analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
D/A conversion unit 27, the digital signal that is used for receiving is converted to analog signal, and sends to IF processing unit 26;
High frequency processing unit 25 is used to handle high-frequency signal, and the intermediate-freuqncy signal that parses is sent to IF processing unit 26;
IF processing unit 26 is used to handle the signal that D/A conversion unit 27 and high frequency processing unit 25 are sent, and the data after will handling send to sound code stream unit 21, simultaneously high frequency processing unit 25 is carried out automatic gain control;
Audio playing unit described in the present embodiment 20 is the combination of broadcast receiver and MP3, and its independent mechanism of action can no longer be repeated in this description in the present embodiment with reference to embodiment one and embodiment two.
For being implemented in operation audio playing unit 20 on the TV remote controller, on sound code stream unit 21, also connect a remote controller Transmit-Receive Unit 90, by this unit, can realize the information transmit-receive of the audio playing unit on TV remote controller and the television set.It is strong to be respectively equipped with broadcast receiver and MP3 operation on remote controller.
When carrying out voice playing, television display screen is closed, if want to realize that the voice playing interface is visual, can on sound code stream unit 21, connect a string commentaries on classics and interface unit 31 again, this interface unit connects a display screen driver element 32, be used to drive the display screen of television set, perhaps be used to drive one and be arranged on the outer small display screen of television display screen separately.
In conjunction with the television set of above-mentioned band voice playing function, the remote controller that present embodiment also provides a kind of and described television set to be complementary, as shown in Figure 5, and remote controller 100, it is provided with television set and voice playing switching strong 101 and voice playing operating function district 102.On audio operation functional areas 102, be respectively arranged with MP3 broadcast strong 1021 and broadcast receiver and play strong 1022.Wherein, MP3 play strongly can further be set to play, advance, the backstage selects to be good for.
Press the switching of television set and voice playing and be good for 101, television set enters audio-frequency play mode, promptly can realize MP3 or wireless broadcast by corresponding operation keys in audio operation functional areas 102.
Above-mentioned audio playing unit can become one, and is convenient to install and use.
In sum, the television set of the described band voice playing of present embodiment function, by on the tv audio switch, connecting an audio playing unit, make when closing television machine system, audio playing unit can carry out voice playing by television set power amplifier unit and loudspeaker thereof, has realized utilizing television set to carry out the broadcast of audio players such as MP3, CD, broadcast receiver.Further, this audio playing unit becomes one, and is convenient to install and use.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. television set with the voice playing function, comprise can system for TV set, television set power amplifier unit, the loudspeaker that are connected with the television set power amplifier unit of playing video on the display screen and place described system for TV set and the television set power amplifier unit between the tv audio switch, it is characterized in that, on described tv audio switch, also be connected with audio playing unit, closing described system for TV set, during the trigger television audio switch, audio playing unit is realized voice playing by the loudspeaker of television set power amplifier unit and connection thereof.
2. television set according to claim 1 is characterized in that, described audio playing unit comprises:
Sound code stream unit is used to carry out digital decoding, obtaining analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
Usb interface unit is used for the audio-frequency information of input is sent to described sound code stream unit.
3. television set according to claim 1 is characterized in that, described audio playing unit comprises:
D/A conversion unit, the digital signal that is used for receiving is converted to analog signal, and sends to IF processing unit;
The high frequency processing unit is used to handle high-frequency signal, and the high-frequency signal that parses is sent to IF processing unit;
IF processing unit is used to handle the signal that D/A conversion unit and high frequency processing unit are sent, and the data after will handling send to sound code stream unit, simultaneously the high frequency processing unit is carried out automatic gain control;
Sound code stream unit is used to carry out digital decoding, obtains analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
Deposit the platform unit, be used for the signal after the IF processing unit processing is stored.
4. television set according to claim 1 is characterized in that, described audio playing unit comprises:
Sound code stream unit is used to carry out digital decoding, obtaining analog signal, and this analog signal is sent to the tv audio switch that is attached thereto;
Usb interface unit is used for the audio-frequency information of input is sent to described sound code stream unit;
D/A conversion unit, the digital signal that is used for receiving is converted to analog signal, and sends to IF processing unit;
The high frequency processing unit is used to handle high-frequency signal, and the intermediate-freuqncy signal that parses is sent to IF processing unit;
IF processing unit is used to handle the signal that D/A conversion unit and high frequency processing unit are sent, and the data after will handling send to sound code stream unit, simultaneously the high frequency processing unit is carried out automatic gain control;
Deposit the platform unit, be used for the signal after the IF processing unit processing is stored.
5. according to any described television set of claim 1 to 4, it is characterized in that described audio playing unit becomes one.
6. according to any described television set of claim 1 to 4, it is characterized in that described sound code stream unit also is connected with the remote controller receiving element that is used to receive the TV remote controller signal.
7. television set according to claim 1 is characterized in that, also comprises: string commentaries on classics that is connected with described audio playing unit and interface unit and the driver element that is used to drive external display screen that is connected with this interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101090644A CN101990074A (en) | 2009-08-03 | 2009-08-03 | Television with audio playing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101090644A CN101990074A (en) | 2009-08-03 | 2009-08-03 | Television with audio playing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101990074A true CN101990074A (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101090644A Pending CN101990074A (en) | 2009-08-03 | 2009-08-03 | Television with audio playing function |
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| Country | Link |
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| CN (1) | CN101990074A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595080A (en) * | 2012-03-14 | 2012-07-18 | 冠捷显示科技（厦门）有限公司 | TV system for transmitting wireless audio in multi-process mode |
| KR101517927B1 (en) | 2012-08-17 | 2015-05-07 | 텐센트 테크놀로지(센젠) 컴퍼니 리미티드 | network game system without dynamic obstructions and processing method thereof |
| CN105812954A (en) * | 2014-12-30 | 2016-07-27 | 乐视致新电子科技（天津）有限公司 | Playing method and playing device based on switching-off state of screen |
| CN108551588A (en) * | 2018-05-17 | 2018-09-18 | 四川长虹电器股份有限公司 | A kind of device and method that television standby realizes intelligent sound box |
| CN112468752A (en) * | 2020-12-02 | 2021-03-09 | 铭薪电子（深圳）有限公司 | Touch screen television for prison and touch screen system thereof |
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| CN1274232A (en) * | 2000-02-23 | 2000-11-22 | 海信集团公司 | Colour TV set with FM radio function |
| CN2481092Y (en) * | 2000-12-11 | 2002-03-06 | 康佳集团股份有限公司 | Television set with extended accompanying sound listening function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595080A (en) * | 2012-03-14 | 2012-07-18 | 冠捷显示科技（厦门）有限公司 | TV system for transmitting wireless audio in multi-process mode |
| CN102595080B (en) * | 2012-03-14 | 2015-03-04 | 冠捷显示科技（厦门）有限公司 | TV system for transmitting wireless audio in multi-process mode |
| KR101517927B1 (en) | 2012-08-17 | 2015-05-07 | 텐센트 테크놀로지(센젠) 컴퍼니 리미티드 | network game system without dynamic obstructions and processing method thereof |
| CN105812954A (en) * | 2014-12-30 | 2016-07-27 | 乐视致新电子科技（天津）有限公司 | Playing method and playing device based on switching-off state of screen |
| CN108551588A (en) * | 2018-05-17 | 2018-09-18 | 四川长虹电器股份有限公司 | A kind of device and method that television standby realizes intelligent sound box |
| CN112468752A (en) * | 2020-12-02 | 2021-03-09 | 铭薪电子（深圳）有限公司 | Touch screen television for prison and touch screen system thereof |
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Application publication date: 20110323 |