CN201608798U - Multifunctional audio player - Google Patents
Multifunctional audio player Download PDFInfo
- Publication number
- CN201608798U CN201608798U CN2010200267081U CN201020026708U CN201608798U CN 201608798 U CN201608798 U CN 201608798U CN 2010200267081 U CN2010200267081 U CN 2010200267081U CN 201020026708 U CN201020026708 U CN 201020026708U CN 201608798 U CN201608798 U CN 201608798U
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Abstract
The utility model relates to the audio player product technical field, in particular relates to a multifunctional audio player. The circuit of the audio player comprises a main MCU, an audio input channel conversion unit, a volume control unit, a sound effect processing unit and a power amplifier unit which are connected with the main MCU; wherein, the power amplifier unit is connected with a trumpet, an external audio source is inputted through the audio input channel conversion unit and is outputted through the trumpet via the volume control unit, a sound effect processing unit and the power amplifier unit; the circuit of the audio player also comprises a D/A conversion unit and a wireless transmitting unit which are connected with the main MCU, wherein the D/A conversion unit is connected with the audio input channel conversion unit, the wireless transmitting unit is connected with the D/A conversion unit, the external audio source is inputted through the audio input channel conversion unit and is transmitted through the wireless transmitting unit after the digital signal is converted into an analog signal by the D/A conversion unit. By adopting the technical proposal, the multifunctional audio player not only has common power amplification function, but also transmits the input audio signal converted by the D/A conversion unit through the wireless transmitting unit, and then the trumpet with a receiving unit receives the audio signal, so as to realize the longer-distance wireless audio transmission.
Description
Technical field:
The utility model relates to the voice playing product technical field, relates in particular to a kind of multi-functional audio playing apparatus.
Background technology:
Television set has become electrical equipment indispensable in people's daily life, and along with development of science and technology, the technology of television set also obtains more and more faster development.Usually the definition of how modified its picture of television set does not significantly promote for audio frequency effect.So,, just need in addition the audio signal end of TV is connected with external power amplifier, thereby obtain hearing enjoying preferably if the spectator of TV seeks out audio frequency effect preferably.If also need to pursue further audio frequency effect, for example reach the effect of surround sound, enjoyment private savings movie theatre, just need a plurality of loudspeaker of configuration, this just is difficult to accomplish for general power amplifier, even and can dispose a plurality of loudspeaker, the data wire between loudspeaker and the power amplifier also can bring many yoke to family.
The present invention proposes following technical scheme just at above-mentioned situation.
The utility model content:
Technical problem to be solved in the utility model just is to overcome the existing deficiency of present product, a kind of multi-functional audio playing apparatus is provided, this playing device at first has the effect of common power amplifier, the audio signal of television set can be played back after treatment, improve the audio frequency effect of television set.In addition, for pursuing the more user of high audio effect, but this playing device a plurality of external loudspeaker of wireless connections are also realized more ultimate attainment hearing enjoying.
In order to solve technique scheme, the utility model has adopted following technical scheme: the circuit of this playing device comprises: a main micro-control unit and the audio input channel converting unit that is connected with main micro-control unit, volume control unit, audio processing unit and power amplifier unit, wherein power amplifier unit is connected with loudspeaker, external audio frequency is by the input of audio input channel converting unit, through volume control unit, behind audio processing unit and the power amplifier unit, export by loudspeaker, the circuit of this playing device also comprises a D/A conversion unit and a wireless transmitting unit that is connected with main micro-control unit, wherein D/A conversion unit is connected with the audio input channel converting unit, wireless transmitting unit is connected with D/A conversion unit, external audio frequency is launched by wireless transmitting unit after the process D/A conversion unit is converted to analog signal with digital signal by the input of audio input channel converting unit.
What described wireless transmitting unit adopted is to have 2.4GHz ISM band chip, and this chip internal is provided with the radiating circuit and the signal demodulating circuit of series connection.
The circuit of described playing device also includes: the control panel that is connected with main micro-control unit and realize the remote controller of wireless connections with main micro-control unit.
After adopting technique scheme, the utlity model has the function of common power amplifier, it is by main micro-control unit, the audio input channel converting unit that is connected with main micro-control unit, volume control unit, audio processing unit and power amplifier unit, and the loudspeaker that are connected with power amplifier unit are realized, after external audio frequency is handled through foregoing circuit
By loudspeaker output acoustical quality better sound, strengthen the audio of television set, satisfy the user who pursues hearing enjoying.
Another aspect, the utility model biggest advantage are that it can be launched by wireless transmitting unit after the audio signal process digital-to-analogue conversion of importing, and the loudspeaker that order has receiving element receive, and so just can realize longer-distance audio transmission.The user can be in
Diverse location is installed the loudspeaker with radio receiving unit in occupying, and just can experience the audio frequency effect of surround sound when using like this, mixes popular now large-screen receiver, brings the seeing and hearing enjoyment of private savings movie theatre.
Description of drawings:
Fig. 1 is the utility model circuit frame principle figure;
Fig. 2 implements the schematic diagram of state for the utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is elaborated.
See Fig. 1, circuit of the present utility model comprises: main micro-control unit 10, audio input channel converting unit 11, volume control unit 12, audio processing unit 13, power amplifier unit 14, loudspeaker 15, D/A conversion unit 16, wireless transmitting unit 17, control panel 18 and remote controller 19.Wherein, audio input channel converting unit 11, volume control unit 12, audio processing unit 13, power amplifier unit 14, D/A conversion unit 16, wireless transmitting unit 17, control panel 18 and remote controller 19 all are connected with main micro-control unit 10, control by 10 pairs of each unit of main micro-control unit.
Circuit of the present utility model mainly comprises two parts, wherein, main micro-control unit 10, audio frequency input channel converting unit 11, volume control unit 12, audio processing unit 13, power amplifier unit 14 and loudspeaker 15 have constituted the power amplifier part, function with traditional power amplifier, the sub-AuxIn a of the audio output of television set, AuxInb, AuxIn c is connected with audio input channel converting unit 11, audio signal input the utility model with television set, audio frequency is through control unit 12, behind audio processing unit 13 and the power amplifier unit 14, by loudspeaker 15 outputs, the user just can obtain the better hearing enjoying of tonequality like this.
Another part of circuit of the present utility model is exactly the ANTENN AUDIO radiating portion that is made of main micro-control unit 10, audio input channel converting unit 11, D/A conversion unit 16 and wireless transmitting unit 17.When using this partial function, need external several to have the loudspeaker of radio receiving unit.During use, audio signal input the utility model of television set, the audio signal of input is launched by wireless transmitting unit 17 after being converted to analog signal through digital-to-analogue unit 16, the loudspeaker that order has receiving element receive, and so just can realize longer-distance ANTENN AUDIO transmission.The user can install the loudspeaker with radio receiving unit by diverse location in household, just can experience the audio frequency effect of surround sound when using like this, brings the auditory effect of user's private savings movie theatre.As shown in Figure 2, present embodiment just has been to use the function of ANTENN AUDIO radiating portion, multi-functional audio playing apparatus 1 wherein described in the utility model is connected with the audio frequency terminal of television set 2, the loudspeaker 31,32,33,34 with radio receiving unit are placed in a plurality of positions in the room, when using like this, the audio frequency of television set 2 just can be realized the effect of surround sound by these several loudspeaker outputs.
What the wireless transmitting unit 17 that the utility model adopted adopted is to have 2.4GHz ISM band chip, and this chip internal is provided with the radiating circuit and the signal demodulating circuit of series connection.Control panel 18 and remote controller 19 in the circuit can be realized control of the present utility model.
Certainly, the above only is example of the utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (3)
1. multi-functional audio playing apparatus, the circuit of this playing device includes: a main micro-control unit (10), and the audio input channel converting unit (11) that is connected with main micro-control unit (10), volume control unit (12), audio processing unit (13) and power amplifier unit (14), wherein power amplifier unit (14) is connected with loudspeaker (15), external audio frequency is by audio input channel converting unit (11) input, through volume control unit (12), behind audio processing unit (13) and the power amplifier unit (14), export by loudspeaker (15), it is characterized in that: the circuit of this playing device also comprises a D/A conversion unit (16) that is connected with main micro-control unit (10) and a wireless transmitting unit (17), wherein D/A conversion unit (16) is connected with audio input channel converting unit (11), wireless transmitting unit (17) is connected with D/A conversion unit (16), external audio frequency is launched by wireless transmitting unit (17) after process D/A conversion unit (16) is converted to analog signal with digital signal by audio input channel converting unit (11) input.
2. a kind of multi-functional audio playing apparatus according to claim 1 is characterized in that: what described wireless transmitting unit (17) adopted is to have 2.4GHz ISM band chip, and this chip internal is provided with the radiating circuit and the signal demodulating circuit of series connection.
3. a kind of multi-functional audio playing apparatus according to claim 2, it is characterized in that: the circuit of described playing device also includes: the control panel (18) that is connected with main micro-control unit (10) and realize the remote controller (19) of wireless connections with main micro-control unit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200267081U CN201608798U (en) | 2010-01-14 | 2010-01-14 | Multifunctional audio player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200267081U CN201608798U (en) | 2010-01-14 | 2010-01-14 | Multifunctional audio player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608798U true CN201608798U (en) | 2010-10-13 |
Family
ID=42953498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200267081U Expired - Fee Related CN201608798U (en) | 2010-01-14 | 2010-01-14 | Multifunctional audio player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196337A (en) * | 2011-05-25 | 2011-09-21 | 广州市森谱电子科技有限公司 | Intelligent digital sound system equipment |
| CN106911952A (en) * | 2015-12-23 | 2017-06-30 | 天津三星电子有限公司 | A kind of display system |
-
2010
- 2010-01-14 CN CN2010200267081U patent/CN201608798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196337A (en) * | 2011-05-25 | 2011-09-21 | 广州市森谱电子科技有限公司 | Intelligent digital sound system equipment |
| CN106911952A (en) * | 2015-12-23 | 2017-06-30 | 天津三星电子有限公司 | A kind of display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20140114 |