CN217406650U - Television board card with double-channel audio drive - Google Patents
Television board card with double-channel audio drive Download PDFInfo
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- CN217406650U CN217406650U CN202221508568.0U CN202221508568U CN217406650U CN 217406650 U CN217406650 U CN 217406650U CN 202221508568 U CN202221508568 U CN 202221508568U CN 217406650 U CN217406650 U CN 217406650U
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Abstract
The utility model provides a take double-circuit audio drive's TV integrated circuit board relates to TV integrated circuit board technical field. This TV integrated circuit board includes: an SOC chip for receiving an external signal source; the sound effect DSP chip is used for receiving an external signal source; the external control equipment is electrically connected with the SOC chip, and the SOC chip is in communication connection with the sound effect DSP chip; the A loudspeaker is electrically connected with the SOC chip; and the loudspeaker B is electrically connected with the sound effect DSP chip. The utility model discloses a TV integrated circuit board adopts the audio DSP chip of specialty all the way to handle the sound output of B loudspeaker alone, can be on the basis of the SOC of ordinary TV integrated circuit board, and TV integrated circuit board performance and parameter on the audio frequency are reinforceed in the specialization. In addition, the power amplifier IC of the B loudspeaker adopts a BTL framework, compared with a single power amplifier, the power amplifier IC can increase the output power by more than 2 times under the same power supply voltage, the situation that high-power sound output is needed can be met, and meanwhile, the A loudspeaker is compatible with the conventional television watching scene.
Description
Technical Field
The utility model relates to a TV integrated circuit board technical field especially relates to a take double-circuit audio drive's TV integrated circuit board.
Background
At present, the television board card on the market generally uses a single one-way primary sound driving mode, which can meet the most basic sound requirement and can optimize sound to a certain extent by using the on-board SOC, but has limited effect, and especially for people with higher-quality audio effect requirement, the mode can not meet the requirement of the people, in addition, although the television board card can be externally connected with professional audio processing sound boxes and other equipment, the extra equipment can increase the complexity of the user in use, and the television board card can occupy limited space in a vehicle when used in some specific environments such as a motor home.
SUMMERY OF THE UTILITY MODEL
The utility model provides a following technical scheme:
a television board card with dual-channel audio drive comprises:
when the external signal source comprises a digital audio source and an analog audio source, the television board card comprises:
an SOC chip for receiving an external signal source;
the sound effect DSP chip is used for receiving an external signal source;
the external control equipment is electrically connected with the SOC chip, and the SOC chip is in communication connection with the sound effect DSP chip;
an A horn electrically connected to the SOC chip;
and the loudspeaker B is electrically connected with the sound effect DSP chip.
Further, when the external signal source further comprises a signal containing sound obtained through a USB signal interface or an HDMI signal interface, the SOC chip is electrically connected with the sound effect DSP chip.
Further, the air conditioner is provided with a fan,
the digital audio source is connected with the SOC chip through a digital audio signal interface;
the analog audio source is connected with the sound effect DSP chip through an analog audio signal interface;
furthermore, the SOC chip and the sound effect DSP chip are connected through I 2 C or UART communication mode communication connection.
Furthermore, the sound effect DSP chip adopts a chip with the model number of DU 561.
Further, the external control device is electrically connected with the SOC chip through an external control signal interface; wherein the external control signal interface includes: WIFI signal interface, bluetooth signal interface, mouse signal interface, IR signal interface.
Further, the SOC chip passes through power amplifier ICA and respectively with A left loudspeaker interface and A right loudspeaker interface connection, A left side loudspeaker interface with A right loudspeaker interface is connected with A left loudspeaker and A right loudspeaker are connected respectively.
Furthermore, the power amplifier ICB corresponding to the horn B adopts a BTL type framework.
Further, audio DSP chip is connected with left power amplifier ICB and right power amplifier ICB respectively, left side power amplifier ICB with right power amplifier ICB respectively with left loudspeaker interface of B and the right loudspeaker interface connection of B, left loudspeaker interface of B with right loudspeaker interface of B is connected with left loudspeaker of B and the right loudspeaker of B is connected respectively.
Further, the SOC chip is electrically connected with the display screen.
The embodiment of the utility model provides a take double-circuit audio drive's TV integrated circuit board, its beneficial effect as follows:
compare with current other television integrated circuit boards in the market, the utility model discloses a television integrated circuit board adopts the audio DSP chip of specialty all the way to handle the sound output of B loudspeaker alone, can be on the basis of the SOC of ordinary television integrated circuit board, and the performance and the parameter of television integrated circuit board on the audio frequency are reinforceed in the specialization. In addition, the power amplifier IC of the B loudspeaker adopts a BTL framework, compared with a single power amplifier, the power amplifier IC can increase the output power by more than 2 times under the same power supply voltage, the situation that high-power sound output is needed can be met, and meanwhile, the A loudspeaker is compatible with the conventional television watching scene. In addition, the whole system comprises a DSP sound processing unit, a power amplifier unit, an SOC unit, a control unit, a signal input unit and the like which are all integrated on one board card, so that the space can be effectively saved, and the number of external devices can be reduced.
Drawings
Fig. 1 is a schematic diagram of a television board card with two-way audio driving provided by the embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Example 1:
referring specifically to fig. 1, the embodiment of the utility model provides a pair of take double-circuit audio drive's television board card specifically includes:
an SOC chip for receiving an external signal source; the sound effect DSP chip is used for receiving an external signal source; the external control equipment is electrically connected with the SOC chip, and the SOC chip is in communication connection with the sound effect DSP chip; the A horn is electrically connected with the SOC chip; and the loudspeaker B is electrically connected with the sound effect DSP chip.
The external signal source includes a digital audio source and an analog audio source, and the external signal source interface includes but is not limited to AV, bluetooth, HDMI, USB, TV, etc. Specifically, the digital audio source is connected with the SOC chip through a digital audio signal interface; the analog audio source is connected with the sound effect DSP chip through an analog audio signal interface.
Wherein, the SOC chip and the sound effect DSP chip are connected through I 2 C, UART and the like.
The embodiment of the utility model provides an in, audio DSP chip adopts the model to be DU 561's chip, also can use other models to replace.
The external control equipment is electrically connected with the SOC chip through an external control signal interface; wherein, the external control signal interface includes but is not limited to: a WIFI signal interface, a Bluetooth signal interface, a mouse signal interface, an IR signal interface, etc.
The SOC chip is connected with the A left horn interface and the A right horn interface through the power amplifier ICA respectively, and the A left horn interface and the A right horn interface are connected with the A left horn and the A right horn respectively.
Wherein, the power amplifier ICB corresponding to the horn B adopts a BTL type framework. Specifically, the sound effect DSP chip is connected with left power amplifier ICB and right power amplifier ICB respectively, and left power amplifier ICB and right power amplifier ICB are connected with left loudspeaker interface of B and right loudspeaker interface of B respectively, and left loudspeaker interface of B and right loudspeaker interface of B are connected with left loudspeaker of B and right loudspeaker of B respectively and are connected.
Wherein, SOC chip is connected with the display screen electricity.
And when the external signal source also comprises other signals containing sound obtained through the USB signal interface or the HDMI signal interface, the SOC chip and the sound effect DSP chip are electrically connected. The electrical connections here differ from the communication connections described above for the transfer of control signal commands and the electrical connections for the transfer of audio signals.
According to the technical scheme, on the basis of a conventional television board card, a professional sound effect digital processing chip is integrated, and two paths of sound amplification modes are adopted for output and respectively correspond to the loudspeaker A and the loudspeaker B. The sound corresponding to the loudspeaker A is processed by the SOC on the board and then is output through the power amplifier IC A; the B loudspeaker correspond sound by special audio chip DSP processing, can carry out professional audio regulation, and relative A loudspeaker's single power amplifier, the power amplifier ICB that B loudspeaker correspond adopts BTL formula framework, enlargies the processing to controlling sound channel sound respectively, can increase output by a wide margin.
The utility model discloses a theory of operation:
when a user accesses an external signal source, if the user is a digital or analog audio source, the SOC and the DSP can be respectively and simultaneously accessed, and the user uses external control equipment (such as a remote controller) to operate according to a use scene and requirements to select which channel sound is respectively or simultaneously played by the A loudspeaker and the B loudspeaker in the current state. When other signals including sound such as USB, HDMI and the like are input into the external signal source, the SOC processes the signals, demodulates the sound and outputs the sound, and a user selects to play the sound under the channel by using the A loudspeaker and the B loudspeaker respectively or simultaneously.
When the A loudspeaker is used for playing sound, the state of the whole board card is consistent with that of the conventional board card at present, when the B loudspeaker is used for playing sound, a user can use the external control equipment to send an operation instruction to select a preset audio effect or a user-defined effect, and then I between the SOC and the DSP is used for controlling the audio output of the audio player 2 C, communication is carried out to complete the user instruction requirement, and the DSP can also carry out secondary processing treatment on the audio signal output by the SOC to generate a unique sound effect or strengthen a specific sound effect. Meanwhile, the user can visually see the related parameters and settings through the television screen.
Therefore, the utility model discloses can satisfy specific crowd to the special demand of audio frequency effect when watching TV, satisfy specific occasion and have the requirement of space restriction to TV and peripheral accessory, and reduce the dependence of TV integrated circuit board to the peripheral performance.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A television board card with two-way audio drive is characterized in that,
when the external signal source comprises a digital audio source and an analog audio source, the television board card comprises:
an SOC chip for receiving an external signal source;
the sound effect DSP chip is used for receiving an external signal source;
the external control equipment is electrically connected with the SOC chip, and the SOC chip is in communication connection with the sound effect DSP chip;
an A horn electrically connected to the SOC chip;
and the loudspeaker B is electrically connected with the sound effect DSP chip.
2. The television board with two-way audio drive of claim 1,
when the external signal source further comprises a signal containing sound obtained through a USB signal interface or an HDMI signal interface, the SOC chip is electrically connected with the sound effect DSP chip.
3. The television board with two-way audio drive of claim 1,
the digital audio source is connected with the SOC chip through a digital audio signal interface;
the analog audio source is connected with the sound effect DSP chip through an analog audio signal interface.
4. The television board card with two-way audio drive according to claim 1, wherein the SOC chip and the sound effect DSP chip are connected through I 2 C or UART communication mode communication connection.
5. The television board card with two-way audio drive according to claim 1, wherein the sound effect DSP chip is a chip with model number DU 561.
6. The television board with two-way audio drive of claim 1, wherein the external control device is electrically connected to the SOC chip through an external control signal interface;
wherein the external control signal interface includes: WIFI signal interface, bluetooth signal interface, mouse signal interface, IR signal interface.
7. The television board card with the two-way audio drive as claimed in claim 1, wherein the SOC chip is connected with the a left horn interface and the a right horn interface through a power amplifier ICA, respectively, and the a left horn interface and the a right horn interface are connected with the a left horn and the a right horn, respectively.
8. The television board card with the two-way audio drive according to claim 1, wherein the power amplifier ICB corresponding to the B-horn is in a BTL type architecture.
9. The television board with the dual-channel audio driver according to claim 8, wherein the audio DSP chip is connected with the left power amplifier ICB and the right power amplifier ICB respectively, the left power amplifier ICB and the right power amplifier ICB are connected with the left horn interface B and the right horn interface B respectively, and the left horn interface B and the right horn interface B are connected with the left horn interface B and the right horn interface B respectively.
10. The television board card with the two-way audio drive according to any one of claims 1 to 9, wherein the SOC chip is electrically connected with a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221508568.0U CN217406650U (en) | 2022-06-16 | 2022-06-16 | Television board card with double-channel audio drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221508568.0U CN217406650U (en) | 2022-06-16 | 2022-06-16 | Television board card with double-channel audio drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217406650U true CN217406650U (en) | 2022-09-09 |
Family
ID=83148479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221508568.0U Active CN217406650U (en) | 2022-06-16 | 2022-06-16 | Television board card with double-channel audio drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217406650U (en) |
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2022
- 2022-06-16 CN CN202221508568.0U patent/CN217406650U/en active Active
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