CN213586030U - Converter for converting HDMI audio frequency into Bluetooth - Google Patents
Converter for converting HDMI audio frequency into Bluetooth Download PDFInfo
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- CN213586030U CN213586030U CN202021944200.XU CN202021944200U CN213586030U CN 213586030 U CN213586030 U CN 213586030U CN 202021944200 U CN202021944200 U CN 202021944200U CN 213586030 U CN213586030 U CN 213586030U
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Abstract
The utility model discloses a converter for converting HDMI audio frequency into Bluetooth, which comprises an HDMI audio frequency separation chip, an SPDIF output conversion module, an audio frequency analog signal-to-Bluetooth transmitting signal conversion module and a Bluetooth communication module; the HDMI audio separation chip is connected with the SPDIF conversion output module; the HDMI audio separation chip and the SPDIF conversion output module are used for intercepting HDMI audio signals in HDMI audio and video output signals; the SPDIF conversion output module is connected with the audio analog signal-to-Bluetooth transmission signal module; the audio analog signal-to-Bluetooth transmitting signal module is used for converting the HDMI audio signal into a Bluetooth transmitting signal; the Bluetooth communication module is connected with the audio analog signal-to-Bluetooth transmitting signal module, and the Bluetooth communication module is used for synchronously playing the Bluetooth transmitting signal through a Bluetooth audio playing device connected with Bluetooth. The utility model provides a converter has realized the audio signal separation broadcast alone with among the audio-visual output signal of HDMI, and has realized simply fast.
Description
Technical Field
The utility model relates to a converter technical field of HDMI audio frequency commentaries on classics bluetooth especially relates to a converter of HDMI audio frequency commentaries on classics bluetooth.
Background
HDMI is a High Definition Multimedia Interface (HDMI), and is a fully digital video and audio transmission Interface, where the output of HDMI includes video and audio signals, and HDMI is usually connected to a television, a set-top box, a DVD player, a personal computer, and other devices for playing, but in the prior art, the video signal and the audio signal in the output signal of HDMI are not separated, and when the output device is not equipped with a speaker or needs to output the audio signal to other devices for playing, it cannot be realized or cannot be realized quickly and simply.
SUMMERY OF THE UTILITY MODEL
The utility model provides a converter of HDMI audio frequency to bluetooth aims at solving the problem that the video signal and the audio signal of current HDMI output can't separately play.
In order to achieve the above object, the present invention provides a converter for converting HDMI audio to bluetooth, wherein the converter comprises an HDMI audio separation chip, an SPDIF output module, an audio analog signal to bluetooth transmission signal module, and a bluetooth communication module; the HDMI audio separation chip is connected with the SPDIF conversion output module; the HDMI audio separation chip and the SPDIF conversion output module are used for intercepting HDMI audio signals in HDMI audio and video output signals; the SPDIF conversion output module is connected with the audio analog signal-to-Bluetooth transmission signal module; the audio analog signal-to-Bluetooth transmitting signal module is used for converting the HDMI audio signal into a Bluetooth transmitting signal; the Bluetooth communication module is connected with the audio analog signal-to-Bluetooth transmitting signal module, and the Bluetooth communication module is used for synchronously playing the Bluetooth transmitting signal through a Bluetooth audio playing device connected with Bluetooth.
Preferably, the HDMI audio separation chip includes an HDMI audio decoder, and the HDMI audio decoder is configured to decode and intercept an HDMI audio signal of the HDMI audio-video output signal.
Preferably, the converted SPDIF output module is a digital-to-digital audio interface output module, and the HDMI audio signal is converted into an audio analog signal by the converted SPDIF output module.
Preferably, the converter comprises an HDMI interface and is connected with an HDMI video output device through the HDMI interface;
preferably, the converter is provided with power input by the HDMI video output device through the HDMI interface.
Preferably, the converter further comprises an external 5V power input interface.
Compared with the prior art, the utility model provides a converter of HDMI audio frequency commentaries on classics bluetooth, through the HDMI audio frequency separation chip that sets up in the converter, change SPDIF output module and audio analog signal and change bluetooth emission signal module, realize changeing HDMI audio signal bluetooth emission signal, rethread bluetooth communication module connects audio playback equipment and carries out the synchronous broadcast of audio frequency, realized the audio signal separation broadcast alone in the audio-visual output signal of HDMI, and the implementation scheme is quick, simple, convenient.
Drawings
Fig. 1 is a schematic structural diagram of a converter for converting HDMI audio to bluetooth according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a converter for converting HDMI audio to bluetooth according to an embodiment of the present invention.
In the figure, 10, a converter; 11. an HDMI audio separation chip; 12. an SPDIF output module; 13. the module for converting the audio analog signal into a Bluetooth transmitting signal; 14. a Bluetooth communication module; 20. an HDMI video output device; 30. bluetooth audio playback device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in a converter 10 for converting HDMI audio into bluetooth provided in an embodiment of the present invention, the converter 10 includes an HDMI audio separation chip 11, a converted SPDIF output module 12, an audio analog signal-to-bluetooth transmission signal module 13, and a bluetooth communication module 14; the HDMI audio separation chip 11 is connected with the SPDIF conversion output module 12; the HDMI audio separation chip 11 and the SPDIF conversion output module 12 are used for intercepting HDMI audio signals in HDMI audio-video output signals; the HDMI audio separation chip 11 includes an HDMI audio decoder, and the HDMI audio decoder is configured to decode and intercept an HDMI audio signal of the HDMI audio-video output signal. The SPDIF conversion output module 12 is connected with the audio analog signal-to-Bluetooth transmission signal module 13; the converted SPDIF output module 12 is a digital-to-digital audio interface output module, and the HDMI audio signal is converted into an audio analog signal by the converted SPDIF output module 12; wherein SPDIF is a Digital audio Interface (Sony/Philips Digital Interface, SPDIF); the audio analog signal to bluetooth transmitting signal converting module 13 is configured to convert the HDMI audio signal converted into the audio analog signal into a bluetooth transmitting signal; the bluetooth communication module 14 is connected to the audio analog signal-to-bluetooth transmission signal conversion module 13, and the bluetooth communication module 14 is configured to perform synchronous playing on the bluetooth transmission signal through a bluetooth audio playing device 30 connected to a bluetooth device.
The converter 10 comprises an HDMI interface and is connected with an HDMI video output device 20 through the HDMI interface; the converter 10 is powered by the HDMI audiovisual output device 20 via the HDMI interface. The converter 10 further includes an external 5V power input interface, and if the power supply of the HDMI video output device 20 is insufficient, the converter 10 can also be connected to an external power supply through the power input interface for power input, thereby ensuring that the converter 10 can work normally. The HDMI video output device 20 may be any HDMI video output device.
The converter 10 is connected to the bluetooth audio playing device 30 through the bluetooth communication module 14, and the bluetooth audio playing device 30 may be any device such as a bluetooth headset or a bluetooth sound box, and the HDMI audio information is independently and synchronously played through the bluetooth audio playing device 30.
Referring to fig. 2, fig. 2 is a schematic circuit diagram of a converter for converting HDMI audio to bluetooth according to an embodiment of the present invention, wherein the IC1 is an HDMI audio separation chip, specifically, in this embodiment, an HDMI ARC chip EP91A2E is selected, and the chip can work independently only by providing +5V power.
Compared with the prior art, the utility model provides a converter of HDMI audio frequency commentaries on classics bluetooth, through the HDMI audio frequency separation chip that sets up in the converter, change SPDIF output module and audio analog signal and change bluetooth emission signal module, realize changeing HDMI audio signal bluetooth emission signal, rethread bluetooth communication module connects audio playback equipment and carries out the synchronous broadcast of audio frequency, realized the audio signal separation broadcast alone in the audio-visual output signal of HDMI, and the implementation scheme is quick, simple, convenient.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (6)
1. The converter for converting the HDMI audio into the Bluetooth is characterized by comprising an HDMI audio separation chip, an SPDIF output conversion module, an audio analog signal-to-Bluetooth transmitting signal module and a Bluetooth communication module; the HDMI audio separation chip is connected with the SPDIF conversion output module; the HDMI audio separation chip and the SPDIF conversion output module are used for intercepting HDMI audio signals in HDMI audio and video output signals; the SPDIF conversion output module is connected with the audio analog signal-to-Bluetooth transmission signal module; the audio analog signal-to-Bluetooth transmitting signal module is used for converting the HDMI audio signal into a Bluetooth transmitting signal; the Bluetooth communication module is connected with the audio analog signal-to-Bluetooth transmitting signal module, and the Bluetooth communication module is used for synchronously playing the Bluetooth transmitting signal through a Bluetooth audio playing device connected with Bluetooth.
2. The HDMI audio-to-Bluetooth converter according to claim 1, wherein the HDMI audio separation chip comprises an HDMI audio decoder, and the HDMI audio decoder is configured to decode and intercept an HDMI audio signal of the HDMI audiovisual output signal.
3. The HDMI audio-to-Bluetooth converter according to claim 1, wherein the SPDIF output module is a digital audio interface output module, and the HDMI audio signal is converted into an audio analog signal by the SPDIF output module.
4. The HDMI audio-to-Bluetooth converter of claim 1, wherein the converter comprises an HDMI interface, and is connected to an HDMI audiovisual output device through the HDMI interface.
5. The HDMI audio to Bluetooth converter of claim 4, wherein the converter provides power input from the HDMI audio output device through the HDMI interface.
6. The HDMI Audio to Bluetooth converter of claim 1, further comprising an external 5V power input interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021944200.XU CN213586030U (en) | 2020-09-08 | 2020-09-08 | Converter for converting HDMI audio frequency into Bluetooth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021944200.XU CN213586030U (en) | 2020-09-08 | 2020-09-08 | Converter for converting HDMI audio frequency into Bluetooth |
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| CN213586030U true CN213586030U (en) | 2021-06-29 |
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| CN202021944200.XU Active CN213586030U (en) | 2020-09-08 | 2020-09-08 | Converter for converting HDMI audio frequency into Bluetooth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116347413A (en) * | 2023-04-06 | 2023-06-27 | 深圳市亚昱科技有限公司 | Audio transmission device and method |
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2020
- 2020-09-08 CN CN202021944200.XU patent/CN213586030U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116347413A (en) * | 2023-04-06 | 2023-06-27 | 深圳市亚昱科技有限公司 | Audio transmission device and method |
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