CN211352321U - Live broadcast sound card with decoding and recording functions - Google Patents
Live broadcast sound card with decoding and recording functions Download PDFInfo
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- CN211352321U CN211352321U CN202020464208.XU CN202020464208U CN211352321U CN 211352321 U CN211352321 U CN 211352321U CN 202020464208 U CN202020464208 U CN 202020464208U CN 211352321 U CN211352321 U CN 211352321U
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Abstract
The utility model discloses a live sound card with decode recording function, including the sound card chip, the sound card chip includes DSP treater, first analog-to-digital converter, second analog-to-digital converter, third analog-to-digital converter, digital analog converter and bluetooth input unit, digital analog converter is connected with decoder and output signal amplification processor respectively, the decoder is connected with USB interface unit and TF card and SD card interface unit, the decoder with first analog-to-digital converter connects, the decoder be used for with the audio signal of digital analog converter input converts digital signal to and generates the audio format file that can forever preserve. The utility model discloses can interpret WAV, WMA, MP3 audio file format, can convert audio signal into digital signal and generate MP3 format file and save to USB flash disk or SD card or TF card, satisfy different consumers' user demand.
Description
Technical Field
The utility model relates to a sound card, concretely relates to live sound card with function is recorded in decoding.
Background
The live sound card plays a role in transmitting sound data between the audio equipment and live software, and can also perform sound processing such as sound mixing and the like so as to ensure that the live effect is the best. However, the existing live broadcast sound card cannot convert the audio signal into a digital signal and generate an MP3 format file for permanent storage, which brings great inconvenience to users and fails to meet the use requirements of consumers. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a convenient to use's live sound card that has the function of recording of decoding.
The utility model discloses a realize through following technical scheme:
the utility model provides a live sound card with decode record function, includes the sound card chip, the sound card chip includes DSP treater, first analog-to-digital converter, second analog-to-digital converter, third analog-to-digital converter, digital analog converter and bluetooth input unit, the DSP treater respectively with first analog-to-digital converter, second analog-to-digital converter, third analog-to-digital converter, digital analog converter and bluetooth input unit are connected, digital analog converter is connected with decoder and output signal amplification processor respectively, the decoder is connected with USB interface unit and TF card and SD card interface unit, the decoder with first analog-to-digital converter connects, the decoder is used for with the audio signal of digital analog converter input converts digital signal into and generates the audio format file that can save forever.
Further, the first analog-to-digital converter is connected with a music input interface unit.
Furthermore, the second analog-to-digital converter is connected with a mobile phone recording and live broadcasting interface unit.
Further, the third analog-to-digital converter is connected with an input signal amplification processor, and the input signal amplification processor is connected with a microphone input interface unit.
Further, the output signal amplification processor is connected with a signal output interface unit.
Further, the sound card chip is a BP1048B2 chip.
Further, the decoder is an AC3090 decoder.
Furthermore, the decoder is connected with an AD key control unit.
Furthermore, the decoder is used for decoding the audio format file input by the USB interface unit and the TF card and SD card interface unit to generate an audio signal and outputting the audio signal to the first analog-to-digital converter.
Further, the decoder may decode WAV, WMA, MP3 audio file formats.
Compared with the prior art, the utility model discloses a digital analog converter is connected with the decoder, and the decoder is connected with USB interface unit and TF card and SD card interface unit, and the audio signal that the decoder was inputed digital analog converter converts digital signal and generates the audio format file that can save forever to save in USB flash disk or TF card or SD, make live broadcast sound card have and convert audio signal to digital signal and generate the function that audio format file saves forever, and convenient to use satisfies consumer's user demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a live broadcast sound card with decoding and recording functions of the present invention;
FIG. 2 is a schematic diagram of pin connection of the sound card chip of the present invention;
FIG. 3 is a schematic diagram of pin connection of the decoder of the present invention;
fig. 4 is a circuit diagram of the USB interface unit of the present invention;
FIG. 5 is a circuit diagram of the interface unit of the TF card and the SD card of the present invention;
fig. 6 is a circuit diagram of the AD key control unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 1 to fig. 6 the utility model discloses a live sound card with decode recording function, including the sound card chip, the sound card chip includes the DSP treater, first analog to digital converter, second analog to digital converter, third analog to digital converter, digital to analog converter bluetooth input unit, the DSP treater respectively with first analog to digital converter, second analog to digital converter, third analog to digital converter, digital to analog converter and bluetooth input unit connect, digital to analog converter is connected with decoder and output signal amplification treater respectively, the decoder is connected with USB interface unit and TF card and SD card interface unit, the decoder is connected with first analog to digital converter, the decoder is used for converting the audio signal that digital to analog converter input into digital signal and generates the audio format file that can forever preserve. The audio-frequency conversion device is connected with a decoder through a digital-to-analog converter, the decoder is connected with a USB interface unit and a TF card and SD card interface unit, the decoder converts audio signals input by the digital-to-analog converter into digital signals and generates audio format files which can be stored permanently, and the audio format files are stored in a U disk, the TF card or the SD card, so that the live broadcast sound card has the function of converting the audio signals into the digital signals and generating the audio format files which are stored permanently, the use is convenient, and the use requirements of consumers are met.
The first analog-to-digital converter is connected with a music input interface unit and is used for inputting accompaniment music.
The second analog-to-digital converter is connected with a mobile phone recording and live broadcasting interface unit, and is favorable for the mutual connection of the second analog-to-digital converter, the mobile phone and the headset.
The third analog-to-digital converter is connected with an input signal amplification processor, and the input signal amplification processor is connected with a microphone input interface unit and used for inputting the sound of a microphone.
The output signal amplification processor is connected with a signal output interface unit and is used for connecting sound equipment such as a loudspeaker, a loudspeaker and the like.
As a specific embodiment, the sound card chip is a BP1048B2 chip.
As a specific embodiment, the decoder is an AC3090 decoder.
The decoder is connected with an AD key control unit for controlling the operation of the decoder.
The decoder is used for decoding the audio format files input by the USB interface unit and the TF card and SD card interface unit to generate audio signals and outputting the audio signals to the first analog-to-digital converter.
The decoder may decode WAV, WMA, MP3 audio file formats.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a live sound card with record function decodes which characterized in that: the sound card chip comprises a DSP processor, a first analog-to-digital converter, a second analog-to-digital converter, a third analog-to-digital converter, a digital-to-analog converter and a Bluetooth input unit, wherein the DSP processor is respectively connected with the first analog-to-digital converter, the second analog-to-digital converter, the third analog-to-digital converter and the Bluetooth input unit, the digital-to-analog converter is respectively connected with a decoder and an output signal amplification processor, the decoder is connected with a USB interface unit, a TF card and an SD card interface unit, and is connected with the first analog-to-digital converter and used for converting audio signals input by the digital-to-analog converter into digital signals and generating audio format files which can be stored permanently.
2. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the first analog-to-digital converter is connected with a music input interface unit.
3. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the second analog-to-digital converter is connected with a mobile phone recording and live broadcasting interface unit.
4. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the third analog-to-digital converter is connected with an input signal amplification processor, and the input signal amplification processor is connected with a microphone input interface unit.
5. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the output signal amplification processor is connected with a signal output interface unit.
6. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the sound card chip is a BP1048B2 chip.
7. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the decoder is an AC3090 decoder.
8. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the decoder is connected with an AD key control unit.
9. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the decoder is used for decoding the audio format files input by the USB interface unit and the TF card and SD card interface unit to generate audio signals and outputting the audio signals to the first analog-to-digital converter.
10. The live sound card with decoding and recording functions as claimed in claim 1, wherein: the decoder may decode WAV, WMA, MP3 audio file formats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464208.XU CN211352321U (en) | 2020-04-02 | 2020-04-02 | Live broadcast sound card with decoding and recording functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464208.XU CN211352321U (en) | 2020-04-02 | 2020-04-02 | Live broadcast sound card with decoding and recording functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211352321U true CN211352321U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020464208.XU Active CN211352321U (en) | 2020-04-02 | 2020-04-02 | Live broadcast sound card with decoding and recording functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211352321U (en) |
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2020
- 2020-04-02 CN CN202020464208.XU patent/CN211352321U/en active Active
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