CN217335546U - DSP digital power amplifier - Google Patents
DSP digital power amplifier Download PDFInfo
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- CN217335546U CN217335546U CN202220488317.4U CN202220488317U CN217335546U CN 217335546 U CN217335546 U CN 217335546U CN 202220488317 U CN202220488317 U CN 202220488317U CN 217335546 U CN217335546 U CN 217335546U
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- 230000003993 interaction Effects 0.000 claims abstract description 15
- 230000005236 sound signal Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000010295 mobile communication Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000003321 amplification Effects 0.000 abstract description 5
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 5
- 238000012905 input function Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to a power amplifier field, concretely relates to DSP digital power amplifier, including the interface module that is used for the extension interface, be used for handling and retransmitting audio signal's host system, be used for carrying out the DSP module of handling and be used for signal amplification's power amplifier module to audio signal, interface module with host system connects, host system with the DSP module is connected, the DSP module with power amplifier module connects. The interface is expanded by arranging the interface module, so that the audio-visual sound-source-adjustable microphone is suitable for various audio-source inputs, the main control module is also arranged, more functions, such as a man-machine interaction function, a wireless transceiving function, a sound effect adjusting function and the like, are expanded by utilizing the expansibility of the main control module, and analog signals can be converted by utilizing the main control module, so that the analog signals can be directly input by the microphone; the utility model discloses increased multiple sound source input function on present DSP digital power amplifier's basis, strengthened expansibility, be applicable to current application scene more.
Description
Technical Field
The utility model relates to a power amplifier field specifically is a DSP digital power amplifier.
Background
The DSP power amplifier is a power amplifier which adopts a DSP chip and optimizes and manages audio parameters through a digital signal processing algorithm, the DSP digital power amplifier is more and more widely popularized, and the DSP digital power amplifier is also applied to automobiles due to high efficiency. However, the existing DSP power amplifier has single function, lacks an expansion mode and has less selection of sound sources.
Disclosure of Invention
In view of this, the present invention provides a DSP digital power amplifier, which can solve the problems of single function, lack of expansion and less selection of sound source of the existing DSP digital power amplifier.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model discloses a DSP digital power amplifier, including the interface module that is used for expansion interface, be used for handling and transmit audio signal's host system, be used for carrying out the DSP module of handling and be used for signal amplification's power amplifier module to audio signal, interface module with host system connects, host system with the DSP module is connected, the DSP module with power amplifier module connects.
Optionally, the interface module includes one or more of a TRS interface unit, an RCA interface unit, an XLR interface unit, an AES and EBU interface unit, an S and PDIF interface unit, a coaxial interface unit, an optical fiber interface unit, and a USB interface.
Optionally, the power amplifier further includes a mobile communication module for receiving and transmitting mobile network data and a wireless local area network module for receiving and transmitting wireless local area network data, and the mobile communication module and the wireless local area network module are connected to the main control module.
Optionally, the power amplifier further includes a sound effect IC for adjusting an audio signal, and the sound effect IC is connected to the main control module and the DSP module.
Optionally, the power amplifier further includes a boost module for boosting voltage, an input end of the boost module is connected to an external power supply, the power amplifier module is connected to an external speaker, and an output end of the boost module is connected to the external speaker.
Optionally, the power amplifier further includes an interaction module for human-computer interaction, and the interaction module is connected to the main control module.
The utility model has the advantages that: the utility model discloses a DSP digital power amplifier expands the interface through setting up interface module to adapt to multiple sound source input, still sets up host system simultaneously, utilizes host system's expansibility to expand more functions, such as man-machine interaction function, wireless receiving and dispatching function, audio regulation function etc. utilize host system also can convert analog signal, make the utility model discloses can directly input analog signal; the utility model discloses increased multiple sound source input function on present DSP digital power amplifier's basis, strengthened expansibility, be applicable to current application scene more.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a detailed schematic view of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
As shown in fig. 1-2: the DSP digital power amplifier of the embodiment comprises an interface module for expanding an interface, a main control module for processing and forwarding an audio signal, a DSP module for processing the audio signal and a power amplification module for amplifying a signal, wherein the interface module is connected with the main control module, the main control module is connected with the DSP module, and the DSP module is connected with the power amplification module.
Specifically, the main control module may be a single chip with analog-to-digital conversion, a processor, a host, and the like, and is mainly used for converting an analog signal into a digital signal, forwarding the digital signal, and the like.
In some embodiments, the interface module includes one or more of a TRS interface unit, an RCA interface unit, an XLR interface unit, an AES/EBU interface unit, an S/PDIF interface unit, a coaxial interface unit, an optical fiber interface unit, and a USB interface, the interface units are all connected to the main control module, and different types of audio signals are accessed through the corresponding interface units, wherein the TRS interface unit, the RCA interface unit, and the XLR interface unit access analog signals, are converted into digital signals through the main control module, and then are forwarded to the DSP module for processing, and then are amplified through the power amplifier module, and are output to an external speaker for playing; the AES/EBU interface unit, the S/PDIF interface unit, the coaxial interface unit, the optical fiber interface unit and the USB interface access digital signals, and the main control module directly forwards the signals to the DSP module after simple processing.
The treatment method comprises the following steps: the audio IC is connected to the master control module and the DSP module for amplification and output
In some embodiments, the power amplifier further comprises a mobile communication module for receiving and transmitting mobile network data and a wireless local area network module for receiving and transmitting wireless local area network data, and the mobile communication module and the wireless local area network module are connected with the main control module; in some cases, the audio file needs to be downloaded by using a mobile network and a wireless local area network, so that the mobile communication module and the wireless local area network module are more convenient to use.
In some embodiments, the power amplifier further includes a boost module for boosting voltage, an input terminal of the boost module is connected to an external power source, the power amplifier module is connected to the external horn, and an output terminal of the boost module is connected to the external horn. In some cases, the horn needs to be driven by a boosted voltage to exert the performance of the horn, so that the boosting module is arranged to ensure the performance of the external horn
In some embodiments, the power amplifier further includes an interaction module for human-computer interaction, the interaction module is connected to the main control module, specifically, the interaction module is a touch screen, and the specific playing parameters can be set through the interaction module, and the specific parameters are displayed through the interaction module.
To sum up, the DSP digital power amplifier of the present invention is provided with an interface module expansion interface to adapt to various sound source inputs, and also provided with a main control module to expand more functions, such as man-machine interaction function, wireless transceiving function, sound effect adjusting function, etc., by using the expansibility of the main control module, and also convert analog signals by using the main control module, so that the present invention can directly input analog signals; the utility model discloses increased multiple sound source input function on present DSP digital power amplifier's basis, strengthened expansibility, be applicable to current application scene more.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A DSP digital power amplifier, characterized by: the audio signal processing system comprises an interface module used for expanding an interface, a main control module used for processing and forwarding an audio signal, a DSP module used for processing the audio signal and a power amplifier module used for amplifying the signal, wherein the interface module is connected with the main control module, the main control module is connected with the DSP module, and the DSP module is connected with the power amplifier module.
2. The DSP digital power amplifier of claim 1, wherein: the interface module comprises one or more of a TRS interface unit, an RCA interface unit, an XLR interface unit, an AES and EBU interface unit, an S and PDIF interface unit, a coaxial interface unit, an optical fiber interface unit and a USB interface.
3. The DSP digital power amplifier of claim 1, wherein: the power amplifier also comprises a mobile communication module for receiving and transmitting mobile network data and a wireless local area network module for receiving and transmitting wireless local area network data, wherein the mobile communication module and the wireless local area network module are connected with the main control module.
4. The DSP digital power amplifier of claim 1, wherein: the power amplifier further comprises a sound effect IC used for adjusting audio signals, and the sound effect IC is connected with the main control module and the DSP module.
5. The DSP digital power amplifier of claim 1, wherein: the power amplifier further comprises a boosting module used for boosting voltage, the input end of the boosting module is connected with an external power supply, the power amplifier module is connected with an external horn, and the output end of the boosting module is connected with the external horn.
6. The DSP digital power amplifier of claim 1, wherein: the power amplifier also comprises an interaction module for man-machine interaction, and the interaction module is connected with the main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220488317.4U CN217335546U (en) | 2022-03-07 | 2022-03-07 | DSP digital power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220488317.4U CN217335546U (en) | 2022-03-07 | 2022-03-07 | DSP digital power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335546U true CN217335546U (en) | 2022-08-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220488317.4U Active CN217335546U (en) | 2022-03-07 | 2022-03-07 | DSP digital power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335546U (en) |
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2022
- 2022-03-07 CN CN202220488317.4U patent/CN217335546U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A DSP digital power amplifier Effective date of registration: 20240102 Granted publication date: 20220830 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING TIANCHUANG SHENGSHI DIGITAL TECHNOLOGY Co.,Ltd. Registration number: Y2023990000648 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |