CN210381283U - External vehicle-mounted sound effect device - Google Patents
External vehicle-mounted sound effect device Download PDFInfo
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- CN210381283U CN210381283U CN201920971837.9U CN201920971837U CN210381283U CN 210381283 U CN210381283 U CN 210381283U CN 201920971837 U CN201920971837 U CN 201920971837U CN 210381283 U CN210381283 U CN 210381283U
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Abstract
An external vehicle-mounted sound effect device comprises a DSP sound processing unit, wherein an FLSH memory and an effect mode key are connected to the DSP sound processing unit; the power supply unit is electrically connected with a +5V power supply channel of the USB interface so as to obtain electric energy from the vehicle-mounted USB power supply interface; the DSP sound processing unit is connected with an audio input interface and/or an audio wireless input module, and the audio input interface and/or the audio wireless input module are respectively used for being in communication connection with the mobile terminal and receiving an audio signal of the mobile terminal; DSP sound processing unit is connected with audio output interface and/or audio frequency wireless output module, and audio output interface and/or audio frequency wireless output module are used for being connected with the on-vehicle stereo set unit communication of car, the utility model discloses need not to reequip the car, utilize current on-vehicle communication mode and on-vehicle stereo set unit communication to be connected the back, can play the music of oneself liking through the audio of difference to obtain better sound and experience.
Description
Technical Field
The utility model relates to a vehicle-mounted sound technical field, concretely relates to on-vehicle audio device of circumscribed.
Background
With the continuous development of social science and technology, the living standard of people is continuously improved, and more families have automobiles. Moreover, the automobile has gradually become a movable infotainment platform, and most automobiles in the audio playing systems of the automobile do not have sound effect systems, so that different requirements of people on music cannot be met by directly playing sound.
In order to enable a vehicle-mounted audio playing system without a sound effect system to have high-quality sound effects, two implementation modes mainly exist at present, wherein the first mode is to change an audio playing part of an automobile after installation; the second is to provide a high quality sound source. However, the two modes have disadvantages, the former needs to modify the vehicle, which is not only troublesome, but also has safety problem; the latter cannot provide a high-quality sound source for the car owner to listen to music in time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned problem that prior art exists, provide an on-vehicle audio device of circumscribed.
In order to achieve the above object, the utility model provides an on-vehicle audio device of circumscribed, include:
the DSP sound processing unit is used for processing audio signals according to preset sound effects and is connected with an FLSH memory and a sound effect mode key;
the power supply unit is electrically connected with the DSP sound processing unit to provide electric energy;
the power supply unit is electrically connected with a +5V power supply channel of the USB interface so as to obtain electric energy from the vehicle-mounted USB power supply interface;
the DSP sound processing unit is connected with an audio input interface and/or an audio wireless input module, and the audio input interface and/or the audio wireless input module are respectively used for being in communication connection with a mobile terminal and receiving an audio signal of the mobile terminal;
the DSP sound processing unit is connected with an audio output interface and/or an audio wireless output module, and the audio output interface and/or the audio wireless output module are used for being in communication connection with a vehicle-mounted sound unit of an automobile so as to output audio signals processed by the DSP sound processing unit to the vehicle-mounted sound unit.
As a further preferred aspect of the present invention, the DSP sound processing unit is connected to an audio transmission unit, the audio input interface and/or the audio wireless input module respectively passes through the audio transmission unit and the DSP sound processing unit.
As a further preferred scheme of the utility model, audio frequency wireless input module is bluetooth module or WIFI module, audio frequency wireless output module is bluetooth module or FM emission module.
As a further preferred aspect of the present invention, the power supply unit further comprises a bluetooth module, a WIFI module, and an FM transmitter module electrically connected to provide electric energy.
As a further preferred scheme of the utility model, as be connected with the SD card slot on audio frequency wireless input module's the bluetooth module.
As a further preferred embodiment of the present invention, the audio input interface is a light input interface, a TYPEC interface or a 3.5 audio interface.
As a further preferred proposal of the utility model, the audio output interface is a USB interface or an AUX interface,
as a further preferred aspect of the present invention, when the audio output interface is a USB interface, the DSP sound processing unit is connected to the data transmission channel of the USB interface through the USB audio transmission unit.
As a further preferred scheme of the present invention, the intelligent terminal is a mobile phone, a notebook computer, an ipad or an MP 3.
The utility model discloses an on-vehicle audio device of circumscribed, through adopting above-mentioned technical scheme, can pass through audio input interface or audio frequency wireless input module with the music on mobile terminal such as cell-phone and transmit this device, after the audio processing of this device, the audio system of car is given in audio output interface or audio frequency wireless output module transmission, and broadcast in the audio system of car, and audio output interface or audio frequency wireless output module can have communication interface or communication module butt joint with the vehicle now, need not to reequip original automobile system promptly, utilize current on-vehicle communication mode and vehicle-mounted communication to be connected the back, alright convenient music of liking oneself is broadcast through different audios and is come out, thereby better sound experience has been obtained.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of an example provided by the external vehicle-mounted audio device of the present invention.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
As shown in fig. 1, the external car audio device includes:
the DSP sound processing unit is used for processing audio signals according to preset sound effects, an FLSH memory and a sound effect mode key are further connected to the DSP sound processing unit, the FLSH memory is used for storing sound effect processing related software, the DSP sound processing unit performs sound effect processing on the input audio signals through the related software, and the sound effect mode key is used for switching and selecting sound effect processing modes;
the power supply unit is electrically connected with the DSP sound processing unit to provide electric energy;
the power supply unit is electrically connected with a +5V power supply channel of the USB interface to obtain electric energy from the vehicle-mounted USB power supply interface, and the power supply unit can convert a DC 5V power supply from the vehicle-mounted USB power supply interface into DC3.3V;
the DSP sound processing unit is connected with an audio input interface and/or an audio wireless input module, and the audio input interface and/or the audio wireless input module are respectively used for being in communication connection with a mobile terminal and receiving an audio signal of the mobile terminal;
the DSP sound processing unit is connected with an audio output interface and/or an audio wireless output module, the audio output interface and/or the audio wireless output module are used for being in communication connection with a vehicle-mounted sound unit of an automobile so as to output audio signals processed by the DSP sound processing unit to the vehicle-mounted sound unit, and the automobile is in communication butt joint with the audio output interface or the audio wireless output module of the device by adopting the existing communication interface or the existing communication module without modifying the automobile;
in specific implementation, the DSP sound processing unit is connected to an audio transmission unit, and the audio input interface and/or the audio wireless input module are connected to the DSP sound processing unit through the audio transmission unit, respectively.
In specific implementation, the audio wireless input module is a bluetooth module or a WIFI module, and the audio wireless output module is a bluetooth module or an FM transmission module, where it should be noted that the audio wireless input module can communicate with the mobile terminal by using the bluetooth module or the WIFI module to receive an audio signal from the mobile phone, and when the bluetooth or WIFI communication is used, the corresponding intelligent terminal also has a bluetooth communication function or a WIFI communication function; the audio wireless output module can adopt a Bluetooth module or an FM transmitting module to communicate with the vehicle-mounted communication system so as to transmit audio signals processed by sound effects to a vehicle-mounted sound unit for playing, and when the Bluetooth or FM communication is adopted, the corresponding vehicle-mounted system also has a Bluetooth communication function or an FM communication function; in addition, when the audio wireless input module and the audio wireless output module both adopt bluetooth communication, the bluetooth modules adopted by the audio wireless input module and the audio wireless output module can be the same bluetooth module or two independent bluetooth modules.
The power supply unit with bluetooth module WIFI module FM emission module is electric connection respectively in order to provide the electric energy, DC3.3V power supply that converts through the power supply unit is as bluetooth module, WIFI module, FM emission module's operating voltage.
In specific implementation, an SD card slot is further connected to the bluetooth module as the audio wireless output module, the SD card slot is used for inserting an SD card storing music files, and when the bluetooth module is not in communication connection with the intelligent terminal, the music files in the SD card are played by default. In addition, the SD card is connected to the Bluetooth module through the SD card slot and is not connected to the DSP sound effect unit, and the mature mechanism for identifying the Bluetooth audio and the SD card audio of the Bluetooth module is utilized, so that the processing difficulty of the DSP unit can be reduced. Therefore, when the bluetooth module as the audio wireless output module is connected to the intelligent terminal, the music file transmitted by the intelligent terminal is played, and when the bluetooth module as the audio wireless output module is not connected to the intelligent terminal, the music file in the SD card is played by default.
In a specific implementation, the audio input interface is a light input interface, a TYPEC interface, or a 3.5 audio interface. The audio output interface is a USB interface or an AUX interface, and the input and the output adopt various wired connection modes, so that a user can conveniently select the audio output interface according to different requirements, and the audio output interface is flexible and convenient. The power supply unit can adopt a plurality of common power supply modes, such as a lithium battery, a cigarette lighter port or a USB interface for power supply and the like.
It should be noted that the USB interface as the audio output interface and the USB interface connected to the power supply unit are the same USB interface, and the data transmission channel and the power channel of the USB interface are respectively utilized. When the audio output interface is a USB interface, the DSP sound processing unit is connected with the data transmission channel of the USB interface through the USB audio transmission unit so as to transmit the processed audio signal to the data transmission channel of the USB interface through the USB audio transmission unit.
In specific implementation, the intelligent terminal is a mobile phone, a notebook computer, an ipad or an MP3, and may also be other electronic products.
In the embodiment shown in fig. 1, the intelligent terminal is a mobile phone, the bluetooth module of the device is in bluetooth communication with the mobile phone, and receives the audio signal of the music file sent by the mobile phone, the audio signal is transmitted to the DSP sound processing unit through the audio transmission unit and processed according to the preset sound effect, the audio signal after sound effect processing is output through the USB interface, the vehicle-mounted sound unit receives the audio signal after sound effect processing through the vehicle-mounted USB power supply interface and plays the audio signal, and the user can hear the music with the specific sound effect.
It should be noted that the intelligent terminal may further be in communication connection with the intelligent terminal through any one of a light communication interface, a TYPEC interface, a 3.5 audio interface, and a WIFI wireless communication mode, so as to transmit the music file of the intelligent terminal to the DSP sound processing unit for sound processing. The audio frequency after the sound effect processing can be transmitted to the vehicle-mounted sound unit through an AUX interface of wired communication and a Bluetooth module or an FM transmitting module of wireless communication, and music is played.
The utility model discloses an on-vehicle audio device of circumscribed for with mobile terminal's music file pass through after the audio is handled retransmission broadcast for on-vehicle stereo set unit, utilize current communication interface of vehicle or communication module, make and need not to reequip the car, utilize current on-vehicle communication mode and vehicle-mounted communication to be connected the back, alright conveniently play the music of liking on the intelligent terminal of oneself through different audios in on-vehicle stereo set unit, thereby obtained better sound and experienced.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (9)
1. An on-vehicle audio device of circumscribed, its characterized in that includes:
the DSP sound processing unit is used for processing audio signals according to preset sound effects and is connected with an FLSH memory and a sound effect mode key;
the power supply unit is electrically connected with the DSP sound processing unit to provide electric energy;
the DSP sound processing unit is connected with an audio input interface and/or an audio wireless input module, and the audio input interface and/or the audio wireless input module are respectively used for being in communication connection with a mobile terminal and receiving an audio signal of the mobile terminal;
the DSP sound processing unit is connected with an audio output interface and/or an audio wireless output module, and the audio output interface and/or the audio wireless output module are used for being in communication connection with a vehicle-mounted sound unit of an automobile so as to output audio signals processed by the DSP sound processing unit to the vehicle-mounted sound unit.
2. The external vehicle sound effect device according to claim 1, wherein the DSP sound processing unit is connected to an audio transmission unit, and the audio input interface and/or the audio wireless input module are connected to the DSP sound processing unit through the audio transmission unit, respectively.
3. The external vehicle sound effect device according to claim 2, wherein the audio wireless input module is a bluetooth module or a WIFI module, and the audio wireless output module is a bluetooth module or an FM transmission module.
4. The external vehicle sound effect device according to claim 3, wherein the power supply unit is further electrically connected to the bluetooth module, the WIFI module, and the FM transmitter module respectively to provide electric energy.
5. The external vehicle audio device according to claim 3 or 4, wherein an SD card slot is connected to the Bluetooth module as the audio wireless input module.
6. The external vehicle audio device according to claim 1, wherein the audio input interface is a light (t) ing interface, a TYPEC interface, or a 3.5 audio interface.
7. The external vehicle sound effect device according to claim 1, wherein the audio output interface is a USB interface or an AUX interface.
8. The external vehicle audio device according to claim 7, wherein when the audio output interface is a USB interface, the DSP sound processing unit is connected to a data transmission channel of the USB interface via a USB audio transmission unit.
9. The external vehicle audio device according to claim 8, further comprising: and the USB interface is used for being connected with the vehicle-mounted USB power supply interface or used as an audio output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971837.9U CN210381283U (en) | 2019-06-25 | 2019-06-25 | External vehicle-mounted sound effect device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971837.9U CN210381283U (en) | 2019-06-25 | 2019-06-25 | External vehicle-mounted sound effect device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210381283U true CN210381283U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920971837.9U Expired - Fee Related CN210381283U (en) | 2019-06-25 | 2019-06-25 | External vehicle-mounted sound effect device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210381283U (en) |
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2019
- 2019-06-25 CN CN201920971837.9U patent/CN210381283U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210625 |