CN210042179U - Vehicle-mounted audio system - Google Patents
Vehicle-mounted audio system Download PDFInfo
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- CN210042179U CN210042179U CN201920977134.7U CN201920977134U CN210042179U CN 210042179 U CN210042179 U CN 210042179U CN 201920977134 U CN201920977134 U CN 201920977134U CN 210042179 U CN210042179 U CN 210042179U
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Abstract
The utility model provides a vehicle-mounted audio system, wherein, the vehicle-mounted audio system comprises a vehicle-mounted multimedia host; the external power amplifier is connected with a sound channel audio circuit output by the vehicle-mounted multimedia host; and the sound channel audio signal output by the external power amplifier pushes the loudspeaker to output a sound signal. According to the vehicle-mounted audio system, the external power amplifier is additionally arranged between the vehicle-mounted multimedia host and the loudspeaker, the requirement of high-quality sound effect of consumers can be met by outputting sound effect, and meanwhile, the output sound channel of the vehicle-mounted multimedia host cannot be changed.
Description
Technical Field
The utility model relates to an automobile product technical field has and relates to an on-vehicle audio system.
Background
Recently, with the rapid development of electric/electronic related technologies, audio/video processing devices for automobiles (e.g., car audio systems, etc.) having better quality are also rapidly developed. Accordingly, the importance of various backup technologies capable of effectively reinforcing or supporting the functions of an audio/video processing device for an automobile is increasing.
Automobile consumers increasingly pay attention to pursuit of internal quality of the passenger cars, the requirement on comfort level of the passenger cars is improved, the common automobile entertainment sound processing system cannot meet the requirement of the consumers, and in order to solve the pursuit of the effect of the consumers on the automobile sounds, the universal application of the multi-channel sound effect processing scheme of the home theater on the automobiles is realized. However, the multi-channel sound effect processing scheme of home theater is adopted in the automobile, which increases the cost of the automobile and causes the burden of consumers. Consequently taking into account the car cost, satisfying the demand that different consumption levels were handled the stereo set again, on the basis that does not change current car audio system, the utility model provides a novel on-vehicle audio system to satisfy different consumers' audio demand.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides a vehicle audio system, this vehicle audio system is through increasing external power amplifier between on-vehicle multimedia host computer and speaker, and the demand of consumer high-quality sound effect can be satisfied in the output audio, also can not change on-vehicle multimedia host computer output sound channel simultaneously.
The utility model provides a vehicle-mounted audio system, wherein, the vehicle-mounted audio system comprises a vehicle-mounted multimedia host;
the external power amplifier is connected with a sound channel audio circuit output by the vehicle-mounted multimedia host;
and the sound channel audio signal output by the external power amplifier pushes the loudspeaker to output a sound signal.
Preferably, the vehicle-mounted multimedia host decodes the digital signal on the hard disk to obtain an electric signal, and the electric signal is processed by a triode amplifier in the vehicle-mounted multimedia host to obtain a high-volume audio signal.
Preferably, the electric signals are processed by triode amplifiers in four directions in the vehicle-mounted multimedia host to obtain four sound channel audio signals with large volume.
Preferably, the independent cables of the four channel audio signals output by the vehicle-mounted multimedia host are respectively connected with the input port of the external power amplifier.
Preferably, the external power amplifier virtualizes the four input channel audio signals to obtain six channel audio signals, the four channel audio signals are extracted in a form of resistance-capacitance filtering in the external power amplifier to obtain a subwoofer channel audio signal, and the four channel audio signals are subjected to comprehensive processing by the external power amplifier to obtain a surrounding center channel audio signal.
Preferably, the four channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal, and a rear right channel audio signal, and the six channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal, a rear right channel audio signal, a center channel audio signal, and a subwoofer channel audio signal.
Preferably, the six-channel audio signals output by the external power amplifier respectively push eight speakers to output sound signals, and cables for the output left front-channel audio signals are electrically connected with the two speakers to push the speakers to respectively emit high-pitch signals and low-pitch signals; the cable of the output right front sound channel audio signal is electrically connected with two loudspeakers to push the loudspeakers to respectively send out a high pitch signal and a low pitch signal; the output left back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full frequency signal; the right back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full-frequency signal; the audio signal of the middle sound channel and a loudspeaker push the loudspeaker to send out a middle sound signal; the subwoofer channel audio signal is coupled to a speaker that is actuated to emit a subwoofer signal.
The utility model has the advantages that: the utility model provides a vehicle audio system, this vehicle audio system are through increasing external power amplifier between on-vehicle multimedia host computer and speaker, and the demand of consumer high-quality sound effect can be satisfied in the output audio, also can not change four sound channel audio signal circuits of on-vehicle multimedia host computer output simultaneously. The utility model provides an on-vehicle audio system is through increasing external power amplifier, makes four sound channel audio signal virtualization processing of on-vehicle multimedia host input obtain six sound channel audio signal that sound differentiation is more meticulous, promotes the speaker respectively again and obtains eight audio signal, has improved sound source output effect. The utility model provides a vehicle-mounted audio system simple structure, convenient to carry, the circuit loss is low, is applicable to the car of middle and high-end motorcycle type, and is with low costs.
Drawings
Fig. 1 the present invention provides an output flow chart of a car audio system.
Fig. 2 is a prior art audio output flow diagram.
Detailed Description
The following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings so that those skilled in the art can implement the embodiments in accordance with the description.
It should be understood that the terms of orientation of up, down, left, right, front, back, top, bottom, etc., referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed accordingly depending on the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
The utility model provides a vehicle-mounted audio system, wherein, the vehicle-mounted audio system comprises a vehicle-mounted multimedia host;
the external power amplifier is connected with a sound channel audio circuit output by the vehicle-mounted multimedia host;
and the sound channel audio signal output by the external power amplifier pushes the loudspeaker to output a sound signal.
The technical scheme of the utility model in, digital signal obtains the signal of telecommunication on the on-vehicle multimedia host computer decoding hard disk, and the signal of telecommunication process triode amplifier in the on-vehicle multimedia host computer handles the audio signal who obtains the big volume. The electric signals are processed by triode amplifiers in four directions in the vehicle-mounted multimedia host to obtain four sound channel audio signals with large volume. And independent cables of four sound channel audio signals output by the vehicle-mounted multimedia host are respectively connected with the input port of the external power amplifier. The external power amplifier carries out virtualization processing on the four input sound channel audio signals to obtain six sound channel audio signals, the four sound channel audio signals are extracted in a resistance-capacitance filtering mode in the external power amplifier to obtain a double-low sound channel audio signal, and the four sound channel audio signals are subjected to comprehensive processing by the external power amplifier to obtain a surrounding middle sound channel audio signal.
As shown in fig. 1, in the specific embodiment of the present invention, four sound channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal and a rear right channel audio signal, and six sound channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal, a rear right channel audio signal, a center channel audio signal and a subwoofer channel audio signal. The six sound channel audio signals output by the external power amplifier respectively push the eight loudspeakers to restore the sound channel audio signals to obtain eight sound signals, and cables of the output left front sound channel audio signals are electrically connected with the two loudspeakers to push the loudspeakers to respectively send out high pitch signals and low pitch signals; the cable of the output right front sound channel audio signal is electrically connected with two loudspeakers to push the loudspeakers to respectively send out a high pitch signal and a low pitch signal; the output left back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full frequency signal; the right back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full-frequency signal; the audio signal of the middle sound channel and a loudspeaker push the loudspeaker to send out a middle sound signal; the subwoofer channel audio signal is coupled to a speaker that is actuated to emit a subwoofer signal.
The technical scheme of the utility model, the utility model provides a vehicle audio system, this vehicle audio system is through increasing external power amplifier between on-vehicle multimedia host computer and speaker, and the demand of consumer high-quality sound effect can be satisfied in the output audio, also can not change four sound channel audio signal circuits of on-vehicle multimedia host computer output simultaneously. The utility model provides an on-vehicle audio system is through increasing external power amplifier, makes four sound channel audio signal virtualization processing of on-vehicle multimedia host input obtain six sound channel audio signal that sound differentiation is more meticulous, promotes the speaker respectively again and obtains eight sound signals, has improved sound source output effect. The utility model provides a vehicle-mounted audio system simple structure, convenient to carry, the circuit loss is low, is applicable to the car of middle and high-end motorcycle type, and is with low costs.
As shown in fig. 2, the vehicle-mounted multimedia host is directly electrically connected to the speaker, that is, the vehicle-mounted multimedia host outputs the channel audio signal to directly push the speaker to emit the sound signal, the multimedia host decodes the digital signal stored in the hard disk into the audio signal, the vehicle-mounted multimedia host sequentially performs audio signal amplification processing and audio signal azimuth setting processing on the audio signal to obtain four channel audio signals, the four channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal and a rear right channel audio signal, cables of the four channel audio signals are independently connected to the speaker, and the speaker is pushed to emit the sound signal. Specifically, a cable of the output left front channel audio signal is electrically connected with two loudspeakers, and the loudspeakers are pushed to respectively emit a high pitch signal and a low pitch signal; the cable of the output right front sound channel audio signal is electrically connected with two loudspeakers to push the loudspeakers to respectively send out a high pitch signal and a low pitch signal; the output left back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full frequency signal; the right back channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out full frequency signals. The design scheme can save cost, but the output sound effect can only meet the most basic requirements of consumers on the vehicle-mounted sound equipment.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. The vehicle-mounted audio system is characterized by comprising a vehicle-mounted multimedia host;
the external power amplifier is connected with a sound channel audio circuit output by the vehicle-mounted multimedia host;
and the sound channel audio signal output by the external power amplifier pushes the loudspeaker to output a sound signal.
2. The car audio system according to claim 1, wherein the car multimedia host decodes the digital signal on the hard disk to obtain an electrical signal, and the electrical signal is processed by a triode amplifier in the car multimedia host to obtain a high-volume audio signal.
3. The car audio system of claim 2, wherein the electrical signals are processed by four directional triode amplifiers in the car multimedia host to obtain a four channel audio signal with a large volume.
4. The vehicle-mounted audio system according to claim 3, wherein the independent cables of the four channel audio signals output by the vehicle-mounted multimedia host are respectively connected with the input port of the external power amplifier.
5. The vehicle-mounted audio system according to claim 4, wherein the external power amplifier virtualizes the four input channel audio signals to obtain six channel audio signals.
6. The vehicle-mounted audio system according to claim 5, wherein the four channel audio signals are extracted in a form of resistance-capacitance filtering in the external power amplifier to obtain a subwoofer audio signal, and the four channel audio signals are subjected to comprehensive processing by the external power amplifier to obtain a surround center channel audio signal.
7. The in-vehicle audio system according to claim 5, wherein the four channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal, and a rear right channel audio signal, and the six channel audio signals include a front left channel audio signal, a front right channel audio signal, a rear left channel audio signal, a rear right channel audio signal, a center channel audio signal, and a subwoofer channel audio signal.
8. The car audio system of claim 7, wherein the six channel audio signals outputted by the external power amplifier respectively drive eight speakers to output sound signals, and the cable for outputting the front left channel audio signal is electrically connected to two speakers to drive the speakers to respectively emit high-pitch signals and low-pitch signals; the cable of the output right front sound channel audio signal is electrically connected with two loudspeakers to push the loudspeakers to respectively send out a high pitch signal and a low pitch signal; the output left back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full frequency signal; the right back sound channel audio signal is electrically connected with a loudspeaker to push the loudspeaker to send out a full-frequency signal; the audio signal of the middle sound channel and a loudspeaker push the loudspeaker to send out a middle sound signal; the subwoofer channel audio signal is coupled to a speaker that is actuated to emit a subwoofer signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977134.7U CN210042179U (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted audio system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977134.7U CN210042179U (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted audio system |
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| CN210042179U true CN210042179U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920977134.7U Expired - Fee Related CN210042179U (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted audio system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405420A (en) * | 2020-02-28 | 2020-07-10 | 浙江吉利新能源商用车集团有限公司 | Vehicle sound system, control method and vehicle |
-
2019
- 2019-06-27 CN CN201920977134.7U patent/CN210042179U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405420A (en) * | 2020-02-28 | 2020-07-10 | 浙江吉利新能源商用车集团有限公司 | Vehicle sound system, control method and vehicle |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20200627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |