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Vehicle-mounted audio processing circuit

A technology of audio processing and audio amplification circuit, which is applied in the electronic field to achieve comfortable call experience, improve listening experience, and reduce transmission rate

Inactive Publication Date: 2014-11-19
SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention proposes a vehicle-mounted audio processing circuit, which solves the problems in the prior art that the volume is adjusted through buttons and the noise is transmitted synchronously

Method used

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] Such as figure 1 As shown, the vehicle-mounted audio processing circuit of the present invention includes: an audio input device 100 and an audio output device 400, the audio input device 100 is connected to a speaker 800 through an audio amplifier circuit 700, and the speaker 800 outputs another terminal received by the user The audio signal of the device, the audio output device 400 receives the user's voice signal and transmits it to another terminal devi...

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Abstract

The invention provides a vehicle-mounted audio processing circuit, which comprises an audio input device and an audio output device, wherein the audio input device is connected to a speaker through an audio amplifier circuit, the speaker outputs a received voice signal of the other terminal equipment to a user, and the audio output device receives the voice signal of the user and transmits the voice signal to the other terminal equipment through a mobile communication network. According to the vehicle-mounted audio processing circuit provided by the invention, power compensation is carried out on an audio signal input to the audio input device through a compensation circuit, the volume of the speaker is automatically adjusted according to a difference between the volume of the received audio signal and the volume of the output audio signal, so that the call experience of the user is conformable, and setting of a volume key is omitted, so that compactness and aesthetic sense of a mobile phone are further improved; audio signals of a main MIC (Microphone) and a slave MIC are amplified and attenuated through filtering and optimization modules, so that the transmission rate of environmental noise is greatly reduced, and the listening experience of the user is improved.

Description

technical field [0001] The invention relates to the field of electronics, in particular to a vehicle audio processing circuit. Background technique [0002] Looking forward to the development of automotive electronics technology, modern automotive electronics has entered a new stage of substantial improvement from the electronic components used to the architecture of the electronic system in the car. With the development of automotive semiconductor technology, cars will become more and more humanized, and even electrification of all functions will be realized. The operation will be more comfortable, convenient, and environmentally friendly. The needs of automotive safety, environmental protection, and entertainment will promote the rapid development of the automotive sensor market. . [0003] In order to enhance the assisted driving function of the system, an intelligent car voice system technology with voice function has been developed rapidly. Connect to realize answerin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/00
Inventor 田海红王海伟田攀
Owner SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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