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Audio processing device based on DSP control

A technology of audio output and audio input, which is applied in the electronic field to achieve the effect of reducing transmission rate, improving compactness and aesthetics, and improving listening experience

Inactive Publication Date: 2014-12-03
SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes an audio processing device based on DSP control, which solves the problems in the prior art that the volume is adjusted by pressing buttons and the noise is transmitted synchronously

Method used

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  • Audio processing device based on DSP control
  • Audio processing device based on DSP control
  • Audio processing device based on DSP control

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Embodiment Construction

[0030] 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.

[0031] Such as figure 1 As shown, the audio processing device based on DSP control 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 received audio to the user Voice signal of another terminal equipment, the audio output device 400 receives the voice signal of the user and transmits it to another ter...

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Abstract

The invention provides an audio processing device based on DSP control. The audio processing device based on DSP control comprises an audio input device and an audio output device. The audio input device is connected to a loudspeaker through an audio amplifying circuit. The loudspeaker outputs a received voice signal of another terminal device to a user. The audio output device receives a voice signal of the user and transmits the voice signal of the user to the terminal device through a mobile communication network. According to the audio processing device based on DSP control, power compensation is conducted on the audio signal input to the audio input device through a compensation circuit, the volume of the loudspeaker is automatically adjusted according to the volume difference value between the received voice signal and the output voice signal, and therefore a user feels comfortable during a call; in addition, volume keys can be omitted, and therefore the compactness and the attractiveness of a mobile phone are further improved; besides, amplification and attenuation are conducted on audio signals of a main MIC and an auxiliary MIC through a filtering and optimizing module, 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 electronic field, in particular to an audio processing device based on DSP control. Background technique [0002] Existing mobile phones are divided into smart phones and non-smart phones. Generally, the performance of smart phones is better than that of non-smart phones, but non-smart phones are more stable than smart phones. Most non-smart phones and smart phones use the CPU of the British ARM company architecture. The main frequency of smart phones is higher, the running speed is fast, the smart phone processes program tasks faster, and the daily life is more convenient, while the main frequency of non-smart phones is relatively low, and the running speed is relatively slow. [0003] Regardless of whether it is a smart phone or a non-smart phone, the volume control is mainly achieved by manually adjusting the volume. Smart phones can adjust the volume through real keys or virtual buttons on the touch screen, and non-smar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03G3/20H04R3/00
Inventor 田海红王海伟田攀
Owner SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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