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Circuit structure for sound source processing and processing method thereof

A technology of processing circuits and processing methods, applied in speech analysis, instruments, etc., which can solve problems such as reducing the audio quality of the audio source processing circuit structure and distorting the input audio source signal 111

Inactive Publication Date: 2009-09-23
GETAC TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But by this approach, the input source signal 111 is easily distorted, and the source signal 112 input by the audio amplification processing unit 12 will also be an attenuated audio signal, so the speaker unit 13 will eventually be unable to output a beautiful high-power The sound source signal 112 reduces the audio quality of the sound source processing circuit structure

Method used

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  • Circuit structure for sound source processing and processing method thereof
  • Circuit structure for sound source processing and processing method thereof
  • Circuit structure for sound source processing and processing method thereof

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Embodiment Construction

[0017] see figure 2 , which is a structural schematic diagram of a sound source processing circuit according to the present invention. In addition to the existing audio amplifier processing unit 12 and speaker unit 13, the sound source processing circuit structure adds a sound source signal detection unit 21, an OR gate logic circuit unit 22 and an AND gate logic circuit unit in the sound source processing circuit structure. twenty three. The sound source signal detection unit 21 receives the sound source signals 211, 212, and it is emphasized that the sound source signals 211, 212 can be an audio signal or a noise. And after the sound source signals 211 , 212 are processed by the sound source signal detection unit 21 , the sound source detection signals 213 , 214 are provided to the OR gate logic circuit unit 22 of the next stage. The sound source detection signals 213 and 214 are logically processed by the OR gate logic circuit unit 22 , and provide the integrated sound s...

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Abstract

This invention discloses a audio process circuit structure and its process method, which is suitable for one image device and comprises one audio signal test unit, one gate logic circuit unit, one gate logic circuit unit and one audio amplifying process unit, wherein, the test unit comprises one couple capacitor, one signal amplifying circuit, one direct calibration circuit, one charging circuit and one switch circuit; the test unit can convert different vibration range and signal into one high or low direct current logic calibration signals.

Description

technical field [0001] The invention relates to a sound source processing circuit structure and a processing method thereof, which are suitable for an audio-visual device. In particular, a sound source signal detection unit is added in the sound source processing circuit structure, so as to effectively filter noise and truly maintain its mute effect without affecting the sound output power of the audio-visual device and the sound source signal without distortion. Background technique [0002] see figure 1 , which is a structural schematic diagram of an existing sound source processing circuit. The sound source processing circuit structure in the figure includes a low-pass filter unit 11 , an audio amplification processing unit 12 and a speaker unit 13 . Among them, the low-pass filter unit 11 is used to attenuate the amplitude and frequency of the noise when the input audio source signal 111 is noise, and the audio amplification processing unit 12 provides the amplified si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L21/02
Inventor 蔡至伟
Owner GETAC TECH CORP