A time-sharing control system for left and right audio channels based on Android platform
A technology of left and right channels, time-sharing control, applied in branch equipment, branch voice amplifiers, electrical components, etc., can solve the problems of lack of corresponding improvement in the audio system, discount of voice effects, and inability to control the left and right channels independently.
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Embodiment 1
[0038] Embodiment 1: as figure 1As shown, a multi-speech fusion communication system based on Android platform, including Android system, audio circuit control module, communication module, cluster intercom module, audio input module, audio processing module, analog switch unit, selection switch and audio output module ,
[0039] The audio circuit control module receives the instructions of the Android system to control the analog switch and the selection switch to realize the opening or closing of the voice channel; the voice channel includes the left audio channel, the right audio channel and the intercom channel; the audio input module includes the local audio input module and external audio Input module, the local audio input module transmits the collected local audio signal to the audio processing module; the external audio input module sends the collected external audio signal to the audio processing module through the communication module; the audio processing module pr...
Embodiment 2
[0040] Embodiment 2: the audio processing module includes an analog sound mixing module one, an analog-to-digital conversion module, a digital sound mixing module, a digital-to-analog conversion module and an analog sound mixing unit two, and the external audio signal passes through the communication module, the digital sound mixing module, the digital-analog The conversion module and the analog mixing module 2 enter the cluster intercom module or audio output module;
[0041] The local audio signal enters the Android system or the communication module through the analog mixing module 1 and the analog-to-digital conversion module in turn; or the local audio signal passes through the analog mixing module 1, the analog-to-digital conversion module, the digital mixing module, the digital-to-analog conversion module, and the analog The second mixing module enters the audio output module; or the local audio signal enters the audio output module or the cluster intercom module through...
Embodiment 3
[0042] Embodiment 3: In order to realize three-dimensional left and right dual channels.
[0043] The analog mixing module includes a left analog mixing module and a right analog mixing module, and the secondary analog mixing module includes a left secondary analog mixing module, a right secondary analog mixing module and a cluster analog mixing module; the analog-to-digital conversion module It includes a left analog-to-digital conversion module and a right analog-to-digital conversion module. The digital mixing module includes a left digital mixing module and a right digital mixing module. The digital-to-analog conversion module includes a left digital-to-analog conversion module and a right digital-to-analog conversion module. The selection switch includes left selector switch and right selector switch;
[0044] An analog switch S is connected between the local audio input module and the left analog mixing module z1 , the output terminal of the left analog mixing module is...
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