Initial commit
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#!/bin/bash
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CARD="2" # Проверьте: aplay -l
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echo "Увеличение чувствительности ReSpeaker 2-Mics для 2 м..."
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# Усиление микрофонов
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amixer -c $CARD cset numid=9 1 # Left Boost +29dB
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amixer -c $CARD cset numid=8 1 # Right Boost +29dB
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amixer -c $CARD cset numid=1 120,120 # Capture Volume ~0dB
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amixer -c $CARD cset numid=36 200,200 # ADC Capture ~+1.5dB
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# Шумоподавление
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amixer -c $CARD cset numid=35 1 # Noise Gate on
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amixer -c $CARD cset numid=34 10 # Noise Gate Threshold
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amixer -c $CARD cset numid=19 1 # HPF on
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# ALC для адаптации к тихой речи
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amixer -c $CARD cset numid=26 3 # ALC Stereo
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amixer -c $CARD cset numid=27 7 # ALC Max Gain
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amixer -c $CARD cset numid=28 10 # ALC Target
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# Стерео
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amixer -c $CARD cset numid=41 0 # Left=Left, Right=Right
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# Сохранить
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alsactl store
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echo "Настройки применены. Тест: arecord -D plughw:$CARD,0 -d 10 -f S16_LE -r 16000 -c 2 test.wav"
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