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Fix ReSpeaker device index: card 3 → card 2

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USB device enumeration changed after GPIO rewiring for I2S audio.
TODO: Consider udev rule for stable device naming.
This commit is contained in:
Alex Kazaiev
2026-01-17 16:20:15 -06:00
parent 5ed2c6aee7
commit c53556fe97
1 changed files with 1 additions and 1 deletions
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headmic.py
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@@ -52,7 +52,7 @@ PORCUPINE_ACCESS_KEY = os.environ.get("PORCUPINE_ACCESS_KEY", "")
WAKE_WORD_PATH = os.environ.get("WAKE_WORD_PATH", "/home/alex/headmic/Hey-Vivi_en_raspberry-pi_v4_0_0.ppn")
SAMPLE_RATE = 16000
ALSA_DEVICE = "plughw:3,0" # ReSpeaker 4 Mic Array - card 3, device 0
ALSA_DEVICE = "plughw:2,0" # ReSpeaker 4 Mic Array - card 2, device 0
VAD_AGGRESSIVENESS = 2 # 0-3, higher = more aggressive
SILENCE_FRAMES = 50 # ~1.5 sec of silence to stop (at 30ms frames)