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I have Google assistant running on a headless system. The sound output is via a USB sound card but the volume is too low, even with volume set to max on alsamixer. I've been trying to figure out how to enable pre-amp, but have been unsuccessful. The current asoundrc is:
pcm.!default {
type asym
capture.pcm "mic"
playback.pcm "speaker"
}
pcm.mic {
type plug
slave {
pcm "hw:0,0"
format S16_LE
}
}
pcm.speaker {
type plug
slave {
pcm "hw:2,0"
}
}
Any ideas on how I can enable pre-amp or otherwise increase the volume?
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I've figured it out. It's nothing to do with Alsa, rather Google Assistant has the ability to control volume, i.e. "OK Google, turn it to 10"
Last edited by bedfellow (2018-02-03 12:35:10)
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