28 lines
1.1 KiB
Plaintext
28 lines
1.1 KiB
Plaintext
# mavmic — the Scarlett Solo 4th Gen microphone alone, for mavwaked.
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#
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# The card's USB capture stream is 4 channels, not 2:
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#
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# ch1 PCM 01 <- DSP 1 <- Analogue 1 the line/instrument jack
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# ch2 PCM 02 <- DSP 2 <- Analogue 2 the XLR microphone
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# ch3 PCM 03 <- Mix C <- PCM 1 loopback of workstation playback, L
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# ch4 PCM 04 <- Mix D <- PCM 2 loopback of workstation playback, R
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#
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# plughw asks ALSA for mono and gets a downmix of all four, so half of what
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# mavwaked scored was whatever the workstation was playing, at unity gain and
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# untouched by the front-panel gain knob. Measured 2026-08-09 with the gain at
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# 0 and a show playing: ch1 rms 0.00000, ch2 0.00002, ch3 0.08834, ch4 0.09045.
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#
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# Air and 48V are named for Line In 2, and both belong to a microphone preamp,
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# so Analogue 2 is the XLR input on this card and Analogue 1 is the jack.
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#
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# This takes slave channel 1 and nothing else. It does not change the card, so
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# the loopback stays available to everything else on the box.
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pcm.mavmic {
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type plug
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slave {
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pcm "hw:CARD=Gen,DEV=0"
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channels 4
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}
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ttable.0.1 1
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}
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