[LAD] Calibrating sound cards
James at superbug.co.uk
Mon Apr 14 21:15:50 UTC 2008
Is there a recognized method for calibrating a sound card?
For Playback, one sends a sample .wav PCM file to the sound card, then
measure the analog output from the line-out.
If the sound card itself provides 0dB of Gain, what should be the
Can this be done with a simple AC volt meter?
There seems to be some debate, with regards to ALSA, as to whether the
line-out is at the correct level if one sets all the ALSA mixer controls
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