On Tue, 2003-06-10 at 16:26, Paul Davis wrote: > thomas's code works on the hdsp i think, and is easily adapted to the > digi9652. he also has written totalmix for linux. i don't know why he > hasn't released it yet. thomas?
that would be handy. I've successfully used ALSA and an HDSP to do in ear monitor mixing for a band I run sound for. But I'm only guessing at: a) converting "fader" levels to something logarithmic like db b) converting fader levels to the 0-65535 exponential scale that the hdsp uses, and c) converting the 0-65535 back into fader levels I've got some questions into one of the guys at RME that developed this thing to see how they do it. Any insight would be excellent as I'm about to plop down some cash on an ADI 8 Pro to expand out to 16 channels through my HDSP... <wink,wink;nudge,nudge> I've also successfully captured peak and RMS levels via the snd_hwdep_ioctl() interface, but I'm a) unsure of how to convert that to something graphical and b) how often to call the ioctl to display. (I'm assuming that it's only as often as I want to refresh the levels which I can easily do with a timer.) d!
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