JustIntonation
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- #21
Cool. Yes I plan on doing something similar (though not with Jriver, there are very lightweight DAWs around as well meant only for hosting VST's etc) but it depends on what I'll choose in the end for crossover work.I use JRiver for this, it works very well. It installs a Windows sound driver, you route the sound to that, and then you use the DSP facility in JRiver. It has crossovers built in already, although I use FIR ones from rePhase.
I'm currently using an Asus u7 sound card, and use 6 of the 8 available channels. I also have an M-Audio 10 channel interface, and am working out whether it's worth bothering to use the Lynx AES16 and getting five stereo DACs for the horn system.
I've used other systems to host the DSP, such as Reaper (I think that foobar might be able to do it, not tried), but JRiver is dead easy to set up, fiddle with and it's very stable.
As for getting 5 stereo DACs, this is technically not the ideal solution I believe as those 5 stereo DACs will all be running from their own clock (unless they can sync perfectly to a master clock comming from the Lynx, some studio DACs are able to do this but almost no consumer DACs I've seen). Better to get a multichannel DAC like the MOTU UltraLite mk4 discussed here I think.
edit: I mean, if one of those DACs is off sync by just one sample at 44.1kHz, and this is between for instance the DAC for the mid-driver and the DAC for the tweeter, then the resulting phase shift between those drivers is audible already at certain off-axis locations (around the -3dB point off-axis for LR for instance where it is very sensitive, or at the flat on-axis for a Butterworth crossover).
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