On Thu, Feb 03, 2011 at 03:12:29PM +0100, Alexandre Ratchov wrote: > On Wed, Feb 02, 2011 at 03:06:35PM -0500, S. Massy wrote: > > All right, > > > > Here's another installment in the never-ending questions series. > > > > I have tracks sequenced in individual midi files meant to be rendered > > using various softsynths/patches. The idea is to: > > 1. Send the midi data to the synth using pmidi or midish. > > 2. Record the output from the jack ports to disk. > > 3. Repeat 1 and 2 for each track. > > 4. Import the tracks and mix them, possibly recording live material on > > top of it. > > > > Couldn't ardour do all four steps? Possibly, but Ardour is GUI based and not easy to use, even through orca screen-reader. > > > Of these, step 2 is the tricky part. Recording the output is easy enough > > with ecasound or even jackrec, but the problem is that there is a gap of > > silence between the time recording is started and the time the synth > > starts playing, thus making syncing the tracks a very tedious job. Is > > there a simple way of recording only when audio data is coming out of > > the jack ports? > > Yeah, the purpose of MTC/MMC is to solve this problem. > > You could configure midish to be the MMC master and MTC slave, and use > a MTC/MMC capable audio recorder configured as MMC slave and MTC > master. You'd have to start the recorder first (it waits for the MMC > start event) and then start playback in midish (generates the MMC > start event), both will start synchronously and stay in sync. This > worked for me many times. > > Unfortunately, I can't point you to a MTC and MMC capable recorder for > linux, sorry. Again, ardour seems MTC/MMC capable. There are also > jack-transport to mtc/mmc gateways, but I've never used them > either. The way to do it in the end was to use jackctlMMC to bridge between MMC and jack-transport, then start ecasound in jack-transport slave mode. Then just hitting "p" in rmidish does the trick. Thanks for pointing me in the right direction. Cheers, S.M. > > HTH > > -- Alexandre > _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
