* Max <[email protected]> [2012-11-19 09:05]: > I just got a RME Fireface UCX and will test it on linux soon. it has a USB > class compliant mode, so it should run. The documentation says that the > latency in the class compliant mode is not as good as with the proprietary > driver. It would be interesting to have numbers here how much better exactly > the rme driver is over the class compliant. > I guess i'd simply connect output to input and measure the delay? Someone > must have done this before, Is there a standard method? A patch? Use jdelay by Fons Adriaensen. http://kokkinizita.linuxaudio.org/linuxaudio/
There is also a patch: /usr/local/lib/pd/doc/7.stuff/tools/latency.pd best, P > > I must say that I am a bit disappointed about the drivers for os x. I > installed the firewire and USB drivers and updated the firmware, with the > result that the settings app now crashes and the firmware update also quits > unsuccessfully now. in the regular mode now all the led on the device are on > and the sound is chpped up. USB class compliant mode however still works. i > mailed the support. Disappointing for a device i just spend >1000 eur on. > also the rme fireface driver is the only process which isn't 64bit that is > loaded by the os. > > Am 18.10.2012 um 14:24 schrieb Peter Venus <[email protected]>: > > > a quick look on ffado.org brought up, that RMEs fireface 400 and 800 > > have now the "full support" status. > > i haven´t tested this yet, but if this works, this would be a perfect > > solution i think. > > anyone checked this yet? > > cheers, peter > > > > Gesendet: Mittwoch, 17. Oktober 2012 um 23:33 Uhr > > Von: "Ed Kelly" <[email protected]> > > An: "Rob Bothof" <[email protected]>, "[email protected]" <[email protected]> > > Betreff: Re: [PD] firewire is dead? > > Jack + fa101? > > I have never, ever got this to give me anything other than glitchy, > > unusable audio! > > > > > > > >actually it was still called smartcard.. > > >either how i use it still with edirol fa101 > > >never failed me, rocksolid performance with jack > > > > > >On 10/16/2012 6:11 PM, yvan volochine wrote: > > >> On 10/16/2012 02:45 PM, patrick wrote: > > >>> good, i was a little bit worried about using a pci-e firewire adapter > > >>> for audio in linux / jack. > > >>> > > >>> about latency, yesterday i used jdelay to measure the round-trip of my > > >>> latency, at 44100 with 128, 3 = 17 ms (jack reports 8 ms). at 96000 i > > >>> get 7 ms, BUT my cpu seems to be working hard and i get glitches. so the > > >>> question is: > > >>> > > >>> with a faster cpu, can i lower the latency? > > >> > > >> yes =) > > >> > > >> i.e. I have to use huge buffer sizes (so more latency) because of my old > > >> Intel Core Duo 1.6Ghz (great thinkpad x60 with expresscard slot for my > > >> FW card though)... > > >> > > > > > > > > >_______________________________________________ > > >[email protected] mailing list > > >UNSUBSCRIBE and account-management -> > > >http://lists.puredata.info/listinfo/pd-list > > > > > > > > > > > > > _______________________________________________ > > [email protected] mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > > > > _______________________________________________ > > [email protected] mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
