Sounds awesome Fernando. I have a few of the XMOS AVB endpoints I am not using if anyone wants one.
On Mon, Jun 8, 2015 at 7:14 PM, Fernando Lopez-Lezcano < na...@ccrma.stanford.edu> wrote: > On 06/07/2015 07:15 AM, Len Ovens wrote: > ... > >> Why is this? Linux is based on lowest common denominator hardware... we >> call it the PC. The Linux world has gotten much better preformance out >> of this box than it was designed for. But, in the case of audio, the HW >> does limit performance at least with AoIP. That limit is the clock. The >> PC does not have a HW PTP clock built in and in this case software is >> not good enough. The way around this is with a custom NIC that does. For >> some reason even though one can buy an ethernet chip that includes a >> stable PTP clock for less than $5, any NICs I have found with a PTP >> clock are closer to $1k. >> > > An Intel I210 Gigabit Ethernet PCI express Card will set you back about > $70 on Newegg, it does have the hardware support that AVB needs and a > driver in the OpenAVB project. I have a couple and they seem to work just > fine. A 24 output AVB Motu box is $995. > > I'm actually trying to get this going with one of these AO24 Motu > "soundcards" (starting with OpenAVB). I have gotten as far as the OpenAVB > stack talking to the Motu card and slaving its clock to it (and the Motu > box recognizing it is now the master clock source and AVB is active). Audio > streaming is next, I'm just not finding the free time to do this (anyone > gotten further along on this??). > > First goal would be a simple jack client that can stream samples, end game > would be a jack backend so this can be treated as a soundcard. We'll see... > > -- Fernando > > _______________________________________________ > Linux-audio-dev mailing list > Linux-audio-dev@lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-dev >
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