On Sat, 13 Jun 2015 11:31:07 -0700 (PDT) Len Ovens <l...@ovenwerks.net> wrote:
> On Sun, 7 Jun 2015, Jesse Cobra wrote: > > > Just a few notes, not sure if this is of any use: > > Motu and Presonus are now shipping some semi-affordable AVB audio devices > > and > > switches. The Motu switch is $295. > > Here is an even cheaper switch: > http://www.dsp4you.com/products/avb-oem-series/avb-sw > > It is not Gb, just 100M, but less than half the price and possibly "good > enough" for testing, development, smaller channel counts (32ish?) > > It appears that at the same time as being a switch it could also be set up > as an endpoint. There is I2S connections on it. So it could be a good > starter set up with switch and 8audio i/o. I think, the spec just says: > > "Internal 20pin 0.1” pitch connector with TDM/I2S input & output streaming > AVBTP (IEEE 1722) talker listener mode > Up to 8ch per stream > Sample rate of 44.1/48/88.2/96/176.4/192kHz > Sample width of 20/24bit > Automatic hardware locking to stream’s media using the IEEE 1722 > presentation time" > > And last of all, This looks like a ready to run AVB interface that will > work on Linux: > http://www.dsp4you.com/downloads/AV2USB%20Datasheet.pdf > I could not find the price though. It is limited to 8/8 i/o and looks to > Linux as a class compliant USB 2.0 8channel audio card. Of course those 8 > channels can be any of the available AVB channels on the AVB network. More > than one of these could be used on the same computer for 16 channels (or > more) as they are by default synced. I would suggest a variant of zita-a2j > with no resample to connect 2nd and more units rather than making a > "multi-device". This would allow plugging and un-plugging without stopping > jackd. Also, if your "internal" AI has external sync capability (s/pdif or > word clock) it could be used by the jack back end and av2usb boxes added > as clients if at least one of the AVB audio IF boxes had a similar sync > out. > > This may also be an inexpensive way of using network for audio transport > from one computer to another in the same LAN with low latency. Two > ethernet ports means a switch may not be needed. (aside from audio > streaming a net port would be needed to control routing too unless that is > somehow incorperated in the USB line) > > > -- > Len Ovens > www.ovenwerks.net Better and better :D I don't suppose anyone has written an AVB -> jack module? -- Will J Godfrey http://www.musically.me.uk Say you have a poem and I have a tune. Exchange them and we can both have a poem, a tune, and a song. _______________________________________________ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev