Well, I have been thinking further and trying to remember... On Thu, Feb 27, 2020 at 6:10 PM Timothy Elwell <telw...@pilotproductions.net> wrote:
> Hi Frank, > > ASI cards should only required for MP3. MP2's patent expired a number of > years ago and was added to Rivendell as soon as the patent expired. MP2 > should be usable on any recent RD system (I don't remember the exact > version it was added, but I know it's worked well for me on v2+). > > For the format it stored in, as I understand it, the MP2 is stored in a > wav container, not as a wav format. I haven't tried it with a Pi yet, > but have been working on that build to try MP2 on the Pi for a specific > use case I have. > IIRC, we had it running on a Pi and the files were stored as MP2.wav It has been a long time since that machine was powered up though so I may have mis-remembered something. Still worth a quick experiment on that Pi. > > Others are more informative than I am, I know. But hopefully this will > help you a little. > all the best, drew > > Tim > > On 2/27/20 4:43 PM, Frank Christel wrote: > > Noob question: why are ASI cards required to play MP2 files? > > > > From the “Features and Benefits” list on the Rivendell home page: > "Support for both PCM16 and MPEG Layer 2 audio formats (MPEG Layer 2 > support requires the use of select sound cards available from AudioScience > Inc.).” > > > > (ASI cards are required by BSI’s Simian to play MP2s on Windows, too.) > > > > Is the MP2 format so old there are no software decoders? Or is MP2 > processing so intensive in real time that it must be offloaded to an > external sound card? > > > > Is there a way for a RasPi Rivendale node to play MP2s without first > converting the files to WAV? > > > > Frank Christel > > > > ______________ > > > > On 2/26/2020, at 5:49 PM, Fred Gleason <fr...@paravelsystems.com> wrote: > > > > ...Not all ASI cards are supported in any given driver version. For > CentOS 7 setups, we provide three, v4.13.0, v4.20.10 and 4.20.21 (with > v4.20.21 being installed by default). Any ASI-5XXX or ASI-6XXX card (the > ones with the orange colored mu-metal shields) should be able to work with > one of those drivers, although sometimes some experimentation is required > to find out which driver does the trick… That said, ASI-4XXX cards (the > ones with the blue mu-metal shields) are NOT supported in Rivendell at all. > > > > _______________________________________________ > > Rivendell-dev mailing list > > Rivendell-dev@lists.rivendellaudio.org > > http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev > _______________________________________________ > Rivendell-dev mailing list > Rivendell-dev@lists.rivendellaudio.org > http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev > -- Enjoy the *Paradise Island Cam* playing *Bahamian Or Nuttin* - https://www.paradiseislandcam.com/
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