Today I tried to play Csound 6 via USB midi. I used command line mode (no
GUI) via ssh first.
It sounded not so very good. The sound was distorted. Then I tried GUI mode
via VNC.
I was amazed that this sounded not bad at all - not what I expected, since
GUI mode takes more CPU obviously.

Also I use the -d flag to suppress all displays. Still I see rtevent
messages. How can this be?   

What are your experiences with USB midi on the RPi?

Richard



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I am using:
csound -d -odac -Ma -b512 -B1024 midiSine.csd

There is no problem with latency though, only with a distortion if I run
this simple csd from the command line, and only in non GUI mode.
I also noted that Pyro (or OSC) did not give that distortion, so I might use
that - but then a midi to OSC or Pyro layer is needed. 
Still investigating.. 



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-d suppresses displays (graphics), -m0 suprresses messages.
On 14 Dec 2013, at 23:23, zappfinger  wrote:

> Today I tried to play Csound 6 via USB midi. I used command line mode (no
> GUI) via ssh first.
> It sounded not so very good. The sound was distorted. Then I tried GUI mode
> via VNC.
> I was amazed that this sounded not bad at all - not what I expected, since
> GUI mode takes more CPU obviously.
> 
> Also I use the -d flag to suppress all displays. Still I see rtevent
> messages. How can this be?   
> 
> What are your experiences with USB midi on the RPi?
> 
> Richard
> 
> 
> 
> --
> View this message in context: http://csound.1045644.n5.nabble.com/USB-midi-and-Csound-on-Raspberry-Pi-tp5730768.html
> Sent from the Csound - General mailing list archive at Nabble.com.
> 
> 
> Send bugs reports to the Sourceforge bug trackers
> csound6:
>            https://sourceforge.net/p/csound/tickets/
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>            https://sourceforge.net/p/csound/bugs/
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> 
>