Re: Problem getting started with Midi editing - no sound!

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No, this isn't a cabling problem - I haven't even got as far as
connecting the piano to the computer.

Simply I cannot get any sound when playing a midi file in Qtractor or
Muse even though the editor and QjackCtl show that the file is being
processed (time counters advancing etc.)

Yet I can play a midi file using tiMidity (either in GUI or from command
line), and the sound on both my computers is generally OK in any other
situation too.

There's no point connecting the piano to the computer until I know I can
hear stuff from the editor.

David



On Mon, 2015-09-14 at 14:28 -0700, Bob van der Poel wrote:
> Before you get all involved with jackd, etc. make sure you have
> cabling, etc. hooked properly. I'd start with something very simple
> like aplaymidi and arecordmidi. If they don't work, then you have a
> cabling (or dead piano) problem.
> 
> 
> Next, you can figure out jack (and give me a tutorial!).
> 
> 
> 
> On Mon, Sep 14, 2015 at 12:42 PM, David Sumbler <david@xxxxxxxxxxxx>
> wrote:
>         I have hesitated for weeks to post here with such a basic and
>         possibly
>         stupid problem, but I am at my wits end with this.
>         
>         I run Ubuntu 12.04 on a desktop computer and also on a small
>         notebook.
>         Sound is fine on both of them, and I can play midi files
>         through
>         tiMidity with no problem.
>         
>         I want to use a midi-capable electric piano as an input
>         device, and I
>         reckoned the first thing to do was to get some suitable
>         software and
>         make sure I could play a midi file from a midi editor.
>         
>         I have QjackCtl, Qtractor (I also have Muse) and Qsynth
>         installed.  I
>         have spent weeks, on and off, trying to solve the basic
>         problem of
>         getting some sound from Qtractor (or Muse), but although both
>         the editor
>         and QjackCtl show that an imported midi file is actually being
>         played, I
>         get no sound whatsoever.  This is true for both computers,
>         even though
>         their hardware is pretty different.  As I said earlier, the
>         sound on
>         both computers is fine in other contexts, so it is almost
>         certainly some
>         fundamental error on my part, but I have no idea what is
>         wrong.  I have
>         tried all sorts of different sets of connections in QjackCtl,
>         but never
>         heard a note yet!
>         
>         Having read various posts in the forum archive, I tried
>         running
>         jack-metro.  QjackCtl shows that the metronome is running, but
>         connecting the metronome to the system outputs produces no
>         sound, so the
>         problem seems to be at this level.
>         
>         If anyone feels they have the patience to try to point me in
>         the right
>         direction, I shall be very grateful indeed.
>         
>         David
>         
>         _______________________________________________
>         Linux-audio-user mailing list
>         Linux-audio-user@xxxxxxxxxxxxxxxxxxxx
>         http://lists.linuxaudio.org/listinfo/linux-audio-user
> 
> 
> 
> -- 
> **** Listen to my FREE CD at http://www.mellowood.ca/music/cedars ****
> Bob van der Poel ** Wynndel, British Columbia, CANADA **
> EMAIL: bob@xxxxxxxxxxxx
> WWW:   http://www.mellowood.ca


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