[PD] How to navigate a long sound file in vanilla PD
white.joe4 at gmail.com
Tue Mar 31 11:37:36 CEST 2015
(Disclaimer this is geared more towards iOS)
I would use the CoreAudio framework to decompress files read from disk in
chunks into a defined buffer in your Pd patch. And then create a transport
control system for managing playback and updating of your internal buffer.
In my opinion this would be a fair bit of work to implement. Maybe there
are other ways to do it, but I wouldn't say the task is simple.
On 31 March 2015 at 10:18, Stefan Tiedje <stefantiedje at googlemail.com>
> Hello list,
> might well be the first post here, though I am well experienced in
> As there is no way to get Max patches run on mobile devices, I want to do
> it in PD using the MobMuPlat apps for Android/iOS.
> The task would be to simply to play a stereo sound file, but of about one
> hour lebgth. As MobMuPlat only supports vanilla PD I am restricted to that
> as far as I know.
> In the docs and on the net I did not find any way to navigate within that
> playback. (Its crucial for rehearsals.) The size is too big for loading it
> into RAM (the mobile devices which are around often have less than 1 GB of
> RAM), Is there a known way to tackle this seemingly simple task???
> A tedious way, I want to avoid, would be to split the sound file into
> pieces, which would at least let me jump in at specified places, but that
> would eat up the space on the device, as each piece would have to play
> until the end...
> Of course I would also love to find a way to play back an mp3 and freely
> navigate within that as well...
> Any hints how to proceed are appriciated...
> Stefan Tiedje
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