[chuck-users] Problem: chuck --silent --srateXXXXX not timing correctly

Ryan Supak ryansupak at gmail.com
Fri Jun 13 13:13:23 EDT 2014

Hi Spencer, thanks for the reply and the info.

That info about ChucK x RPi is second hand, admittedly. I have not gotten
to the point of deployment on the RPi quite yet. But thanks for the more
accurate take on the installation process!


On Fri, Jun 13, 2014 at 6:28 AM, Spencer Salazar <spencer at ccrma.stanford.edu
> wrote:

> Hi Ryan,
> --silent mode is mostly designed for offline rendering, so it basically
> runs as fast as possible. There isn't currently a way to have it run in
> real-time without also having audio, though that sounds like a nice
> feature.
> Im surprised that you are finding it difficult to get real-time sound
> working with chuck on RPi. With e.g. Satellite CCRMA [1], its mostly a
> matter of installing the asound2-dev package and maybe libpulse-dev and
> compiling chuck as usual.
> spencer
> [1] https://ccrma.stanford.edu/~eberdahl/satellite/
> On Thu, Jun 5, 2014 at 10:02 AM, Ryan Supak <ryansupak at gmail.com> wrote:
>> Hi, I'm running the latest version of chuck on OSX 10.6.9.
>> I've got a program that doesn't process audio, but it does take MIDI
>> input in realtime and it outputs various kinds of synchronization signals
>> based on it.
>> I originally tried running it with just the --silent flag but chuck was
>> 'saying' that time durations were way shorter than they were. I attempted
>> the same thing without the --silent flag (defaulting to onboard soundcard)
>> and time durations were accurate. Then, I tried using both the --silent and
>> --srate44100 flags to see if that would help, but it behaved just as it did
>> with the --silent flag.
>> The ultimate goal is to install this program on a Raspberry Pi without
>> using sound at all (and chuck on RPi freaks out unless you install a bunch
>> of other stuff, if you try to run it without the --silent flag).
>> Anyway, is there a method or trick to make the combined usage of --silent
>> and --srateXXXXX properly measure duration in realtime use?
>> Thanks for any help!
>> rs
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