AudioMatt

I'm driving a system with a phasor~ and I'd like to live-record a loop. I'm thinking something similar to ableton live where you hit record and when the phasor~ rolls around to 0 it starts recording, then when the phasor~ rolls around to 0 again it stops recording and starts playing.

I could probably fake it in MSP but I'm trying to learn gen~.

This seems very tough to do in a sample accurate way. Any ideas?

This seems very tough to do in a sample accurate way.  Any ideas?


stumped-with-gen-problem

Somethin like this maybe, (though there's probably more efficient ways... i'm thinking), at least it'll help get started:

•Maybe you want it to play through while it's recording, then you probably could use 2 buffer~s and swap them around

•If you'd prefer to only record, not continuously on and off as in the above patch, but based on a trigger that waits for the next phasor~ ramp, you could incorporate sah within gen~

•Overdubbing would be a simple matter of building a version of the 'endless resampling' patch directly within gen~:

https://cycling74.com/forums/endless-resampling

•If you'd prefer the phasor~ reside outside of gen~ for better modularity, you could use an external master phasor~ that triggers different rate~ objects or triggers count~ at the beginning of a ramp

Always good to see ya, Matt! Would love to see whatever you come up with. :)

Other ideas:
•Maybe you want it to play through while it's recording, then you probably could use 2 buffer~s and swap them around
•If you'd prefer to only record, not continuously on and off as in the above patch, but based on a trigger that waits for the next phasor~ ramp, you could incorporate sah within gen~
•Overdubbing would be a simple matter of building a version of the 'endless resampling' patch directly within gen~:
https://cycling74.com/forums/endless-resampling
•If you'd prefer the phasor~ reside outside of gen~ for better modularity, you could use an external master phasor~ that triggers different rate~ objects or triggers count~ at the beginning of a ramp
•etc.

Always good to see ya, Matt! Would love to see whatever you come up with. :)


This is some interesting work. The trick (for me) is getting this all to happen once and not repeat. You've given me ideas. I'll update you soon.

This is some interesting work.  The trick (for me) is getting this all to happen once and not repeat.  You've given me  ideas.  I'll update you soon.


This is not a gen~ solution, so it won't help you in your quest to learn gen~, but this patch does what you describe in straight MSP. Note that for the phasor~ to truly lock to the transport, the scheduler has to be in Audio Interrupt mode (which is the function of the set_dsp_takeover subpatch). You could make adjustable-length loops with just a little modification, but I hard-coded this example to record one measure of 4/4 for simplicity's sake. 

Here's a gen~ based bar-synchronized looper. Have fun tweaking it!

I just noticed that this went into the examples folder. There's a bug. It doesn't play back at the right rate. Here's my work around

I just noticed that this went into the examples folder.  There's a bug.  It doesn't play back at the right rate.  Here's my work around


Stumped with Gen~ problem