Hello! looking for a little guidance.

I have an audio file, a field recording of nature sounds with lovely blips of birds and other intermittent animal calls.

Imagine a timed sequence cycling through the clip, so that every 1 second (or however long) it hops to another part of the file. At every switch, a new short clip from the one file. Might be a kind of cool and rhythmic way to shuffle through the recording, almost like a beat but not quite.

Here’s where I’m at:
probably can random-number-generate a start point (I guess I’ll have to pre-load the amount of samples the audio file has first though?)
should be able to trigger the switch using metronome (to get that nicely moveable tempo, too)

What are your thoughts? Is it doable? The file is pretty long, is readsf the way to go?
By the way, using the basic Pd-0.48-0

Thanks a ton!
N

@nico readsf~ will do it, but as you say you need to know the total samples...... so here an array has to be written by soundfiler to get that value...... shuffle.pd
There might be another way to get the value, and of course once you have the array you could read from that (in RAM) rather than using [readsf~] as that would be much kinder to your hard drive.
David.

hey thanks a ton, David!

I have a couple questions... the array seems to write for only the first couple minutes (I'm seeing 4e+06 in the number box under the soundfiler tied to the read -resize pretty consistently for longer files. shooting for ~20 minutes)

also for louder clips I'm getting clicks during transition. I know there's a way to write in quick crossfades, just not sure where to put it in the patch. is that what the delay 50 is for?

by the way, the "loop" feature is SO handy. what a great thing to add.

oh, plus the "grain" slider ! it rocks, what exactly is it doing? seems like its corralling the picks either closer or father from the last pick. what’s that called?

Cheers and thanks again!

@nico This should work for 30 minute tracks. See the -maxsize message (with the -resize message). You would not be able to play the array at that size, but [soundfiler] will give the number of samples...... which is all you need......... shuffle.pd

I have added a "duck"...... a fade out and back in again at each jump. They are 5msecs down, start new play and wait a msec and the 5msecs fade in.

Speed is the rate at which it will jump to another part..... from every 100msecs to every 5 secs.
Grain is the "size" of the "bits" that will be played....... chopping the track into from 10 to 1000 bits
Of course if the jumps are set to every 100 msecs then only the first 100 msecs of any "bit" will be played. You can change the ranges of the two faders in their properties.

The [delay 50] should have been [delay 1]. It was a mistake. The [delay 1] is just to make sure that [readsf~] has read the start of the file before it tries to play. Not so important nowadays with SSD's.