Sorry about the huge attachments. I just read the netiquette page and will
use links next time.
On Fri, Mar 25, 2016 at 11:13 AM, Christopher Meng <empmeng(a)gmail.com>
wrote:
> Hi all,
>
> I have a need for cutting up long audio files into shorter audio files to
> be played as samples. That is, I'll record audio, set an amplitude
> threshold, above which audio events are recognized, and save each audio
> event to file. Seems like everyone needs this actually! I've attached my
> attempt, 'Sample_splitter.'
>
> There are some limitations in my patch. Loading files into an array
> limits the sound clip to around 90 seconds for 44.1k clip and 45 for
> 88.2k. My preview window (seen after clicking analyze) is not really
> visible and accurate enough to eliminate the need for trial and error.
> I've had issues with this patch working consistently in different Pd
> versions. It seems to be working well right now in 46-7 but has been
> inconsistent at times.
>
> Hopefully this is useful and I'd be grateful for any improvements.
>
> I've also included a patch called 'split_test'. This simple patch loads a
> file into an array and then splits it into shorter audio clips. I've found
> that some Pd versions (sorry, it's been about a year since testing and I
> don't remember which) split the audio in different places. Maybe it's not
> an issue now as I just tried it in 46-7 and it seemed to write the correct
> samples to file. Could this be a 32 vs. 64 bit issue?
>
> Best,
>
> Chris
>
>
>