Milliseconds to frames - I assume this is easy

From the looks of the srcBuf it looks like you’re on a (much?) older version of the toolbox, so probably worth nabbing the most recent one:

The general idea though is that the @startframe is where in your target buffer you want to start and @numframes is how long for.

So @startframe 44100 @numframes 22050 will analyze 500ms starting 1000ms into the file.

If you’re always wanting to analyze the same size chunk you can just set the attribute to a fixed size (@numframes 11025) and then do the rest with messages (in a message: startframe 88888, bang).

As a point of reference, here is a chunk from my performance patch that does more-or-less what you’re describing (though on a much smaller buffer):


----------begin_max5_patcher----------
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-----------end_max5_patcher-----------

edit:
you can ignore the @blocking stuff, as well as the hyper-specific buffer~ stuff, that’s just for threading purposes in my patch

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