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Rockbox mail archiveSubject: Re: Extending the metronome pluginRe: Extending the metronome plugin
From: Thomas Orgis <thomas-forum_at_orgis.org>
Date: Sun, 22 Jun 2014 22:48:04 +0200 Am Sun, 22 Jun 2014 13:09:43 -0700 schrieb Ryan Billing <ryjobil_at_gmail.com>: > The basic idea is I was whacking a 2nd order filter with moderately high > Q. It has a little less annoying sound and is efficient enough because > you only have to run the filter for the duration of its impulse > response, then reset state variables. Well, exchanging the acutal sound is rather trivial, though I wouldn't do any on-the-fly processing. I am keeping the original approach of including the raw pcm or MPEG data (for !SWCODEC, although I wonder where that is used) as static variable in the source. Another minor source of confusion is if it is really necessary to convert the data to stereo, wasting one copy of the original data in memory. Anyhow ... Any fancy sound is possible once you produced a raw pcm copy of it;-) I am quite fine with the annoying square wave, as it is its purpose to annoy me if I can hear it clearly not coinciding with my playing. I'll check out further sound options once the functionality is in. Also ... if it should support choosing sounds at runtime. One could load from files which have assured maximum size. Alright then, Thomas
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