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Subject: Call for testers and DSP brains

Call for testers and DSP brains

From: pondlife <pondlife_at_ntlworld.com>
Date: Wed, 18 Feb 2009 09:44:53 -0000

Hi all,

I'd very much like to see FS#8894 in SVN at some point. This allows speed
to be changed independently of pitch. It's particularly useful with audio
books/podcasts (and maybe would be useful for audible fast forward/rewind).

However, it has had problems with locking up when EQ/crossfeed are in use,
perhaps when CPU usage gets too high (given that it fails on target and
never on the sim). Or maybe it's something to do with the various DSP
initialisations being done incorrectly.

However, I can no longer repro this on my real H300, so I wonder if it's due
to another bug that's recently been fixed.

So... I'd like help with two things:

1) People to test the patch and report back.

2) Rockbox DSP gurus to take a look at it. It might be something obvious.
And if you think you can improve the audio quality, feel free to do that too
;)

The other issue to be is that it grabs a chunk of static memory - I think
this should be allocated from the audio buffer only when the feature is
first enabled (restarting playback as needed).

pondlife
Received on 2009-02-18


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