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Subject: RE: voice in keyboard.c

RE: voice in keyboard.c

From: [IDC]Dragon <>
Date: Wed, 5 May 2004 14:02:02 +0200 (MEST)

> I'd only do so if the prompts are themselves displayed.

Yes, it is displayed. But even voicing "only" what's displayed is a lengthy
thing, sorry if I simplified the implementation. I agree that the box is not
self-explaining without vision, I didn't aim to get there.

> You said
> Space in the voice file is an issue, so we should keep it short. I'll have
> a look next time.
> True enough, as I think there are only another hundred or so K left
> (the Mary voice I'm using is 1.38 MB).

This is only because we compress it harder each time stuff gets added. So
the quality decreases, the size has to stay, more or less.

> BTW, sorry for the stupid question, but where does the 1.5 MB
> limitation come from? Is it because the units have 2 MB of memory?

Yes. Rockbox itself is about 200k, then it needs space for all its data
structures, the largest being directory and playlist buffer. All this leaves
about 1.6 MB for the mp3 buffer, varying with the settings of above buffers.
But we even had people who coudn't use the voice feature because their
setting were too large.
Ontop of the voice file comes your worst-case .dirname.tbx, this also has to
be loaded in the buffer. So 1.5 MB voice file should really be the maximum.


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Received on 2004-05-05

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