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2004 Aug 06
4
SmartPhone ARM
...pics/PCA_Optimization_WP.pdf
If you have any luck getting the eVC compiler closer to realtime I'd really
like to know. I'm still far from realtime when using Speex 1.1.3 on a HP
iPAQ (Intel pxa255).
Best regards
Bjoern D. Rasmussen
<p>>From: "Greg Cockroft" <greg@agog.com>
>Reply-To: speex-dev@xiph.org
>To: <speex-dev@xiph.org>
>Subject: [speex-dev] SmartPhone ARM
>Date: Wed, 17 Dec 2003 14:14:19 -0500
>
>Target is Spv & Nokia phones ARM and also ipaq ARM.
>
>With the generic fixed point at complexity 0 I am still about 1.6x...
2004 Aug 06
0
SmartPhone ARM
...f you have any luck getting the eVC compiler closer to realtime I'd
really
> like to know. I'm still far from realtime when using Speex 1.1.3 on a HP
> iPAQ (Intel pxa255).
>
> Best regards
>
> Bjoern D. Rasmussen
>
>
> >From: "Greg Cockroft" <greg@agog.com>
> >Reply-To: speex-dev@xiph.org
> >To: <speex-dev@xiph.org>
> >Subject: [speex-dev] SmartPhone ARM
> >Date: Wed, 17 Dec 2003 14:14:19 -0500
> >
> >Target is Spv & Nokia phones ARM and also ipaq ARM.
> >
> >With the generic fixed poin...
2004 Aug 06
2
encoding/decoding example
Hello ,
I saw that in open source projects which use speex , like sweep and
linphone ,
(there are links in speex website to these projects) the encoding/decoding
process is done using vorbis/ogg.
(The encoded files which are produced has , for example, "ogg" header).
Is there anywhere examples using speex library for encoding and decoding
raw files with no "ogg" header?
2004 Aug 06
2
SmartPhone ARM
>What frequency is the ARM processor?
The phone shows ARM720 no freq.
I'm going to have to guess around 100 Mhz.
I ran the same code on an XSCALE ARM 400 mhz. Toshiba e740.
Runs about .33 -> .4x realtime. This is the using the generic fixed point
defines.
Around 5 times faster than I am seeing with the Orange SPV e100.
I am using the 1.1.3 codebase.
Thanks for taking the time to
2004 Aug 06
2
SmartPhone ARM
Target is Spv & Nokia phones ARM and also ipaq ARM.
With the generic fixed point at complexity 0 I am still about 1.6x realtime
for narrowband.
The MS eVC compiler does not support inline assembler, only separate
assembler functions.
Does anyone have a feeling on whether a 2x speedup is possible if I hand
tune a few functions?
-greg.
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