[Speex-dev] Speex Codec Question

[Jean-Marc Valin]

Le mercredi 19 juillet 2006 à 18:42 +0800, Janus.Wang at QMITW.COM a
écrit :
> Hi Jean-Marc,
> We already decided to use Marvell's 88F8618 platform,

No clue what that chip is.

> But I have few questions to you and listed it below,
> 
> Q1, Can we implement the Speex Codec on Marvell 8618 for non-HW DSP of platform?

Care to give the specs?

> Q2, Based on ARM9 CPU core, do you have any information to let me estimation the voice computing power for Speex codec?

What sampling rate, what bit-rate?

	Jean-Marc

> Sorry to bother your job again....
>  
> Best Regards
>  
> Janus ( Freedom )
> System Engineering / PLM
> Quanta Microsystems, Inc.
> TEL : +886 (3) 571-5996 # 5217
> Mobile : +886 0953-499071
> Mail : janus.wang at qmitw.com
> MSN : freedom_janus at hotmail.com
> SKYPE : freedom_janus
>  
> 
> -----Original Message-----
> From: Jean-Marc Valin [mailto:Jean-Marc.Valin at USherbrooke.ca] 
> Sent: Saturday, June 03, 2006 7:40 PM
> To: Janus Wang(王正宇)
> Cc: speex-dev at xiph.org
> Subject: Re: [Speex-dev] Speex Codec Question
> 
> 
> > Q1, how much of MIPS we need to reserve the system computing power for
> > Speex Codec needed?
> 
> It greatly depends on your chip. Some numbers I've had on the latest
> version (svn) are about 30 MIPS on ADI Blackfin and about 40 MIPS for TI
> C55x and C6x DSPs. That's at 15 kbps narrowband, complexity 1. Other
> settings will change the complexity.
> 
> > Q2, do we need to use the voice DSP for Speex Codec needed?
> 
> Sorry, could you rephrase your question?
> 
> 	Jean-Marc
> 
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