[tremor] Tremor on DSP

Jaime Andres Aranguren C. jaac at impsat.com.co
Thu Aug 28 12:03:18 PDT 2003



May I join the project? Working on SHARCS (floating point DSPs by Analog
Devices)

JaaC
----- Original Message -----
From: kapil vorbis <kapil_ogg_vorbis at hotmail.com>
To: <tremor at xiph.org>
Sent: Thursday, August 28, 2003 8:37 AM
Subject: Re: [tremor] Tremor on DSP

<p>> Thanks for the info.
>
> I just checked one of the earlier postings about the TI DSPs not having a
> 64bit type.  That's unfortunate, because I had been thinking about using a
> TI DSP.
>
> When you say that i would need a faster 32 bit DSP to compensate if
there's
> no 64 bit multiplication, is that just so that i can do the multiplication
> piece-wise and combine the results in a faster time frame?
>
> Thanks.
>
> >From: "timmy brolin" <timmy at home.se>
> >Reply-To: tremor at xiph.org
> >To: tremor at xiph.org
> >Subject: Re: [tremor] Tremor on DSP
> >Date: Thu, 28 Aug 2003 12:30:41 +0200
> >
> >A 74MHz ARM7 with a few hundred kB or RAM is sufficient acording to some
> >previous posts.
> >A 32bit DSP with similar performance should work nicely.
> >It is important that the DSP you choose have a 32bit*32bit=64bit
> >multiplication instruction. Otherwise you will need a faster DSP to
> >compensate.
> >
> >/
> >Timmy
> >-----
> >Original Message-----
> >From: "kapil vorbis" <kapil_ogg_vorbis at hotmail.com>
> >To: tremor at xiph.org
> >Date: Thu, 28 Aug 2003 00:09:29 -0400
> >Subject: [tremor] Tremor on DSP
> >
> >Hi,
> >
> >Myself and a friend are trying to implement the Tremor code onto a DSP to
> >use as a minimal Ogg Vorbis player.
> >
> >I'm trying to figure out the specs required for such as DSP, such as
> >memory,
> >cache, speed, etc.
> >
> >Is there a listing of the minimum resources utilized by the Tremor
package
> >available on the web?
> >
> >Thanks
> >
> >Kapil
> >
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