Re: Help.....DSP on ARM9 or ARM7!!!!
- From: "linnix" <me@xxxxxxxxxxxxxxxxxx>
- Date: 30 Jan 2006 10:57:16 -0800
jagdish.dsp wrote:
> Dear Friends,
>
> In my design I need to develope a DSP algorithm on one DSP processor and
> then to interface same with ARM which is handling all the peripherals.
>
> I am thinking if my DSP algorithm can be implemented on ARM or not...so
> need you help. Right now I am using evaluation board of Texas DSK, so
> taking the input from microphone is given to CODEC(A to D conversion)
> whose sampling freq is 32KHz.
>
> I have to implement 8192 point FFT on real time sound data....
You need 16 bits or 2x12bits A2D. I don't think there is 13 bits A2D.
> And also want to implement Low pass FIR filter on Real time sound data
> before doing FFT. So can this be implemented on ARM 9 platform??????
You need over 1GHz ARM, preferrable with muti-media instructions.
> while pareallaly I want to interface one modem, IR receiver,key board, and
> external memory with ARM. If possible please let me know which will be the
> best ARM9 based chip to implement the same.
>
> So is it possible to implement all this on ARM7 or ARM9 platform so with
> one processor only I will have my solution.
What's wrong with DSP?
> What chip should I use for A/D conversion with good sampling of sound.
>
> Please help me.......
> Thanks and Regards,
>
> Jagdish.
.
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