[Lab] DSP

Jean-Marc LeBlanc jeanmarc.leblanc at gmail.com
Mon Oct 24 11:16:59 EDT 2011


ah good my dreams are not crushed lol!  I just want to do simple
effects on the voice.  Do you have any resources or a general Idea of
the experiments you did with wave files?

(forgot to cc the lab)

Jean-Marc Le Blanc
---

"Do you pine for the nice days of Minix-1.1, when men were men and
wrote their own device drivers?" Linus Torvalds




On Mon, Oct 24, 2011 at 11:06 AM, Tom Burns <tom.i.burns at gmail.com> wrote:
> 150mhz ARM could do simple DSP, but will choke once you get math heavy.
> I thought you meant more like an AVR atmega in terms of microcontroller.
> A more powerful general CPU is probably the simplest thing to use.
> Hardware DSPs often have non-free compilers or even their own language to
> use for development.
> Tom
>
> On Mon, Oct 24, 2011 at 11:03 AM, Jean-Marc LeBlanc
> <jeanmarc.leblanc at gmail.com> wrote:
>>
>> really? so I would not be able to make for example a voice changer
>> with an arm 150mhz is single cycle multiplier–accumulators (MAC) (not
>> sure what this is but seems useful for FFT).
>>
>> I suppose I should go with an actual DSP rather than a micro controller?
>>
>> Jean-Marc Le Blanc
>> ---
>>
>> "Do you pine for the nice days of Minix-1.1, when men were men and
>> wrote their own device drivers?" Linus Torvalds
>>
>>
>>
>>
>> On Mon, Oct 24, 2011 at 10:52 AM, Tom Burns <tom.i.burns at gmail.com> wrote:
>> > Hi Jean-Marc,
>> > A microprocessor is too underpowered for realtime DSP.
>> > I've done a bit before just writing to WAVE files directly to play with
>> > ideas.
>> > The guys from audiodamage are flirting with an idea for a beagleboard +
>> > LCD/interface in a box that can load sound modules.
>> > They'll also be providing the code so that you have to write one
>> > function
>> > that gets passed the input signal and returns the output signal.
>> > There's no target release date for this box yet but it should bring
>> > hardware
>> > DSP to the masses for around $500.
>> > Tom
>> > On Mon, Oct 24, 2011 at 10:48 AM, Jean-Marc LeBlanc
>> > <jeanmarc.leblanc at gmail.com> wrote:
>> >>
>> >> Any one has any resources web free on DSP? I would like to get into
>> >> sound processing and adding effects.  I am thinking of practicing on a
>> >> pc with wave files then trying my luck on a micro.  I am not too sure
>> >> how to go about it but for now I am reading this web book that seems
>> >> to cover the basics
>> >>
>> >> http://www.dspguide.com
>> >>
>> >> thanks,
>> >> Jean-Marc Le Blanc
>> >> ---
>> >>
>> >> "Do you pine for the nice days of Minix-1.1, when men were men and
>> >> wrote their own device drivers?" Linus Torvalds
>> >>
>> >> _______________________________________________
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>> >> http://artengine.ca/mailman/listinfo/lab
>> >
>> >
>
>



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