Re: Sound Input Meter (Or, getting amplitude of input stream)

FROM : Dirk van Oosterbosch
DATE : Thu Apr 14 23:59:18 2005

Hi Oliver,

> So where do I look next?


if you want to use CoreAudio and MTCoreAudio, the recordotron example
might be interesting for you:
http://borkware.com/rants/sound/

More precisely I came across a thread on the coreaudio-api mailing
list: "Newbie: trying to log samples", which handles this exact topic.
Starting here:
http://lists.apple.com/archives/coreaudio-api/2005/Feb/msg00016.html

so maybe this might not the best list to ask  ;-)
HTH
dirk


On 14-apr-05, at 21:08, Olivier Lanctôt wrote:

> First, I want to say that it's really a major pain to record sound in
> Cocoa. Really. Anyway, I can sucessfully record from the sound input
> to AIFF... which is an important part of my app.
>
> But when recording, I think the user should have a visual feedback of
> the input's amplitude (e.g. sound meters...)
>
> [snip]
>
> I've carefully inspected MTCoreAudio too -- found nothing that could
> have
> helped me.
>



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Dirk van Oosterbosch

audio + annotation + insight =  Intellistener
http://labs.ixopusada.com/intellistener
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