Re: audio record

[Matthias Brennwald]

On 22. Jul 2010, at 22:58, address@hidden wrote:

> Message: 4
> Date: Thu, 22 Jul 2010 21:06:40 +0200
> From: un speakable <address@hidden>
> Subject: audio record
> To: address@hidden
> Message-ID:
>       <address@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi all,
> 
> I have a question to the record function in octave. Everything is working
> very fine, I made my own audio analysis tool. But I have one problem with
> the recording from the microphone.
> x=record(time,samplingrate);
> I can?t change the sampling rate. When I use some other value for the
> sampling rate than 8000 then the time differ from the chosen value, but the
> sampling rate is still 8000. For example:
> x=record(1,44000);
> Here the recording time is 5,8 sec it?s close to the value 44000/8000 ->
> sampling rate is still 8000 but recording time excedes the chosen 1 sec.
> 
> Do you have a solution for this problem or can you help me how I can change
> the sampling rate?
> 
> It woult be great, when you could help me!
> Thank you very much for your help!!
> 
> Regards,
> Tobias

Dear Tobias

I have never had much success with the record function. Also, the record 
function seems to work very differently on different operating machines. As an 
alternative, this might be useful: 
http://www.audioroot.net/index.html?analysis/mataa.html (I recommend the SVN 
version)

Matthias