Re: Sample Rate Conversion Quality in ALSA

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Aug 21, 2006 at 03:02:07PM +0200, Marc Brooker wrote:
> Let me see if I understand you correctly. In the scenario that you
> presented the application is told that there are 940 samples per
> period. ALSA, internally, converts these to 1024 samples per period at
> 48kHz sample rate. So the material (sampled at 44100Hz) is played back
> at a rate of 44062Hz? I don't know enough about the field to know if
> this error (0.08%) will be audible.

To put that in perspective, a semitone is around 6% change in pitch.
The error here looks small at 0.08% but it's enough to make a musical
note sound out of tune.

John

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/alsa-devel

[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux