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Recording pitch/tempo unstable

Posted: Tue Oct 10, 2017 4:21 pm
by millers@lls.edu
We have found that a number of recordings speed up to about twice normal speed for about 2 minutes, returning to normal speed after about 5 minutes. This occurs throughout the duration of the recordings. We are using volume normalization during compression and compressing to 64K .mp3 format.

Re: Recording pitch/tempo unstable

Posted: Wed Oct 11, 2017 9:52 am
by support
Do you have the latest version 3.9.9.4?

Re: Recording pitch/tempo unstable

Posted: Thu Oct 12, 2017 2:50 pm
by millers@lls.edu
Yes. In all instances running 3.9.9.4.

Re: Recording pitch/tempo unstable

Posted: Fri Oct 13, 2017 10:32 pm
by support
This is really strange, MCRS doesn't have any DSP code to change the pitch or tempo.
Have you seen any warnings in log file? Something like "connection lost"?

Please send recording sample to support@abyssmedia.com

Re: Recording pitch/tempo unstable

Posted: Mon Oct 16, 2017 5:24 pm
by millers@lls.edu
Sorry. I'm having trouble finding the log files. I am checking AppData for all local users to no avail. Please point me in the right direction.

Re: Recording pitch/tempo unstable

Posted: Mon Oct 16, 2017 11:26 pm
by support
Start MCRS, select View->View Logs and you will get a list of log files.

Re: Recording pitch/tempo unstable

Posted: Thu Jan 25, 2018 9:19 pm
by millers@lls.edu
Sorry for the long silence. I see nothing unusual in the log files. The problem with the recording speed we are experiencing seems to be impacted by the length of time the windows machines we are running MCRS on remain up and running. Re-booting seems to reduce the number of instances. I have sent a sample via email...

Re: Recording pitch/tempo unstable

Posted: Mon Apr 16, 2018 8:08 pm
by millers@lls.edu
from: support@abyssmedia.com
date: Mon, Jan 29, 2018 at 9:34 AM

"It looks like the portions of audio data are dropped due to high CPU or disk usage. Try to decrease the sampling rate to 22050Hz if you record only voices."

THANK YOU, YOUR SUGGESTION SOLVED THE PROBLEM.

--S.