Recording pitch/tempo unstable

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millers@lls.edu
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Joined: Thu Jul 20, 2017 8:18 pm

Recording pitch/tempo unstable

Post 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.

support
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Re: Recording pitch/tempo unstable

Post by support »

Do you have the latest version 3.9.9.4?

millers@lls.edu
Posts: 8
Joined: Thu Jul 20, 2017 8:18 pm

Re: Recording pitch/tempo unstable

Post by millers@lls.edu »

Yes. In all instances running 3.9.9.4.

support
Site Admin
Posts: 421
Joined: Fri Feb 13, 2004 1:05 pm

Re: Recording pitch/tempo unstable

Post 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

millers@lls.edu
Posts: 8
Joined: Thu Jul 20, 2017 8:18 pm

Re: Recording pitch/tempo unstable

Post 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.

support
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Re: Recording pitch/tempo unstable

Post by support »

Start MCRS, select View->View Logs and you will get a list of log files.

millers@lls.edu
Posts: 8
Joined: Thu Jul 20, 2017 8:18 pm

Re: Recording pitch/tempo unstable

Post 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...

millers@lls.edu
Posts: 8
Joined: Thu Jul 20, 2017 8:18 pm

Re: Recording pitch/tempo unstable

Post 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.

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