recorded sound is choppy
Moderator: Martin Hairer
recorded sound is choppy
I have an iMac running Mavericks. Using Soundflower I tried recording a sound track (an interview) from a radio station website. The first five minutes of the recording were fine, but beyond five minutes, the voices became choppy and difficult to understand. The same thing happened in a second try. Has anyone else experienced this? Any fixes? Thanks.
recorded sound is choppy
You might make sure that you have your iMac set so that it will not sleep. Â Under SYSTEM Preferences, click on Desktop & Screensaver, then select Screensaver. Â You'll see a button for "Hot Corners". Â Whenever I'm recording, I set the mouse in the upper right, which in my settings disables the screensaver. Â Of course, you could set it so that it never comes on. Â
You should also check SYSTEM Prefs under "Energy Saver" - I have mine to "Never" for both.Â
Unless you have a Time Machine backup that was scheduled during the time you were recording, those would be the two likely culprits.
Hope that helps,
- Jim
Jim Edgar
jimedgarvoices@gmail.com (jimedgarvoices@gmail.com) - @jimedgarvoices
http://www.jimedgarvoices.com - http://about.me/jimedgar
On Sun, Jul 6, 2014 at 6:39 PM, druther4d <forum2mail@hairersoft.com (forum2mail@hairersoft.com)> wrote:
You should also check SYSTEM Prefs under "Energy Saver" - I have mine to "Never" for both.Â
Unless you have a Time Machine backup that was scheduled during the time you were recording, those would be the two likely culprits.
Hope that helps,
- Jim
Jim Edgar
jimedgarvoices@gmail.com (jimedgarvoices@gmail.com) - @jimedgarvoices
http://www.jimedgarvoices.com - http://about.me/jimedgar
On Sun, Jul 6, 2014 at 6:39 PM, druther4d <forum2mail@hairersoft.com (forum2mail@hairersoft.com)> wrote:
I have an iMac running Mavericks. Using Soundflower I tried recording a sound track (an interview) from a radio station website. The first five minutes of the recording were fine, but beyond five minutes, the voices became choppy and difficult to understand. The same thing happened in a second try. Has anyone else experienced this? Any fixes? Thanks.
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recorded sound is choppy
Thanks for the reply. I had anticipated those items you mention - energy saving settings, time machine, etc.
Fortunately, I found that the problem disappeared when I tweaked the IO Buffer Size in Preferences/Sound/Advanced Settings. It had been set at the minimum of 512 and I set it to the maximum of 6144. I don't understand it technically. It sounds too simple, but it worked.
Fortunately, I found that the problem disappeared when I tweaked the IO Buffer Size in Preferences/Sound/Advanced Settings. It had been set at the minimum of 512 and I set it to the maximum of 6144. I don't understand it technically. It sounds too simple, but it worked.
Re: recorded sound is choppy
The most likely culprit was the computer (or AP) running out of incoming audio data, rather than the computer running out of resources. That is suggested by a higher buffer size fixing the problem after your other measures had not. Not a certainty, though, buffers affect performance within and between applications as well, which do have to do with computer resources.druther4d wrote:Thanks for the reply. I had anticipated those items you mention - energy saving settings, time machine, etc.
Fortunately, I found that the problem disappeared when I tweaked the IO Buffer Size in Preferences/Sound/Advanced Settings. It had been set at the minimum of 512 and I set it to the maximum of 6144. I don't understand it technically. It sounds too simple, but it worked.
A buffer is a temporary memory area used when transferring data between devices or applications operating at different speeds.