Audio spike at very beginning of output

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kit105
Posts: 7
Joined: Mon Oct 14, 2013 9:36 am

Audio spike at very beginning of output

Post by kit105 »

Every time I make MKV files from dvd's, I get keep getting a very loud spike at the very beginning of the output file. Has anyone experienced this and is there a way of stopping this?

I'm on a OS X10.7.5 using MakeMKV 1.8.5.
Romansh
Posts: 873
Joined: Sat Jan 22, 2011 7:09 pm

Re: Audio spike at very beginning of output

Post by Romansh »

And you're playing your file with what?
kit105
Posts: 7
Joined: Mon Oct 14, 2013 9:36 am

Re: Audio spike at very beginning of output

Post by kit105 »

I play the files with XBMC v11.0 for Mac OS X
Romansh
Posts: 873
Joined: Sat Jan 22, 2011 7:09 pm

Re: Audio spike at very beginning of output

Post by Romansh »

Does the issue also happen in e.g. VLC 2.1?
kit105
Posts: 7
Joined: Mon Oct 14, 2013 9:36 am

Re: Audio spike at very beginning of output

Post by kit105 »

With VLC 2.1, I can hear a feint audio spike when I play a movie. One other interesting thing with XBMC, when I pause or resume a movie, I can hear an audio spike, not as loud as the I get when starting a movie from the beginning, but still annoyingly noticeable.
Romansh
Posts: 873
Joined: Sat Jan 22, 2011 7:09 pm

Re: Audio spike at very beginning of output

Post by Romansh »

But the spike is not the same in VLC and XBMC, and you don't get a spike in VLC when doing pause/resume?
kit105
Posts: 7
Joined: Mon Oct 14, 2013 9:36 am

Re: Audio spike at very beginning of output

Post by kit105 »

That's right, no spike in VLC when pausing or resuming.
Romansh
Posts: 873
Joined: Sat Jan 22, 2011 7:09 pm

Re: Audio spike at very beginning of output

Post by Romansh »

Yet it's the same file… it's got to be a playback issue. No idea what it could be, all I know is that it isn't caused by MakeMKV.
kit105
Posts: 7
Joined: Mon Oct 14, 2013 9:36 am

Re: Audio spike at very beginning of output

Post by kit105 »

If I leave all the titles and tracks selected the problem doesn't occur. When I only select a specific title and audio track, excluding all other titles, subtitles and foreign audio tracks, that's when the problem occurs.
kit105
Posts: 7
Joined: Mon Oct 14, 2013 9:36 am

Re: Audio spike at very beginning of output

Post by kit105 »

When I use MakeMKV and leave all the default titles and tracks selected, the problem doesn't occur. It's only when select a specific title and audio track, excluding all other titles and foreign language audio tracks that the problem occurs. I choose this option all the time to save time and space.
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