On Tuesday 20 January 2009, Gale (Audacity Team) wrote:
> Hal Vaughan wrote:
> > I use Audacity to put together music and pieces for ballroom dance
> > exhibitions and showcases. Often we have to anticipate DJs
> > miscuing a track or being able to start the music ourselves, then
> > still having time to get into position for the start of a number.
> > It's easy enough for me to insert 5-15 seconds of silence at the
> > start of a number with Audacity, but what puzzles me is that when I
> > do this, then save the files to flac and play them, whatever player
> > I use does not count time properly during the silence. For
> > example, I created a track with 15 seconds of silence and played it
> > back in Amarok and the timing counter showed 1 second, then about
> > 3-4 seconds later changed to 2 seconds, and finally, toward the end
> > of the 15 second silence, counted 3-4-5-6 in about 5 seconds or so.
> > When the music started after the 15 seconds of silence, the timer
> > read only 6 seconds had been played. The same thing (or almost the
> > same thing) happened when I burned the flac file to a CD as a
> > regular CD track and played it back.
> > Is there some simple way I can make sure time is kept during
> > silence?
> Hal - as I asked you in response to your last post, can you please
> update us on whether you are now using Audacity 1.2.6, 1.3.5 or
> whatever? It really helps when trying to answer questions.
Sorry -- spaced out on that. I haven't had time yet to go over what I
was doing (I think I know what the answer may be to that other question,
but haven't had time to verify it). I'm using 1.3.5-beta in Ubuntu
> I can only test on Windows but I tried generating a tone in Audacity,
> inserting 15 seconds at the start, then exporting as FLAC and WAV. I
> converted the WAV to FLAC using the FLAC command line encoder. Both
> FLAC files count time properly in Windows Media Player, Foobar and
> Winamp, but do not do so in VLC (even when the audio is reached).
> Both FLAC files have the correct reported length. VLC counts time in
> WAV files properly.
> So, I suggest it could be a bug in Amarok in relation to FLAC (or a
> bug in FLAC that occurs in certain media players), and that you
> report it to both VLC and FLAC and let us know here what they say.
It could be in Amarok, but it also shows when I try to play it on a CD.
Then again, it could be a consistent issue in how Amarok converts it to
.wav for CDs.
Next time I'll write it to a .wav file and see what happens with that.
As for reporting bugs to VLC, their stock answer right now is, "You're
on Ubuntu, which doesn't use all the codecs, so it's their fault." I've
been running into that with problems transcoding .mts files to MP4s.
Other programs do it on my system, but VLC doesn't so the VLC folks say
When I'm working on this again (which I hope is soon), I'll try it with
.wav files and see how it works and report it.