[gst-devel] preroll (was: Re: [gst-cvs] thomasvs gstreamer: gstreamer/docs/random/ds/)

Benjamin Otte in7y118 at public.uni-hamburg.de
Wed Jul 14 20:44:31 CEST 2004


On Wed, 14 Jul 2004, Thomas Vander Stichele wrote:

> Forgot to reply to this part.  The human ear has a time resolution of
> about 0.05 secs.  This is one of the reasons why ATRAC uses frame sizes
> of about this size - which you'll notice when using minidisc machines,
> because when you splice in them that's the resolution you get.  So your
> 0.07 seconds for vorbis audio is unacceptable.
>
Yeah, it's a horrible horrible thing if pushing the play button in Rb
doesn't work instantly but at once.

> In other cases, it will be even worse.  If you want to write a dj app
> and start an ogg and a wav at the same time, knowing that they have a
> starting beat at the same time, what will it sound like if the vorbis
> takes 0.07 sec to start and the wav 0.01 ?
>
I'd expect the DJ to find the button marked "synchronize", but that's
probably just me.

Benjamin





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