[Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-20 Thread Derek Fountain
I'm using a tuned version of the 3 pass lav2avi.sh script which basically does: lav2wav ... & lav2yuv ... | mencoder ... lav2yuv ... | mencoder ...vpass=1... lav2yuv ... | mencoder ...vpass=2... I wanted to put a denoise step in there. The options seem to be, 1) stick a denoise on each lav2y

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-20 Thread Steven M. Schultz
On Mon, 20 Sep 2004, Derek Fountain wrote: > I'm using a tuned version of the 3 pass lav2avi.sh script which basically > does: The MPlayer/mencoder developers have deprecated (and highly discourage the use of) the 3 pass method and recommend the use of the 2 pas

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-20 Thread Martin Collins
On Mon, 20 Sep 2004 16:12:31 +0800 Derek Fountain <[EMAIL PROTECTED]> wrote: > I wanted to put a denoise step in there. The options seem to be, > > 1) stick a denoise on each lav2yuv step and do the denoise 3 times What Steven said about 3 pass. > 2) stick a denoise on the last lav2yuv step and

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-20 Thread Steven M. Schultz
On Mon, 20 Sep 2004, Martin Collins wrote: > What Steven said about 3 pass. I had hoped to say "forget it - it's twice the encoding time for relatively little benefit". For causual viewing it's not worth the extra time and for archival purposes I'll create a high rate

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-20 Thread Martin Collins
On Mon, 20 Sep 2004 13:35:46 -0700 (PDT) "Steven M. Schultz" <[EMAIL PROTECTED]> wrote: > I know the mplayer/mencoder folks verge on being fanatical Period :-) > about the 2 pass method but the times I've used it there was > little to no difference (except for the elapsed time

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-21 Thread Derek Fountain
> But since it sounds like the goal is computer playback in small areas > (384x288 or so) this might be worth thinking about: > > For lower ("VCD") resolution I think it's better capturing at the > 1/2 size (384x288 for "PAL") to begin with. This will be progressive > (since it's only 1 fiel

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-21 Thread Martin Collins
On Tue, 21 Sep 2004 17:25:00 +0800 Derek Fountain <[EMAIL PROTECTED]> wrote: > While I'm asking, here's another quick question: can I do anything > with the sound to lower the file size? It's just crowd noise and > commentary so I can drop the quality right down if that's possible. > I was just tr

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-21 Thread Derek Fountain
> > I'm using a tuned version of the 3 pass lav2avi.sh script which basically > > does: > > The MPlayer/mencoder developers have deprecated (and highly > discourage the use of) the 3 pass method and recommend the use > of the 2 pass method. The lav2avi.sh script hasn't been > updated/rewritten

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-21 Thread Steven M. Schultz
On Wed, 22 Sep 2004, Derek Fountain wrote: > The MPlayer docs describe the 2 pass method like this: ... > but, er, that doesn't appear to make sense when the input is coming from > lav2yuv because there's no sound. So what is the two pass method now > recommended? 1 audio pass and 1 vi

Re: [Mjpeg-users] Where to denoise in 3 pass encoding

2004-09-21 Thread Derek Fountain
> mencoder -audiofile out.mp3 -oac copy ... > > just prepare the .mp3 or whatever ahead of time and use that. OK. That appears to mean the lav2wav-to-mp3 stage is still required, which is what I thought. I still have it in my script. > As an experiment you might try doing a one pass encod