[nylug-talk] Audio & Video of last night's Python Workshop and the General Meeting about Linux Audio with Sunny Dubey

[Kevin Mark]

On Thu, Oct 25, 2007 at 03:01:02PM -0400, Allen Chan wrote:
> On Thursday 25 October 2007, Ron Guerin wrote:
> > Next thing however, is to try processing that video down into a
> > more compressed full-sized version, and a smaller image
> > podcast-appropriate version.  Perhaps someone will volunteer the
> > necessary information.
> 
> ffmpeg -i NYLUG-2007-10-10-RAW-DIGICAM.MPG -vcodec mpeg4 nylug20071010.avi
> 
> I used the above command to convert the video from its original
> 2,110,503,721 bytes to 199,235,536, a little less than 10% of the
> original size, while retaining the 640x480 video size with only a
> slight degradation in visual quality.  This can probably be refined
> further using more advanced ffmpeg options.
> 
> If anyone is interested, ffmpeg provided the following information:
> 
> Input #0, mpeg, from 'NYLUG-2007-10-10-RAW-DIGICAM.MPG':
>   Duration: 01:36:36.6, start: 0.110000, bitrate: 2912 kb/s
>   Stream #0.0[0x1c0]: Audio: mp2, 32000 Hz, mono, 64 kb/s
>   Stream #0.1[0x1e0]: Video: mpeg1video, yuv420p, 640x480, 104857 kb/s, 25.00 fps(r)
> Output #0, avi, to 'nylug20071010.avi':
>   Stream #0.0: Video: mpeg4, yuv420p, 640x480, q=2-31, 200 kb/s, 25.00 fps(c)
>   Stream #0.1: Audio: mp2, 32000 Hz, mono, 64 kb/s

Took 52 mins on my 800mhz P3.
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