[vlc] Re: newbie theorical question

[Benjamin Pracht]

On Wed, Aug 31, 2005, Marcelo Manzato wrote :
> Hi,
> 
> It has been some time I'm trying to understanding some
> parameters given to encoders like ffmpeg from the vlc,
> mainly at the transcoding tasks. The one that I still
> cannot understand is the relationship between the
> video/audio bitrate and the other parameters, such as
> width, height, fps and samplerate. 
> 
> It seems that if I specify a bigger frame size, for
> instance, I will get a higher bitrate, but how does
> vlc work with that if the user can specify both
> parameters (bitrate and frame size)?
> In other words, will the bitrate specified by the user
> for the video and audio be unchanged  at the
> transmission, independently the other parameters?
> 

There is a 3rd parameter : Quantization. That means that if you specify
a bigger size with the same bitrate, you're likely to have an higher
distortion.

-- 
BigBen

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