I would like to encode some video files with muxed audio tracks in it but i just want the video to be encoded and keep the audio tracks as it is.
In order to calculate the appropriate bitrate for my encoder to proceed the video file i would like to know the audio tracks file size in my source file.
I thought it would be easy to figure it out but i can't find any tool who whould provide this basic information.
For exemple in Media Infos i've got the bitrate of the audio track but not the actual size in Mb.
I know that i could figure out the size by myself with the bitrate and the duration information but i'd like to know if there is a tool that provide the info directly please.
Thanks for your tips !
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As with video:
size = bitrate * running time
Yes, and also, for LPCM audio raw streams:
bitrate = running time * samplerate * bitdepth * #channels