audio bit rate

Mar 22, 2020
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I have this video converter https://videoconverter.wondershare.com here and it's the best and works great.

When setting the audio bit-rate to 258 it set the video to any # between 200 and 258. So, why want won't it all be saved at 258 instead of different rates?
May be this is normal result for you settings ... https://www.bbc.co.uk/bitesize/guides/z7vc7ty/revision/4
This is example and yours previous settings coreect you bitrate as normal value and this is 258. If you set another - program calculate and replace yours value to 258 as correct of initial data (list on bbc). I'm think this is can be cause.