Calculating bitrate

Use some logic please?

kbps = kilobit(s) per second

1 kilobit = 1000 bits

1 byte = 8 bits

1 megabyte = 1024 kilobytes

1 kilobyte = 1024 bytes

1 hour = 60 minutes

1 minute = 60 seconds

Say you want to encode a 25 minutes video at 175 MB,

175 megabytes in 25 minutes…

179200 kilobytes in 1500 seconds…

119.467 kilobytes for every seconds… (aka KB/s)

955.733 kilobits per second… for video, audio, overheads, etc.

Say the audio is about 128 kbps

Then the video = 955.733 – 128 – extras = 827.733 – extras = about 800 kbps.

Why someone need help calculating it, is beyond me.

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