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Questions tagged [bitrate]

Bitrate refers to the amount of information transferred or processed per unit of time, usually expressed in bits per second (bit/s) or multiples thereof. Bitrate can be used to express a number of things, such as the bandwidth of a computer interface, the level of quality of a digital audio or video stream, or the speed of file transfers.

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Does it make sense converting a file to a higher audio bitrate?

When a certain file (mp4, flv, etc) has a 95 kbps audio bitrate - does it make sense outputing to a higher bitrate when converting to mp3 or other format (be it lossy or not)? Would this result in ...
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How to know whether a audio file is CBR or VBR?

File size of an CBR(Constant bitrate) audio recording can be calculated using a formula: File Size (Bytes) = (sampling rate) × (bit depth) × (number of channels) × (seconds) / 8 E.g., a 70 minutes ...
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What is the best way to reencode a video with Xvid?

What is the best way to reencode a video with Xvid? I used FFmpeg in the past (I havent tried using FFmpeg with Xvid however - does FFmpeg keep up with Xvid releases?). With FFmpeg I either need to ...
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Optimal iPad video settings?

I'm converting some video to put on an iPad, and recently MPEGStreamclip has been producing unsatisfactory results when I try and load it onto the device. What are the optimal video settings for an ...
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How does ffmpeg determine individual stream bitrates?

For example, I have a video for which ffmpeg shows Duration: 00:46:43.72, start: 0.540000, bitrate: 2593 kb/s Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR 16:15 DAR 4:3], ...
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Understanding buffer/bitrate statistics in Media Player Classic

I understand that the two numbers under bitrate are the average bitrate and the current bitrate of each stream. But what are the two numbers under buffers? I suppose the second one is the amount of ...
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1answer
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How to see media files (namely `flv`) details/info in Windows 7?

I see that for many media files, under Properties/Details there are some needed info like audio/video bitrate, but it seems limited - for example it does not work for flv. Is there a way that would ...
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1answer
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Video compression with ffmpeg - Constant quality

I am trying to compress videos of 10 seconds at different bitrates with ffmpeg. My aim is to obtain the same video at different qualities (from very low to very high). I don't want to touch audio part ...
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Unable to re-encode audio stream with different bitrate using ffmpeg

A similar question has been asked elsewhere without a satisfying answer for me. The following ffmpeg command results in error. When "-c:a copy" is added to just copy the audio stream, the video ...