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Questions tagged [bitrate]

Bitrate is the number of bits that are conveyed or processed per unit of time.

Bitrate is the number of bits that are conveyed or processed per unit of time.

More information at https://en.wikipedia.org/wiki/Bit_rate

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What is the difference between baud rate and bit rate?

I am really having hard time understanding the difference. Some say they are same, while others say there is a slight difference. What's the difference, exactly? I would like it if you explained with some analogy.
dimSutar
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How to convert High bitrate MP3 to lower rate using FFmpeg

We want to convert 320kbps mp3 file to 128kbps mp3 so currently we are using below ffmpeg command but its not working. ffmpeg -i input.mp3 -codec:a libmp3lame -qscale:a 5 output.mp3 Result:-the output bitrate same as input mp3. And we are following…
user4571931
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How to force Constant Bit Rate using FFMPEG

I use FFMPEG (command line Input) to convert my videos to a specific output format. The problem I am facing is when I try to pass a constant bit rate(700 kbps) to FFMPEG, the result is an output video with a different bit rate(say 1000 kbps). This…
user1338254
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What bitrate is used for each of the youtube video qualities (360p - 1080p), in regards to flowplayer?

When using flowplayer with the bandwidth check plugin , you need to state the bitrates for the different video quality. Here what it looks like: // the bitrates, video width and file names for this clip bitrates: [ { url:…
user2650277
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ffmpeg FLAC 24 bit 96khz to 16 bit 48khz

Trying to figure out ffmpeg, currently working on getting 24bit/96khz FLAC files into 16bit/48khz.
Corey
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How to get Sampling rate and frequency of music file (MP3) in android?

I am developing audio player in android. So i want to add the details of the playing song i.e. Artist Name, Duration, Bit rate and sampling frequency. I can get Artist Name and duration of a music file by using MediaStore.Audio.Media library. But i…
Sandy
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How to set average+max bitrate for MediaCodec to encode H.264 video?

I'm using MediaCodec to encode H.264 video from camera, the problem is, when I move my phone, the output video's quality is very pool, full of mosaic/visual blocks in the video. Belows are some details: My encoder bitrate is 500 kbps, and…
Piasy
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sox for converting flac file to 320 bit mp3

I have installed sox with support for both mp3 and flac. The below command also successfully converts flac to mp3 sox /song_files/Daughter_of_Evil.flac /song_files/Daughter_of_Evil.mp3 My problem is that the "Daughter_of_Evil.mp3" is not 320 bit…
user1058797
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How to calculate audio file size?

You have 30 seconds audio file sampled at a rate of 44.1 KHz and quantized using 8 bits ; calculate the bit rate and the size of mono and stereo versions of this file ؟؟
Osama Al-far
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FFMPEG ignores bitrate

I am new to video encoding so bear with me. I am using FFMPEG. I have an mp4 file which is 640 x 350 with an average bitrate of around 2000kb (I think) and a filesize of 80Mb. I want to convert this to an ogv file with a much lower bit rate (128kb)…
Kevin Brydon
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MP3 bitrate detection through frequency spectrum analysis

Is there any program that detects the bitrate of an MP3? I'm not talking about the effective bitrate that the file has been encoded with, but the real bitrate that can be calculated only by frequency spectrum analysis. For example, if I have an MP3…
eimiar
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How can I determine the bitrate type of mp3 files with Python?

How to determine the type of the bitrate used for an mp3 file, e.g. CBR, VBR or ABR?
Cosmologist
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Batch reduce bitrate and size of mp3 audio files with ffmpeg

I was looking for a way to batch reduce mp3 bitrate on my sizable collection of mp3 files. It was surprising difficult given that this must be a super common thing to want to do. In fact, there are dozens, maybe hundreds, of posts from people…
Wes Modes
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FFMPEG - bufsize formula

Does anyone know what the formula is for bufsize along with the rate it checks in FFMPEG? I can't seem to find any concrete answer to this. Is it: bufsize = bitrate / rate ? And should it be using maxrate as opposed to bitrate in the…
Data
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Is it possible to change volume with no reencode with ffmpeg?

I just had this question because I used the following command with ffmpeg: ffmpeg -i input.wav -filter:a "volume=0.2" output.wav Following the documentation here: https://trac.ffmpeg.org/wiki/AudioVolume However, when I created the new file, the…
John Smith
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