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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 exactly does bitrate mean in an video/audio file?

I use ffmpeg to convert videos from one format to another. Is bitrate the only parameter which decides the output size of a video/audio file?
Jobin Jose
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Extracting audio bit and sampling rate information in JS before upload

I am building an application that allows authenticated users to use a Web browser to upload MP3 audio files (of speeches) to a server, for distributing the audio on a network. The audio files need to use a specific bit rate (32kbps or less) to…
vrtjason
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setting video bit rate through ffmpeg API is ignored for libx264 Codec

I am transcoding a video using FFMPEG API in c code. I am trying to set the video bit rate using the ffmpeg API as shown below: ovCodecCtx->bit_rate = 100 * 1000; The Encoder I am using is libx264. But this parameter is not taken into effect and…
user1522872
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calculate bitrate from video video

Im trying to calculate the bitrate from a video, but Im not sure if its correct. I know that some of the formula is size divided with seconds on the movie. But shouldnt I calculate with the audio also ? Or how does it work. ? exp. I have a video…
Dymond
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How can I easily read video duration and bitrate in Java?

This is my first project in Java. I'm creating batch FTP video uploader applet in Java. Before I start uploading videos I need to read the video duration and video bitrate from the video files. I did some research on Google but I only found some…
trkich
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How to know the byte offset of a specific CBR MP3 frame?

I created my own MP3 frame parser. I can read each frame individually if I do it sequentially. My problem is that I have yet to figure out how to find the byte offset of the nth frame (without having to read all the prior frames). CBR makes this…
Maxime Dupré
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iPhone App rejected. 9.4 : Video streaming over cellular network (etc)

From Apple: 9.4 We found that your app does not use the HTTP Live Streaming protocol, with a baseline stream of 64 kbps, to broadcast streaming video, as required by the App Store Review Guidelines. This is not the first time we had this…
alex
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Reduce bitrate of video with ffmpeg

I'm using ffmpeg to check the bitrate of given videos and my goal is to reduce it to half of the original bitrate. For test purpose I executed this command ffmpeg -i example.avi and I saw that the bitrate of the videos was around 1030 kb/s I want…
Z.Chorlev
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sending udp cbr content using ffmpeg makes memory problem

I am struggling with muxing a few UDP inputs (SPTS from file) in one UDP output (MPTS). When I use following command ffmpeg -thread_queue_size 2048 -i "udp://233.0.0.1:4005?fifo_size=1000000&buffer_size=10000000" -thread_queue_size 2048 -i…
Przemo
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Manually Calculate Youtube Video Bitrate

I'm newbie to video processing world. My goal is to understand how YouTube posts 2,250-6,000 Kbps video bitrate for 720p @ 60fps video at https://support.google.com/youtube/answer/2853702?hl=en. I'm ignoring audio at the moment. Here's my…
watchtower
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How to change bitrate with nreco functions using textbox?

I'm trying to write a converter in C # using Nreco.VideoConverter. I've never had any experience with these before. I started researching this area because I was asked at work. My problem is; I can change the bitrate value in video converter. If you…
Zeynep Baran
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Issue starting playback with high variable bitrate video using the Media Source Extension API

Question: What is causing the video playback to get stuck indefinitely? I'm using Safari. I have a video file that has a rather high bitrate: 10596496 bits/second I suspect that the bitrate is varying a lot throughout the duration (4 minutes and 7…
arcman77
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OpenAL is only making noise when I try to play a wav-file with 2116kbps, what is wrong?

I am trying to play a wav-file with the bit rate 2116kbps with Python using the OpenAL library but it only produces white noise. What am I missing? The audio file is working properly if I use VLC-player. The file also works fine if I reduce the bit…
RasmusN
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Difference between sampling rate, bit rate and bit depth

This is kind of a basic question which might sound too obvious to many of you , but I am getting confused so bad. Here is what a Quora user says. Now It is clear to me what a Sampling rate is - The number of samples you take of a sound signal (in…
RC0993
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Does there exist any android api that returns mediafile bitrate, framerate etc?

I'm trying to build an android app which generates media file statistics e.g. bitrate for audio & bitrate, frame rate, codec information etc for video. I have been able to create playlist based on the files available on external storage on mobile…
splintercell
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