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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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How can I get the same bitrate of input and output file in pydub?

I've use pydub to output a file(chop the file into shorter one), everything is great, but the bitrate has changed from 256k to 124k(why I will get this number instead 128k?). I know that AudioSegment has an argument to set bitrate, but I just want…
Leo Hsieh
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How to read the bit rate information from a .mov video file header (QuickTime File Format)?

I've been trying to read some values out of the metadata of a .mov file (QuickTime File Format) with limited success. I've been using the following link as a reference: Introduction to QuickTime File Format Specification I've managed to correctly…
Sheridan
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Set content-length when converting video stream to audio (w/ FFMPEG & Node.js)

So I'm building a program that requires that I take a video and convert it to audio. I'm currently streaming the audio directly to the browser via node.js, but I've run into a major problem: I don't know how to find out how many bytes my audio is.…
Taconut
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Find bitrate of an audio file on a website without downloading the file

I want to find the bitrate of an mp3 on a website without downloading the file. Using Python3 & Mutagen Ported Version Code from mutagen.id3 import ID3 audio =…
Muneeb K
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Why bandwidth is measured in bits per second?

According to the definition of the bandwidth, it is the width of the frequency spectrum. Hence bandwidth should be measured in Hz. But bps, Mbps, kbps have been used as the measurement of bandwidth almost everywhere. What I need to know is, …
buddhi weerasinghe
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Is "Bit rate" property fixed in index 28?

I am trying to read "Bit rate" property of audio files. I know how to get the value but the way I am doing it I don't think is the most efficient. Shell shell = new Shell32.Shell(); Folder objFolder = shell.NameSpace(path); for (int i = 0; i <…
ahsant
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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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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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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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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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In ffmpeg: Can't get peak bitrate values within 10% error tolerance for HLS playlist files

I'm using ffmpeg to produce several HLS variant playlists from an .mp4 file. When I check master.m3u8 file with mediastreamvalidator I get: Error: Measured peak bitrate compared to master playlist declared value exceeds error tolerance I…
ALS20394
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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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