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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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Codec or bitrate or sampling? Which is the most important for the best sound quality?

I have created a very simple youtube downloader but I have a problem to decide which format should I label as "the best audio" format. As a reference I have read ytdl-core sourcecode (youtube downloader written in javascript) and they rank audio…
hdw3
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ffmpeg enforces bitrate value other than what specified

I have a folder containing 1701 image frames named "frame0000.jpg", "frame0001.jpg",..., "frame1700.jpg". When I try to convert them to a video using this command: ffmpeg -r:1751/61 -b:2400k -i frame%3d.jpg video1.avi It produces a video with a…
Mohammad
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Adding silent pause between byte array of two audio

I have multiple audio files converted into byte array for each, and i have start time and end time of each audio file (these audio files are converted from video so i have its time stamps). Now i want to merge these byte array of audio files to…
Darshan
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Effect of Change of Audio Bitrate on Spectrograms

I was working on changing bitrates of some MP3 files from 160kbps to 80kbps just to see how it affects the audio quality and frequencies. So I plotted the spectrogram for both waves and it looks something like this (Upper one being 80Kbps…
Darshan Deshpande
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How to change bitrate of a video using opencv python library

I have to create a application in which I need to read a video and lower its bitrate to decrease the size of video.
Shubham Gupta
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FFMPEG: titlecard for concatentaed video results in slow-mo

I have three clips I have extracted from a longer video. When I concatenate them together everything works fine, as would be expected since they all came from the same source. Now I want to add a title card to the front of the merged video. I…
epilitimus
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Does MediaPlayer only play mp3 files that have bit rate mode: variable?

I'm building an mp3 player app and certain mp3 files won't play. It's the same mp3 files every time that wont play. No errors are thrown and when I click to play them, everything works as if the audio is about to play, but then no audio comes out,…
Tedious
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Flowplayer user choose bitrate - like Youtube

I would like to extend Flowplyer HTML controls with choose bitrate functionallity - like on Youtube. So user would get list of possible bitrates (from Wowza) and then he could switch between different bitrates. Is that even possible in Flowplayer.…
Sobis
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I can't forward & view the length of the file recorded in RecordRTC

I can only backward/forward and view the length of the mp3 file recorded from RecordRTC when it's done playing, and also I can't even play the file in vlc. I only played it in chrome browser. Here is my code: $.each($('#remoteVideos video'),…
Jin
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what is bits per sample Structure of .wav Audio Files

in the example of this post http://dracoater.blogspot.com/2008/11/comparing-2-audio-wav-files.html bits per sample is 0010 or 16 (in DEC) but why each sample contains 4 bytes ? 4 X 8 = 32 bits !?
user4254398
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Determine maximum bitrate supported to record videos

Currently my bitrate is hardcoded to ~2mb/s. I want to set it to the maximum bitrate supported by the device, but I'm not sure how to check it. Here's part of my code if it helps: MyRecorder = new MediaRecorder(); // ... …
stubborn
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Re encode an audio stream recording on the fly?

Is it possible to rip an audio steam with Variable Bit Rate encoding and re encode it on the fly as it is being recorded with Constant Bit Rate encoding? I am downloading an audio stream in AAC format with VBR encoding using cURL. The duration of a…
gunter
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capturing packets - two theoretically the same approaches, different results

I have stable stream source with constant bitrate = 10.69Mbps. I'm trying to create bitrate analyser using two approaches. First one is using scapy sniff function, another one is simple packet length counter using sock.recv(). The biggest problem is…
Yenjay
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Why scapy module is inconsistent, loosing constant amount of packets during sniffing?

I created program, glueing two others: Multicast receiver from: How do you UDP multicast in Python? scapy packet sniffer: https://thepacketgeek.com/scapy-sniffing-with-custom-actions-part-1/ I'm wondering why my program is inconsitent in packet…
Yenjay
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My Video Filesize Does Not Equal Bitrate x Time

I'm trying to use ffmpeg to encode some videos with h264. I'm trying to hit a target filesize. My code is: D:\SOFTWARE\ffmpeg\bin\test\ffmpeg.exe -i "%~1" -c:v libx264 -preset veryslow -b:v 200k -an "%~n1.mp4" The video is 15 seconds long. So I've…
Supercreature
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