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MP3' Tech - Frame header
http://www.mp3-tech.org/programmer/frame_header.html
MPEG AUDIO FRAME HEADER (mp3 format)
http://www.datavoyage.com/mpgscript/mpeghdr.htm
MPEG AUDIO FRAME HEADER (mp3 format) This is a brief and informal document targeted to those who want to dealwith the MPEG format. If you are one of them, you probably already know whatis MPEG audio. If not, jump to http://www.mp3.com/or http://www.layer3.org/where you will findmore details and also more links.
MP3 File Format Specification - mpgedit
http://mpgedit.org/mpgedit/mpeg%5Fformat/MP3Format.html
An MPEG audio file is built up from smaller parts called frames. Generally, frames are independent items. Each frame has its own header and audio informations. As there is no file header, you can cut any part of MPEG file and play it correctly (this should be done on frame boundaries but most applications will handle incorrect headers).
mp3Frame - ID3.org
This smaller pieces of the audio is then put into something called 'frames', which is a little datablock with a header. I'll focus on that header in this text. The header is 4 bytes, 32 bits, big and begins with something called sync. This sync is, at least according to the MPEG standard, 12 set bits in a row.
MP3 File Structure Description - Multiweb.cz
http://www.multiweb.cz/twoinches/MP3inside.htm
The first 4 Bytes of each frame is frame header and the rest is audio data. Frame header consists of information about frame (bitrate, stereo mode...) and because of that frames are independent items. Each of them can have its own characteristic. It is used eg. in Variable Bitate files, where each frame can have different bitrate. Frame header has this structure (each letter is one bit):
MPEG Audio Frame Header - CodeProject
https://www.codeproject.com/articles/8295/mpeg-audio-frame-header
how to trim header and side information of mp3 frame …
https://stackoverflow.com/questions/18865203/how-to-trim-header-and-side-information-of-mp3-frame-using-naudio-and-c-sharp
For this I have used NAudio and get RawData but I think in the RawData property, it returns all the bytes of the frame including header and side information. Code is given below: private void button1_Click (object sender, EventArgs e) { Mp3FileReader reader = new Mp3FileReader ("file.mp3"); Mp3Frame mp3Frame = reader.ReadNextFrame (); byte [] …
MP3 - Audio File Format
https://docs.fileformat.com/audio/mp3/
The sync word in the header identifies the beginning of a valid frame. This is followed by 3 bits where the frist bit shows that it is an MPEG standard and remaining 2 bits show that layer 3 is used; hence MPEG-1 Audio Layer 3 or MP3. After this, the …
MP3 Audio Frame Header - アカベコマイリ
https://akabeko.me/blog/memo/mp3/audio-frame-header/
MPEG Audio Frame Header - Idea2IC
http://www.idea2ic.com/File_Formats/MPEG%20Audio%20Frame%20Header.pdf
Read the BitRate, SampleRate and Padding (as value of one or zero) of the frame header and use the formula: FrameSize = 144 * BitRate / SampleRate + Padding Example: BitRate = 128000, SampleRate=441000, Padding=0 ==> FrameSize=417 bytes
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