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mp3Frame - ID3.org
FrameSize = 144 * BitRate / SampleRate when the padding bit is cleared and FrameSize = (144 * BitRate / SampleRate) + 1 when the padding bit is set. The !frameSize is of course an integer. If for an example BitRate=128000, SampleRate=44100 and the padding bit is cleared, then the FrameSize = 144 * 128000 / 44100 = 417
MP3 - Audio File Format
https://docs.fileformat.com/audio/mp3/
An MP3 file consists of MP3 frames where each frame consists of a header and a data block. The frames are not independent and cannot usually be extracted at arbitrary frame boundaries. The data blocks of file contains information about the audio in terms of frequencies and amplitudes.
MP3' Tech - Frame header
http://www.mp3-tech.org/programmer/frame_header.html
MP3' Tech - Frame header. MPEG Audio Layer I/II/III frame header. Within an MPEG audio file, there is no main header, as an MPEG audio file is just built up from a succession of smaller parts called frames. Each frame is a datablock with its own header and audio information. In the case of Layer I or Layer II, frames are totally independent from each other, so you can cut any part of …
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).
MP3 File Structure Description - Multiweb.cz
http://www.multiweb.cz/twoinches/MP3inside.htm
MP3 file is divided into a small blocks - frames. Each frame has constant time length 0.026 sec. But size of one frame (in Bytes) varies according to bitrate. Eg. for 128kbps it is (normally) 417 Bytes and for 192kbps 626 Bytes. The first 4 Bytes of …
MP3 Audio Frame Header - アカベコマイリ
https://akabeko.me/blog/memo/mp3/audio-frame-header/
MPEG Audio Frame Header - CodeProject
https://www.codeproject.com/articles/8295/mpeg-audio-frame-header
MPEG audio files exist in different layers. The most common is the MPEG 1 Layer III (also known as MP3), as it has the most sophisticated compression technology. I know that there are other articles about the MPEG audio frame header (even on CodeProject), but I will go into it a little bit deeper. 2. MPEG Audio Frame.
python - What does a audio frame contain? - Stack Overflow
https://stackoverflow.com/questions/3957025/what-does-a-audio-frame-contain
An audio frame, or sample, contains amplitude (loudness) information at that particular point in time. To produce sound, tens of thousands of frames are played in sequence to produce frequencies. In the case of CD quality audio or uncompressed wave audio, there are around 44,100 frames/samples per second.
Difference between frame and sample in waveform - Sound ...
https://sound.stackexchange.com/questions/41567/difference-between-frame-and-sample-in-waveform
If there are 30 video frames per second and 48000 audio samples per second, you could say that there are 48000 / 30 = 1600 samples per frame, or that an "audio frame" contains 1600 samples, but there literally is no audio frame, it's just a convention for talking about audio with respect to a video frame rate.
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