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MPEG-4 Part 14 - Wikipedia
https://en.wikipedia.org/wiki/MPEG-4_Part_14#:~:text=MPEG-4%20Part%2014%20or%20MP4%20is%20a%20digital,container%20formats%2C%20it%20allows%20streaming%20over%20the%20Internet.
MP4 File Format
https://docs.fileformat.com/video/mp4/
MP4(short for MPEG-4 Part 14) is a file format based on ISO/IEC 14496-12:2004 that is based on QuickTime File Format but formally specifies support for Initial Object Descriptors (IOD) and other MPEG features. It is mostly used to store video and audio but can also be used to store subtitles and still images. MP4 files are stored with the .mp4 extension.
Tutorial: Encoding an MP4 File - Win32 apps | Microsoft …
https://docs.microsoft.com/en-us/windows/win32/medfound/tutorial--encoding-an-mp4-file-
For AAC audio, the most important format attributes are the audio sample rate, the number of channels, the number of bits per sample, and the encoded bit rate. Optionally, you can set the AAC audio profile level indication. For more information, see AAC Encoder. The following array contains a list of AAC encoding formats.
How to Repair MP4 Header Corruption Completely
https://recoverit.wondershare.com/repair-video-file/how-to-repair-mp4-video-header.html
An MP4 file is ideally divided into different chunks (parts), and each chunk has an 8-byte header that provides certain details about it. Now, the header section is further divided into 2 chunks (of 4 bytes each). The first section defines the size of the …
MP4 Signature format - File Recovery
http://www.file-recovery.com/mp4-signature-format.htm
MP4 files consist of consecutive chunks. Each chunk has 8 byte header: 4-byte chunk size (big-endian, high byte first) and 4-byte chunk type - one of pre-defined signatures: "ftyp", "mdat", "moov", "pnot", "udta", "uuid", "moof", "free", "skip", "jP2 ", "wide", "load", "ctab", "imap", "matt", "kmat", "clip", "crgn", "sync", "chap", "tmcd", "scpt", "ssrc", "PICT".
MP4 File Format Specification - Stack Overflow
https://stackoverflow.com/questions/29565068/mp4-file-format-specification
Here's the specification of the ISO base format, and here is the MP4 file format specification, both defined as part of the ISO/IEC 14496 standard. Also take a look at the QuickTime MP4 specification. It has a very clear explanation. " ISO 14496-1 Media Format " gives a detailed description of the MP4 layout:
Media container formats (file types) - Web media ...
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Containers
Defines the 3GP container format: ISO/IEC 14496-3 (MPEG-4 Part 3 Audio) Defines MP4 audio including ADTS: FLAC Format: The FLAC format specification: ISO/IEC 11172-1 (MPEG-1 Part 1 Systems) Defines the MPEG-1 container format: ISO/IEC 13818-1 (MPEG-2 Part 1 Systems) Defines the MPEG-2 container format: ISO/IEC 14496-14 (MPEG-4 Part 14: MP4 file format)
Elements of the H.264 Video/AAC Audio MP4 Movie v2 0
https://www.cimarronsystems.com/wp-content/uploads/2017/04/Elements-of-the-H.264-VideoAAC-Audio-MP4-Movie-v2_0.pdf
Elements of the H.264 Video/AAC Audio MP4 Movie midnight, January 1, 1904) when the movie atom was created in coordinated universal time (UTC); set here to '0xCCF85C09'.-Modification Time—A 32-bit integer that specifies the calendar date and time (in seconds since midnight, January 1, 1904) when the movie atom was created in coordinated universal time
MPEG Audio Frame Header - CodeProject
https://www.codeproject.com/articles/8295/mpeg-audio-frame-header
The header at the beginning of each frame is 32 bits long and has the following format. The bit 0 in the header is the most significant bit ( MSB) of the complete header. Note that the position is zero-based; position, length and example are all in bit-format. The sampling rate specifies how many samples per second are recorded.
Advanced Audio Coding (MPEG-2), Audio Data Interchange Format
https://www.loc.gov/preservation/digital/formats/fdd/fdd000112.shtml
ADIF stands for Audio Data Interchange Format and consists of a brief header that precedes AAC data in a file. Note that the compression approach in AAC_MP2 (used in this format) was subsequently refined as AAC_MP4, which requires a different decoder. Production phase: Generally used for final-state, end-user delivery. Relationship to other formats
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