Long: | msb byte 0 | byte 1 | byte 2 | byte 3 lsb |Īn Audio IFF file is a collection of a number of different types of chunks. Data bits are as follows (ie, shown with bit numbers on top): High-order (ie, most significant) bytes first. The bytes of multiple-byte values are stored with the Values are preceded by a 0x - e.g., 0x0A, 0x1, 0圆4.Īll data is stored in Motorola 68000 (ie, big endian) format. Constantsĭecimal values are referred to as a string of digits, for example 123, 0, 100 are all decimal numbers.
This pad byte is notĪ chunk ID (ie, 4 ASCII bytes) as described in About Interchange File Format.Īlso note that when you see an array with no size specification (e.g., char ckData ), this indicatesĪ variable-sized array in our C-like language.
A pad byte can be added to the end of the text to accomplish this. Pascal-style string, a one-byte count followed by that many text bytes. Of standard C, but which will be used in this document, are:Ĩ0 bit IEEE Standard 754 floating point number (Standard Apple Numeric Environment ĭata type Extended). Data TypesĪ C-like language will be used to describe the data structures in the file. You should read theĪrticle About Interchange File Format before proceeding.
This format uses the Electronic Arts Interchange File Format method for storing data in "chunks".
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Widely used in professional programs that process digital audio waveforms. This format is very popular upon Apple platforms, and is Variety of bit resolutions, sample rates, and channels of audio. Audio Interchange File Format (or AIFF) is a file format for storing digital audio (waveform) data.
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