Difference between revisions of "Audio Interchange File Format"

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(Described the sample rate format a bit)
 
Line 31: Line 31:
! scope="col" | Value
! scope="col" | Value
! scope="col" | Bitset
! scope="col" | Bitset
|-
| 8000 || 0x400BFA00000000000000
|-
|-
| 44100 || 0x400EAC44000000000000
| 44100 || 0x400EAC44000000000000

Latest revision as of 15:33, 13 August 2018

AIFF files exclusively store audio data. They serve as somewhat of an Apple analog of the Microsoft Wave format.

Comprehensive AIFF tag listing: http://hul.harvard.edu/jhove/aiff-hul.html

Sample Rate

The sample rate is stored as an extended precision float (80 bits, 10 bytes)

SampleRate Layout
Type Size
SignBit 1 bit.
Exponent 15 bits.
Mantissa 64 bits.
Example Sample Rates
Value Bitset
8000 0x400BFA00000000000000
44100 0x400EAC44000000000000
48000 0x400EBB80000000000000
88200 0x400FAC44000000000000
96000 0x400FBB80000000000000
192000 0x4010BB80000000000000