Specifications

Chapter 5: Pro Tools Systems 51
Avid HD Audio Interface Features
The following table lists the input and output capabilities of the various Avid HD audio interfaces for Avid
HDX, Pro Tools|HD, and HD Native systems. Each HDX card in your system supports a maximum of 64
channels of I/O. Each Pro Tools|HD card supports a maximum of 32 channels of I/O. HD Native hardware
supports a maximum of 64 channels of I/O. To record and play audio with Pro Tools HD with any of these
hardware configurations, you must have at least one Avid HD audio interface connected to the first port of
the first card (or Thunderbolt interface) in the system.
Avid HD audio interface channel capabilities
Interface Type
Number of I/O
Channels
Sample
Rates (kHz)
A/D
Conversion
D/A
Conversion
Digital I/O
HD I/O 16 in/16 out 44.1, 48,
88.2, 96,
176.4, 192
24-bit 24-bit 24-bit
HD OMNI 8 in/8 out 44.1, 48,
88.2, 96,
176.4, 192
24-bit 24-bit 24-bit
HD MADI 64 in/64 out 44.1, 48,
88.2, 96,
176.4, 192
None None 24-bit
192 I/O 8 in/8 out 44.1, 48,
88.2, 96,
176.4, 192
24-bit 24-bit 24-bit
192 Digital I/O 8 in/8 out 44.1, 48,
88.2, 96,
176.4, 192
None None 24-bit
96 I/O 8 in/8 out 44.1, 48,
88.2, 96
24-bit 24-bit 24-bit
96i I/O 16 in/2 out 44.1, 48,
88.2, 96
24-bit 24-bit 24-bit