Specifications
Chapter 5: Pro Tools Systems 47
Pro Tools HD Software
Capabilities with HD Native
Hardware
Pro Tools HD with HD Native hardware on Mac
or Windows provides the following capabilities:
• Up to 64 channels of I/O depending on your sys-
tem, and the number and type of installed audio
interfaces
• Up to a total of 256 voiced audio tracks (up to
768 voiceable audio tracks):
• Up to 256 voices at 44.1 kHz or 48 kHz
• Up to 128 voices at 88.2 kHz or 96 kHz
• Up to 64 voices at 176.4 kHz or 192 kHz
• Up to 512 Auxiliary Input tracks
• Up to 64 Master Fader tracks
• Up to 128 VCA Master tracks
• Up to 512 MIDI tracks
• Up to 128 Instrument tracks
• Up to 64 video tracks per session
• 16-bit, 24-bit, or 32-bit floating point audio res-
olution, at sample rates up to 192 kHz
• Non-destructive, random-access editing and mix
automation
• Up to 7.1 surround mixing capability
• Automatic Delay Compensation (up to 16,348
samples at 48 kHz)
• Fixed RAM Disk Cache allocation options
• FPGA-based low latency monitoring (LLM)
• Audio processing with up to 10 inserts per track
(in any combination of real-time, host-based
plug-in and hardware inserts), depending on
your computer’s capabilities, and the number
and type of installed audio interfaces
• Up to 10 sends per track
• Up to 256 internal mix busses for routing and
mixing
Supported Avid HD Audio
Interfaces
The following Avid HD audio interfaces are com-
patible with Avid HDX, Pro Tools|HD, and
HD Native hardware:
• HD I/O
• HD OMNI
• HD MADI
• 192 I/O
• 192 Digital I/O
• 96 I/O
• 96i I/O
For detailed information about installing HD
Native PCIe hardware, see the HD Native
Installation Guide.
For information about installing HD Native
Thunderbolt hardware, see the HD Native
Thunderbolt Guide.
Avid HDX, Pro Tools|HD, and HD Native
systems require at least one HD I/O,
HD OMNI, HD MADI, 192 I/O,
192 Digital I/O, 96 I/O, or 96i I/O.