Specifications

System Requirements

 
System Avid-qualified PCIe-enabled Mac or Windows-based computer (see details)

COMPARE PRO TOOLS | HD SYSTEMS

Pro Tools | HD Accel Pro Tools |
 
HDX
Pro Tools | HD Native
 GENERAL FEATURES
Simultaneous voices/audio tracks @ 48/96/192 kHz* 96/48/18 (up to 512 total) 256/128/64 (up to 768 with three HDX cards) 384/192/96 (up to 768 with three Voice Packs)
Latency** 0.96 ms 0.7 ms 1.7 ms
Instrument tracks 128 256 256
MIDI tracks 512 1,024 1,024
Aux tracks 160 512 512
Busses 256 unlimited
unlimited
Channels of I/O 32 (up to 96 total) 64 (up to 192 total) 64
Automatic Delay Compensation (ADC) 4,096 samples 16,383 samples 16,383 samples
Processing depth 24-bit fixed 32-bit floating point 32-bit floating point
Mixer depth 48-bit fixed 64-bit floating point 64-bit floating point
DSP power 9 x 200 MHz processors (56k) 18 x 350 MHz processors (T1) n/a (CPU host)
* Audio tracks based on sample rates of 48/96/192 kHz, respectively. Installing additional cards will increase track counts to the maximum allowable.
** Latency calculated using a 96 kHz sample rate with a 64-sample buffer. Tests run using Pro Tools | HDX and Pro Tools | HD Native with Pro Tools | HD I/O, and Pro Tools | HD Accel with 192 I/O.