Specifications

System Requirements

 
System Avid-qualified Thunderbolt-equipped 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 96 (up to 192 total) 256 (up to 768 total) 256
Audio Tracks** 96/48/18 (up to 512 total) 256/128/64 (up to 768 total) 256/128/64
Latency*** 0.96 ms 0.7 ms 1.7 ms
Instrument Tracks 128 256 256
MIDI Tracks 512 512 512
Aux Tracks 160 512 512
Busses 256 unlimited (Pro Tools 12.2 and up)
unlimited (Pro Tools 12.2 and up)
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)

*  Pro Tools | HD Accel is the previous generation Pro Tools | HD system and no longer available. It is shown for comparison only 
**  Audio tracks based on sample rates of 48/96/192 kHz, respectively. 
***  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.

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