Specifications

Chapter 3: Mixing and Recording Features and Enhancements 11
chapter 3
Mixing and Recording Features and
Enhancements
Increased Number of Audio
and MIDI Tracks, and Internal
Mix Busses
Pro Tools HD 9.0 and Pro Tools with Complete
Production Toolkit 2 increase the number of
available voiceable audio tracks to 512. Any au-
dio tracks beyond that system’s voiceable track
limit will be automatically set to Voice Off.
Pro Tools 9.0 increases the number of available
voiceable audio tracks to 128. Any audio tracks
beyond that system’s voiceable track limit will
be automatically set to Voice Off.
All versions of Pro Tools 9.0 provide up to 256
internal mix busses. All versions of Pro Tools 9.0
also provide up to 512 MIDI tracks.
Table 4 on page 11 lists the audio playback, re-
cording, and voiceable track limits of each type
of Pro Tools system. Playback and recording
voices refer to the number of unique simultane-
ous playback and record tracks on your system.
Total voiceable tracks refers to the maximum
number of audio tracks that can share the avail-
able voices on your system. (Mono tracks take
up one voice. Stereo and multichannel tracks
take up one voice per channel.)
Table 4. Pro Tools system audio playback, recording and voice limits
Core System Type Maximum I/O
Sample
Rate (kHz)
Playback and Recording
Voices (Mono Tracks of
Simultaneous Playback
and Recording)
Total
Voiceable
Tracks
Pro Tools|HD 1 32 channels 44.1/48 96 512
88.2/96 48 512
176.4/192 24 512
Pro Tools|HD 2,
Pro Tools|HD 3,
or any expanded
Pro Tools|HD system
64 channels (HD 2)
96 channels (HD 3)
or up to
160 channels (HD 5)
44.1/48 192 512
88.2/96 96 512
176.4/192 36 512