(released 1999–2000) was a flagship Digital Audio Workstation (DAW) from Twelve Tone Systems, later Cakewalk, Inc. It was a successor to Cakewalk 3.0 and preceded the famous Cakewalk Sonar line. Pro Audio 9 was revolutionary for its time, offering 32-bit audio engine, unlimited tracks, real-time effects, and advanced MIDI sequencing.
| Feature | Description | |--------|-------------| | | Up to 64 mono/stereo digital audio tracks | | MIDI tracks | Unlimited, with full event list editing | | Resolution | 16-bit / 44.1kHz max (no 24-bit, no 96kHz) | | Effects | DirectX 8 plugins only (no VST, no VST3) | | Looping | Basic loop recording and crossfading | | Editing | Piano roll, notation view, audio waveform editing | | Sync | MTC, SMPTE, MIDI Clock |
: Set the program to run in Windows XP (Service Pack 3) compatibility mode by right-clicking the shortcut and navigating to the "Compatibility" tab.