For more information, see the following topics:Pro Tools Express software provides the following capabilities, depending on your hardware configuration:
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Up to a total of 16 voiced mono or stereo audio tracks per session
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16-bit, 24-bit, or 32-bit floating point audio resolution, at sample rates up to 96 kHz (depending on your audio interface)
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Automatic Delay Compensation (up to 16,383 samples at 48 kHz)
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Non-destructive, random-access editing and mix automation
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Audio processing with up to 5 real-time plug‑ins per track, depending on your computer’s capabilities
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Up to 16 internal mix busses (mono or stereo) for routing and mixing
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Support for M‑Audio HyperControl and DirectLink
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For information about the I/O capabilities of your audio interface, see the documentation that came with the interface.