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ASIO in Audacity
Due to licensing restrictions Audacity cannot be distributed with built-in support for ASIO. However You can build Audacity for your personal use and include ASIO support.
Audacity can record and playback audio on your Windows PC using one of the following three alternative interfaces:
- Windows DirectSound
- Windows WASAPI
ASIO (Audio Stream Input / Output) is an additional proprietary interface to record and playback audio in Microsoft Windows. ASIO bypasses the Windows audio mixing components to provide lower latency direct communication between computer audio software and hardware. Most audio recording interfaces manufacturers provide a driver to support ASIO.
- An unmixed ASIO output is "bit identical" to the original source.
- Multiple physical input and output channels of the hardware are accessed over one single device.