ASIO Audio Interface
ASIO is an audio interface standard using a protocol developed by. It bypasses the operating system's mixing kernel, so provding low latency direct communication with audio hardware, and allows multiple audio inputs and outputs to be accessed independently. ASIO drivers are thus often the only way to achieve very low latencies on consumer (Windows/Mac) operating systems, and also the best way to record multiple channels successfully. Some
Audacity and ASIO
Audacity, as an open source program licensed under the, is currently unable to support ASIO. This is because ASIO is a proprietary, closed source technology protected by a
Non-distributable ASIO support in Audacity 1.3.3
With the 1.3.3 release of Audacity, support for ASIO under Windows is now included for individuals who are prepared to compile Audacity from source code with the optional Steinberg. This support is provided strictly on the basis that it is NON-DISTRIBUTABLE i.e. you may NOT copy or distribute builds including ASIO support to any third parties. The build is strictly for your own personal (private or commercial use). For the same reasons, Audacity can NOT distribute pre-compiled versions of Audacity including ASIO support, so please don't ask!
To compile Audacity from the 1.3.3 source code including ASIO support:
- download the 1.3.3
- download and install the
- then follow the instructions in win/compile.txt in the downloaded source code to download and build and Audacity.
If compiled from source code, 1.3.3 also includes optional, DISTRIBUTABLE support for Microsoft's