ASIO4ALL Official Home

Universal Windows ASIO Driver

Version 2.9 (Beta 3)

Changes since version 2.9 beta 2:

  • Add native x64 support. The x64 driver internally is a separate binary and may develop issues not present in the x86 version, so: please test! Otherwise, the behaviour should be entirely transparent.
  • GUI moved into its own thread completly. This has been necessary because existing host software as a whole is too broken on average as to be able to chase individual developers and have them fix it. Never mind the intstalled base out there. As a direct result, the ASIO control panel does not appear as modal dialog anymore. However, this solution seems to work better than I orignially expected.
  • Improved algorithm to find a workable sample rate for some devices (e.g. EMU 404)
ASIO4ALL 2.9 (Beta 3) Downloads ⮱

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  • Advanced configuration

    Advanced configuration

    Once the control panel has been switched to advanced mode, things begin to look a little more complicated. The device list is now expandable and you can enable more than one item at a time. The device list contains Devices, Device Interfaces and so called “Pins”. Devices are independent hardware units most of the time.… more

  • Device aggregation

    Device aggregation

    Using the button next to each entry, you can now selectively enable/disable each particular item in the device list. This way, you can also create multi-device-setups (“aggregate devices”). Multi-device-setups require that all the devices involved are running from the same clock source. You can achieve this by daisy-chaining devices via S/PDIF etc. On-board devices usually… more

  • Latency Compensation

    Latency Compensation

    Since ASIO4ALL does not have sufficient knowledge of the underlying hardware/driver architecture, it can only guess the actual latencies involved. With these sliders you can compensate for the latencies unknown to ASIO4ALL such that recordings in your sequencer Software are properly aligned with the rest. Note: In multi-device-setups the largest respective value of all devices… more

  • Hardware Buffer on/off

    Hardware Buffer on/off

    Note: For WaveRT drivers, this box is labeled “Allow Pull Mode (WaveRT)” instead! Enables the hardware buffer for the highlighted device. This only works for so called “WavePCI” miniports, as other types of WDM drivers do not usually allow direct access to the hardware buffer. Adjustment for best hardware buffer performance involves the “ASIO Buffer… more

  • Kernel Buffers/Buffer Offset

    Kernel Buffers/Buffer Offset

    If hardware buffering is disabled, this control lets you add up to two more buffers to be queued for audio output. Each additional buffer increases the output latency of the device by the time it takes to play one buffer. Therefore, the initial setting of “2” should only be changed on less powerful machines, where… more