ASIO4ALL Official Home

Universal Windows ASIO Driver

Version 2.7 Beta 1

Changes since version 2.6:

  • Actually, there have been a number of minor changes to the audio engine over the last couple months the specifics of which I forgot.
  • ASIO4ALL no longer crashes (BSOD) if there is an ATI Rage Theater or similar device in the system. The WDM audio “drivers” shipped with these devices are simply ignored.
  • SBPCI 128 works now, albeit in 2in/2out mode only.
  • USB devices now generally listed by their names, where possible, instead of the generic USB audio. Helps if you have more than one.
  • Mono inputs are converted to stereo, such as to not confuse hosts that assume channels to always come in pairs. Helps with mono input devices, such as e.g. USB mics.
  • Gave the “Buffer Size” Slider in the control panel a logarithmic scale.
  • Default configuration changed so that e.g. Realtek HD Audio would not have its inputs disabled by default.
  • Experimental: Added a watchdog thread that is supposed to kick in should the host audio engine use all of the CPU due to e.g. denormals.
  • Last minute change: Thanks to Eugene Muzychenko (VAC) for pointing out an issue that could have led to “beyond logic” errors here and there! Helps at least with VAC – but who would’ve thought _that_…
ASIO4ALL 2.7 Beta 1 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