This software is a driver for the M-Audio USB Quattro, a mobile MIDI interface.
The key features of the M-Audio USB Quattro are plentiful, including the provision of the latest audio drivers. This release also features enhanced support for MIDI on a wide range of devices including the Audiophile USB, Keystation 49 and 61, MIDISPORT 1x1, 2x2, 2x4, 4x4, and 8x8, OmniStudio USB, Oxygen8, Ozone, Quattro, Radium, Sonica, and Uno.
Notable improvements in this release include a fix for a problem that caused short sounds (such as system beeps) to be inaudible or truncated. Additionally, timing precision with CoreAudio has been significantly enhanced, and an uninstaller feature has been added.
However, it's worth noting that support has been removed for Mac OS 10.1, and there was previously an issue with the installer that caused the driver to fail to load with Mac OS 10.4. Additionally, there was an issue that occasionally caused the driver settings to not match the preferences panel settings when the Quattro was plugged into a computer while it was starting up.
Overall, the M-Audio USB Quattro represents a high-quality and portable audio interface with various enhancements and fixes that make it a worthwhile product for anyone in need of such a device.
Version 1.6: N/A