Studio Quadbyte has released Mac OS X Audio Unit versions of its free QB Filter and QB Mute plug-ins.

QB Filter is a filter plug-in.

Features:

• LowPass and HiPass Filter.
• Dual Filter mode "a la Pioneer DJM".
• LFO syncable to host tempo.
• LFO shape selector and LFO phase.
• Pre and Post saturation.
• Coded in C++ / Optimized for SSE2 processor.
• No GUI, uses host interface.

QB Mute is a simple mute plugin.

Features:

• Variable fade speed and invert option.
• Coded in C++ / Optimized for SSE2 processor.
• No GUI, uses host interface.