New version of open source firmware for mp3 players RockBox includes many bugfixes and improvements, highlights from changelog:
- Support for RealMedia files containing ATRAC3, AC3, AAC, Cook audio
- New viewer plugin to display PNG images on color LCD targets
- Control PC music player app using your DAP with USB HID while connected
- Touchscreen calibration
Release Notes (http://www.rockbox.org/wiki/ReleaseNotes34)