Media data reproduction methods and embedded systems...

Media delivery system with improved interaction

Media item selection

Memory allocation for real-time audio processing

Memory expansion pack for providing content to portable...

Memory module with audio playback mode

Message recording and transfer system and docking station

Method and apparatus for amplifying and attenuating digital...

Method and apparatus for audible error code detection and...

Method and apparatus for audio signal channel muting

Method and apparatus for audio signal processing

Method and apparatus for automatic equalization mode activation

Method and apparatus for communicating between a portable...

Method and apparatus for controlling a lighting system in...

Method and apparatus for controlling a sound function of a...

Method and apparatus for controlling an operative setting of...

Method and apparatus for controlling multimedia players in a...

Method and apparatus for detecting switch closures

Method and apparatus for digital signal processing, method...

Method and apparatus for downloading data to portable devices