Audio signal amplifier circuit and portable telephone set...

Audio signal amplifier device

Audio signal cable with passive network

Audio signal cable with passive network

Audio signal control system and method therefor

Audio signal conversion using frequency band division

Audio signal data processing system

Audio signal data processing system

Audio signal delivery management system, audio signal...

Audio signal editing apparatus and control method therefor

Audio signal energy level detection method and apparatus

Audio signal enhancement

Audio signal enhancement and amplification system

Audio signal equalizer having accelerated slope phase shift comp

Audio signal expander apparatus

Audio signal fader control system and method therefor

Audio signal generator to emulate three-dimensional audio...

Audio signal identification using digital labelling signals

Audio signal mixer for long mix editing

Audio signal mixer for long mix editing