Methods and apparatuses for recording and playing back audio...
Methods for surround sound simulation and circuits and...
Microphone with frequency pre-emphasis channel plate
Mini hearing aid
Miniature hearing aid
Miniature hearing aid having a bindable multi-layered amplifier
Miniature hearing aid to be worn on the head, and a method for t
Miniature modular volume control and integrated circuit assembly
Miniaturized hearing aid circuit
Modular assistive listening system
Modular hearing aid
Modular hearing aid system
Modular hearing aid with lid hinged to faceplate
Modular hearing aid with lid hinged to faceplate
Modulation effect adding apparatus
Modulation effect device
Mounting structure for an integral vibration element of a spring
Multi-diaphragm artificial reverberation device
Multi-stage solid state amplifier that emulates tube distortion
Multi-stage solid state amplifier that emulates tube distortion