Reverberator having tapped and recirculating delay lines

Reverberators for use in wide band assisted reverberation system

Reverberators for use in wide band assisted reverberation...

Ruggedized solar charged hearing aid

Safety device for a hearing aid

Sandwich switch construction for a hearing aid

Semiconductor amplifier with tube amplifier characteristics

Semiconductor emulation of tube amplifiers

Setting update apparatus of scene data in audio mixer

Shape adaptable in-the-ear hearing aid

Signal processing apparatus and acoustic reproducing apparatus

Signal processing unit

Signal processing unit

Simulated AM radio

Single bit per-voice dry/wet reverb control

Skin touch-controlled piezoelectric microphone

Solar powered hearing aid

Solar powered hearing aid

Solar powered hearing aid and reenergizer case

Solid state audio amplifier emulating a tube audio amplifier