Hammer for pianos and similar instruments

Hand held warning bell

Handchime instrument

Hands-free, voice-operated remote control transmitter

Hardware and software interface for control by midi messages

Harmonic device for stringed instruments

Harmonic noise weighting in digital speech coders

Harmonic speech coding arrangement

Harmonica

Harmonica

Harmonica

Harmonica lip shield

Harmonicas

Harmonichord instrument

Harmony generator for electronic organ

Harp string fretting mechanism

Harrison brass-wind mouthpiece rim

Head mounted multi-sensory audio input system

Headset for separation of speech signals in a noisy environment

Hearing aid