Stream segregation for stereo signals

Streaming normalization

Streaming normalization

Structural assembly for housing an acoustical system

Structural improvements of earphone signal cord

Structural noise source predictor

Structure around a speaker unit and applied electric or...

Structure around a speaker unit and applied electric or...

Structure for adjusting position of microphone on microphone...

Structure for changing sound quality of speaker

Structure for earphones with multiple sound tracks

Structure for the sound coil of loudspeaker

Structure of a loudspeaker

Structure of a picture-frame type loudspeaker

Structure of a receptacle for earphone wire

Structure of a speaker apparatus

Structure of a wearable and hands free earphone

Structure of an earpiece clamp

Structure of battery receiving chamber

Structure of dual magnetic loop type receiver