Stereophonic sound image enhancement apparatus and...

Stereophonic sound processing system

Stereophonic sound producing apparatus for a game machine

Stereophonic sound reproduction apparatus using a plurality of l

Stereophonic sound reproduction system for compensating low...

Stereophonic sound system

Stereophonic sound system

Stereophonic spatial expansion circuit with tonal...

Stereophonic voice signal transmission system

Stero enhancement and directivity servo

Sterophonic sound field expansion device

Strategy for controlling FM stereo separation and frequency resp

Sub-band coders, decoders and filters

Sub-harmonic generator and stereo expansion processor

Sub-woofer driver combination with dual voice coil arrangement

Subband coded digital transmission system using some composite s

Subband coded digital transmission system using some composite s

Subcarrier injection system and method using adaptive level-shif

Subcarrier signal generator for use in stereo tuners

Submersible personal stereo