Methods and devices for audio upmixing
Monaural to sterephonic sound translation process and apparatus
Multi-channel audio enhancement system for use in recording...
Multi-channel control circuit with d-c operated control devices
Multi-channel sound processing systems
Multi-channel sound simulation system
Multi-channel surround sound mastering and reproduction...
Multi-channel synthesizer and method for generating a...
Multi-channel transmitter/receiver system providing...
Multi-directional sound signal recording and/or reproducing...
Multichannel downmixing device
Multichannel spectral mapping audio apparatus and method
Multidimensional stereophonic reproducing system
Multidirectional audio decoding
Multidirectional multisound information system
Multiple switching circuitry
Multisignal transmission apparatus
Multisignal transmission apparatus
Multisound reproducing apparatus
Muting circuit