Portable electronic apparatus
Ported loudspeaker enclosure
Ported loudspeaker system and method with reduced air...
Push-pull transmission line loudspeaker
Radially expanding multiple flat-surfaced waveguide device
Reflection-type speaker apparatus
Resonant frequency adjustment using tunable damping rods
Room mode bass absorption through combined diaphragmatic and...
Satellitic compact electroacoustical transducing
Signal-horn
Small electroacoustic transducer
Sound apparatus
Sound field equalizing apparatus for speaker system
Sound innovation speaker system
Sound lens speaker system
Sound output system
Sound output system
Sound reproduction device
Sound reproduction device or microphone
Sound reproduction employing unity summation aperture...