Level indication apparatus for digitally encoded audio signal da
Level meter for digitally-encoded audio
Lifesaving borescope system
Light emitting loudspeaker cover
Light enhanced sound device and method
Light sensitive switch with microphone
Light weight and low magnetic leakage loudspeaker
Light-weight conical loudspeaker
Light-weight speaker system
Lighted enhanced bullhorn
Lighted microphone cable indicator
Lightweight headset for high noise environments
Lightweight molded waveguide device with support infrastructure
Limited vocabulary speech recognition system
Line array electroacoustical transducing
Line array electroacoustical transducing
Line array electroacoustical transducing
Line electroacoustical transducing
Line source speaker system
Linear array level meter displaying multiple audio characteristi