Object-oriented audio system
Off-line feedback path modeling circuitry and method for...
Off-line path modeling circuitry and method for off-line feedbac
Offset apex spider
Offset baffles for acoustic signal arrival synchronization
Omindirectional modular siren
Omni-directional loudspeaker
Omni-directional loudspeaker system
Omni-directional speaker lamp
Omni-directional stereo speaker
Omnidirectional hearing aid
On-board vehicle automatic sound volume adjusting apparatus
On-vehicle audio system reproducing bodily-sensible sounds
On-vehicle automatic loudness control apparatus
On-vehicle sound control apparatus
One-chip LSI speech synthesizer
One-magnet rectangular transducer
One-size-fits-all uni-ear hearing instrument
One-terminal effector
Online karaoke system with flying start performance