Sound field production apparatus

Sound field reproducing apparatus

Sound field reproducing method and apparatus for the same

Sound field reproduction system

Sound field simulation system and method for calibrating same

Sound field variable apparatus

Sound generating apparatus and method, sound generating...

Sound generating outerwear and associated switches

Sound generator synchronized with image display

Sound generator synchronized with image display

Sound image and sound field controlling device

Sound image control apparatus and sound image control method

Sound image control device and design tool therefor

Sound image enhancement apparatus

Sound image enhancing

Sound image localization apparatus

Sound image localization apparatus

Sound image localization apparatus

Sound image localization apparatus, stereophonic sound image enh

Sound image localization control apparatus