DD DOLBY S NR HX PRO

audio and video tape recorders and tape players for portable, non-portable and/or in-vehicle use; products for portable, non-portable and/or in-vehicle use; comprising audio and/or video tape recorders and/or tape players and at least one of the following: amplifier, receiver, radio or TV tuner, record player, CD player, video monitor, loudspeaker; noise reduction units; video tapes recorded with signals encoded for playback using a noise reduction system; and video tape that have been recorded using a headroom extension process