634/2005 - Item 1: Audiofrequency amplifier, incorporating a digital sound-decoder, a digital sound- processor (to produce a multi-channel (surround) sound-effect), and circuitry for video/sound synchronisation. The device can receive signals from various sources (e.g., DVD-player, satellite tuner, cassette-player, video recorder). The signals are decoded by digital-to- analogue converters before being amplified. - The Trade Hub