Yamaha DSP-A2 Owner's Manual - Page 51

English BASIC OPERATION q Program No. 12 is for reproducing video discs, video tapes and similar sources which are encoded with Dolby Surround (bearing the "DOLBY SURROUND" or "DOLBY DIGITAL" logo) or encoded with DTS (bearing the "dts" logo). No. PROGRAM 12 /DTS SURROUND SUBPROGRAM (TYPE) PRO LOGIC/Normal ( ) PRO LOGIC Functions when the input signal is analog or PCM audio or encoded with Dolby Digital in 2 channels. DOLBY DIGITAL/Normal ( ) DIGITAL Functions when the input signal is encoded with Dolby Digital not in 2 channels. FEATURE The built-in Dolby Pro Logic Surround decoder, the Dolby Digital decoder or the DTS decoder precisely reproduces sounds and sound effects of a source encoded with Dolby Surround or DTS. The realization of a highly efficient decoding process improves crosstalk and channel separation and makes sound positioning smoother and more precise. DTS DIGITAL SUR./Normal ( ) Functions when the input signal is encoded with DTS. PRO LOGIC/Enhanced ( PRO LOGIC DSP ) Functions when the input signal is analog or PCM audio or encoded with Dolby Digital in 2 channels. DOLBY DIGITAL/Enhanced ( DIGITAL DSP ) Functions when the input signal is encoded with Dolby Digital not in 2 channels. Ideally simulates the multi-surround speaker systems of the newest film theater. The digital sound field processing and the Dolby Surround decoding or the DTS decoding are precisely performed without altering the originally designed sound orientation. The surround effects produced by this sound field fold the viewer naturally from the rear to the left and right and toward the screen. DTS DIGITAL SUR./Enhanced ( DSP ) Functions when the input signal is encoded with DTS. Note: If the "NONE" position is selected on "1A. CENTER SP" in the SET MENU mode, no sound is output from the center speaker(s). 49