NAD S170iAV Dolby Ex, Dts Es, Thx Ex, Surround, Dolby Pro Logic Ii Movie, DTS NEO:6 CINEMA

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USING THE S170i

DOLBY EX, DTS ES, THX EX, SURROUND 6.1

Multichannel digital recordings (Dolby Digital or DTS) are reproduced via the full suite of front, surround, and one or two “back”-channel speakers (if selected in <Speaker Setup>). If Dolby Digital EX/DTS ES encoding is present in the original recording its logic is used to derive the back channels; otherwise, the S170i preamplifier derives a single back-channel signal from the left/right surround channels.

DOLBY PRO LOGIC

Surround-encoded recordings (and stereo recordings that are not encoded ) are reproduced with Pro Logic Dolby Surround decoding, with output to left, center-, and right-front channels and a single monaural surround signal sent to both surround-channel speakers; the surround channel’s response is rolled off above 7 kHz to discourage localization of surround-speaker locations in DPL mode).

Pro Logic mode is best reserved for surround-encoded recordings intended for Dolby Surround or compatible-system reproduction. These include most films on videotape and many on LaserDisc, television/cable programming produced for surround-sound, and most older LaserDiscs. Most DVD recordings, even those that do not exploit multichannel surround, include a Dolby Digital and/or DTS soundtrack in 1- or 2-channel modes; where available, this will usually deliver better performance. With rare exceptions, NAD’s proprietary EARS listening mode will produce superior results from stereo music recordings than will Pro Logic.

DOLBY PRO LOGIC II MOVIE

Similar to Dolby Pro Logic, this improved algorithm applies logic after the matrix decoding, rather than before as in Pro Logic, improving image stability and the precision of signal steering. Surround channels are also run full range.

DOLBY PRO LOGIC II MUSIC

Fine tuned for listening to music, in this mode the surround channels response is rolled off to simulate the acoustic absorption of a typical room. In addition, there are several adjustments that can be made to enhance the listening experience:

PL II Panorama When selected the Panorama setting wraps the sound of the Front Left and Right speakers around you for an exciting effect.

PL II Center Width Center Width allows you to gradually spread the Center channel sound into the Front Left and Right speakers. At the widest setting all the Center speaker sound is mixed to the Left and Right speakers. This control may help achieve a more spacious sound, or a better blend of the front image.

PL II Dimension Dimension adjusts the front/back balance to taste.

DTS NEO:6 CINEMA

Surround-encoded recordings (and stereo recordings that are not encoded ) are reproduced with DTS Neo:6 Surround decoding, with output to left, center-, and right-front channels, and surround and surround back channels (if selected).

DTS NEO:6 MUSIC

This music surround mode can be used to create a convincing surround sound experience using front, center, and all selected surround speakers from any 2 channel stereo source. Neo:6 allows the user to adjust the Center Image in six steps. Center Image allows you to gradually spread the Center channel sound into the Front Left and Right speakers.

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