Panasonic SAAK600 SAAK600 User Guide - Page 19

Enjoying surround sound The following chart gives a summary of this unit's surround features. Note • All the features are only effective if speakers are used. No discernible effect will be heard through headphones. • None of the features are effective when radio is selected as the source. • You may experience a reduction in sound quality when these surround systems are used with some sources. If this occurs, turn the surround system off. Surround system Features Software DOLBY DIGITAL (➡ page 20) • Dolby Digital is a discrete 5.1 (6) channel surround system developed for cinema use. The sound signals in Dolby Digital format are compressed to 1/10 their original size, allowing an entire movie to be re- corded on a single DVD. • This unit automatically recognizes DVDs that have been recorded with Dolby Digital. • Not all Dolby Digital sources are record- ed with 5.1 (6) channels. Some sources marked Dolby Digital may be recorded in Dolby Surround, a 2 channel system. Software encoded with Dolby Digital can be identified with this mark. • DVD DOLBY PRO LOGIC (➡ page 20) Dolby Pro Logic is a decoding system that was developed to get a better sense of presence from sources encoded with Dolby Surround. The balance of sound has been improved by the addition of a separate center speaker channel. Software encoded with Dolby Surround can be identified with this mark. • DVD • Video CD, CD • Laser Disc • Video tape Sound quality/sound field operations Manufactured under license from Dolby Laboratories. "Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories. To calculate the delay time Front speaker (left) Center speaker D3 D1 D1 Front speaker (right) D2 Surround speaker (left) D2 Surround speaker (right) D1: Distance from front speakers D2: Distance from surround speakers D3: Distance from center speaker Setting the center channel delay time (Dolby Digital only): If D1 is equal to or less than D3 Set to 0 ms. If D3 is less than D1 Increase 1 ms for every 30 cm (1 foot) of difference between D1 and D3. Setting the surround channel delay time: If D1 is equal to or less than D2 For Dolby Digital: Set to 0 ms. For Dolby Pro Logic: Set to 15 ms. If D2 is less than D1 Start at 0 ms for Dolby Digital or 15 ms for Dolby Pro Logic, and increase by 5 ms for every 1.5 m (5 feet) of difference between D1 and D2. A Refer page 21 for operation. 19 RQT6243