Harman-Kardon AVR 7550HD - Manual (Page 61)

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APPENDIX
Table A13 – continued
Surround Mode Description Incoming Bitstream or Signal
Dolby Pro Logic IIx An expansion of Dolby Pro Logic II that adds a surround back channel
Mode Group which may be played through one or two surround back speakers. The
Dolby Pro Logic IIx modes may be selected not only with Dolby Digital bit-
streams, but thanks to the AVR 7550HD’s post-processor, they may also be used
with some DTS bitstreams to add a surround back channel to 5.1 modes.
Dolby Pro Logic IIx This mode is similar to Dolby Pro Logic II Movie, with an added surround • Dolby Digital 2/0/.0 or .1, 2/2/.0 or .1,
Movie back channel. 3/2/.0 or .1, EX
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
Dolby Pro Logic IIx This mode is similar to Dolby Pro Logic II Music, including the availability • Dolby Digital 2/0/.0 or .1, 2/2/.0 or .1,
Music of center width, dimension and panorama adjustments. Dolby Pro Logic IIx 3/2/.0 or .1, EX
Music adds a surround back channel. • Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
Dolby Pro Logic IIx This mode is similar to Dolby Pro Logic II Game, with the added benefit • Dolby Digital 2/0/.0 or .1
Game of a surround back channel. • Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz or 48kHz)
Dolby Virtual Speaker Simulates 5.1 channels when only two speakers are present, or a more See below
Mode Group enveloping sound field is desired.
Dolby Virtual Speaker When only two main speakers are present, the Reference mode virtualizes • Dolby Digital (uses only two-speaker mode
Reference a full surround presentation with accurate localization. when signal does not contain center channel
information)
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz or 48kHz)
Dolby Virtual Speaker Wide mode may be used with two main speakers to widen the front • Dolby Digital (number of channels available
Wide soundstage by virtualizing the locations of the left and right speakers. varies by number of channels in signal)
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz or 48kHz)
DTS Digital Using a different encoding/decoding method than Dolby Digital, it also • DTS 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1,
provides up to five discrete main channels, plus an LFE channel. 3/1/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1
• DTS-ES Matrix (played as 5.1)
• DTS-ES Discrete (played as 5.1)
DTS-HD DTS-HD is a new high-definition audio format that complements the • Blu-ray Disc or HD-DVD discs encoded
high-definition video found on Blu-ray Disc and HD-DVD discs. It is with DTS-HD modes, delivered via HDMI
transmitted using a DTS core with high-resolution extensions. Even when
only DTS 5.1 surround sound is desired (or available, if the multizone
system is in use), the higher capacity of high-resolution discs serves up
DTS at twice the bit rate used on DVD-Video discs.
DTS-HD Master Audio DTS-HD Master Audio technology delivers bit-for-bit reproductions of the • Blu-ray Disc or HD-DVD discs encoded with
studio master recording in up to 7.1 channels, for an incredibly accurate DTS-HD Master Audio technology, delivered
performance. via HDMI
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