Harman Kardon AVR 7550HD Owner's Manual

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61APPENDIXTable A13 – continuedSurround Mode Description Incoming Bitstream or SignalDolby Pro Logic IIx An expansion of Dolby Pro Logic II that adds a surround back channelMode Group which may be played through one or two surround back speakers. TheDolby 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 usedwith 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, EXMusic 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 .1Game 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 belowMode 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 modeReference a full surround presentation with accurate localization. when signal does not contain center channelinformation)• 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 availableWide 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 encodedhigh-definition video found on Blu-ray Disc and HD-DVD discs. It is with DTS-HD modes, delivered via HDMItransmitted using a DTS core with high-resolution extensions. Even whenonly DTS 5.1 surround sound is desired (or available, if the multizonesystem is in use), the higher capacity of high-resolution discs serves upDTS 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 withstudio master recording in up to 7.1 channels, for an incredibly accurate DTS-HD Master Audio technology, deliveredperformance. via HDMI