Anthem MRX 700 User Manual download pdf (Page 44)

4.6.5 DOLBY DIGITAL

Lossless Dolby TrueHD and various compressed formats including Dolby Digital Plus can be played. The

number of input channels ranges up to 7.1.

Dolby Digital EX or Pro Logic IIx can be used to extract rear channels from the surrounds on DVDs encoded

in Dolby Digital Surround EX. Dolby Digital EX creates a mono rear signal whereas with Pro Logic IIx the rear

channels play a stereo signal. Either of these modes can be applied to any 5.1-channel source.

A list of movies encoded in Dolby Digital Surround EX can be found on the Dolby web site at www.dolby.com

and on the THX web site at www.thx.com. A flag to engage Dolby Digital EX or Pro Logic IIx is usually

contained in newer titles.

Dialog Normalization:

Dolby Digital program material contains non-audio data which the receiver uses to adjust playback level,

when necessary, so volume variations between movies and programs are eliminated. Without Dialog

Normalization, movies not encoded at standardized levels for the dialog could lose dynamic range – higher

levels can result in distorted peaks, lower levels can result in quiet sounds disappearing into the noise floor.

If the display reads “Dial Norm Offset -4.0 dB” at the start of a movie, it is indicating that the encoded level

is higher than standard by 4.0 dB – the playback level of all channels is then automatically reduced by 4 dB.

4.6.6 DTS

Lossless DTS-HD Master Audio and various compressed formats such as DTS-HD High Resolution Audio and

DTS-ES can be played. Number of input channels ranges up to 7.1.

There are two ways that a rear channel is carried in DTS-ES:

• Matrix – DTS-ES Matrix sources have mono rear channel matrixed in the surround channels of a

5.1-channel DTS soundtrack. This channel is extracted and played through Main Back speakers if

they are enabled in the speaker configuration.

• Discrete – DTS-ES Discrete sources contain 6.1 channels with an independent rear channel in the

space that 5.1 channels normally occupy.

Why isn’t my receiver detecting the sound format that I’m trying to play?

A connection carries one format at a time and the receiver plays what it gets. Make sure the source’s

digital audio output is set to leave Dolby Digital and DTS unchanged (Bitstream) in its setup menu. You

must also select the soundtrack that you want to hear in each disc’s audio or language setup before

playing the movie, or while the movie is playing by pressing AUDIO on the player’s remote control.

4. OPERATION continued …

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Anthem MRX 700 User Manual Page 44