Cambridge Audio AZUR 651A User Manual download pdf (Page 28)

Setup menu continued

6. HDCD Decoding

To set the audio decoding option for HDCD (High Deﬁnition Compatible

Digital) discs. The options are:

On – HDCD is decoded by the 651/751BD. For HDCD discs, this gives

expanded dynamic range and improved audio resolution.

Off – HDCD is treated as regular CD and output as a native bitstream

preserving the hidden encoding. This is useful when the 651/751BD is

connected to an HDCD-capable A/V receiver via a digital audio output

link (Coaxial, Optical, or HDMI) the output is unprocessed so the A/V

receiver can perform HDCD decoding instead.

Audio signal reference chart

Blu-ray Discs may contain many types of audio signal formats, some of

those are of the high resolution lossless types such as Dolby TrueHD and

DTS-HD Master Audio. Blu-ray Discs also have many optional audio

Output Type 

HDMI Output Coaxial/Optical Outputs Analogue Outputs

When "Secondary Audio" is set to "Off":

Bitstream LPCM Bitstream LPCM

LPCM 2ch LPCM 2ch LPCM 2ch LPCM 2ch LPCM 2ch 2ch

LPCM 5.1ch LPCM 5.1ch LPCM 5.1ch LPCM 2ch LPCM 2ch 5.1ch

LPCM 7.1ch LPCM 7.1ch LPCM 7.1ch LPCM 2ch LPCM 2ch 7.1ch

Dolby Digital Dolby Digital LPCM 5.1ch Dolby Digital LPCM 2ch 5.1ch

Dolby Digital Plus Dolby Digital Plus LPCM up to 7.1ch Dolby Digital LPCM 2ch Up to 7.1ch

Dolby True HD Dolby True HD LPCM up to 192kHz Dolby Digital LPCM 2ch Up to 7.1ch

24-bit 7.1ch

DTS DTS LPCM up to 7.1ch DTS LPCM 2ch Up to 7.1ch

DTS-HD High Resolution DTS-HD LPCM up to 7.1ch DTS (core) LPCM 2ch Up to 7.1ch

High Resolution

DTS-HD Master Audio DTS-HD LPCM up to 96kHz DTS (core) LPCM 2ch Up to 7.1ch

Master Audio 24-bit 7.1ch or

192kHz 24-bit 2ch

Setting

Source Format

Output Type 

HDMI Output Coaxial/Optical Outputs Analogue Outputs

When "Secondary Audio" is set to "On" and the player encounters a disc with secondary audio track or menu clicking sound:

All audio output signals are mixed with primary, second audio and

menu clicking sound.

Bitstream LPCM Bitstream LPCM

LPCM 2ch DTS* 2ch LPCM 2ch DTS* LPCM 2ch 2ch

LPCM 5.1ch DTS* LPCM 5.1ch DTS* LPCM 2ch 5.1ch

LPCM 7.1ch DTS* LPCM 7.1ch DTS* LPCM 2ch 7.1ch

Dolby Digital DTS* LPCM 5.1ch DTS* LPCM 2ch 5.1ch

Dolby Digital Plus DTS* LPCM up to 7.1ch DTS* LPCM 2ch Up to 7.1ch

Dolby TrueHD DTS* LPCM up to 192kHz DTS* LPCM 2ch Up to 7.1ch

24-bit 7.1ch

DTS DTS* LPCM up to 7.1ch DTS* LPCM 2ch Up to 7.1ch

DTS-HD High Resolution DTS* LPCM up to 7.1ch DTS* LPCM 2ch Up to 7.1ch

DTS-HD Master Audio DTS* LPCM up to 7.1ch DTS* LPCM 2ch Up to 7.1ch

Setting

Source Format

Denotes mixed audio re-encoded into DTS bitstream format.

components such as the Secondary Audio Program and the menu clicking

sound. The player’s Audio Format Setup menu allows you to conﬁgure the

audio output to meet your speciﬁc preference. The following chart

provides a reference to what type of audio signal can be expected.

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Cambridge Audio AZUR 651A User Manual Page 28

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