Setting up Audio, Continued

Digital Audio Preference Settings

The following table displays the effects of Dolby Audio Preference setting on audio outputs, based on the type of audio being decoded:

Input/

 

Digital Audio Preference

 

Output

 

 

 

 

PCM

Dolby Digital

Compressed

 

 

 

 

 

 

 

 

 

S/PDIF

HDMI

 

 

 

 

 

MPEG LA

PCM

PCM

PCM

PCM

(MPEG1 and

 

 

 

 

MPEG2)

 

 

 

 

 

 

 

 

 

Dolby Digital

PCM

Dolby Digital

Dolby Digital

Dolby Digital

 

 

(follows IEC 61937)

(follows IEC

(follows IEC

 

 

 

61937)

61937)

 

 

 

 

 

Dolby Digital Plus

PCM

Dolby Digital

Dolby Digital

Dolby Digital

(< 1.5 Mbps)

 

(follows IEC 61937)

Plus (No over-

Plus (over-

 

 

 

clocking,

clocking x4,

 

 

 

follows SMPTE-

follows IEC

 

 

 

338)

61937)

 

 

 

 

 

Dolby Digital Plus

PCM

Dolby Digital

Dolby Digital

Dolby Digital

(>= 1.5 Mbps)

 

(follows IEC 61937)

(follows IEC

(follows IEC

 

 

 

61937)

61937)

 

 

 

 

 

MPEG2 AAC,

PCM

MPEG2 AAC,

MPEG2 AAC,

MPEG2 AAC,

MPEG4 (AAC and

 

MPEG4 (AAC and

MPEG4 (AAC

MPEG4 (AAC

HEAAC v1 and

 

HEAAC)

and HEAAC)

and HEAAC)

v2)

 

(follows IEC 61937)

(follows IEC

(follows IEC

 

 

 

61937)

61937)

 

 

 

 

 

4035197 Rev C

D9865 Satellite Receiver Installation and Operation Guide

4-43

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Cisco Systems 4028650000000 Digital Audio Preference Settings, Input Digital Audio Preference Output