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Introduction, Upc-166 functional description, Audio down mixer and mono mixer function – Sierra Video UPC-166 User Manual

Page 17: Right, Center, Left surround, And right surround, And down mix right, The resulting stereo pair

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Introduction

UPC-166 Functional Description

AES Ch 1

Embed Ch 1

AES Ch 9

AES Ch 16

Figure 1-4 Default Embed/De-Embed Audio Routing

Audio Down Mixer and Mono Mixer Function

(See Figure 1-5.) The Audio Down Mixer function provides for the selection
of any five embedded, AES discrete, or analog audio sources serving as Left
(

L

), Right (

R

), Center (

C

), Left Surround (

Ls

), and Right Surround (

Rs

)

individual signals to be multiplexed into a stereo pair (Down Mix Left (

DM-L

)

and Down Mix Right (

DM-R

)). The resulting stereo pair

DM-L

and

DM-R

can in

turn be routed and processed just like any of the other audio sources described
earlier.

Figure 1-5 Audio Mixing Functional Block Diagram with Example Sources

1-13

UPC-166-OM
(V4.0)

Embed Ch 1 - Ch 16

AES Ch 1 - Ch 16

AN-AUD Ch 1- Ch 8

Embedded Ch 1

Ls

Embedded Ch 2

L

AES Ch 6

C

Embedded Ch 4

R

Embedded Ch 5

Rs




DM-L

DM-R

Embedded Audio

AES Audio Out

Group 1/2

Pairs 1-4

AES Ch 1

AES Ch 8

Embedded Audio

AES Audio Out

Group 3/4

Pairs 5-8

AES Ch 9

Embed Ch 9

AES Ch 16

Embed Ch 16

AES Ch 8

Embed Ch 8