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CDQPrima USERS GUIDE

6-166-16

6.1.4.1 Decoder Independent Mode

Under normal operation when connecting to any codec manufactured

by MUSICAM USA or CCS Audio Products, the decoder should be

slaved to the encoder by selecting the ‘Independent NO’ mode. Under

certain circumstances, the decoder must be set to operate independently

of the encoder:

• When connecting to any codec not manufactured by

MUSICAM USA or CCS Audio Products.

• When using any of the Broadcast Modes described in the

Application Notes section of the CDQPrima Technical

Reference Manual.

• When using the Independent Mono (Ind. Mono) mode for

sending two different monaural programs to two different

locations or receiving from two different locations.

• When using different algorithms, bit rates or line formats for

send and receive audio.

The decoder independent modes also allow send and receive audio to

use different algorithms. For example, high quality audio can be sent to

another codec, but low-delay, lower quality return audio can be used

for cueing. The decoder must be set to independent YES when

connecting to other brands of MPEG Layer II and Layer III

compatible codecs.

This standalone (independent) mode can be used at any time; however,

there are certain times when the decoder should operate in conjunction

with the encoder, as listed above.

Use the DIN command from a terminal or make your selection from

the Indep prompt

If decoder independent NO is selected, then the decoder is configured

exactly like the encoder, and the configuration is completed. If decoder

independent YES is selected, you must manually configure the decoder

section.

6.1.4.2 Decoder Line Format

The allowable decoder line formats depend on the algorithm selected.

For G.722, the only allowable line formats are Single Line (1 Ln) and

!note:

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Musicam Roadrunner Bedienungsanleitung Seite 16