Digital Voice Systems VC-20-ATC-10B Especificaciones descargar pdf (Pagina 83)

FAA20 Embedded NEXCOM Vocoder

Board Manual

This manual has been prepared for the Federal Aviation Administration.

FA100-00107 (March 2004) – Rev 1.0.0 Page 77

8.3.12 DELAY

The DELAY command prints the measured voice delays through the

FAA20. The delay includes processing and queue delay and does not

include native algorithm delay. Delay is measured with respect to the

vocoder frame sync signals.

Table 23: DELAY Command Syntax

ATTRIBUTE DESCRIPTION

SYNTAX DELAY

PARAMETERS None.

FLASH NO

Print delays (normal timing mode).

COM1: delay

> DELAY AUD <- NIB = 9 ms

> DELAY PCM <- NIB = 9 ms

> DELAY NIB <- AUD = 10 ms

> DELAY NIB <- PCM = 10 ms

EXAMPLES

Print delays (truncated timing mode).

COM1: delay

> DELAY AUD <- NIB = 11 ms

> DELAY PCM <- NIB = 13 ms

> DELAY NIB <- AUD = 10 ms

> DELAY NIB <- PCM = 12 ms

Delays are displayed for external linear to compressed voice paths. Delays

are not optimized or displayed for standalone operation, i.e. DEMO mode.

For more information on delays, see Section 5.4.2.

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Digital Voice Systems VC-20-ATC-10B Especificaciones Pagina 83