talkback

The talkback command is used to start and stop transmission of audio talkback and manage audio talkback settings.

Synopsis

talkback ID start [timeout=C(in secs)]
talkback stop
talkback set
talkback get
talkback clear

Actions

Action	Description
start	Starts transmission of talkback audio for the specified decoder (1 or 2). Time is specified in seconds (default is 30 seconds). `timeout=0` means infinity
stop	Stops transmission of talkback audio.
set	Configures talkback settings. A series of one or more `parameter=value` pairs can be specified at once.
get	Displays talkback information (i.e., the UDP port). You can specify configuration, stats, or all talkback information.
clear	Clears talkback statistics.

Parameters

Parameter	Default	Description/Values
port	9177	UDP port on which to send for talkback audio packets. Should match the encoder's output port.

talkback Examples

# talkback 1 start

Starts transmission of audio talkback on decoder #1. If not specified, the duration is 30 seconds (default).

Returns the following:

Talkback started successfully.

# talkback get

Returns the following audio talkback configuration:

  UDP Port            : 9233

# talkback get all

Returns talkback configuration and statistics, such as:

Configuration:
  UDP Port            : 9233
Statistics:
  State               : STOPPED
  Transmitted Packets : 2,823
  Transmitted Bytes   : 2,484,240
  Last Transmitted    : 1s ago
  Last Decoder ID     : 1
  Destination Address : 10.65.10.124
  Last Tx Time Length : 30 (Secs)
  Received Packets    : 2,823
  Received Bytes      : 2,484,240

# talkback 1 start timeout=60

Starts transmission of audio talkback on decoder #1 for 60 seconds.

Returns the following:

Property "timeout=60" set successfully.
Talkback started successfully.

# talkback 2 start timeout=0

Starts transmission of audio talkback on decoder #2 with not auto shut-off.

# talkback get all

Returns talkback configuration and statistics, such as:

Configuration:
  UDP Port            : 9233
Statistics:
  State               : TRANSMITTING
  Transmitted Packets : 3,027
  Transmitted Bytes   : 2,663,760
  Last Transmitted    : 0s ago
  Last Decoder ID     : 1
  Destination Address : 10.65.10.124
  Last Tx Time Length : 60 (Secs)
  Received Packets    : 3,027
  Received Bytes      : 2,663,760

# talkback set port=9233

Sets the UDP port to 9233.

Related Topics

Audio Talkback
service
For "Talkback Audio Format Specifications", please refer to the Makito X User's Guide.