Difference between revisions of "HD audio for background music distribution"
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From AlphaPro '''Directory & Features''', press '''Insert''' and create a new directory number with feature 118 - [[Program_Source|Program Source]]. Parameter 1 (ID) is the program channel 1-38. | From AlphaPro '''Directory & Features''', press '''Insert''' and create a new directory number with feature 118 - [[Program_Source|Program Source]]. Parameter 1 (ID) is the program channel 1-38. | ||
| − | The example below shows how to add directory number | + | The example below shows how to add directory number 6801 as the code to become the source of Audio Program #1. Note that the Directory number to listen to program #1 is 801. |
[[File:HD Prog 1.png|thumb|left|500px|A device dialing 6801 will become the source for Audio Program 1 (ID = Program channel)]] | [[File:HD Prog 1.png|thumb|left|500px|A device dialing 6801 will become the source for Audio Program 1 (ID = Program channel)]] | ||
<br style="clear:both;" /> | <br style="clear:both;" /> | ||
| − | Add an event 13, when change to OFF with action: $DD L%1.dir | + | Add an event 13, when change to OFF with action: $DD L%1.dir L6801. This event is activated when TKIE comes up after reset of station or server. |
[[File:Program_Event.png|thumb|left|500px|Event Handler: TKIE-2 dials 6802 after startup]] | [[File:Program_Event.png|thumb|left|500px|Event Handler: TKIE-2 dials 6802 after startup]] | ||
Revision as of 14:48, 12 April 2018
Background music is distributed by using the Audio Program feature of AlphaCom. By default this feature is using the HD Voice codec G.722.
In installations where an even better audio quality for background music distribution is required, it is possible to use the HD Audio codec PCM L16/48kHz.
The following devices support audio input feed using the PCM L16/48kHz codec:
- ENA Amplifier
- TKIE-2 kit
The following devices can play audio in PCM L16/48kHz format:
- ENA2200, ENA2400-AC and ENA2400-DC amplifiers
Contents
Requirements
- Software: HD Audio is supported from AMC 12.5.3.0 or later.
- License: When using HD Audio for background music distribution, a High bandwidth audio license is reqired. It is sufficient with one HD Audio license per AlphaCom server.
- To install the license, log on to the web interface of the AlphaCom server, and select System Configuration > Licensing.
Configuration
Configuration of AlphaCom server
From AlphaPro Directory & Features, press Insert and create a new directory number with feature 118 - Program Source. Parameter 1 (ID) is the program channel 1-38.
The example below shows how to add directory number 6801 as the code to become the source of Audio Program #1. Note that the Directory number to listen to program #1 is 801.
Add an event 13, when change to OFF with action: $DD L%1.dir L6801. This event is activated when TKIE comes up after reset of station or server.
Configuration of ENA Amplifier
Configuration of TKIE-2
TKIE must be set to feed audio from line in:
