Audio

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:[[/Variodyn|Variodyn]]  - a fully digital public address paging system by av digital. background infos and useful notations to the pa protocol used for communication by this system.
:[[/Variodyn|Variodyn]]  - a fully digital public address paging system by av digital. background infos and useful notations to the pa protocol used for communication by this system.
:[[/Praesidio|Präsidio]] - a fully digital public address paging system by bosch.
:[[/Praesidio|Präsidio]] - a fully digital public address paging system by bosch.
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<center>
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{| style="vertical-align:center; text-align:center; border-collapse:collapse;"
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|+ table: comparision of functions
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|--------------
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|| || '''Variodyn D1''' || '''Praesidio''' || '''Ateis''' || '''Dynacord'''
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 +
|-------------- style="border-top:1px solid; border-bottom:1px solid;"
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|colspan="5"|system complexity
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|--------------
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||modules || 9 || ? || ? || ?
 +
 +
|--------------
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||technology
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|| digital control<br>digital audio
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|| digital control<br>digital audio 
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|| digital control<br>digital audio 
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|| digital control<br>analog audio
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 +
|-------------- style="border-top:1px solid; border-bottom:1px solid;"
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|colspan="5"|basic public address functions
 +
 +
|--------------
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||monitoring || yes || ? || ? || ?
 +
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|--------------
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||autonomous generated signals || yes || ? || ? || ?
 +
 +
|--------------
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||autonomous audio storage || yes || ? || ? || ?
 +
 +
|--------------
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||sinal processing || yes || ? || ? || ?
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|--------------
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||environmental noise compensation || yes || ? || ? || ?
 +
 +
|--------------
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||multiple connections || yes || ? || ? || ?
 +
 +
|--------------
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||connection priority || yes || ? || ? || ?
 +
 +
|--------------
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||connection conflict management || yes || ? || ? || ?
 +
 +
|--------------
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||connect group of lines || yes || ? || ? || ?
 +
 +
|--------------
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||remote administration || yes || ? || ? || ?
 +
 +
|--------------
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||configuration || configuration tool, telnet || ? || ? || ?
 +
 +
|--------------
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||alarm mode || yes || ? || ? || ?
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 +
|--------------
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||power amplifier replacement || yes || ? || ? || ?
 +
 +
|--------------
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||loudspeaker line survey || yes || ? || ? || ?
 +
 +
|--------------
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||power amplifier survey || yes || ? || ? || ?
 +
 +
|--------------
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||earthfault survey || yes || ? || ? || ?
 +
 +
|--------------
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||networking || yes || ? || ? || ?
 +
 +
|--------------
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||time scheduling of connections || yes || ? || ? || ?
 +
 +
|--------------
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||time synchronization || yes || ? || ? || ?
 +
 +
|}
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</center>
----
----
 +
===external links===
===external links===
:[http://www.alsa-project.org Advanced Linux Sound Architecture] - ALSA
:[http://www.alsa-project.org Advanced Linux Sound Architecture] - ALSA
:[http://www.wotsit.org/list.asp?fc=12 Sound and Music file formats] a great collection of file format descriptions
:[http://www.wotsit.org/list.asp?fc=12 Sound and Music file formats] a great collection of file format descriptions

Revision as of 20:35, 6 August 2007

Public Address Systems

Variodyn - a fully digital public address paging system by av digital. background infos and useful notations to the pa protocol used for communication by this system.
Präsidio - a fully digital public address paging system by bosch.
table: comparision of functions
Variodyn D1 Praesidio Ateis Dynacord
system complexity
modules 9  ?  ?  ?
technology digital control
digital audio 		digital control
digital audio 		digital control
digital audio 		digital control
analog audio
basic public address functions
monitoring yes  ?  ?  ?
autonomous generated signals yes  ?  ?  ?
autonomous audio storage yes  ?  ?  ?
sinal processing yes  ?  ?  ?
environmental noise compensation yes  ?  ?  ?
multiple connections yes  ?  ?  ?
connection priority yes  ?  ?  ?
connection conflict management yes  ?  ?  ?
connect group of lines yes  ?  ?  ?
remote administration yes  ?  ?  ?
configuration configuration tool, telnet  ?  ?  ?
alarm mode yes  ?  ?  ?
power amplifier replacement yes  ?  ?  ?
loudspeaker line survey yes  ?  ?  ?
power amplifier survey yes  ?  ?  ?
earthfault survey yes  ?  ?  ?
networking yes  ?  ?  ?
time scheduling of connections yes  ?  ?  ?
time synchronization yes  ?  ?  ?

external links

Advanced Linux Sound Architecture - ALSA
Sound and Music file formats a great collection of file format descriptions
Retrieved from "http://eqqon.com/index.php/Audio"