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Re: sound input level
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Re: sound input level


  • Subject: Re: sound input level
  • From: Takaaki Naganoya <email@hidden>
  • Date: Fri, 06 Feb 2004 17:19:01 +0900

On 04.1.27 5:34 AM, "roy whelden" <email@hidden> wrote:

> Can someone tell me how to use applescript to read the current sound
> input level? Is there some UNIX command which will do this and return a
> value via a 'do shell script' command?

Use "ioreg" command like this.

But "set volume" command on Panther has a bug; can not set maximum volume by
"set volume 7".

--aquire audio out/in level as number
on getAudioLevel()
set prepList to {{"left_out", 3, 3}, {"right_out", 4, 3}, {"left_input",
8, 2}, {"right_input", 9, 2}}
set a to do shell script "ioreg -l | grep IOAudioControlValue"
set aList to paragraphs of a
set outList to {}

repeat with i in prepList
set itemNo to item 2 of i
set itemGet to item 3 of i
set targetData to item itemNo of aList
set tagList to characters of targetData
set wholeCount to length of tagList
if item (wholeCount - itemGet) of tagList = "=" then
set itemGet to itemGet - 1
end if
set getData to items (wholeCount - itemGet) thru wholeCount of
tagList
set getData to getData as text
set the end of outList to {item 1 of i, getData}
end repeat
return outList
end getAudioLevel
---


--
Takaaki Naganoya
Director
Newt On Division/EIG K.K.
http://eig.jp/kotodama/
ichat: email@hidden
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