set vList to getVoiceNames() of me
using terms from scripting additions
　　set aTargTTSVoiceName to contents of (choose from list vList)
end using terms from

using terms from scripting additions
　　set v1Res to getDemoText(aTargTTSVoiceName) of me
　　say v1Res using aTargTTSVoiceName
end using terms from

–Get TTS Voice sample text
on getDemoText(aName as string)
　　set vList to getVoiceNames() of me
　　if aName is not in vList then return ""
　　set anID to getSpecifiedVoiceIDfromVoiceName(aName) of me
　　
　　set aDemoText to ((current application’s NSSpeechSynthesizer’s attributesForVoice:anID)’s VoiceDemoText)
　　return aDemoText as string
end getDemoText

–Get all voice names
on getVoiceNames()
　　–Make Blank Array
　　set outArray to current application’s NSMutableArray’s arrayWithObject:{}
　　set aList to {}
　　
　　–Make Installed Voice List
　　set nameList to current application’s NSSpeechSynthesizer’s availableVoices()
　　repeat with i in nameList
　　　　set j to contents of i
　　　　
　　　　set aDic to ((current application’s NSSpeechSynthesizer’s attributesForVoice:j))
　　　　
　　　　set aDemoText to (aDic’s VoiceDemoText) as string
　　　　set aName to (aDic’s VoiceName) as string
　　　　
　　　　set the end of aList to aName
　　end repeat
　　
　　return aList as list
end getVoiceNames

–Voice Name –> Voice ID
on getSpecifiedVoiceIDfromVoiceName(VoiceName as string)
　　set outArray to current application’s NSMutableArray’s arrayWithObject:{}
　　
　　set aList to current application’s NSSpeechSynthesizer’s availableVoices()
　　set bList to aList as list
　　
　　repeat with i in bList
　　　　set j to contents of i
　　　　set aDic to (current application’s NSSpeechSynthesizer’s attributesForVoice:j)
　　　　(outArray’s addObject:aDic)
　　end repeat
　　
　　–Filter Voice
　　set aPredicate to current application’s NSPredicate’s predicateWithFormat_("VoiceName == %@", VoiceName)
　　
　　set filteredArray to outArray’s filteredArrayUsingPredicate:aPredicate
　　set aReList to (filteredArray’s valueForKey:"VoiceIdentifier") as list
　　
　　if length of aReList = 1 then
　　　　return first item of aReList
　　else
　　　　return ""
　　end if
end getSpecifiedVoiceIDfromVoiceName