From 06094141483d18c4d845e3936fc0db8ce44a4269 Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus@fleschutz.de>
Date: Sat, 9 Jan 2021 11:40:04 +0100
Subject: [PATCH] Improved voice-control.ps1

---
 Scripts/voice-control.ps1 | 83 +++++++++++++++++++++------------------
 1 file changed, 44 insertions(+), 39 deletions(-)

diff --git a/Scripts/voice-control.ps1 b/Scripts/voice-control.ps1
index 1cf391fc..b66cb023 100755
--- a/Scripts/voice-control.ps1
+++ b/Scripts/voice-control.ps1
@@ -9,44 +9,49 @@
 [double]$MinConfidence = 0.05
 $PathToRepo = "$PSScriptRoot/.."
 
-write-output "Initializing the speech recognition engine..."
-$speechRecogEng = [System.Speech.Recognition.SpeechRecognitionEngine]::new();
-#$speechRecogEng.InitialSilenceTimeout = 15
-$speechRecogEng.SetInputToDefaultAudioDevice();
+try {
+	write-output "Initializing the speech recognition engine..."
+	$null = [Reflection.Assembly]::LoadWithPartialName("System.Speech") 
+	$speechRecogEng = [System.Speech.Recognition.SpeechRecognitionEngine]::new()
+	#$speechRecogEng.InitialSilenceTimeout = 15
+	$speechRecogEng.SetInputToDefaultAudioDevice()
 
-write-output "Loading the grammar..."
-$Items = get-childItem -path "$PathToRepo/Scripts/"
-$Count = 0
-foreach ($Item in $Items) {
-	$Name = $Item.Name.Split('.')[0]
-	if ($Name -eq "") { continue }
-	$grammar1 = [System.Speech.Recognition.GrammarBuilder]::new()
-	$grammar1.Append($Name)
-	$speechRecogEng.LoadGrammar($grammar1)
-	$Count++
+	write-output "Loading the grammar..."
+	$Items = get-childItem -path "$PathToRepo/Scripts/"
+	$Count = 0
+	foreach ($Item in $Items) {
+		$Name = $Item.Name.Split('.')[0]
+		if ($Name -eq "") { continue }
+		$grammar1 = [System.Speech.Recognition.GrammarBuilder]::new()
+		$grammar1.Append($Name)
+		$speechRecogEng.LoadGrammar($grammar1)
+		$Count++
+	}
+
+	$grammar2 = [System.Speech.Recognition.GrammarBuilder]::new()
+	$grammar2.Append("exit")
+	$speechRecogEng.LoadGrammar($grammar2)
+
+	write-output "Got $Count voice commands, listening now..."
+	$done = $false
+	do {
+		$recognized = $speechRecogEng.Recognize()
+		write-host -nonewline "."
+		if ($recognized.confidence -lt $MinConfidence) { continue }
+		$myWords = $recognized.text
+		write-host -nonewline "$myWords ($($recognized.confidence) %)"
+		if ($myWords -match "hello") {
+			continue
+		}
+		if ($myWords -match "open notepad") {
+			continue
+		}
+		if ($myWords -match "exit") {
+			break
+		}
+	} until ($done)
+	exit 0
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
 }
-
-$grammar2 = [System.Speech.Recognition.GrammarBuilder]::new();
-$grammar2.Append("exit");
-$speechRecogEng.LoadGrammar($grammar2);
-
-write-output "Got $Count voice commands, listening now..."
-$done = $false
-do {
-	$recognized = $speechRecogEng.Recognize()
-	write-host -nonewline "."
-	if ($recognized.confidence -lt $MinConfidence) { continue }
-	$myWords = $recognized.text
-	write-host -nonewline "$myWords ($($recognized.confidence) %)"
-	if ($myWords -match "hello") {
-		continue
-	}
-	if ($myWords -match "open notepad") {
-		continue
-	}
-	if ($myWords -match "exit") {
-		break
-	}
-} until ($done)
-
-exit 0