Respect VAD flag, downloading & updated to latest version

VoiceInk.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -7,7 +7,7 @@
       "location" : "https://github.com/FluidInference/FluidAudio",
       "state" : {
         "branch" : "main",
-        "revision" : "1416b2f8d6be50d7aa47f32a3baeeb8669c375e9"
+        "revision" : "328036d255ef76b8d661eacc16ac108eb45f9218"
       }
     },
     {

VoiceInk/Resources/models/silero-vad-unified-256ms-v6.0.0.mlmodelc/metadata.json

@@ -1,120 +0,0 @@
-[
-  {
-    "shortDescription" : "Silero VAD Unified Model 256ms (STFT + Encoder + Decoder) with noisy-OR aggregation",
-    "metadataOutputVersion" : "3.0",
-    "outputSchema" : [
-      {
-        "hasShapeFlexibility" : "0",
-        "isOptional" : "0",
-        "dataType" : "Float32",
-        "formattedType" : "MultiArray (Float32 1 × 1 × 1)",
-        "shortDescription" : "",
-        "shape" : "[1, 1, 1]",
-        "name" : "vad_output",
-        "type" : "MultiArray"
-      },
-      {
-        "hasShapeFlexibility" : "0",
-        "isOptional" : "0",
-        "dataType" : "Float32",
-        "formattedType" : "MultiArray (Float32 1 × 128)",
-        "shortDescription" : "",
-        "shape" : "[1, 128]",
-        "name" : "new_hidden_state",
-        "type" : "MultiArray"
-      },
-      {
-        "hasShapeFlexibility" : "0",
-        "isOptional" : "0",
-        "dataType" : "Float32",
-        "formattedType" : "MultiArray (Float32 1 × 128)",
-        "shortDescription" : "",
-        "shape" : "[1, 128]",
-        "name" : "new_cell_state",
-        "type" : "MultiArray"
-      }
-    ],
-    "version" : "6.0.0",
-    "modelParameters" : [
-
-    ],
-    "author" : "Fluid Infernece + Silero Team",
-    "specificationVersion" : 6,
-    "storagePrecision" : "Mixed (Float16, Float32)",
-    "mlProgramOperationTypeHistogram" : {
-      "Concat" : 9,
-      "Lstm" : 8,
-      "SliceByIndex" : 41,
-      "Clip" : 32,
-      "Pow" : 16,
-      "Transpose" : 16,
-      "Sub" : 2,
-      "Relu" : 40,
-      "Squeeze" : 18,
-      "Cast" : 54,
-      "Sigmoid" : 8,
-      "Add" : 16,
-      "ExpandDims" : 26,
-      "Sqrt" : 8,
-      "Mul" : 7,
-      "Conv" : 48,
-      "Pad" : 8
-    },
-    "computePrecision" : "Mixed (Float16, Float32, Int32)",
-    "stateSchema" : [
-
-    ],
-    "isUpdatable" : "0",
-    "availability" : {
-      "macOS" : "12.0",
-      "tvOS" : "15.0",
-      "visionOS" : "1.0",
-      "watchOS" : "8.0",
-      "iOS" : "15.0",
-      "macCatalyst" : "15.0"
-    },
-    "modelType" : {
-      "name" : "MLModelType_mlProgram"
-    },
-    "inputSchema" : [
-      {
-        "hasShapeFlexibility" : "0",
-        "isOptional" : "0",
-        "dataType" : "Float32",
-        "formattedType" : "MultiArray (Float32 1 × 4160)",
-        "shortDescription" : "",
-        "shape" : "[1, 4160]",
-        "name" : "audio_input",
-        "type" : "MultiArray"
-      },
-      {
-        "hasShapeFlexibility" : "0",
-        "isOptional" : "0",
-        "dataType" : "Float32",
-        "formattedType" : "MultiArray (Float32 1 × 128)",
-        "shortDescription" : "",
-        "shape" : "[1, 128]",
-        "name" : "hidden_state",
-        "type" : "MultiArray"
-      },
-      {
-        "hasShapeFlexibility" : "0",
-        "isOptional" : "0",
-        "dataType" : "Float32",
-        "formattedType" : "MultiArray (Float32 1 × 128)",
-        "shortDescription" : "",
-        "shape" : "[1, 128]",
-        "name" : "cell_state",
-        "type" : "MultiArray"
-      }
-    ],
-    "userDefinedMetadata" : {
-      "com.github.apple.coremltools.conversion_date" : "2025-09-15",
-      "com.github.apple.coremltools.source" : "torch==2.7.0",
-      "com.github.apple.coremltools.version" : "9.0b1",
-      "com.github.apple.coremltools.source_dialect" : "TorchScript"
-    },
-    "generatedClassName" : "silero_vad_unified_256ms_v6_0_0",
-    "method" : "predict"
-  }
-]

VoiceInk/Services/ParakeetTranscriptionService.swift

@@ -22,29 +22,16 @@ class ParakeetTranscriptionService: TranscriptionService {
             return
         }
 
-        do {
+        if let customModelsDirectory {
-         
+            do {
-            asrManager = AsrManager(config: .default) 
+                asrManager = AsrManager(config: .default)
-            let models: AsrModels
+                let models = try await AsrModels.load(from: customModelsDirectory)
-			if let customDirectory = customModelsDirectory {
+                try await asrManager?.initialize(models: models)
-				logger.notice("🦜 Loading Parakeet models from: \(customDirectory.path)")
+                isModelLoaded = true
-				models = try await AsrModels.load(from: customDirectory)
+            } catch {
-			} else {
+                isModelLoaded = false
-				logger.notice("🦜 Loading Parakeet models from default directory")
+                asrManager = nil
-				let defaultDir = AsrModels.defaultCacheDirectory()
+            }
-				models = try await AsrModels.load(from: defaultDir)
-			}
-            
-            try await asrManager?.initialize(models: models)
-			isModelLoaded = true
-			logger.notice("🦜 Parakeet model loaded successfully")
-            
-		} catch {
-            let description = (error as? LocalizedError)?.errorDescription ?? error.localizedDescription
-            logger.error("🦜 Failed to load Parakeet model: \(description)")
-            isModelLoaded = false
-            asrManager = nil
-            throw error
         }
     }
 
@@ -59,22 +46,23 @@ class ParakeetTranscriptionService: TranscriptionService {
         
         let audioSamples = try readAudioSamples(from: audioURL)
 
-        let sampleRate = 16000.0
+        let durationSeconds = Double(audioSamples.count) / 16000.0
-        let durationSeconds = Double(audioSamples.count) / sampleRate
+
+        let isVADEnabled = UserDefaults.standard.object(forKey: "IsVADEnabled") as? Bool ?? true
 
         let speechAudio: [Float]
-        if durationSeconds < 20.0 {
+        if durationSeconds < 20.0 || !isVADEnabled {
             speechAudio = audioSamples
         } else {
             let vadConfig = VadConfig(threshold: 0.7)
-            if vadManager == nil {
+            if vadManager == nil, let customModelsDirectory {
-                if let bundledVadURL = Bundle.main.url(forResource: ModelNames.VAD.sileroVad, withExtension: "mlmodelc") {
+                do {
-                    do {
+                    vadManager = try await VadManager(
-                        let bundledModel = try MLModel(contentsOf: bundledVadURL)
+                        config: vadConfig,
-                        vadManager = VadManager(config: vadConfig, vadModel: bundledModel)
+                        modelDirectory: customModelsDirectory.deletingLastPathComponent()
-                    } catch {
+                    )
-                    }
+                } catch {
-                } else {
+                    // Silent failure
                 }
             }
 

VoiceInk/Whisper/WhisperState+Parakeet.swift

@@ -33,6 +33,14 @@ extension WhisperState {
 
         do {
             _ = try await AsrModels.downloadAndLoad(to: parakeetModelsDirectory)
+
+            // Also download VAD model into the same parent directory as ASR models
+            let parentDir = parakeetModelsDirectory.deletingLastPathComponent()
+            _ = try await DownloadUtils.loadModels(
+                .vad,
+                modelNames: Array(ModelNames.VAD.requiredModels),
+                directory: parentDir
+            )
             self.isParakeetModelDownloaded = true
             downloadProgress["parakeet-tdt-0.6b"] = 1.0
         } catch {