Fix VAD+ASR example for Dart API. (#1294)

There is no need to invoke vad.isDetected().

dart-api-examples/non-streaming-asr/bin/vad-with-paraformer.dart

@@ -69,7 +69,6 @@ void main(List<String> arguments) async {
     vad.acceptWaveform(Float32List.sublistView(
         waveData.samples, start, start + vadConfig.sileroVad.windowSize));
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final stream = recognizer.createStream();
       final segment = vad.front();
@@ -91,7 +90,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();
   while (!vad.isEmpty()) {

dart-api-examples/vad-with-non-streaming-asr/bin/paraformer.dart

@@ -76,7 +76,6 @@ void main(List<String> arguments) async {
     vad.acceptWaveform(Float32List.sublistView(
         waveData.samples, start, start + vadConfig.sileroVad.windowSize));
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final samples = vad.front().samples;
       final startTime = vad.front().start.toDouble() / waveData.sampleRate;
@@ -84,8 +83,7 @@ void main(List<String> arguments) async {
           startTime + samples.length.toDouble() / waveData.sampleRate;
 
       final stream = recognizer.createStream();
-        stream.acceptWaveform(
-            samples: samples, sampleRate: waveData.sampleRate);
+      stream.acceptWaveform(samples: samples, sampleRate: waveData.sampleRate);
       recognizer.decode(stream);
 
       final result = recognizer.getResult(stream);
@@ -96,7 +94,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();
 

dart-api-examples/vad-with-non-streaming-asr/bin/sense-voice-2.dart

@@ -84,7 +84,6 @@ void main(List<String> arguments) async {
 
     vad.acceptWaveform(samples);
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final samples = vad.front().samples;
       final startTime = vad.front().start.toDouble() / waveData.sampleRate;
@@ -92,8 +91,7 @@ void main(List<String> arguments) async {
           startTime + samples.length.toDouble() / waveData.sampleRate;
 
       final stream = recognizer.createStream();
-        stream.acceptWaveform(
-            samples: samples, sampleRate: waveData.sampleRate);
+      stream.acceptWaveform(samples: samples, sampleRate: waveData.sampleRate);
       recognizer.decode(stream);
 
       final result = recognizer.getResult(stream);
@@ -104,7 +102,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();
 

dart-api-examples/vad-with-non-streaming-asr/bin/sense-voice.dart

@@ -81,7 +81,6 @@ void main(List<String> arguments) async {
     vad.acceptWaveform(Float32List.sublistView(
         waveData.samples, start, start + vadConfig.sileroVad.windowSize));
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final samples = vad.front().samples;
       final startTime = vad.front().start.toDouble() / waveData.sampleRate;
@@ -89,8 +88,7 @@ void main(List<String> arguments) async {
           startTime + samples.length.toDouble() / waveData.sampleRate;
 
       final stream = recognizer.createStream();
-        stream.acceptWaveform(
-            samples: samples, sampleRate: waveData.sampleRate);
+      stream.acceptWaveform(samples: samples, sampleRate: waveData.sampleRate);
       recognizer.decode(stream);
 
       final result = recognizer.getResult(stream);
@@ -101,7 +99,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();
 

dart-api-examples/vad-with-non-streaming-asr/bin/telespeech-ctc.dart

@@ -73,7 +73,6 @@ void main(List<String> arguments) async {
     vad.acceptWaveform(Float32List.sublistView(
         waveData.samples, start, start + vadConfig.sileroVad.windowSize));
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final samples = vad.front().samples;
       final startTime = vad.front().start.toDouble() / waveData.sampleRate;
@@ -81,8 +80,7 @@ void main(List<String> arguments) async {
           startTime + samples.length.toDouble() / waveData.sampleRate;
 
       final stream = recognizer.createStream();
-        stream.acceptWaveform(
-            samples: samples, sampleRate: waveData.sampleRate);
+      stream.acceptWaveform(samples: samples, sampleRate: waveData.sampleRate);
       recognizer.decode(stream);
 
       final result = recognizer.getResult(stream);
@@ -93,7 +91,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();
 

dart-api-examples/vad-with-non-streaming-asr/bin/whisper.dart

@@ -80,7 +80,6 @@ void main(List<String> arguments) async {
     vad.acceptWaveform(Float32List.sublistView(
         waveData.samples, start, start + vadConfig.sileroVad.windowSize));
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final samples = vad.front().samples;
       final startTime = vad.front().start.toDouble() / waveData.sampleRate;
@@ -88,8 +87,7 @@ void main(List<String> arguments) async {
           startTime + samples.length.toDouble() / waveData.sampleRate;
 
       final stream = recognizer.createStream();
-        stream.acceptWaveform(
-            samples: samples, sampleRate: waveData.sampleRate);
+      stream.acceptWaveform(samples: samples, sampleRate: waveData.sampleRate);
       recognizer.decode(stream);
 
       final result = recognizer.getResult(stream);
@@ -100,7 +98,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();
 

dart-api-examples/vad-with-non-streaming-asr/bin/zipformer-transducer.dart

@@ -84,7 +84,6 @@ void main(List<String> arguments) async {
     vad.acceptWaveform(Float32List.sublistView(
         waveData.samples, start, start + vadConfig.sileroVad.windowSize));
 
-    if (vad.isDetected()) {
     while (!vad.isEmpty()) {
       final samples = vad.front().samples;
       final startTime = vad.front().start.toDouble() / waveData.sampleRate;
@@ -92,8 +91,7 @@ void main(List<String> arguments) async {
           startTime + samples.length.toDouble() / waveData.sampleRate;
 
       final stream = recognizer.createStream();
-        stream.acceptWaveform(
-            samples: samples, sampleRate: waveData.sampleRate);
+      stream.acceptWaveform(samples: samples, sampleRate: waveData.sampleRate);
       recognizer.decode(stream);
 
       final result = recognizer.getResult(stream);
@@ -104,7 +102,6 @@ void main(List<String> arguments) async {
       vad.pop();
     }
   }
-  }
 
   vad.flush();