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realtime.py

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+import sounddevice as sd
+import queue
+import sys
+import json
+from vosk import Model, KaldiRecognizer
+model = Model("/home/radxa/vosk-model/vosk-model-small-en-us-0.15")
+
+rec = KaldiRecognizer(model, 16000)
+q = queue.Queue()
+
+def callback(indata, frames, time, status):
+    if status:
+        print(status, file=sys.stderr)
+    q.put(bytes(indata))
+
+with sd.RawInputStream(samplerate=16000, blocksize=8000, dtype='int16',
+                       channels=1, callback=callback):
+    print("Listening... Speak into the mic.")
+    while True:
+        data = q.get()
+        if rec.AcceptWaveform(data):
+            result = json.loads(rec.Result())
+            print(".", result)
+        else:
+            partial = json.loads(rec.PartialResult())
+            print("...", partial, end='\r')