43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
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#!/usr/bin/python
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import sys, os
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from pocketsphinx.pocketsphinx import *
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from sphinxbase.sphinxbase import *
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modeldir = "../../../model"
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datadir = "../../../test/data"
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# Create a decoder with certain model
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config = Decoder.default_config()
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config.set_string('-hmm', os.path.join(modeldir, 'en-us/en-us'))
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config.set_string('-dict', os.path.join(modeldir, 'en-us/cmudict-en-us.dict'))
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config.set_string('-keyphrase', 'forward')
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config.set_float('-kws_threshold', 1e+20)
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# Open file to read the data
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stream = open(os.path.join(datadir, "goforward.raw"), "rb")
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# Alternatively you can read from microphone
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# import pyaudio
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#
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# p = pyaudio.PyAudio()
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# stream = p.open(format=pyaudio.paInt16, channels=1, rate=16000, input=True, frames_per_buffer=1024)
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# stream.start_stream()
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# Process audio chunk by chunk. On keyword detected perform action and restart search
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decoder = Decoder(config)
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decoder.start_utt()
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while True:
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buf = stream.read(1024)
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if buf:
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decoder.process_raw(buf, False, False)
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else:
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break
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if decoder.hyp() != None:
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print ([(seg.word, seg.prob, seg.start_frame, seg.end_frame) for seg in decoder.seg()])
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print ("Detected keyword, restarting search")
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decoder.end_utt()
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decoder.start_utt()
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