50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
#!/usr/bin/python
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from os import environ, path
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from sys import stdout
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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', path.join(MODELDIR, 'en-us/en-us'))
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config.set_string('-lm', path.join(DATADIR, 'turtle.lm.bin'))
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config.set_string('-dict', path.join(DATADIR, 'turtle.dic'))
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decoder = Decoder(config)
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# Decode with lm
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decoder.start_utt()
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stream = open(path.join(DATADIR, 'goforward.raw'), 'rb')
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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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decoder.end_utt()
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print ('Decoding with "turtle" language:', decoder.hyp().hypstr)
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# Switch to JSGF grammar
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jsgf = Jsgf(path.join(DATADIR, 'goforward.gram'))
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rule = jsgf.get_rule('goforward.move2')
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fsg = jsgf.build_fsg(rule, decoder.get_logmath(), 7.5)
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fsg.writefile('goforward.fsg')
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decoder.set_fsg("goforward", fsg)
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decoder.set_search("goforward")
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decoder.start_utt()
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stream = open(path.join(DATADIR, 'goforward.raw'), 'rb')
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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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decoder.end_utt()
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print ('Decoding with "goforward" grammar:', decoder.hyp().hypstr)
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