Hello all,
I am using gstreamer plugin for kaldi
<
https://github.com/alumae/gst-kaldi-nnet2-online> (speech recognition
tool). This is the pipeline
<
https://github.com/alumae/gst-kaldi-nnet2-online/blob/master/demo/gui-demo.py>
for kaldi plugi to do speech-to-text ( microphone input -> text transcript):
self.pulsesrc.link(self.audioconvert)
self.audioconvert.link(self.audioresample)
self.audioresample.link(self.asr)
self.asr.link(self.fakesink)
Now, I'd like to record the audio from microphone into .ogg file at the same
time. I made the following changes to the pipeline codes:
# get audio from mic device
self.pulsesrc.link(self.audioconvert1)
self.audioconvert1.link(self.tee)
# save to ogg
self.audio_queue.link(self.vorbisenc)
self.vorbisenc.link(self.oggmux)
self.oggmux.link(self.filesink)
# send to asr
self.asr_queue.link(self.audioconvert)
self.audioconvert.link(self.audioresample)
self.audioresample.link(self.asr)
self.asr.link(self.fakesink)
# tied up tee and queues
self.tee.link(self.audio_queue)
self.tee.link(self.asr_queue)
However, the pipeline doesn't work, There is no gst errors but audio is not
saved and text doesn't come out.
I suspect something is blocking the pipeline and I couldn't figure it out.
Would like to hear suggestions !
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