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codingmath's Issues

echo_frame should be initialized as frame

there's no check for apm->ProcessReverseStream(echo_frame); actually,it will return
kBadSampleRateError = -7.
just treat the echo_frame like frame,initialize it and the prog will run happily. the aec module will work.
webrtc::AudioFrame *echo_frame = NULL;
if (is_echo_cancel) {
echo_frame = new webrtc::AudioFrame();
echo_frame->num_channels_ = 1;
echo_frame->sample_rate_hz_ = 16000;
echo_frame->samples_per_channel_ = frame->sample_rate_hz_ * frame_step / 1000.0;
}

关于WFST的解码

你好,我在数字编程上看到你这篇博文《构建 CTC 语音识别解码网络》,在构建好解码图后,如何得到更加准确的输出呢?最后的利用解码图(fst)解码的具体过程是什么样的?
“解码时从解码网络获得TransitionId转为对应的PdfId做为 RNN 输出层索引获得” ,我最想理解你这句话,发现看不懂
期待你的回复,谢谢

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