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KALDI_LOG << "R/W using kaldi Input/Output";
std::string input_wav_path = "data/ENG_M.wav";
WaveData input_wave;
WaveHolder waveholder;
Input ki(input_wav_path);
waveholder.Read(ki.Stream());
input_wave = waveholder.Value();
cout<<"dur: "<<input_wave.Duration()<<" fs: "<<input_wave.SampFreq()<<endl;
Matrix<BaseFloat> input_wave_mat = input_wave.Data();
int n_rows = input_wave_mat.NumRows();

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void ReadWaveSpecifier(){
    std::string wav_rspecifier = "scp:data/wav.scp";
    SequentialTableReader<WaveHolder> wav_reader(wav_rspecifier);
    for (; !wav_reader.Done(); wav_reader.Next()){
        std::string key = wav_reader.Key();
        WaveData wave_data = wav_reader.Value();
        cout << "wav_spec dur: "<<wave_data.Duration()<<endl;
    }
}

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int ReadOpts(int argc, char* argv[]){
    try {
        const char *usage = "test options parser";
        kaldi::ParseOptions po(usage);
        bool use_i = false;
        po.Register("use-i", &use_i, "use i bool");
        po.Read(argc, argv);
        cout<<po.NumArgs()<<endl;
        if (po.NumArgs() != 1) {
            po.PrintUsage();

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 cd kaldi/tools || exit 1;
 if [ -d kaldi_lm ]; then
   echo Not installing the kaldi_lm toolkit since it is already there.
 else
   echo Downloading and installing the kaldi_lm tools
   if [ ! -f kaldi_lm.tar.gz ]; then
     wget http://www.danielpovey.com/files/kaldi/kaldi_lm.tar.gz || exit 1;
   fi
   tar -xvzf kaldi_lm.tar.gz || exit 1;
   cd kaldi_lm