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spkDiarization/01_RUN_feature_extraction.sh
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#!/bin/bash #################################################################### # Featrure extraction for speaker verification system based on ALIZE 3.0 # # This script is distributed in the hope that it will useful but WITHOUT ANY WARRANTY. # # This tutorial is designed to help getting an hand on the LIA_RAL toolkit by introducting # the main executables in context. # # Executables used in this script are NOT part of the ALIZE toolkit. # The author of this tutorial recommand the use of these tools as he is familiar with. # However, acoustic feature extraction is not limited to Spro and HTK and # other tools can be used for this purpose. # # by Anthony Larcher # alarcher - at- i2r.a-star.edu.sg # # 07/06/2013 #################################################################### # This script extract acoustic features from the SPHERE files available in the ./spkDiarization/data/sph/ directory and generate feature files in ./spkDiarization/data/prm/ # Before running this script you should select a configuration by setting the two following parameters. # FEATURE_TYPE design the program used to extract the acoustic features: Spro or HTK # # In case Spro is selected and that sfbcep is not compiled linked to the SPHERE library, SPHERE files need to be converted into # raw PCM files by using the tools provided by the NIST and available at: # # http://www.speech.cs.cmu.edu/comp.speech/Section1/AudioSoftware/nist.html # # In this case, set the parameter INPUT_FORMAT to PCM # FEATURE_TYPE="SPro" # can be SPro or HTK INPUT_FORMAT="SPH" # can be SPH or PCM # If SPro has not been linked to the SPHERE library, convert first the SPHERE files into raw PCM files without header if [ $INPUT_FORMAT = "PCM" ]; then for i in `cat spkDiarization/data/data.lst`; do CMD_DECODE="spkDiarization/bin/w_decode -o pcm spkDiarization/data/sph/$i.sph spkDiarization/data/pcm/$i.sph" echo $CMD_DECODE $CMD_DECODE CMD_CONVERT="spkDiarization/bin/h_strip spkDiarization/data/pcm/$i.sph spkDiarization/data/pcm/$i.pcm" echo $CMD_CONVERT $CMD_CONVERT done # Remove the temporary SPHERE files echo "Remove temporary SPHERE files" rm spkDiarization/data/pcm/*.sph # Extract MFCC features with SPro for i in `cat spkDiarization/data/data.lst`;do COMMAND_LINE="spkDiarization/bin/sfbcep -m -k 0.97 -p19 -n 24 -r 22 -e -D -A -F PCM16 spkDiarization/data/pcm/$i.pcm spkDiarization/data/prm/$i.tmp.prm" echo $COMMAND_LINE $COMMAND_LINE done fi if [ $INPUT_FORMAT = "SPH" ]; then if [ $FEATURE_TYPE = "SPro" ]; then # Extract a list of files for i in `cat spkDiarization/data/data.lst`;do COMMAND_LINE="spkDiarization/bin/sfbcep -m -k 0.97 -p19 -n 24 -r 22 -e -D -A -F SPHERE spkDiarization/data/sph/$i.sph spkDiarization/data/prm/$i.tmp.prm" echo $COMMAND_LINE $COMMAND_LINE done else # Extract features using HTK # Extract a list of files COMMAND_LINE="spkDiarization/bin/HCopy -C spkDiarization/cfg/hcopy_sph.cfg -T 1 -S spkDiarization/data/data_htk.scp" echo $COMMAND_LINE $COMMAND_LINE fi fi |