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diff --git a/script/train_sub_quant.sh b/script/train_sub_quant.sh
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--- a/script/train_sub_quant.sh
+++ /dev/null
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-#!/bin/bash -x
-# train_sub_quant.sh
-# David Rowe May 2021
-#
-# Training and testing Vector Quantisers (VQ) for Codec 2 newamp1, in
-# this case training on a subset
-
-TRAIN=~/Downloads/all_speech_8k.sw
-CODEC2_PATH=$HOME/codec2
-PATH=$PATH:$CODEC2_PATH/build_linux/src:$CODEC2_PATH/build_linux/misc
-K=20
-Kst=2
-Ken=16
-
-# train a new VQ
-function train() {
-  fullfile=$TRAIN
-  filename=$(basename -- "$fullfile")
-  extension="${filename##*.}"
-  filename="${filename%.*}"
-  
-  c2sim $fullfile --rateK --rateKout ${filename}.f32
-  echo "ratek=load_f32('../build_linux/${filename}.f32',20); vq_700c_eq; ratek_lim=limit_vec(ratek, 0, 40); save_f32('../build_linux/${filename}_lim.f32', ratek_lim); quit" | \
-  octave -p ${CODEC2_PATH}/octave -qf
-  vqtrain ${filename}_lim.f32 $K 4096 vq_stage1.f32 -s 1e-3 --st $Kst --en $Ken
-}
-
-function listen() {
-  fullfile=$1
-  filename=$(basename -- "$fullfile")
-  extension="${filename##*.}"
-  filename="${filename%.*}"
-  
-  c2sim $fullfile --rateK --rateKout ${filename}.f32
-  echo "ratek=load_f32('../build_linux/${filename}.f32',20); vq_700c_eq; ratek_lim=limit_vec(ratek, 0, 40); save_f32('../build_linux/${filename}_lim.f32', ratek_lim); quit" | \
-  octave -p ${CODEC2_PATH}/octave -qf
-  cat ${filename}_lim.f32 | vq_mbest --st $Kst --en $Ken -k $K -q vq_stage1.f32 > ${filename}_test.f32
-  c2sim $fullfile --rateK --rateKin ${filename}_test.f32 -o - | sox -t .s16 -r 8000 -c 1 - ${filename}_sub.wav
-  c2sim $fullfile --rateK --newamp1vq -o - | sox -t .s16 -r 8000 -c 1 - ${filename}_newamp1.wav
-}
-
-# choose which function to run here
-train
-# these two samples are inside training database
-listen ~/Downloads/fish_8k.sw
-listen ~/Downloads/cap_8k.sw
-# two samples from outside training database
-listen $CODEC2_PATH/raw/big_dog.raw
-listen $CODEC2_PATH/raw/hts2a.raw
-# these two samples are inside training database, but with LPF at 3400 Hz outside of subset
-listen ~/Downloads/fish_8k_lp.sw
-listen ~/Downloads/cap_8k_lp.sw
-