From 7664f364e6ed31b0be12f9107b4bd8b8be34dadd Mon Sep 17 00:00:00 2001
From: 志浩 <neo.dzh@alibaba-inc.com>
Date: 星期三, 02 八月 2023 14:52:28 +0800
Subject: [PATCH] TOLD/SOND: modify data preprocessing

---
 egs/callhome/diarization/sond/finetune.sh |   67 +++++++++++++++++++++------------
 1 files changed, 43 insertions(+), 24 deletions(-)

diff --git a/egs/callhome/diarization/sond/finetune.sh b/egs/callhome/diarization/sond/finetune.sh
index f2428ad..5a4842d 100644
--- a/egs/callhome/diarization/sond/finetune.sh
+++ b/egs/callhome/diarization/sond/finetune.sh
@@ -30,6 +30,13 @@
   ln -s ${kaldi_root}/egs/callhome_diarization/v2/utils ./utils
 fi
 
+# callhome data root like path/to/NIST/LDC2001S97
+callhome_root=
+if [ -z "${kaldi_root}" ]; then
+  echo "We need callhome corpus to prepare data."
+  exit;
+fi
+
 # machines configuration
 gpu_devices="0,1,2,3"  # for V100-16G, need 4 gpus.
 gpu_num=4
@@ -41,9 +48,6 @@
 # number of jobs for data process
 nj=16
 sr=8000
-
-# dataset related
-callhome_root=path/to/NIST/LDC2001S97
 
 # experiment configuration
 lang=en
@@ -92,8 +96,24 @@
 
 # Prepare datasets
 if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
-  echp "Stage 0: Prepare callhome data."
+  echo "Stage 0: Prepare callhome data."
   local/make_callhome.sh ${callhome_root} ${datadir}/
+
+  # split ref.rttm
+  for dset in callhome1 callhome2; do
+    rm -rf ${datadir}/${dset}/ref.rttm
+    for name in `awk '{print $1}' ${datadir}/${dset}/wav.scp`; do
+      grep ${name} ${datadir}/callhome/fullref.rttm >> ${datadir}/${dset}/ref.rttm;
+    done
+
+    # filter out records which don't have rttm labels.
+    awk '{print $2}' ${datadir}/${dset}/ref.rttm | sort | uniq > ${datadir}/${dset}/uttid
+    mv ${datadir}/${dset}/wav.scp ${datadir}/${dset}/wav.scp.bak
+    awk '{if (NR==FNR){a[$1]=1}else{if (a[$1]==1){print $0}}}' ${datadir}/${dset}/uttid ${datadir}/${dset}/wav.scp.bak > ${datadir}/${dset}/wav.scp
+    mkdir ${datadir}/${dset}/raw
+    mv ${datadir}/${dset}/{reco2num_spk,segments,spk2utt,utt2spk,uttid,wav.scp.bak} ${datadir}/${dset}/raw/
+    awk '{print $1,$1}' ${datadir}/${dset}/wav.scp > ${datadir}/${dset}/utt2spk
+  done
 fi
 
 if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
@@ -123,10 +143,10 @@
     mkdir -p ${dumpdir}/${dset}/nonoverlap_0s
     python -Wignore script/extract_nonoverlap_segments.py \
       ${datadir}/${dset}/wav.scp ${datadir}/${dset}/ref.rttm ${dumpdir}/${dset}/nonoverlap_0s \
-      --min_dur 0 --max_spk_num 8 --sr ${sr} --no_pbar --nj ${nj}
+      --min_dur 0.1 --max_spk_num 8 --sr ${sr} --no_pbar --nj ${nj}
 
     mkdir -p ${datadir}/${dset}/nonoverlap_0s
-    find `pwd`/${dumpdir}/${dset}/nonoverlap_0s | sort | awk -F'[/.]' '{print $(NF-1),$0}' > ${datadir}/${dset}/nonoverlap_0s/wav.scp
+    find ${dumpdir}/${dset}/nonoverlap_0s/ -iname "*.wav" | sort | awk -F'[/.]' '{print $(NF-1),$0}' > ${datadir}/${dset}/nonoverlap_0s/wav.scp
     awk -F'[/.]' '{print $(NF-1),$(NF-2)}' ${datadir}/${dset}/nonoverlap_0s/wav.scp > ${datadir}/${dset}/nonoverlap_0s/utt2spk
     echo "Done."
   done
@@ -134,37 +154,36 @@
 
 if [ ${stage} -le 3 ] && [ ${stop_stage} -ge 3 ]; then
   echo "Stage 3: Generate fbank features"
-  home_path=`pwd`
+  home_path=$(pwd)
   cd ${kaldi_root}/egs/callhome_diarization/v2 || exit
 
-  . ./cmd.sh
+  export train_cmd="run.pl"
+  export cmd="run.pl"
   . ./path.sh
+  cd $home_path || exit
 
+  ln -s ${kaldi_root}/egs/callhome_diarization/v2/steps ./
   for dset in callhome1 callhome2; do
+    utils/fix_data_dir.sh ${datadir}/${dset}
     steps/make_fbank.sh --write-utt2num-frames true --fbank-config conf/fbank.conf --nj ${nj} --cmd "$train_cmd" \
         ${datadir}/${dset} ${expdir}/make_fbank/${dset} ${dumpdir}/${dset}/fbank
-    utils/fix_data_dir.sh ${datadir}/${dset}
   done
+  rm -f steps
 
-  for dset in callhome1/nonoverlap_0s callhome2/nonoverlap_0s; do
-    steps/make_fbank.sh --write-utt2num-frames true --fbank-config conf/fbank.conf --nj ${nj} --cmd "$train_cmd" \
-        ${datadir}/${dset} ${expdir}/make_fbank/${dset} ${dumpdir}/${dset}/fbank
-    utils/fix_data_dir.sh ${datadir}/${dset}
-  done
-
-  cd ${home_path} || exit
 fi
 
 if [ ${stage} -le 4 ] && [ ${stop_stage} -ge 4 ]; then
   echo "Stage 4: Extract speaker embeddings."
-  git lfs install
-  git clone https://www.modelscope.cn/damo/speech_xvector_sv-en-us-callhome-8k-spk6135-pytorch.git
-  mv speech_xvector_sv-en-us-callhome-8k-spk6135-pytorch ${expdir}/
-
   sv_exp_dir=exp/speech_xvector_sv-en-us-callhome-8k-spk6135-pytorch
-  sed "s/input_size: null/input_size: 80/g" ${sv_exp_dir}/sv.yaml > ${sv_exp_dir}/sv_fbank.yaml
+
+  if [ ! -e ${sv_exp_dir} ]; then
+    git lfs install
+    git clone https://www.modelscope.cn/damo/speech_xvector_sv-en-us-callhome-8k-spk6135-pytorch.git
+    mv speech_xvector_sv-en-us-callhome-8k-spk6135-pytorch ${expdir}/
+  fi
+
   for dset in callhome1/nonoverlap_0s callhome2/nonoverlap_0s; do
-    key_file=${datadir}/${dset}/feats.scp
+    key_file=${datadir}/${dset}/wav.scp
     num_scp_file="$(<${key_file} wc -l)"
     _nj=$([ $inference_nj -le $num_scp_file ] && echo "$inference_nj" || echo "$num_scp_file")
     _logdir=${dumpdir}/${dset}/xvecs
@@ -182,9 +201,9 @@
         --njob ${njob} \
         --ngpu "${_ngpu}" \
         --gpuid_list ${gpuid_list} \
-        --data_path_and_name_and_type "${key_file},speech,kaldi_ark" \
+        --data_path_and_name_and_type "${key_file},speech,sound" \
         --key_file "${_logdir}"/keys.JOB.scp \
-        --sv_train_config ${sv_exp_dir}/sv_fbank.yaml \
+        --sv_train_config ${sv_exp_dir}/sv.yaml \
         --sv_model_file ${sv_exp_dir}/sv.pth \
         --output_dir "${_logdir}"/output.JOB
     cat ${_logdir}/output.*/xvector.scp | sort > ${datadir}/${dset}/utt2xvec

--
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