From 33d3d2084403fd34b79c835d2f2fe04f6cd8f738 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期三, 13 九月 2023 09:33:54 +0800
Subject: [PATCH] Merge branch 'main' of github.com:alibaba-damo-academy/FunASR add

---
 egs/aishell/transformer/utils/compute_cmvn.sh |   35 ++++++++++++++++++++++-------------
 1 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/egs/aishell/transformer/utils/compute_cmvn.sh b/egs/aishell/transformer/utils/compute_cmvn.sh
index 79354af..4e7f80e 100755
--- a/egs/aishell/transformer/utils/compute_cmvn.sh
+++ b/egs/aishell/transformer/utils/compute_cmvn.sh
@@ -2,29 +2,38 @@
 
 . ./path.sh || exit 1;
 # Begin configuration section.
+fbankdir=
 nj=32
 cmd=./utils/run.pl
 feats_dim=80
+config_file=
+scale=1.0
 
 echo "$0 $@"
 
 . utils/parse_options.sh || exit 1;
 
-fbankdir=$1
-logdir=$2
+# shellcheck disable=SC2046
+head -n $(awk -v lines="$(wc -l < ${fbankdir}/wav.scp)" -v scale="$scale" 'BEGIN { printf "%.0f\n", lines*scale }') ${fbankdir}/wav.scp > ${fbankdir}/wav.scp.scale
 
-output_dir=${fbankdir}/cmvn/split_${nj};
-mkdir -p $output_dir
+split_dir=${fbankdir}/cmvn/split_${nj};
+mkdir -p $split_dir
 split_scps=""
 for n in $(seq $nj); do
-    split_scps="$split_scps $output_dir/wav.$n.scp"
+    split_scps="$split_scps $split_dir/wav.$n.scp"
 done
-utils/split_scp.pl ${fbankdir}/wav.scp $split_scps || exit 1;
+utils/split_scp.pl ${fbankdir}/wav.scp.scale $split_scps || exit 1;
 
-#$cmd JOB=1:$nj $logdir/cmvn.JOB.log \
-#    python utils/compute_cmvn.py -d ${feats_dim} -a $fbankdir/ark -i JOB -o ${output_dir} \
-#        || exit 1;
-#
-#python utils/combine_cmvn_file.py -d ${feats_dim} -c ${output_dir} -n $nj -o $fbankdir
-#
-#echo "$0: Succeeded compute global cmvn"
+logdir=${fbankdir}/cmvn/log
+$cmd JOB=1:$nj $logdir/cmvn.JOB.log \
+    python utils/compute_cmvn.py \
+      --dim ${feats_dim} \
+      --wav_path $split_dir \
+      --config_file $config_file \
+      --idx JOB \
+
+python utils/combine_cmvn_file.py --dim ${feats_dim} --cmvn_dir $split_dir --nj $nj --output_dir ${fbankdir}/cmvn
+
+python utils/cmvn_converter.py --cmvn_json ${fbankdir}/cmvn/cmvn.json --am_mvn ${fbankdir}/cmvn/am.mvn
+
+echo "$0: Succeeded compute global cmvn"

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