From e1ba6bc138b4e73875c64f35f98f3b15a0560e92 Mon Sep 17 00:00:00 2001
From: 嘉渊 <wangjiaming.wjm@alibaba-inc.com>
Date: 星期三, 17 五月 2023 15:16:06 +0800
Subject: [PATCH] Merge branch 'dev_infer' of https://github.com/alibaba/FunASR into dev_infer
---
egs/aishell2/transformer/utils/compute_cmvn.sh | 34 ++++++++++++++++++++++++++++++++++
1 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/egs/aishell2/transformer/utils/compute_cmvn.sh b/egs/aishell2/transformer/utils/compute_cmvn.sh
new file mode 100755
index 0000000..7663df9
--- /dev/null
+++ b/egs/aishell2/transformer/utils/compute_cmvn.sh
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+. ./path.sh || exit 1;
+# Begin configuration section.
+nj=32
+cmd=./utils/run.pl
+feats_dim=80
+
+echo "$0 $@"
+
+. utils/parse_options.sh || exit 1;
+
+fbankdir=$1
+
+split_dir=${fbankdir}/cmvn/split_${nj};
+mkdir -p $split_dir
+split_scps=""
+for n in $(seq $nj); do
+ split_scps="$split_scps $split_dir/wav.$n.scp"
+done
+utils/split_scp.pl ${fbankdir}/wav.scp $split_scps || exit 1;
+
+logdir=${fbankdir}/cmvn/log
+$cmd JOB=1:$nj $logdir/cmvn.JOB.log \
+ python utils/compute_cmvn.py \
+ --dim ${feats_dim} \
+ --wav_path $split_dir \
+ --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/cmvn.mvn
+
+echo "$0: Succeeded compute global cmvn"
--
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