From 12dd848db2cfd0e2ae6f32cfb1a5aecdf0f77365 Mon Sep 17 00:00:00 2001
From: 嘉渊 <wangjiaming.wjm@alibaba-inc.com>
Date: 星期二, 16 五月 2023 11:16:31 +0800
Subject: [PATCH] update repo
---
egs/aishell2/transformer/utils/apply_lfr_and_cmvn.sh | 38 ++++++++++++++++++++++++++++++++++++++
1 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/egs/aishell2/transformer/utils/apply_lfr_and_cmvn.sh b/egs/aishell2/transformer/utils/apply_lfr_and_cmvn.sh
new file mode 100755
index 0000000..3119fdb
--- /dev/null
+++ b/egs/aishell2/transformer/utils/apply_lfr_and_cmvn.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+
+# Begin configuration section.
+nj=32
+cmd=utils/run.pl
+
+# feature configuration
+lfr=True
+lfr_m=7
+lfr_n=6
+
+echo "$0 $@"
+
+. utils/parse_options.sh || exit 1;
+
+fbankdir=$1
+cmvn_file=$2
+logdir=$3
+output_dir=$4
+
+dump_dir=${output_dir}/ark; mkdir -p ${dump_dir}
+mkdir -p ${logdir}
+
+$cmd JOB=1:$nj $logdir/apply_lfr_and_cmvn.JOB.log \
+ python utils/apply_lfr_and_cmvn.py -a $fbankdir/ark/feats.JOB.ark \
+ -f $lfr -m $lfr_m -n $lfr_n -c $cmvn_file -i JOB -o ${dump_dir} \
+ || exit 1;
+
+for n in $(seq $nj); do
+ cat ${dump_dir}/feats.$n.scp || exit 1
+done > ${output_dir}/feats.scp || exit 1
+
+for n in $(seq $nj); do
+ cat ${dump_dir}/len.$n || exit 1
+done > ${output_dir}/speech_shape || exit 1
+
+echo "$0: Succeeded apply low frame rate and cmvn"
--
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