You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
#! /usr/bin/bash
|
|
|
|
|
|
|
|
pushd ../..
|
|
|
|
|
|
|
|
# download data, generate manifests
|
|
|
|
python data/librispeech/librispeech.py \
|
|
|
|
--manifest_prefix='data/librispeech/manifest' \
|
|
|
|
--full_download='True' \
|
|
|
|
--target_dir='~/.cache/paddle/dataset/speech/Libri'
|
|
|
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
echo "Prepare LibriSpeech failed. Terminated."
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
|
|
|
cat data/librispeech/manifest.train* | shuf > data/librispeech/manifest.train
|
|
|
|
|
|
|
|
|
|
|
|
# build vocabulary (for English data, we can just skip this)
|
|
|
|
# python tools/build_vocab.py \
|
|
|
|
# --count_threshold=0 \
|
|
|
|
# --vocab_path='data/librispeech/eng_vocab.txt' \
|
|
|
|
# --manifest_paths='data/librispeech/manifeset.train'
|
|
|
|
|
|
|
|
|
|
|
|
# compute mean and stddev for normalizer
|
|
|
|
python tools/compute_mean_std.py \
|
|
|
|
--manifest_path='data/librispeech/manifest.train' \
|
|
|
|
--num_samples=2000 \
|
|
|
|
--specgram_type='linear' \
|
|
|
|
--output_path='data/librispeech/mean_std.npz'
|
|
|
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
echo "Compute mean and stddev failed. Terminated."
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
echo "LibriSpeech Data preparation done."
|