pytorch 1.2.0, pillow version - 컴퓨터

if you see "ImportError: cannot import name 'PILLOW_VERSION'" during running PyTorch 1.2.0 scripts then downgrade pillow to 6.2.1.

ref: https://github.com/python-pillow/Pillow/issues/4130

표현 - 영어공부

from https://www.youtube.com/watch?v=2Kawrd5szHE
"Videos of this quality on this subject are a rare occurrence . Great job!"

naive but intuitive(kaldi): saving cmvn(fbank+deltadelta) to npy - 컴퓨터

#!/bin/bash
#0. prep using kaldi script
#spk2utt, utt2spk
#wav.scp

#1. fbank for all utterance + utt2spk
compute-fbank-feats --num-mel-bins=80 --sample-frequency=16000 --use-log-fbank=True scp:wav.scp ark:- | add-deltas ark:- ark,scp:feats.ark,feats.scp

#2. cmvn using fbank feats and utt2spk
compute-cmvn-stats --spk2utt=ark:spk2utt scp:feats.scp ark,scp:cmvn.ark,cmvn.scp
apply-cmvn --utt2spk=ark:utt2spk scp:cmvn.scp scp:feats.scp ark,scp:normed_feats.ark,normed_feat.scp

#3. save cmvn applied fbanks to npy
copy-feats scp:normed_feat.scp ark,t:normed_feats.txt
python3 parsing.py normed_feats.txt


parsing.py

import os
import sys
import numpy as np
feat_path = open(sys.argv[1])
status = 0
utt_id = ""
feats = ""

idx = 0
for line in feat_path:
  if status == 0 and "[" in line:
    idx += 1
    print(idx)
    utt_id = line.strip().split()[0]
    status = 1
  elif status == 1:
    feats += line.replace("]","").strip() + "
"
    if "]" in line:
      with open(utt_id + ".npy.txt","w") as npy_file:
        npy_file.write(feats.strip())
      np.save(utt_id + ".npy", np.loadtxt(utt_id + ".npy.txt"))
      os.remove(utt_id + ".npy.txt")
      status = 0
      feats = ""
      utt_id = ""

feat_path.close()