split by silence

split.js

"ffmpeg -i "videoplayback.mp4" -af silencedetect=noise=-30dB:d=0.5 -f null - 2> vol.txt"


const si = [
  ["1.0466"  , "254.221"],
  ["256.942" , "470.262"],
  ["472.004" , "806.045"],
  ["808.412" , "1096.53"],
  ["1098.64" , "1322.09"],
  ["1327.67" , "1641.81"],
  ["1651.02" , "2027.56"],
  ["2032.45" , "2324.58"],
  ["2329.37" , "2564.9"]
]

const tl = [
  "01. カクメイ",
  "02. ハクジツ",
  "03. マツユキ",
  "04. ソレカラ",
  "05. アカガネ",
  "06. トコヤミ",
  "07. ハニカ夢",
  "08. シラトリ",
  "09. ヒイラギ"
]
const gen_command = (input, output, silence_start, silence_end) => `ffmpeg -y -ss ${silence_start} -t ${silence_end} -i ${input} ${output};`;



si.forEach(([a, b], i) => {
  console.log(gen_command('~/Downloads/videoplayback.mp4', `"${tl[i]}.mp3"`, a, b-a))
})