Вот код для записи и сохранения файла в Colab.
from IPython.display import Javascript
from google.colab import output
from base64 import b64decode
RECORD = """
const sleep = time => new Promise(resolve => setTimeout(resolve, time))
const b2text = blob => new Promise(resolve => {
const reader = new FileReader()
reader.onloadend = e => resolve(e.srcElement.result)
reader.readAsDataURL(blob)
})
var record = time => new Promise(async resolve => {
stream = await navigator.mediaDevices.getUserMedia({ audio: true })
recorder = new MediaRecorder(stream)
chunks = []
recorder.ondataavailable = e => chunks.push(e.data)
recorder.start()
await sleep(time)
recorder.onstop = async ()=>{
blob = new Blob(chunks)
text = await b2text(blob)
resolve(text)
}
recorder.stop()
})
"""
def record(sec=3):
display(Javascript(RECORD))
s = output.eval_js('record(%d)' % (sec*1000))
b = b64decode(s.split(',')[1])
with open('audio.wav','wb') as f:
f.write(b)
return 'audio.wav'