[英]How to read audio file from google cloud storage bucket and play with ipd in a datalab notebook
我想在datalab笔记本中播放声音文件,我从谷歌云存储桶中读取。 这个怎么做?
import numpy as np
import IPython.display as ipd
import librosa
import soundfile as sf
import io
from google.cloud import storage
BUCKET = 'some-bucket'
# Create a Cloud Storage client.
gcs = storage.Client()
# Get the bucket that the file will be uploaded to.
bucket = gcs.get_bucket(BUCKET)
# specify a filename
file_name = 'some_dir/some_audio.wav'
# read a blob
blob = bucket.blob(file_name)
file_as_string = blob.download_as_string()
# convert the string to bytes and then finally to audio samples as floats
# and the audio sample rate
data, sample_rate = sf.read(io.BytesIO(file_as_string))
left_channel = data[:,0] # I assume the left channel is column zero
# enable play button in datalab notebook
ipd.Audio(left_channel, rate=sample_rate)
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