Amazon Transcribe – 大规模实现准确的语音转文本

from __future__ import print_functionimport timeimport boto3transcribe = boto3.client('transcribe')job_name = "RandallTest1"job_uri = "https://s3-us-west-2.amazonaws.com/randhunt-transcribe-demos/test.flac"transcribe.start_transcription_job(    TranscriptionJobName=job_name,    Media={'MediaFileUri': job_uri},    MediaFormat='flac',    LanguageCode='en-US',    MediaSampleRateHertz=44100)while True:    status = transcribe.get_transcription_job(TranscriptionJobName=job_name)    if status['TranscriptionJob']['TranscriptionJobStatus'] in ['COMPLETED', 'FAILED']:        break  print("Not ready yet...")    time.sleep(5)print(status)

{  "jobName": "RandallTest1",  "results": {    "transcripts": [{"transcript": "Hello World", "confidence": 1}],    "items": [      {        "start_time": "0.880", "end_time": "1.300",        "alternatives": [{"confidence": 0.91, "word": "Hello"}]      },      {        "start_time": "1.400", "end_time": "1.620",        "alternatives": [{"confidence": 0.84, "word": "World"}]      }    ]  },  "status": "COMPLETED"}