in amazon_transcribe/client.py [0:0]
def _create_audio_stream(self, signed_request):
initial_signature = self._extract_signature(signed_request)
return AudioStream(
input_stream=signed_request.body,
event_serializer=AudioEventSerializer(),
eventstream_serializer=EventStreamMessageSerializer(),
event_signer=self._event_signer,
initial_signature=initial_signature,
credential_resolver=self._credential_resolver,
)