RivaAudioEncoding()Return the audio encoding specified by the format code in the wave file.
ref: https://mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
An enum of the possible choices for Riva audio encoding.
The list of types exposed by the Riva GRPC Protobuf files can be found with the following commands:
import riva.client
print(riva.client.AudioEncoding.keys()) # noqa: T201