The new encodings OGG_OPUS and SPEEX_WITH_HEADER_BYTE are missing. [https://github.com/GoogleCloudPlatform/google-cloud-python/blob/master/speech/google/cloud/speech/encoding.py][1] [1]: https://github.com/GoogleCloudPlatform/google-cloud-python/blob/46e417e838001f4d1eb13f5e3fc2a54d390dd5db/speech/google/cloud/speech/encoding.py