Google云Diarization Words []为空白

Question

替代词具有空白值。 Api不会返回识别的单词，但令人惊讶的是它可以正确地返回转录。

我尝试使用不同版本的beta，例如beta01，beta02，beta03等。 我在同一个网站上发现了这个问题，但没有人回答。 Google Cloud Speech to Text API - Speaker Diarization

            // Print responses as they arrive.
            Task printResponses = Task.Run(async () =>
            {
            while (await streamingCall.ResponseStream.MoveNext(
            default(CancellationToken)))
            {
            foreach (var result in streamingCall.ResponseStream
            .Current.Results)
            {

            int tag = 1;
            string speaker = "";


            foreach (var alternative in result.Alternatives)
            {


            foreach (var word_info in alternative.Words) {
            if (word_info.SpeakerTag == tag) {
            speaker = speaker + " " + word_info.Word;

            // Console.WriteLine("Speaker: " + alternative.Transcript);
            }
            else
            {
            Console.WriteLine("Speaker {} : {}", tag, speaker);
            tag = word_info.SpeakerTag;
            speaker = "" + word_info.Word;
            }

            }
            //Console.WriteLine(alternative.Transcript);
            }
            }
            }
            }
            });