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我正在使用 Google Cloud Speech API,如此处所示的Go API。
当我运行示例 ( ./caption audio.raw) 时,我得到了正确的语音识别: "transcript:"how old is the Brooklyn Bridge".
./caption audio.raw
"transcript:"how old is the Brooklyn Bridge"
但是实例中的Confidence属性SpeechRecognitionAlternative是 0.000000(空)。这是语音 API 的错误吗?我正在使用此处示例中提供的音频文件。
Confidence
SpeechRecognitionAlternative