public Builder clearSpeechEventOffset() {
      bitField0_ = (bitField0_ & ~0x00000004);
      speechEventOffset_ = null;
      if (speechEventOffsetBuilder_ != null) {
        speechEventOffsetBuilder_.dispose();
        speechEventOffsetBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Time offset between the beginning of the audio and event emission.
</pre>

<code>.google.protobuf.Duration speech_event_offset = 7;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/StreamingRecognizeResponse.java