@java.lang.Override
  public com.google.protobuf.ByteString getRecordingDeviceNameBytes() {
    java.lang.Object ref = recordingDeviceName_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      recordingDeviceName_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The device used to make the recording.  Examples 'Nexus 5X' or
'Polycom SoundStation IP 6000' or 'POTS' or 'VoIP' or
'Cardioid Microphone'.
</pre>

<code>string recording_device_name = 7;</code>

@return The bytes for recordingDeviceName.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/RecognitionMetadata.java