public String getSurroundExMode() {
        return this.surroundExMode;
    }
When encoding 3/2 audio, sets whether an extra center back surround channel is matrix encoded into the left and
right surround channels.

@return When encoding 3/2 audio, sets whether an extra center back surround channel is matrix encoded into the
        left and right surround channels.
@see Eac3SurroundExMode
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/Eac3Settings.java