public void setLtRtSurroundMixLevel(Double ltRtSurroundMixLevel) {
        this.ltRtSurroundMixLevel = ltRtSurroundMixLevel;
    }
Specify a value for the following Dolby Atmos setting: Left total/Right total surround mix (Lt/Rt surround).
MediaConvert uses this value for downmixing. Default value: -3 dB Valid values: -1.5, -3.0, -4.5, -6.0, and -60.
The value -60 mutes the channel. Related setting: How the service uses this value depends on the value that you
choose for Stereo downmix. Related setting: To have MediaConvert use this value, keep the default value, Custom
for the setting Downmix control. Otherwise, the service ignores Left total/Right total surround.

@param ltRtSurroundMixLevel
       Specify a value for the following Dolby Atmos setting: Left total/Right total surround mix (Lt/Rt
       surround). MediaConvert uses this value for downmixing. Default value: -3 dB Valid values: -1.5, -3.0,
       -4.5, -6.0, and -60. The value -60 mutes the channel. Related setting: How the service uses this value
       depends on the value that you choose for Stereo downmix. Related setting: To have MediaConvert use this
       value, keep the default value, Custom for the setting Downmix control. Otherwise, the service ignores Left
       total/Right total surround.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/Eac3AtmosSettings.java