public void setPresetSpeke20Audio(String presetSpeke20Audio) {
        this.presetSpeke20Audio = presetSpeke20Audio;
    }
A collection of audio encryption presets.

@param presetSpeke20Audio
       A collection of audio encryption presets.
@see PresetSpeke20Audio
aws-java-sdk-mediapackage/src/main/java/com/amazonaws/services/mediapackage/model/EncryptionContractConfiguration.java