config ENABLE_DUAL_TRACKING
    bool "Enable dual-tracking"
    default n
    select RT_USING_AUDIO_SERVER
    select AUDIO_ENABLE_RECORDER
    help
        Enable dual-tracking, requires two sound cards that can record simultaneously

    if ENABLE_DUAL_TRACKING
        config ENABLE_DUAL_TRACKING_TEST
            bool "Enable dual-tracking test"
            default n
            help
                A dual-tracking demo
    endif