- 122 -(Auto / MPEG)Selects the initial setting for audio tracks.MPEG:The priority is given to MPEG.● Dolby Digital Plus and Dolby Digital are the methods of coding digitalsignals developed by Dolby Laboratories. Apart from stereo (2ch) audio,these signals can be multi-channel audio.● HE-AAC is a perceptual coding method used to compress digital audio forefficient storage and transmission.● MPEG is an audio compression method that compresses audio to thesmaller size without any considerable loss of audio quality.● Dolby Digital Plus and HE-AAC are the technologies for HD (Highdefinition) programmes.● For DVB modeSPDIF Selection(Auto / PCM)Selects the initial setting for digital audio output signal from DIGITAL AUDIOand HDMI2 (ARC function) terminals.● SPDIF is a standard audio transfer file format.Auto:Dolby Digital Plus, Dolby Digital and HE-AAC multi-channel are outputas Dolby Digital Bitstream. MPEG is output as PCM. DTS is output asDTS for video contents of Media Player / Network services.PCM:Digital output signal is fixed to PCM.● ARC (Audio Return Channel) is a function of digital audio output usingHDMI cable.● For DVB mode or video contents of Media Player / Network servicesMedia Player Video mode Audio output settingsHome network Videos Audio output settingsSPDIF DelayAdjusts the delay time of the sound output from DIGITAL AUDIO and HDMI2(ARC function) terminals if the sound does not synchronise the image.● For DVB modeHDMI1 / 2 / 3 Input