2. Audio menuDescriptionOSD MenuSound Mode: Select your desired picture mode as follow: Standard, Music, Theater and Custom.Bass: Adjust the bass (low frequency audio).Treble: Adjust the treble (high frequency audio).Balance: Left and right stereo audio channels balance.Surround: Activate or deactivate the surround sound function.SPDIF Type: Select S/PDIF type: PCM or RAW.Audio Language: Select the audio language.Sound ModeBassTrebleBalanceSurroundSPDIF TypeAudio LanguageFlatEnglish505050OffPCM16