38English Using Dolby Home Theater forsurround/multi-channel soundYour Acer notebook comes with the Dolby® Home Theater audio enhancementfeaturing Dolby® PRO LOGIC II, Dolby® Digital Live, Dolby® Headphone, Dolby®Virtual Speaker technologies to give you high-quality digital surround sound forenjoying movies, games and music in a realistic, multi-channel audioenvironment.Dolby Pro Logic IIDolby Pro Logic II transforms any stereo signal into five-channel, full-rangesurround sound.Dolby Digital LiveFound in PC and console-based video game applications, Dolby Digital Liveconverts any stereo or multichannel audio signal to a Dolby Digital format for adramatic, real-time audio experience and simple (one plug) connection to an A/V receiver for playback.Dolby HeadphoneDolby Headphone offers realistic surround sound from any pair of headphones.It’s perfect for late night listening.Dolby Virtual SpeakerSurround yourself with sound, not speakers. Dolby Virtual Speaker delivers a5.1-channel surround sound listening experience from just two speakers.Set playback as digital outputNote: All of the following content is for general reference only.Actual product specifications may vary.