Acer Extensa 7420 User Guide - Page 25
Audio, Video
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English 5 Audio The computer also comes with 32-bit High Definition (HD) Audio, and stereo speakers. Acer PureZone (only for certain models) The system provides you whole new enthusiastic audio experience including Acer PureZone with built-in stereo microphones featuring beam forming and echo cancellation technologies. Acer PureZone technology supports Acoustic Echo Cancellation, Beam Forming and Noise Suppression for pure sound recording. To set up your microphone, run the Acer HD Audio Manager by double-clicking the Acer HD Audio Manager icon in the system tray of your Windows system. The Acer HD Audio Manager dialog box will pop up. Click the Microphone tab, and then click the Microphone Effects tab. Select Beam Forming and Acoustic Echo Canellation to set the microphone effect. Note: Disable the beam forming to get the multi-sound source input. Video 16:9 display (only for certain models) 16:9 display delivers Full HD movies at home like never before. Sky-high color saturation guarantees an authentic HD viewing experience.16:9 quality means true home theater visuals have finally arrived for notebook entertainment enthusiasts.