cyberlink powerdvd 18 produces periodic static through my center speaker

For more information, see TrueTheater Surround.

TrueTheater Surround* (CyberLink Multi-channel Environment Impression technology 2): is an audio channel expansion technology developed by CyberLink that converts a stereo audio sound and outputs to multiple channels (converts a 2 channel source to 4, 6, 7, or 8 speakers or a 6 channel source to 7 or 8 speakers).

For more information, see TrueTheater Surround (Virtual Speaker Mode) – Optional.

TrueTheater Surround* (CyberLink Virtual Speaker): is a virtual surround technology developed by CyberLink.

For more information, see Dolby Virtual Speaker.

The Dolby Virtual Speaker* option allows you to experience virtual surround sound through 2 speakers.

For more information, see TrueTheater Surround (Headphone Mode) – Optional.

The Advanced options simulate the very different experiences of listening to sound in a living room, a small theater or a large stadium.

The TrueTheater Surround* (CyberLink Headphone) option uses technology developed by CyberLink to improve the quality of audio output from a notebook over headphones.

For more information, see Dolby Headphone.

Dolby Headphone* is a post-processing effect designed to create a virtual surround sound experience particularly for a headphone environment, but is suitable also for both notebook and desktop environments.

Otherwise, both are relatively similar in 2-channel output.

The major difference between Dolby Surround* Compatible Downmix and Stereo is that Dolby Surround uses the Dolby Surround downmixing algorithm and the possibility exists of connecting an analogue Pro Logic decoder to the sound card so as to enable 4-ch surround sound (left, right, center, surround) for Dolby Surround.

Note: when the S/PDIF audio output is enabled and the output stream is not PCM, the volume control for CyberLink PowerDVD is disabled because your decoder assumes the task. To enjoy true 6 speaker output quality, you must have an external Dolby Digital or DTS decoder along with a S/PDIF-compliant sound card to make this selection available.

The Use S/PDIF option is an advanced technological Digital Inter Face, as opposed to transferring signals via conventional analog interfaces, designed by the Sony and Philips corporations.

The 7 Speaker and 8 Speaker options are available for users who have multiple speakers and wish to output audio to each of them.

5.1 channels) is for computers equipped with sound cards that support 6-ch output and is optimal for DVD Video titles that feature multichannels encoding such as Dolby Digital 5.1 or DTS 5.1.

The 4 Speaker selection is for computers equipped with sound cards that support 4-ch output.

2 Speaker is the selection for most users playing discs on their desktop/laptop who only have 2 speakers or a sound card that only outputs two channels.

Headphone is mainly for notebook users who listen to their audio output on headphones.

Cyberlink powerdvd 18 produces periodic static through my center speaker