How come some of my DVD-Videos play back as 2-channel audio, even though the packaging says there is a Dolby Digital 5.1 soundtrack?
Many DVD-Videos that come with a Dolby Digital 5.1 soundtrack automatically play back with the Dolby Digital 5.1 soundtrack as the default soundtrack selected. But not all discs default to the Dolby Digital 5.1 soundtrack. Some will default to Dolby Digital 2.0 (2-channel stereo). If some of your DVDs playback as Dolby Digital 2.0 or 2-channel, and the package says that a Dolby Digital 5.1 soundtrack is included, then you’ll have to select the Dolby Digital 5.1 soundtrack manually using the DVD-Video disc’s menu. Push the “DVD Menu” button on your remote control to access the DVD title’s menu. Select “Audio”, “Audio Options”, “Setup”, or “Language Options”. Then select the Dolby Digital 5.1 soundtrack option. Your DVD player should now playback in 5.1-channel mode, and your home theater receiver should recognize the bitstream (digital signal) coming from your DVD player as 5.1-channel. Note, for these DVDs that default to the 2-channel soundtrack, you’ll have to manually select Dolby D
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