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Manage Audio Mode in the X1 Guide - Xfinity Support

    https://www.xfinity.com/support/articles/x1-audio-output
    Choose Audio Mode To access Device Settings: Press the xfinity button on your remote. Highlight Settings (the gear icon) and press OK on your remote. Highlight Device Settings and press OK on your remote. Use the down arrow on your remote to highlight Audio and press OK. HDMI Audio Output (Stereo or Auto Detect)

Audio out settings on comcast box - Tom's Guide Forum

    https://forums.tomsguide.com/threads/audio-out-settings-on-comcast-box.215414/
    Nov 12, 2010. #2. L-PCM tends to be the preferred setting, as HDMI-connected tv's can freak out using Comcast's AC3 signal. There has to be a key on the remote to switch the soundbar to optical. Also, and this is more comon than you think, make sure the dust cap plugs have been pulled off both ends of your optical cable.

Xfinity TV Audio Issue Troubleshooting - Xfinity Support

    https://www.xfinity.com/support/articles/troubleshooting-audio-issues-with-xfinity-tv
    Access the TV Adapter's or TV Box's main menu. Select Setup. Select Audio Setup. For the Set volume to optimal stereo option, select Yes to automatically adjust the volume to the optimal level for stereo output. Note: If you select No, your current volume settings will be retained. It may be necessary to repeat this procedure several times.

Manage Audio Mode in the X1 Guide – Xfinity

    https://www.xfinity.com/support/articles/x1-audio-output?view=app
    Press the xfinitybutton on your remote. Highlight Settings(the gear icon) and press OKon your remote. Highlight Device Settingsand press OKon your remote. Use the down arrowon your remote to highlight Audioand press OK. HDMI Audio Output (Stereo or Auto Detect) Use the down arrowon your remote to choose HDMI Audio Outputand press OK.

Audio settings for a Comcast box | Home Theater Forum

    https://www.hometheaterforum.com/community/threads/audio-settings-for-a-comcast-box.234763/
    For the audio output, use the basic “Stereo” setting. This will give you surround sound when programming has been mixed and mastered for that. The “Matrix” setting is probably the same as a “Stereo Expand” mode, that makes the soundstage seem wider.

Using Dolby ATMOS with Xfinity X1 - Xfinity Help & Support

    https://www.xfinity.com/support/articles/dolby-atmos-x1
    Once you have connected your Dolby ATMOS compatible stereo system to your X1 TV Box via an HDMI cable, visit Settings > Device Settings > Audio > HDMI Audio Output and select Expert Mode. Note: Pace XG1v1 model TV Boxes do not support surround sound at this time.

My audio & video do not sync properly | Xfinity Community ...

    https://forums.xfinity.com/conversations/x1/my-audio-video-do-not-sync-properly/610c22736e891e630f6960b5
    For TV Boxes: Go to the Main Menu. Select Setup. Select Audio Setup. Set the Default Audio Track to the desired language. Lastly, make sure the HDMI cable is plugged into both the new TV and cable box tightly. Also check for damage to the cable or kinks. I have found that a bad HDMI cable is usually the cause for audio issues.

Tips on setting up the Xfinity X1 cable box - CNET

    https://www.cnet.com/tech/home-entertainment/tips-on-setting-up-the-xfinity-x1-cable-box/
    Tips on setting up the Xfinity X1 cable box. If you are getting up and running with Comcast's latest Xfinity X1 cable box, there are some settings to …

Audio keeps changing on Comcast Box ... - SatelliteGuys.US

    https://www.satelliteguys.us/xen/threads/audio-keeps-changing-on-comcast-box-help.369784/
    The audio settings on my grandma's Comcast cable box keeps changing randomly. Every couple weeks it has been changing from English with descriptive video off to Spanish with descriptive video on. Several channels change to Spanish or lose audio. This has been going on for the past couple months. It cannot be the box or the TV, both have been ...

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