Audio issue, Dolby Digital vs Stereo from smart TV

Discussion in 'TiVo Roamio DVRs' started by DeltaOne, Dec 12, 2019.

  1. DeltaOne

    DeltaOne Mount Airy, MD

    Sep 29, 2013
    I'm trying to help a friend with a weird audio issue.

    Initially he had his sources (TiVo and Apple TV) going to his AVR. Then one HDMI cable to his TV. Everything was fine until the TV died. So the new TV, a Samsung "smart" TV, has all the usual apps. When he ran an app (Netflix, Apple TV, Disney+) on the TV there was either no sound or he had to enable the TV's built-in speakers.

    So he ran the source (only a TiVo now) directly to the TV. And ran a toslink audio cable from the TV to the AVR. The problem is that sometimes the AVR is indicating Dolby Digital, sometimes it is indicating Stereo. He says the Apple TV and Netflix app indicate Dolby Digital, the TiVo and Disney+ app indicate Stereo.

    The TiVo is set to Dolby Digital. But he can hear the PCM "bongs" when using the TiVo. And he's checked the settings in Disney+ and doesn't see anything related to audio. I believe he's also checked the TV's audio settings.

    Any idea why some of the TV's apps trigger Dolby Digital on the AVR and some trigger Stereo?
  2. kpeters59

    kpeters59 Well-Known Member

    Jun 19, 2007
    Houston, Texas
    The most proper way to hook all that up would be to use the ARC (Audio Return Channel) port from the TV to the Yamaha ARC to get the TV Audio and still have the TiVo connected how it was.

  3. DeltaOne

    DeltaOne Mount Airy, MD

    Sep 29, 2013
    I'm pretty sure he is using ARC. I'll double check.

    And I asked him to check that the TV's firmware is up to date. The google found some posts about a firmware update fixing audio problems on Samsung TVs.
  4. DeltaOne

    DeltaOne Mount Airy, MD

    Sep 29, 2013
    To wrap this up, the fix was a simple setting in the TV's audio section. The friend had overlooked this when doing his own trouble-shooting.
    kpeters59 likes this.
  5. mattyro7878

    mattyro7878 Well-Known Member

    Nov 27, 2014
    I have a newer Samsung TV and learning those settings is a must. Especially HDR and the options in audio regarding pcm or bitstream.

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