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Thread: Sound out of sync

  1. #1
    Join Date: Apr 2015

    Location: Meriden, UK

    Posts: 199
    I'm Phil.

    Default Sound out of sync

    Breaking in a new Sony 4k blu ray player. Running this into a Samsung 4k TV.

    I have an issue with sound being out of sync when sending the sound to my amp via co-axial, in that the sound is marginally (and annoyingly) in front of the visuals.

    No problem with sending via the optical cable that runs between the TV and the amp, but I've always preferred the quality of a co-axial.

    The TV does have an option to offset the sound, but this hasn't helped.

    Any ideas? Do I need to upgrade the optical cable to get closer to the quality of the city-axial, maybe?

    The blu ray player does have dedicated HDMI output for sound, bug my amp doesn't have an HDMI input. I assume I could upgrade to a new amp which I'd thusly equipped, but that seems like using a sledgehammer to crack a peanut.

    Any suggestions welcomed.

  2. #2
    Join Date: Sep 2017

    Location: Northampton

    Posts: 177
    I'm Chris.

    Default

    When you say coax do you mean the coax digital output of the blueray player? So, sound goes to your amp from Blueray and picture goes to TV via HDMI?

    Or am I completely off track here?

  3. #3
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 6,690
    I'm Mark.

    Default

    No cable can solve this - it is an inherent delay issue with the D2A conversion in your amp.

    100% Analogue

  4. #4
    Join Date: Oct 2017

    Location: Fenland

    Posts: 125
    I'm Bob.

    Default

    You don't mention what way round you have cabled (EDIT: Sorry you do and it's the same as mine).

    I use and Xbox One X as my 4k Blu-Ray (And everything else), I take my HDMI from the Xbox to my TV and then an optical cable back from the TV to the receiver .

    If I take the optical from the Xbox to the receiver then I get the out of sync sound.

    It doesn't make any difference to the sound quality what way I go, just the sync.

    I haven't tried using the HDMI throughput facility of my receiver or using HDMI ARC as my HDMI cables are all packed ready for moving.

  5. #5
    Join Date: Sep 2017

    Location: Northampton

    Posts: 177
    I'm Chris.

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    Quote Originally Posted by YNWaN View Post
    No cable can solve this - it is an inherent delay issue with the D2A conversion in your amp.
    But the sound is in front of visuals. Not a delay. Gotta be how the Blu ray handles it. Firmware update?

  6. #6
    Join Date: Oct 2017

    Location: Fenland

    Posts: 125
    I'm Bob.

    Default

    Quote Originally Posted by Lerxst View Post
    But the sound is in front of visuals. Not a delay. Gotta be how the Blu ray handles it. Firmware update?
    That is the way around I get it as well if I feed the audio to the amp from the Xbox, it's the TV's internals that cause the sync issue so it's best to feed the sound back to the amp from the TV.

  7. #7
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 65,859
    I'm Grant.

    Default

    Yup your all right tbh. creative wiring can solve it
    Regards,
    Grant .... ؠ

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  8. #8
    Join Date: Sep 2017

    Location: Northampton

    Posts: 177
    I'm Chris.

    Default

    Quote Originally Posted by Phil Lawton View Post

    No problem with sending via the optical cable that runs between the TV and the amp, but I've always preferred the quality of a co-axial.
    I think there is either a delay from the blu ray on audio or a delay on video on the TV as Bob suggested. Looks like you are stuck with your least-preferred option for now.
    Last edited by Lerxst; 29-12-2017 at 22:56.

  9. #9
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 4,860
    I'm Dan.

    Default

    Just been having out of sync with my Sky Q box in the last day or 2 any one else had it...really annoying
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  10. #10
    Join Date: Jun 2011

    Location: Skien, Norway

    Posts: 922
    I'm Jostein.

    Default

    There might be some useful input in this article:

    https://www.cnet.com/news/lip-sync-e...ses-solutions/
    My hifi system:

    Turntable: Technics SL-1200 MKII, Ortofon 2M Bronze cartridge, Mike New bearing, MCRU PSU (c), Oyaide HS-CF headshell, Oyaide MJ-12 TT mat, Vantage Audio Copper mat, Isonoe Isolation Feet, Isodek IF-2 isolation platform, Furutech Monza LP stabilizer, Herbie's Hal-O JR damper Phono Stage: Hagerman Cornet 3 (prototype) Amplifiers: EAR 868L Preamp, Transcription Audio 211 Heaven Power amp, Bob Carver Cherry 180 power amp CD Player: Ear Yoshino Acute Tuner: Magnum Dynalab 90T Speakers: Vandersteen 2CE SigII, Townshend Audio Super Tweeters, Transcription Audio Speakers Cables and stuff: LFD Audio interconnects and speaker cables, Mark Grant G2000HD, BlackCat Electronics, Van Den Hul Clearwater, Black Rhodium mains cables, Black Rhodium mains block, Finite Elements Resonator, Townhsend Stella Speaker stands, Pro Audio Bono hifi rack, Herbie's spike gliders, Herbie's Ultravox and Hal-O tube dampers, Super Black Hole CD mat Record Cleaning Machine: Loricraft PRC4

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