Windows 10: Latest Realtek HD Audio Driver Version

  1.    17 Feb 2018 #1921

    I hope this is this right place to ask for help, if not please point me to the right direction.

    I have had the same setup since Windows 7: Asus P8Z77-V LX Realtek spdif optical from MB to AV Receiver to 5.1 speakers and everything has been fine for years. The latest Win10 update for some reason only sends audio to Front-Right + Side-Left despite AV Receiver indicating Dolby signal (so the result is audio stage severely shifted to the right). I found this thread and updated to the latest driver 8366. I now get sounds from all channels but feel that the audio stage is still to the right (certain sounds/instruments seem to only come from right). I don't think it's my AV Receiver as stereo is still perfectly centered and sounds bypassing AV Receiver (GPU HDMI audio directly to TV) also seems shifted to the right but harder to tell as the speakers are much closer on the TV. I also don't notice a shift when testing speakers using the AV Reciever's test tones. The Center speaker seems fine as well.

    I've tried all tricks I can find on Web including dozens of different driver versions (the latest 8366 seems to have the least shift), disabled sound effects in Windows and played around with sample rates. Window's audio balance doesn't do anything and speaker configuration is greyed out for Optical Out. I cannot use HDMI audio for the AV Receiver because it predates HDMI 1.2.

    Anyone else had/have this problem or am I just paranoid? After weeks of going crazy I think it's something Microsoft did with Dolby codec that Realtek is struggling to correct, but why and how?
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  2.    17 Feb 2018 #1922

    Re: the post above. After reading through the posts here I am certain I am not paranoid regarding Win10 v1703 and Dolby 5.1.

    With Dolby 5.1 (Netflix) passing through optical spdif to AV Receiver most sound stages are off center to the right. I isolated just voices coming from the Center Speaker and it is also off center to the right when the speaker is at the left side of the screen. However, with Stereo sources the sound image is perfectly centered whether in stereo or using AV Receiver's own 5.1 recoding.

    This is is 8366 driver and many other versions I've tried (but not all obviously), some are worse. So again, does anyone know why or any version of earlier drivers that is without this problem?

    Thanks
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  3.    17 Feb 2018 #1923

    dhm3 said: View Post
    Re: the post above. After reading through the posts here I am certain I am not paranoid regarding Win10 v1703 and Dolby 5.1.

    With Dolby 5.1 (Netflix) passing through optical spdif to AV Receiver most sound stages are off center to the right. I isolated just voices coming from the Center Speaker and it is also off center to the right when the speaker is at the left side of the screen. However, with Stereo sources the sound image is perfectly centered whether in stereo or using AV Receiver's own 5.1 recoding.

    This is is 8366 driver and many other versions I've tried (but not all obviously), some are worse. So again, does anyone know why or any version of earlier drivers that is without this problem?

    Thanks

    oh wow, I thought it was only me, yes the sound is off center to the right
      My ComputerSystem Spec

  4.    17 Feb 2018 #1924

    Christoph34 said: View Post
    oh wow, I thought it was only me, yes the sound is off center to the right
    Now I know I am not paranoid or going deaf on my left ear, most background music in Dolby 5.1 soundtracks only shows up on the right side but sound effects like bullets etc are passing through the right channels. Do you get this as well? Some drivers seem to be worse but none I've tried is better than 8366, which is still not acceptable.

    Maybe something screwy with the Win10 Update changes how Dolby 5.1 is going through optical? I've had the Marantz receiver for 9 years and never had this problem over upgrades from Win7/Win8/Win10 until now.
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  5.    17 Feb 2018 #1925

    Seems to me 8366 is one of the best so far............??
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  6.    17 Feb 2018 #1926

    pietcorus2 said: View Post
    Seems to me 8366 is one of the best so far............??
    Agreed.
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  7.    17 Feb 2018 #1927

    dhm3 said: View Post
    Now I know I am not paranoid or going deaf on my left ear, most background music in Dolby 5.1 soundtracks only shows up on the right side but sound effects like bullets etc are passing through the right channels. Do you get this as well? Some drivers seem to be worse but none I've tried is better than 8366, which is still not acceptable.

    Maybe something screwy with the Win10 Update changes how Dolby 5.1 is going through optical? I've had the Marantz receiver for 9 years and never had this problem over upgrades from Win7/Win8/Win10 until now.
    yeah, exact same thing

    I know it has to do with Dolby 5.1, I think the flipped the sound, instead of having left and right, we got now front and rear, I mean the right side is the front and the left is the rear
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  •    17 Feb 2018 #1928

    Christoph34 said: View Post
    yeah, exact same thing I know it has to do with Dolby 5.1, I think the flipped the sound, instead of having left and right, we got now front and rear, I mean the right side is the front and the left is the rear
    Is this a problem of Realtek driver or Win10 v1709 update? I have been googling with all kinds of search terms but found no solution. It seems should be an easy problem to spot and fix at the source if it's just mixing up the wrong channels.
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  •    18 Feb 2018 #1929

    dhm3 said: View Post
    Is this a problem of Realtek driver or Win10 v1709 update? I have been googling with all kinds of search terms but found no solution. It seems should be an easy problem to spot and fix at the source if it's just mixing up the wrong channels.

    I think is windows 10, cause I didn't have this problem with windows 7, and it should be easy to spot this problem, but I guess not all the programmers use 5.1

    really don't know, maybe they know about the problem and they are trying to fix it, otherwise they would not be releasing so many updates of which I only seen 1 I think that is whdl (or whats the abbreviation for the digital sign?)
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  •    19 Feb 2018 #1930

    Christoph34 said: View Post
    I think is windows 10, cause I didn't have this problem with windows 7, and it should be easy to spot this problem, but I guess not all the programmers use 5.1
    That makes sense. I downgraded Netflix audio output from 5.1 to 2.0 for less tilt to the right and in some shows the audio volume collapsed. So data pack is definitely screwed up with the left stream, at least in some cases. I couldn't find much help with 5.1 on web searches but did see some complaints of audio volume dropping since the FCU so hopefully even those programmers in their 2.0 headphones have noticed a problem.
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