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  1. #1
    Registered User dhv's Avatar
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    PCM passthrough SPDIF ? ( AC3 DTS)

    , ( ). . , Analog Devices AD1988B @ Intel 82801IB ICH9 - High Definition Audio Controller. . AC3 DTS passthrough, PCM , . (Foobar2000, Zoom Player AC3 filter ffdshow, WMP), , (volume ).
    ( - Foobar2000) . - PCM, .
    - : Zoom Palyer ffdshow , volume . wav. DTS . DTS , . 5-6 , .
    Windows 7 64bit
    PCM , FLAC. 50 .
    " , . ."
    "Ƹ , !"
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  2. #2
    Modderhead
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    Kernel Streaming Foobar.

  3. #3
    Registered User dhv's Avatar
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    . device list. Windows 7 :

    "This component was originally written for Windows 2000 and Windows XP. It is not guaranteed to cooperate with newer versions of Windows. Kernel Streaming is known to work on certain Windows Vista and Windows 7 configurations, but not with devices having WaveRT drivers such as High Definition Audio Devices integrated with newer motherboards - such devices simply won't be shown on foobar2000's output device list as available KS devices."
    " , . ."
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  4. #4
    Jodecidal hotline jodeci's Avatar
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    Quote Originally Posted by dhv View Post
    . device list. Windows 7 :

    "This component was originally written for Windows 2000 and Windows XP. It is not guaranteed to cooperate with newer versions of Windows. Kernel Streaming is known to work on certain Windows Vista and Windows 7 configurations, but not with devices having WaveRT drivers such as High Definition Audio Devices integrated with newer motherboards - such devices simply won't be shown on foobar2000's output device list as available KS devices."
    win 7 passthrough foobar . 64 HDMI dts wav- , . - 16 48000 khz.

    hd dts , PotPlayer , , wav-dts , WASAPI plugin.

    .
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  5. #5
    Registered User dhv's Avatar
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    DTS , DVD 48kHz, DTS Audio CD 44.1
    44.1 kHz wav 44.1 16 . WASAPI Foobar, . HDMI, SPDIF. Denon AVR-2106 HDMI. HD , , (bit-perfect). , .
    " , . ."
    "Ƹ , !"
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  6. #6
    The Game Atlant's Avatar
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    Quote Originally Posted by dhv View Post
    DTS , DVD 48kHz, DTS Audio CD 44.1
    44.1 kHz wav 44.1 16 . WASAPI Foobar, . HDMI, SPDIF. Denon AVR-2106 HDMI. HD , , (bit-perfect). , .
    ASIO Foobar. .

  7. #7
    Modderhead
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    Quote Originally Posted by Atlant View Post
    ASIO Foobar. .
    ASIO?

  8. #8
    The Game Atlant's Avatar
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    Quote Originally Posted by knobel View Post
    ASIO?
    ... .


    Last edited by Atlant; 3rd October 2010 at 10:54.

  9. #9
    Registered User dhv's Avatar
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    ASIO .
    PotPlayer, ffdshow. DTS , . ( ?) . DTS AC3 , Passthrough DTS AC3. PCM , ...

    , . CD, ( ),
    " , . ."
    "Ƹ , !"
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  10. #10
    Exhumator's Avatar
    Join Date: Jan:2005
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    . , AC3 DTS . PCM .

    , DTS... . DTS AC3 PotPlayer . "SPDIF Out" "DirectSound: SPDIF Out" AudioRenderer. , "Build-in Audio processing filter setting" "Filter Control". "normalizer"- .., . AC3, DTS , SPDIF- .
    . . , , SPDIF- .
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  11. #11
    Registered User dhv's Avatar
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    PCM , DTS PCM. , . , DTS . ? DTS, . DTS DVD, passthrough, PCM, .
    , , volume SPDIF. passthrough, . .
    " , . ."
    "Ƹ , !"
    Scent of the Day: Mancera Jasmin Exclusif

  12. #12
    Exhumator's Avatar
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    Creative AC3/DTS SPDIF- PotPlayer KMPlayer. , , .

    PCM SPDIF- AC3Filter . . :

    SPDIF-as-PCM trick
    Sound card tricking may solve problems number 3 and 4. Since SPDIF data is sent instead if PCM data we can trick the sound card and say that we want not to transmit PCM data, but send compressed stream instead. This is controlled by Output SPDIF as PCM option.
    However, this trick works only when sound card does not alter our data and transmits it bit-by-bit directly to the SPDIF output:
    Volume settings in both sound card mixer and player must be at maximum level. Otherwise, sound card applies gain to our compressed stream and breaks it.
    It must be no other sound playing. Otherwise, sound card will mix PCM and compressed data what finally leads to destruction of compressed data structure. Therefore, you must disable any background music. Any sound during movie playback (like ICQ notifications or other things of that kind) will temporarily break normal playback and produce loud noise.
    Sound card must truly support the given sample rate. Many sound cards support only 48 kHz and do sample rate conversion for all sounds with other sample rates. Sample rate conversion like any other manipulation breaks compressed sound stream.
    Filter cannot control the first two conditions so you must set volume and disable all background sounds manually. But filter may verify sample rate and prohibit SPDIF transmissions with incorrect sample rates (thus protecting you from the loud noise caused by broken compressed stream and eliminating the need to enable/disable SPDIF each time for movies with different sample rates).
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  13. #13
    Registered User dhv's Avatar
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    AC3filter, - PCM, AC3 . , PCM .

    7 .
    " , . ."
    "Ƹ , !"
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  14. #14
    Jodecidal hotline jodeci's Avatar
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    wav dts , . , , dts-wav.
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