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  1. Member
    Join Date
    Mar 2017
    Location
    Australia
    Search Comp PM
    Hi All
    Acer Laptop 5630Z connected to HDTV
    Playing movies recorded from free to air TV using potplayer on laptop.
    No audio out from HDTV so use audio output from Laptop (headphones output) to plug into aux input on my receiver amp (6:1)
    Audio is pretty good (pro logic 2 I think)
    Does anyone think I may be able to get any extra benefit from using an external sound card (startech or similar) so I can then use the optical audio input on receiver amp ?
    Any advice Appreciated
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  2. Nope... No addditional benefit
    Just ue what you have right now

    Too Bad ....your laptop doesn't have hdmi out, that would have been the easiest way..
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  3. Member
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    Mar 2017
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    Australia
    Search Comp PM
    Nope... No addditional benefit
    Just ue what you have right now

    Too Bad ....your laptop doesn't have hdmi out, that would have been the easiest way..
    Thanks for the quick response
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  4. Audio circuitry built into computers/laptops is typically marginal because of all the noisy computer hardware therein. You might get better sound, especially less noise, with a good external USB sound device.
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  5. Member
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    Aug 2010
    Location
    San Francisco, California
    Search PM
    You're only going to get stereo from the headphone output; Dolby Pro Logic II would be the receiver synthesizing extra channels. If you are recording surround audio off-air, then a USB interface could send the digital signal to your receiver for true 5.1 decoding.
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  6. Member
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    You're only going to get stereo from the headphone output; Dolby Pro Logic II would be the receiver synthesizing extra channels. If you are recording surround audio off-air, then a USB interface could send the digital signal to your receiver for true 5.1 decoding.
    Pretty sure very few of our free to air TV channels here in OZ would send the audio out in surround
    But then I am not tech enough to know
    Is AC3 or AAC surround ?
    How would I know if they are broadcasting surround ?

    Thanks for your help
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  7. AC3 or AAC are formats just like mp3 or wav

    Surround is determined by the number of channels in your sound
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  8. Member
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    Mar 2017
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    Australia
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    AC3 or AAC are formats just like mp3 or wav

    Surround is determined by the number of channels in your sound
    Thanks for that
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  9. Member
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    Mar 2017
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    Australia
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    Just recorded a few HD channels
    Checked in mediainfo and some had AC3 6 channel audio
    I figure I would not get the benefit of that audio out of the stereo headphone out ?
    But the external USB video card (optical out) may work ?
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  10. Member Krispy Kritter's Avatar
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    Jul 2003
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    St Louis, MO USA
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    Correct. AC3 6 channel would indicate they are likely broadcasting DD5.1 (Dolby Digital 5.1).
    Google is your Friend
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  11. Originally Posted by ausrob View Post
    But the external USB video card (optical out) may work ?
    One with 5.1 channel analog output, or digital spdif or coax output. Like Creative Labs X-Fi, Startech External Sound Card with SPDIF, etc.
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  12. Member
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    Aug 2010
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    San Francisco, California
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    Originally Posted by ausrob View Post
    But the external USB video card (optical out) may work ?
    Yes. I use a Turtle Beach Micro II to send the digital audio stream over TOSLINK (optical) to my receiver. It's pretty cheap and plugs into a USB 2 port.
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  13. Member
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    Thank You All
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