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  1. I suddenly had no audio for MPC-HC, not sure what I did, but I could hear this odd chirp but nothing else. Now I hear it other times too, like when I have sound in other files. I have found that touching a keyboard key sets it off. Wouldn't that make it interference? I'm not sure if it does it randomly even without touching the keyboard. I have an Asus Strix SOAR and Senn HD558's. Not high end gear but not old either.

    I don't remember hearing this before. I captured it in an mp3. Hope you can hear it. It's a very short mp3 so you might want to put your player on repeat.


    http://s000.tinyupload.com/index.php?file_id=98334376119381288677


    Thanks

    Edit: using the arrow keys doesn't do it with foobar, but those keys don't do anything I don't think.

    Great, it's doing it in both the 32 and 64 bit MPC-HC but not VLC or Foobar2000... I haven't even changed any settings....
    Last edited by Darkmatter; 26th Apr 2018 at 16:20.
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  2. I hear similar weird sound when using MPC-HC - my first bet was it is related to bad capacitors and hearing power lines (use analog connection to display) but after your message i must say i need to investigate this issue more closely.
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  3. Can you try another audio renderer in MPC-HC? I use MPC-BE and there are multiple choices available. Worth a try ...
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  4. I actually was told that could be "coil whine" from either the PSU or, more likely, the GPU. I actually tracked the problem (for me) back to a setting in MadVR. It is under [processing/artifact removal] and having "reduce compression artifacts" turned on. I checked everything 1 at a time by uninstalling everything and it was definitely that setting.
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  5. Not necessarily coil (inductance) but can be related to insufficient/bad capacitor or plainly to crosstalk from some power line at the amplifier input - in my case sound is audible only for around 40 - 50 second and after this is lowered or completely gone - on my different computer (notebook) i can easily hear (headphones) sounds related to video data moving (scrolling image/text/webpage etc) - this is clearly something related to insufficient power quality or PCB crosstalk... so you must check carefully what can be reason...
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  6. I assume your PC's audio is built into the motherboard rather than it being a separate card? A cheap card might fix that.

    My onboard Realtek audio can be a little chirpy when the onboard Realtek Ethernet is working hard... when I'm moving large files between the two PCs etc.
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  7. Actually it is a brand new Asus Strix SOAR. Which, if I read the info correctly, the cover that surrounds the card is specifically to shield it from interference.
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  8. Member jgg's Avatar
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    You're lucky. I hear nothing BUT chirping when I watch this video.
    https://www.edu-net.net/media/balcony01.mp4
    Win7pro x64 on Lenovo S20, Xeon W3520, 18gb RAM, nVidia Quadro FX1800 and on Lenovo S20, Xeon X5670, 12gb RAM, Matrox C420 and Matrox M9120. NEC PA272W and 2xNEC PA241W.
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  9. Originally Posted by Darkmatter View Post
    Actually it is a brand new Asus Strix SOAR. Which, if I read the info correctly, the cover that surrounds the card is specifically to shield it from interference.
    Presence of shielding doesn't mean that shield is sufficient... there is many factors involved in clean audio design and shielding is one of less important things (shielding is more important in RF design than in Audio).
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  10. Video Restorer lordsmurf's Avatar
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    "I taut I taw a putty tat?"

    Is the computer's name Sylvester?
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  11. Member jgg's Avatar
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    Originally Posted by lordsmurf View Post
    "I taut I taw a putty tat?"
    "a" putty tat???
    Win7pro x64 on Lenovo S20, Xeon W3520, 18gb RAM, nVidia Quadro FX1800 and on Lenovo S20, Xeon X5670, 12gb RAM, Matrox C420 and Matrox M9120. NEC PA272W and 2xNEC PA241W.
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  12. Originally Posted by pandy View Post
    Originally Posted by Darkmatter View Post
    Actually it is a brand new Asus Strix SOAR. Which, if I read the info correctly, the cover that surrounds the card is specifically to shield it from interference.
    Presence of shielding doesn't mean that shield is sufficient... there is many factors involved in clean audio design and shielding is one of less important things (shielding is more important in RF design than in Audio).
    Well Asus claims that it has designed the card to avoid interference from within the card and that the shield "helps" protect it from outside problems, although it isn't as "well built" as some of their higher end sound cards, but I wasn't willing to spend that much on a sound card that would almost definitely offer better sound that what my headphones can even pick up. I also didn't have the money... lol
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  13. Originally Posted by jgg View Post
    You're lucky. I hear nothing BUT chirping when I watch this video.
    https://www.edu-net.net/media/balcony01.mp4
    It's a Custom Catio!



    What chirping? Dood, u b crazy...
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  14. Originally Posted by Darkmatter View Post
    Well Asus claims that it has designed the card to avoid interference from within the card and that the shield "helps" protect it from outside problems, although it isn't as "well built" as some of their higher end sound cards, but I wasn't willing to spend that much on a sound card that would almost definitely offer better sound that what my headphones can even pick up. I also didn't have the money... lol
    Well Asus may claim lot of things - this is called marketing - i'm not saying that they lying - my point was that shielding may or may not help to solve some problems related to audio. For example using USB audio card is easier way to control and prevent some issues especially that galvanic isolation is feasible for USB audio card.

    Only you can perform checking what is root cause for your problem - digital side (player, renderer, driver etc) or analog (cabling, ground loops etc). Many things involved...
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