Views : 1,856,730
Genre: Science & Technology
Date of upload: Mar 14, 2023 ^^
Rating : 4.964 (634/69,740 LTDR)
RYD date created : 2024-04-29T07:30:17.693255Z
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Top Comments of this video!! :3
0:33 I love how they just put a bunch of SMD capacitors in rows in series to make a staircase design, thinking to themselves "yep, this is what cool electronics look like."
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Just to clarify a couple of things:
Capacitors are actually used to reduce noise and there is noise in the system, however motherboard manufacturers figured that out ages ago and that is why on the bottom left of most motherboard you will usually find some capacitors (usually golden). That section of the motherboard takes care of the internal audio and those capacitors filter the noise from the system before the audio gets to your headphones (no point filtering every component when you can just filter the output). Also audio interfaces are not too expensive and they really do make a big difference...
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For this topic, I would like to see Alex whip out the old whiteboard and explain:
1) How would one isolate the electrical noise sources from the audio interface
2) How the motherboard/DAC manufacturers are doing it
3) If adding these devices has anything in common with these tested and proven solutions
4) Show not only the sound/noise waveforms, but also the electrical signal traces from an oscilloscope.
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Thanks for going into this WAY deeper, and cool to see the results from The Lab (TM)! I wasn't surprised that they didn't fix the noise, but I was surprised that they made it that much worse.
On a personal note, I've always hated onboard audio. No matter the brand, or model tier of board, I always had noise issues, like what you recorded, gaming was really bad, depending on where I looked, it made a different kind of noise, could almost play puzzle games blind folded it was so bad the noise type was dependant on the direction I faced. Best thing I bought for my PC is an Asus Xonar STX soundcard, and surprise surprise, no noise. On board audio is crap at best, and I've had boards that do the whole "better audio than everyone else" thing, but it's still garbage.
Would be good to see The Lab do a full comparison of low end onboard vs "high" end onboard audio, low vs high end sound cards, and then cheap vs expensive DACs. That would be a cool episode.
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One important tip, audiophiles may hate it but if your problem is noise and interference on the onboard audio (which is definitely a thing) then even a little $20 USB DAC, or a slightly pricier optical one if you have SPDIF out, will almost certainly remove the noise and sound pretty similar. (Audio Technica makes one, though I think it's only USBC now, so might need an adapter if you don't want to take up a faster port)
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Debunking scams is fun and all, but now that Labs is spinning up, you should start reviewing low to mid range DAC's using your usual "for streaming and gaming" framework. That'd be excellent.
Testing things like noise floor, pre-amps, routing options (external & internal), driver quality.
I'm often get asked by newcomers to the audio space what to get, and I can't be like "get this $2000 audio interface, it's sick". Usually they come asking with a budget around $100-200.
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Good work guys!
I'm sure many of us out here, that have ever even thought about these components as a "Hmm good or scam?", are now up to speed with the reality of them.
Thanks for all the time and research that goes on behind the scenes, some of which doesn't make it to print, but still consumed LTT time and $
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1 year ago
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