How To Perfectly Set Lip Sync Calibration In Your Home Theater

This video is designed so you can perfectly set lip sync in your home theater. In this video, you will see a bar moving across a timeline and you should hear a beep every time the bar crosses the zero mark. If you hear the beep before the bar crosses, then you will increase your delay in your home theater receiver.

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This video is part of our Home Theater Design Series that covers virtually everything you need to know about designing a home theater. Certain flaws in your home theater setup are bound to take you out of the moment — flaws just too annoying to ignore. Having your audio out of sync with the video is certainly one of them! At Audio Advice, we are huge fans of immersive home theater. We love getting in new gear to test, and if it meets or exceeds our standards, we really enjoy writing an article then doing a video on it. Over the years, we have had thousands of people tell us how much enjoyment they derived from putting in a great home theater. It really is a great way for families to get together and forget about the world for a while.

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#LipSync #AudioTest #AudioDelay

[CmJr]

Thank you for sharing this! Subscribed. Keep ‘em coming

[stang]

Yes! Finally a REAL and accurate sync/delay demo. Used the on board app and on the external devices and synced perfectly in passthrough and auto. Thank you so much!

[dlcphoto]

I have tried adjusting this in the past by just watching regular video, and for whatever reason, I found doing it that way to be difficult. This test pattern makes it a no-brainer!

[RuudZeelenberg]

Hi, thanks for these great videos.
I have a question though, when putting this sync video in Premiere, the audio is 4 frames late (off) in comparison with the video hitting the 0 line.
Any reason for this, am I doing something wrong (Sorry to have ripped your video through 4K downloader for checking purposes) or is... your audio / video sync just off?

Love to hear. Thanks again for all the great info you share.

[keithb]

What's the issue if I don't have lag from Youtube, DVDs, or Netflix, but I do have lag from Prime and 4K discs? The source is all the same: a Sony 4k player, running through a Denon receiver, then video out a to a Sony TV (and of course, direct audio to speakers from receiver). Thanks a million.

[amytong]

Hi, nothing to do this this video, but can't find any answer on the web, thought this may be a good place to get the answer, the question is " Why do amplifiers include DAC when all audio players ( the source ) already include a built-in DAC ( also which DAC ( DAC from Amp. or DAC from Audip player) will the speaker choose as the final out-put? ",

[vicentepostiganogueira]

If I don’t use an audio/video receiver and connect directly the digital audio out of the HDMI switch to my stereo audio system, and the video to a projector, what is the simplest/best way to adjust the delay/lipsinc?

[spyrogyro]

i'm using my laptop. and i'm using thimeo stereo tool as real time sound enhancer audio interface with that program running i'm getting a delay of approximately half second. (+500ms). is there any browser extention that sets a negative delay in order to compensate the delay generated by the program i'm using?

[manasil]

Sir, i think finally i reached a place which i was looking for.Hope you can help me out with a query.My amplifier is denon 4700h. When ever i play any video, let it be in hard disk, apple tv, netflix, youtube, its moving a bit fast.In all my source its playing like that. What should i do to play it like in normal speed

[TalkCafe]

Thanks for this tool!
I would add to the "how to" to play this on all of the resolutions and framerates you would use in your setup.
On my LG OLED A1 I've exparienced that resolution has a slight or no effect on delay, but framerate change can cause hundreds of milliseconds of difference.
For example 4K TVs usually default to 60Hz, they are the fastest on that, so with 60fps content the delay will be minimal or not even noticable. But if your TV don't have native 24Hz support (most of them does not), then to display that content the electronics have to work a lot, and therefore introduce more delay in the signal.
The next problem is that DVDs and blurays have different default framerate, so movies stored on them will have different framesrates too. So you have to change delay settings depending on the media. Now this is the most annoying and the only solution I found is if you BD player support it, switch the output to constant 24Hz (and throw away the other 6-36 frames per second your not-bluray disc has) or use different player devices for different media and set each setting individually.
Human perception usually can only notice 20-40ms differences between visual and audio, that's why most devices only let you set lip sync in these increments. Somehow I'm able to perceive as low as 1-2ms of difference, really annoying, you can imagine. So I've tried lots of methods to eliminate delay.
Every AVR I saw has this "auto lip sync" feature, which would solve all our problems....
But absolutely no TVs which will send this signal to the AVR (idk about projectors, but I guess they won't either) so the function is useless.

[sj]

Thankyou...is this setting on all AV recievers? This is interesting because my blueray is out of sync with my reciever.

[BluegrassMike]

Ugh, very confused haha. If I try to watch/listen to the test video, then bring up my settings menu on the tv, it covers the middle part of the video where you can't see the line. So how are you able to watch/iisten to the video then adjust the delay setting if can't see/listen at the same time?

[bigikes]

How would I use this on a 4K disc player?

[truwarrior]

Strange, does not work when I use eARC to my Arcam AV40, it’s like the signal is going in and out.

[g.r.aguilar]

My audio is still late even after taking the delay all the way down. My receiver is Bluetooth to my TV. PCM already set too

[harrilmullany]

My Yamaha amp doesn’t allow negative settings - so all this does is allow me to hear audio slightly late (set at 0) or ridiculously late by increasing the setting. 🥴

[davidclarke]

Am I the only one; Where do you get this "Test Screen" ? Have never seen this on any of my 3 Samsung TV's Or either of my 2 Sonos Sound systems. Sounds interesting & might work but you neglect to say how you get started. I'm convinced it's a Samsung issue not from any of the streaming apps or Sonos sound systems.

[oliverdknielsen]

When i watch movies. I think its behind by.
0..1 sec.

I cant tell, it just dont look like normal.

[manuelalejandro]

My audio comes a bit after the video with 0 delay

[Koozwad]

Correct me if I'm wrong but, this is so much better to do when putting at 0.25x speed.