What You Didn't Know About PHASE 🤯

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28 май 2024

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Комментарии : 71

@OKFCPrez 5 месяцев назад

You would think that a topic so controversial like this would be upsetting, but actually it didn't phase me much at all.

@DerekPower 5 месяцев назад

To use a phrase from Dan Worrall, "don't fear the phase shift" =]

@ProsodySound 5 месяцев назад

Dave, great job on explaining why "phase issues" aren't always issues. I encourage people to not be afraid of "phase issues", but instead, just be aware of when they occur so if phase relationships actually become an issue in a mix (for example: 180 degrees out of phase), you know exactly where the issue is coming from and you can fix it. When EQ'ing (unless done with a linear phase EQ), there will be some amount of phase shift. If it wasn't for this phase shift, we wouldn't have the sound of EQ's that were used for many decades. When someone says, "the sound of [insert favorite EQ] sounds awesome!" Just remember - a part of the sound of that EQ is how it shifts the phase. Of course, we can talk about the components which will add to it's "sound" but that's for another topic. It's perfectly normal for phase shift to occur when mixing. Phase shift is not an issue unless you can actually hear an issue, which in that case, you'll just take action to fix the phase issue. So in conclusion, listen to the audio and trust what you hear because your ears will usually tell you if it's an issue or if it's good. I'll also add, if it wasn't for difference in phase relationships, then stereo wouldn't exist. Phase relationships are only an issue if you hear an issue. Dave - You've just earned another subscriber. Happy holidays!

@emiliodimitri419 5 месяцев назад

Straight to the point and i'd say a good 70% percents of phase problems are related to drums. Experienced first hand , layering kicks, especially modern dance ones. And yes the shot reverb so true, better to have a more open one and gate it if we have to control the tail. As usual, nice video David

@mhb450 5 месяцев назад

Sometimes a cancelation is not an issue. Sometimes you want the effect of that cancellation. Sometimes you can make it up with eq/compression. I believe that is what you are saying

@sm5574 5 месяцев назад

I got into a discussion on a video about mic'ing an acoustic guitar. Someone wanted to mix their pickup signal with a stationary microphone in front of the guitar. I mentioned that, since the player will inevitably move the guitar in relation to the microphone (assuming the guitar isn't on a stand), it would create variable phase cancellation that could not easily be adjusted for, and so might result in an inconsistent sound. I was essentially told that I clearly didn't understand anything about recording and that it wouldn't be a problem.

@sean_miller 5 месяцев назад

How anyone having spent a mere two minutes recording an acoustic guitar could not have known this is absolutely beyond me. Kind of hilarious.

@foljs5858 5 месяцев назад

Well, they were kind of right, isn't this the whole point of this video? It wouldn't necessarily be a problem. Besides, adding any kind of dynamic processing to a single acoustic guitar track, like dynamic -not static- EQ, an automated fx plugin, etc would also have the same issue (whether in insert or send mode), but usually it would be just fine.

@EqDior 5 месяцев назад

Wouldn't the signals,signals, recorded at the exact same time, be unique to each other? Because they are not recorded in the chain the exact same way. Not saying that it's not possible but in this case the tone and timing would be slightly different and may not cancel each other.

@SuperMax_____0.0_____ 5 месяцев назад

Thank you David, I was guessing a few days ago probably most of our fav records from the 70s/80s/90s or even today have phase issues and common problems that would need just two clicks today to "fix", use your ears. And most of those old great classic records are not even mastered as we understand it today and they were huge.

@bontempo1271 5 месяцев назад

'Phase cancellations are not neccessarily phase issues !' - Nailed it, great way to teach it

@queenpurple8433 5 месяцев назад

Great video as always David! 🤘

@antcall6779 5 месяцев назад

Great as always David 🤘

@warpacademy 5 месяцев назад

Great discussion and video David. Also to be noted is the fact that when you have a two identical (or very similar) signals combining together with differences in the time domain you will get both destructive and constructive interference. Phase cancellation implies only destructive interference, but you will also get boosts. Then it should also be noted that your studio and monitoring will also cause phase anomalies that can affect your mix decisions if you're not aware of them. Most notably, comb filtering due to desk reflections. And also interaural crosstalk cancellation from your stereo monitoring system - assuming your room has its primary reflection side wall points acoustically treated. If that's the case, you will have a strong interaural crosstalk cancellation notch of about 1.8 kHz assuming your monitors are toed in the typical 30 degree angle which will create a time of flight difference of 0.27 ms from right and left monitor signals.

@sonicart1808 5 месяцев назад

Great explanation of a slightly confusing subject, it reminds me of my first-ever drum recording ha ha....where there was definitely a phase 'Issue"(or two).

@Bring_MeSunshine 5 месяцев назад

Great. Nuff said. To the point

@edgriggs3544 5 месяцев назад

I think we have a corollary to "if it sounds good, it's good". That is, "if it doesn't sound bad, it's not an issue". I believe that you and others pointed out that most phase "issues" occur in live drums due to the multiple mics. I would like to submit that if you are using a stereo delay with different delays on the left and right, you can cause some nasty comb filtering. Been there, done that...

@mystikrebel1089 5 месяцев назад

After coming back from the gym, its good to see this educational video showing up on my feed on this phase issue that often confuses me .Thanks again David !

@PeanutButterAM 5 месяцев назад

Interesting, as always. Thanks boss!

@TheYeqy 5 месяцев назад

100% with you on the aligning room mics to the spot mics on drum recordings, finally somebody said it 🤝🤝🤝

@n000b51 5 месяцев назад

Clear explanation. Thanks.

@wynton765 5 месяцев назад

You are the best!! Thank you for this explanation!

@kacklerot 5 месяцев назад

This is great. It's so easy when I look into everything else I could forget this tiny detail that changed everything when I think about phase.

@1loveMusic2003 5 месяцев назад

Totally needed to be said.

@DarkRattlehead 5 месяцев назад

One of the best ways to illustrate this is, in my opinion, the Fredman miking technique, which was desigend to reduce/eliminate harshness in heavily disorted guitars. Yes there is cancellation, but that's exactly the point.

@haslo_ 5 месяцев назад

Thanks so much for this video. Bookmarking it, I'll link to this so often in the future, whenever I'm annoyed by somebody just throwing out "phase issues" without thinking...

@TheMixClub 5 месяцев назад

There is a reason I love your Content. Never thought of it like this before. I gonna have to watch this again. Now my brain is out of PHASE... Good Stuff....

@philburns5656 5 месяцев назад

Great idea to use a slight ms-shifting on an FX track to EQ the result to your advantage. I had never thought of that, yet. It's these little things that make it always worthy to watch a 10minutes video from David. Thank you!

@Peter-gu9ph 5 месяцев назад

Thanks for clarifying all of this. Audio College made us think phase issues usually lead to phase problems, and we have to do everything possible to reduce them - they never mentioned they are everywhere in pro mixes/masters (and probably always will be) to some extent...

@SoundKilterStudio 5 месяцев назад

Ooooh!!! What you said about aligning multiple Room mics (Near, Mid, Far...etc.) makes total sense to me man! I mixed a song a while ago that had them and I aligned them, because thats what I THOUGHT I was supposed to do to prevent phase "issues". And I was listening back thinking "what is the point of these different distance mics if it doesn't give the audible 3D effect?" It totally destroyed the intent of the mics. Awesome video and thanks, as always, for the info man!

@lighterwaves5659 5 месяцев назад

🔥🔥🔥 good1

@patrickalphenaar 5 месяцев назад

To me personally a “Phase” issue that becomes an actual problem is when i mono the source and it doesn’t sound the way i want it too because of the cancelations. All other Phase issues are not problems at all. Just like you explained perfectly well. Altho it would be awesome if any plugin manufacturer find a way to prevent “phase Rotation” “Cancelations” to happen. Loads will sound weird but yet interesting I guess. Cheers and thanks for the great vid.😊

@rollinwood9453 5 месяцев назад

Izotope RX has a phase rotation fix, if I recall correctly.

@patrickalphenaar 5 месяцев назад

@@rollinwood9453Thats correct also Acon Acoustica does have that feature and i i own a copy. But that all just rendering and not real time…… i think if you have a real time version that fix rotation and phase shifts it might be interesting……… Cheers

@joelyons7807 5 месяцев назад

Hey David, great video and very clear and useful explanation. Totally agree re not time aligning multi mic'd drum kits they just don't sound real... (unless that's what people are going for).. occasionally time align snare top/bottom and kick in/out, and bass amp/DI, but that's usually about it. On this topic also highly recommend people checking out old interviews with Jack Douglas for his multi mic guitar amp approach which is a really cool further demonstration of using phase cancellation to ones advantage like you spoke about. 2-3 microphones in combination (situated in different positions resulting in different phase relationships when combined), and bringing them up in different combinations results in an effect almost like an EQ (due to the cancellations occuring) but simply by different combinations of the multi mics.. can be very handy in a mix and further illustrates exactly what you're talking about here. Nice one.

@mixbustv 5 месяцев назад

Thank you!

@luckyfelllabeats 5 месяцев назад

Cool

@Studio22mix 5 месяцев назад

I thought face cancellation was a Facebook thingy 🤣

@nashse7en 5 месяцев назад

Really good and simple. David in your opinion what is the DAW with the most similar workflow to ProTools?

@mixbustv 5 месяцев назад

I gotta be honest I don't have any experience with other DAWs other than Nuendo which we use for Atmos at the other studio and that is definitely different. I wanna say probably Reaper or Studio one from the little I've seen but, editing wise, nothing touches it

@IsaacMorseBeats 4 месяца назад

@MixibusTv David, brother... I've been binging your channel and trying to figure out everything I can about Phase Issues and Phase cancelation. For context, I'm an FL Studio producer. My main concern is wanting to have hard hitting and clean Kick and Bass in my mix for EDM. Although I'm sure I have phase issues at times and some of my songs I think I can actually hear it to where it is indeed an issue. How do I diagnose where that is coming from? I'm not just concerned about bass I'm concerned about all the instruments in my mix at the ends of the day but primarily the kick and bass. It sounds like if it's mild cancellation it's not an issue which is understandable. How do I insure as perfect phase alignment as I can when a bass is changing notes and the tone and key is going up and down, how do you have perfect phase alignment then with the Kick? Also you threw out this non-linear and linear eq idea, do you know if Fl Studio has one in their stock plugins? Do you know of a good free one? Where can I go to understand linear eqing, and how and when to do it? How does linear eq relate to phase issues and phase cancelation? What is a fundamental principle that I can adhere to throughout the mix no matter which elements I'm working with to ensure I'm not causing phase cancellation that becomes an actual issue? Does Mid-Side eq on the separate elements/different channels fix the phase issues some or a lot and just stay away from the master with the mid/side eq stuff? I can't find any good Fl studio tutorials on this stuff and how to automate phase alignment so that when the Kick and bass are playing throughout the mix and have different notes being played there still is not problems. I think it would be really cool if you did a full blown tutorial on what phase is, where it shows up most, how to phase align with Kick and Bass for EDM in particular (REZZ/Subtronics) style beat. Maybe you got more answers on other videos I haven't seen, but really trying to understand this issue and wondering how much this is affecting my mixes. Also, keep up the good work, being watching your videos for a while now and super helpful. Also, do you know of anyone who is putting out this similar kind of information that uses FL Studio? I understand the concepts but it's hard to translate to my work when I don't have a visual example with plugins and interface I'm used to looking at. Not sure if it would be possible for you to start throwing that kind of stuff in there with a different DAW like FL that would probably be way to much work lol Anway your a diamond in the rough man, keep it up. You may be the reason that music gets back to better sounding quality with all the overflow of music out there.

@Tekkerue 5 месяцев назад

If rotating phase is craziness, then SoundRadix must be *_insane!_* 🤪😁

@mixbustv 5 месяцев назад

Yeah it makes you wonder, how did the entire music industry manage to survive and put out great sounding records before they came around uh? Crazy.

@briancase6180 5 месяцев назад

Well, if the signals are reasonably complex, if you have phase cancelations, you also almost certainly have phase enhancements (where the signals align so that the peaks add up to a 2× signal magnitude). It's only when the two signals are exactly the same or are very simple (like a deep bass or a kick drum) that you can have pure cancellations or pure enhancements. In a complex signal with reasonably high frequencies, you'll very unlikely have either pure cancellations or pure enhancements. Thus, the chance of phase issues is reduced for vocals. I think, anyway. ☺️

@mixbustv 5 месяцев назад

Yes the example the subscriber was talking about had a copy of the LV

@briancase6180 5 месяцев назад

@@mixbustv I commented before the video even finished. So, my comment is just a restatement of what you said. ☺️

@DeltaWhiskeyBravo13579 5 месяцев назад

I think the key is you have to take every effect within the context of the whole mix. It all comes down to what comes out of the 2 bus. Great info David. Happy holidays. PS nice lights in the background.

@seansley 5 месяцев назад

You're like a professor

@benlowez 5 месяцев назад

1:41 you say two things which are incorrect. 1. that ANY processing will alter phase, which is obviously not true e.g a compressor and 2. that it will always cause phase cancellation; it can also cause the opposite (phase reinforcement) which could boost frequencies. for a video about correcting misinformation, you should probably have given a clearer/more accurate explanation of phase.

@sean_miller 5 месяцев назад

Go start your own youtube channel if you think you're better at it dude. People generally only associate cancelation with phase, so his focus on that makes perfect sense. "Phase reenforcement" is naturally intuitive to most people and doesn't really need to explained as specifically.

@benlowez 5 месяцев назад

@@sean_miller me and david are on the same side, so chill. we're both trying to stop the spread of misinformation about phase issues.

@sean_miller 5 месяцев назад

@@benlowez I can read bro. Your comment was unnecessarily critical, and your "correction" is--as I said--not even something people struggle to understand.

@benlowez 5 месяцев назад

@@sean_miller i'm sure david will tell me if he thinks i'm being overly critical (he's a big boy). if you think this was a good/accurate explanation of phase that helped to clear up all the misinformation (rather than adding to it), feel free to write your own comment.

@sean_miller 5 месяцев назад

@@benlowez Bro David isn't wasting his time on self-important comment trolls like yourself. There's several other comments beside yours that added relevant information without crapping on the video. Besides, while your explanation is an interesting thought exercise, it actually adds confusion if you aren't careful. "Phase reinforcement" is already well explained as resonance or frequency build-up which is why no one ever uses your pet term.

@jas_bataille 5 месяцев назад

Almost every EQs create phase shifting, and excessive corrective EQ like I see a lot today can create phase issues. When copying a track, I always put the copy ever so slightly out of sync with the original, you don't even hear chorus really, and it sounds massive. I also tend to pan pretty hard as well, so I'd often have the copy on one side and the original on the other. Before digital phase issues were really hard to deal with... My old was was SO adamant about this in the 70's, he wouldn't even use close mic'ing on toms since they are almost inevitably pointing towards each other... he'd clip them on just for show! lol

@mixbustv 5 месяцев назад

I'm assuming you know that if you copy one track, nudge it and pan it hard you're going to be 99% out of phase when mono'd and lose that sound almost completely.

@MFKitten 5 месяцев назад

With acoustic drums and electric guitars, the phase cancellations between multiple mics ends up being the thing that makes it sound right. Fix the phase, and you lose that particular tone.

@MFKitten 5 месяцев назад

I will add this: parallell processing does not necessarily cause phase cancellations, because modern DAWs compensate for the latency differences. Of course if something causes a phase difference, like an EQ or whatever, then obviously that's going to be a change regardless of latency.

@PeterPan-lu7cw 5 месяцев назад

It isn’t just canceling but also adding phases that can cause issues right ?

@ProsodySound 5 месяцев назад

Simply put, the phase relationships between multiple signals will either increase level at certain frequencies or decrease level at certain frequencies (which is exactly what an EQ does). How much increase or decrease of level depends on the degrees in-phase those signals are to one another. The 2 extreme cases would be: 1) Perfectly in-phase = Double the amplitude. 2) 180 degrees out-of-phase = Silence. Of course, you can also be anywhere in between those degrees too. For example, 31 degrees, which will have an impact on the level at certain frequencies. But this doesn't automatically mean it's a bad thing. In my opinion, it's better to think of it as "phase relationships" instead of "phase issues". Differences in phase don't make it an issue unless you're hearing an issue.

@jakestagg 5 месяцев назад

Semi related- why, when I bounce to audio, duplicate it, do the 2 not always cancel/ cancel completely?

@jakestagg 5 месяцев назад

After inverting polarity

@PACKTdotSPACE 5 месяцев назад

maybe some plugins are oversampling more when being bounced vs realtime playback?

@KYTHERAOfficial 5 месяцев назад

@@PACKTdotSPACE This. Some plugins can use IIR filtering for live oversampling and FIR for offline. Scratched my head about this as well a few times.

@wadeteo8282 5 месяцев назад

Can't parallel compression cause a degree of phase cancellation?

@mixbustv 5 месяцев назад

No, parallel eq can

@AlexLapugean 5 месяцев назад

No, a compressor does not change the phase. Eq changes do that, different ammounts depending of the type of EQ band (except the linear phase Eq, but that in turn causes pre-ringing).

@ProsodySound 5 месяцев назад

@@mixbustv However, parallel EQ may be just what you need. 😃

@arnolddawson5747 5 месяцев назад

A good side and a bad side to every thing. they are just things. It is good when its good its bad when its bad.... everything else is ok. Ha...

@DarkSideofSynth 5 месяцев назад

- How's your music? - Oh, it's going through a bad phase Stupid cringe, courtesy of the dark side ;) Jokes aside, well said, as usual. Be aware but not oeverobsessed, unless it really sounds awful. We wouldn't have massive double (tenfold?!) guitars in heavy rock, or anything done, really. Even when more people talk at the same time, you have 'phase issues'. Yet, most times you do understand them... if not, just leave them fighting and enjoy a drink:)))