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Questions tagged [phase]

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15 views

Is there a way to display Lissajou curves (o'scope XY mode) in Audacity?

Is there a way to display the phase shift between LR channels in Audacity, e.g. using the classic Lissajou curves (o'scope XY mode)? I can pipe the sound to Supercollider, where this is trivial to ...
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0answers
25 views

Unique setup for spatial mic array and phase issues?

I am working on a project that uses a grid of 16 speakers roughly 8 feet on center. The speakers are ceiling mounted and down fire into a space. The playback/spatialization is a custom system that ...
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1answer
27 views

Phasing out monitor bleed

I was just thinking, has anyone tried phase/polarity inverting to remove playback getting into a mic? For example, recording a group vocal part and instead of giving them all headphones, just playing ...
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0answers
149 views

Stereo Spread on a 3.2 Channel System

I just set up a new speaker system in my work place. It is a 3.2 Channel system with three center speakers (left, center, right) and two subs. These are used to play music so the input audio is ...
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0answers
421 views

Mid Side recording “Invert the Phase” - “Invert” is ghosted in Audition

In Adobe Audition I'm following a YouTube tutorial trying to understand how to record and then manually process a “Mid Side” boom mic test recording. So when I convert it to mono it gives me two ...
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4answers
1k views

How can I get rid of the “phase shifter” sound of my voice?

I'm using Audacity to record audiobooks, and my voice tone is sometimes recorded as if I'm coming in from Mars or something. The closest thing I can compare it to is the "phase shifter" sound that ...
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0answers
182 views

Ableton: Why is my vectorscope showing flashes of stereo activity on a mono track?

I've placed a utility on my master track and set the width to zero. Schwa's Schope plugin (set to phase visualisation) shows the expected hairline profile, but occasionally flips out for a split ...
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1answer
225 views

Why can't I isolate center-panned audio using inverse phase cancelling?

In Audacity, you can split a stereo song to mono and invert the phase to remove center-panned audio (usually vocals). Can someone explain why inverting the result and adding the original (in mono) ...
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2answers
502 views

How to use unison without voice beating/phasing

I've been learning to make trance and progressive house for the past few years, and have always encountered the same problem when creating sounds with unison, eg. plucked saw chords. Every few stabs ...
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4answers
160 views

Certain tracks have wacky volume on certain speakers?

I'm a video editor and I was working on this little promo for work and when I listen to the promo with my editing headphones, or the computer speakers, or master control, everything sounds fine. When ...
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1answer
64 views

Avoid annoying phasy sound with multiple delays of the same sound

I have a signal that I would like to play back from different directions with slight delays. However, when I do this, I'm getting an undesirable not-very-nice-sounding phasy effect, caused by phase ...
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1answer
279 views

Should the phase shifting caused by using analog EQ be a serious consideration?

Is the phase shifting caused by analog equalization serious enough to require attention or even adjustment of some kind in a live sound reinforcement setting?
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1answer
43 views

Impulse Sweep and Phase

can some one tell me how the sweep profiles the phase of each frequency, and how this is reflected on the impulse sweep...I can see that when the sweep moves across the spectrum to profile a systems ...
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1answer
86 views

Vertically shifted waveform

I'm trying to make a vinyl rip sound clean as a digital copy in several steps and the first is increasing high frequencies slightly and turning down the overall gain to prevent clipping. Whoever wants ...
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1answer
90 views

Why aren't all-pass filters used for rinnging out mics?

The common thing to do when ringing out microphones is to use a paramertic-eq with a narrow q and notch out the first few problematic frequency's. There are also some feedback-killer products that ...
5
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1answer
7k views

Isolate the difference between two mostly-identical audio tracks?

I have two audio tracks which are mostly identical. I want to isolate the differences between the two. I can use Audition, Audacity, or really anything else.
6
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1answer
510 views

Plugin to “Dynamically” align phase (add delay) between two mics (where one is moving)

We occasionally have a situation where one speaker is wearing a wireless microphone and another speaker is not. (Usually a translator would be using the wireless headset, standing next to a guest ...
3
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3answers
965 views

Learning to hear phase problems

Does anyone know of a good exercise to learn to identify what phase cancellation sounds like in the field? Is there a spectrum to this problem, or is it kind of binary? I don't think I've ever really ...
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4answers
1k views

Does “true” stereo panning exist?

I know that panning in a DAW is basically just turning the right/left channel up, making the sound pressure in one ear greater than the other. But as far as I know, in the real world, the perception ...
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2answers
448 views

Video out of sync and phasey after uploaded to the web

I just did the sound design on a Valentines Day promo for Volcom and the one they uploaded to YouTube seems to be out of sync and phasey, where as my original is not at all. Can anyone explain to me ...
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3answers
275 views

Full screen Phase Scope?

I have to record a phase scope to video. please, offer for a program that you can do a full screen, or what i can zoom in? it doesnt matter its stand alone, or plug-in. i find one app: http://www....
6
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3answers
39 views

How far apart temporally can two sounds be heard while still sounding like they are playing at the same time?

I am trying to synchronize music played on different computers. I've been collecting quantitative information to try to identify sources of asynchrony. I would like to know how far apart in time two ...
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2answers
292 views

Old Movie Phasing

I have noticed that many older movies (Late 70's and before) shown on tv have a subltle phasing sound that runs thru the entire track. It sounds like maybe the stereo track is being summed or is out ...
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4answers
378 views

For multiple mic recordings, do you check the phase?

I know it's a big issue for recording Drums because the mics will all be played back together, but when you are recording a sound effect in the field like guns or fireworks, do you check the phase ...
2
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1answer
334 views

Phase errors, Chromatec PPM

Hello all, I use a Chromatec AM-2 as a PPM when mixing for TV (I also run an RTW Portamonitor too), along the bottom of my TV is a bar which checks for phase. My question is this, when I pan ...
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3answers
477 views

Is it possible to unphase something

Okay, I have a show where the 4 super hero characters are all doing press ups. Making me tired just watching them. Anyway it was a boom setup and from the way they're moving up and down it's creating ...