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Questions tagged [stereo]

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14
votes
4answers
202k views

Stereo and mono cables and jacks? What happens when you cross them?

I'm trying to get an understand of the effects of stereo and mono cables and jacks. This is complex because my mixer has both only mono jacks, and my devices -- most of them -- only have stereo ...
12
votes
1answer
3k views

Why does ffmpeg's conversion from mono to stereo lower the volume?

We start with this mono file: test.wav In audacity it looks like this: Then we convert it to stereo with this command: ffmpeg -i test.wav -ac 2 out.wav Now it looks like this: Notice that the ...
11
votes
2answers
334 views

0db mono vs. 0db stereo

Let's assume I have a mono track in my DAW software. The track contains an audio file which was normalized to 0 db. If I play the track the volume gauge on the stereo out channel will go up only to -...
10
votes
3answers
70k views

What causes the background hissing in speakers?

If I turn the volume up as high as it goes with the auxiliary cable plugged in, I can get a constant, quiet, hissing noise to come out of the speakers. What causes that "static"?
10
votes
2answers
853 views

How to mic a 50 persons choir standing behind an orchestra

In a certain line-up of a live recording in a classical concert hall, there is a 50 persons choir situated behind a symphony orchestra with quite a few trombones, timpanies and a percussion section. ...
9
votes
4answers
2k views

Can someone explain 'phase' and related terminology in audio production?

I've looked a lot of places for info about this, and I've never found anything that was clear and satisfactory. I've been working with various DAW software for awhile and I always run into 'invert ...
8
votes
2answers
308 views

Why are drums generally panned to the listener's perspective but piano panned to the player's perspective?

i've posed this question to many engineers (even a few who are drummers) and i'm still without an answer. what's even more befuddling is that i have a few recordings where the drums are panned to the ...
6
votes
3answers
2k views

Stereo imaging with headphones

I've read that recordings with proper stereo imaging cannot appropriately be heard with headphones. (This was a side note listed on this article...) Is this true? If so, what is the reasoning? I ...
6
votes
2answers
2k views

How do binaural recordings sound in a typical stereo situation?

I'm curious if there's any notable difference between a binaural recording and a typical stereo miking pattern when listening in a studio environment. Is there anything that needs to be compensated ...
6
votes
4answers
644 views

How do I mic an upright piano to get a nice stereo effect

I have an old upright piano (slightly out of tune). First of all, I took the front off of the piano and put an SM-58 right in the middle and got a great sounding recording. I really like the sound ...
6
votes
1answer
3k views

How to read and use a Phase / Vectorscope

I been using Izotope Ozone 4 for some time, but I'm still a bit intimidated by the Vectorscope in the stereo-imaging section. When Mastering / Mixing a signal... What "lissajous shape" are you ...
6
votes
2answers
4k views

Strip Right channel in GarageBand

I have recorded some tracks in GarageBand using a stereo setting, but only actually recorded onto the left channel. The right channel, due to some normalisation I did, is full of white noise. I ...
6
votes
4answers
11k views

Atmos recording: MS vs. AB vs. XY vs. ORTF

This may be a bit of a beginner's question, but I moved to NYC from australia and left my second Oktava cardioid behind. I need to record some ambiences for a film, and I was wondering what you ...
6
votes
3answers
2k views

Mid/Side, is it magic? But how does it know its left from its right?

I'm trying to wrap my head around MS recording. If I'm working without an MS encoder, I'm recording onto two channels. One channel takes the centre cardioid, the other takes the figure of eight. So, ...
6
votes
2answers
29 views

Using stereo to re-create a stage effect, or to enhance the experience?

Last millenium with the advent of common Stereo equipment, recording engineers often used the stereo effects to re-create a 'stage' like presence in the recordings. I.e. the instruments would be ...
5
votes
5answers
3k views

How do you record your ambiences?

This question is mainly aimed at generic ambiences. So for instance, the type you'd find in a library rather than recorded specifically for a scene. I'm curious as to what microphones and stereo ...
5
votes
3answers
1k views

Stereo panning, headphones and speakers difference

Should stereo panning be done differently while using headphones or speakers?
5
votes
3answers
5k views

A basic question: What is the difference between Mono, Stereo, Dolby and Ultra-Stereo? (Don't worry, not looking for a detailed answer…)

Hi there, I'm producing and directing a documentary (for the first time!) and I'm currently filling out a profile of our film that will be seen by a number of industry executives (including possible ...
5
votes
4answers
765 views

When should I trust my ears over the phase/vector/lissajous scope?

Let's say I have a sound I like. I start mixing down, and I see that it is all over the place on the phase-scope; that is, the signal looks like it has some significant out-of-phase components. I've ...
5
votes
5answers
1k views

Stereo ambience - microphone selection

Hey all. I Have a hard time deciding if i shall order the MKH 8040/MKH 30 MS rig or not. Today i record most of my stereo ambiences with NT4 in a blimp into my SD702. Actually i think this sounds ...
5
votes
1answer
216 views

Stereo wavs unwantedly combined to polyphonic wav

I've recentley recorded some stereo atmos's for a job and I have used sound devices wave agent to add meta data, This caused them to be combined to a polyphonic wav, which still plays as a stereo file ...
4
votes
10answers
20k views

Is mid-side always better than XY?

I recently got myself a Zoom H2n which I'm using for general recording purposes. It has a build-in mid-side recording feature along with normal XY stereo recording. From what I can read, there are ...
4
votes
8answers
5k views

Workflow Question: Batch splitting stereo tracks into mono?

I have files recorded on a Zoom H4N, the files are stereo, lav recorded to left channel and and shotgun microphone recorded to the right channel. Is there a program (ideally that works on a mac) for ...
4
votes
1answer
57 views

Where did the 3:1 rule come from?

I have read that when recording through multiple microphones, that each microphone should be far enough away from each other such that the distance between mics is at least three times the distance ...
4
votes
3answers
1k views

Recording SFX in mono or stereo / Mic options?

A common question on here seems to be a recommendation for a SFX mic (mostly indoors). I too am currently mulling over this same issue. I am planning to do several SFX libraries in the near future,...
4
votes
1answer
63 views

Second Microphone for Stereo Recordings: Identical or Different?

In search for a more spatial and natural sounding recording, I thought perhaps I would add a second microphone to my existing setup (1 Rode NT1-A attached to a Marantz PMD-661 recorder) which records ...
4
votes
2answers
534 views

The “make-a-sound-thin” thread

Welcome to the "how to make a thin sound" thread, and in general make sounds stand out from other sounds. It seems like a big trend now-days is to have a thick, low end rounded sound and on there are ...
4
votes
1answer
1k views

S/PDIF from PC to Mixer

Background: I have a Yamaha LS9-32 mixer and I'm getting a new sound card for my PC to interface with the mixer. From the Yamaha LS9-32 User Manual: 2TR IN DIGITAL jack This is a coaxial ...
4
votes
1answer
72 views

how to do mono to stereo conversion

(This is a cross-post from StackOverflow. But I wondered wether some people here might be the better audience to answer this.) I am using libswresample to resample from any PCM format to 44.1kHz, ...
4
votes
3answers
706 views

Neumann KM 183 Stereo Pair

Just wondering if anyone has had any experience of using these for recording outdoor atmos and quiet room tones? I would like a pair of omnis to record open outdoor spaces and from what I understand ...
4
votes
2answers
516 views

Masters Research Paper Survey [closed]

Hi guys, I'm currently studying my Masters in Sound for the Moving Image at the Glasgow School of Art in Scotland. I'm doing a research paper into the commercialization of ambisonics in existing ...
3
votes
4answers
4k views

First time field-recording! 4-channel vs. 2-channel stereo ambience

First question on here... So I will be doing lots of field recording in Asia for the next few months. I've got a sennheiser me66 for mono spot fx, which is linked into a zoom h4n via the sound ...
3
votes
7answers
12k views

Sound coming from behind using stereo field

Hey all, I'm working on a sci-fi actiony flick right now, very low budget so mixing in surround is not an option. I have a scene where a robot with a jetpack is landing behind someone, off screen in ...
3
votes
9answers
2k views

How important is a stereo microphone when starting out?

Hello. Sorry for the noob question. I recently put up a post on here about the equipment I want to buy as a starter package. I want to start a small sound effects label with professional sounding ...
3
votes
4answers
713 views

My first MS stereo setup.

I've been getting some great suggestions through email correspondence but I wanted to put this question out to ya'll. You have $4000 and you want to buy a M-S stereo microphone setup(zeppelin and ...
3
votes
1answer
2k views

Convert sound inside a video, from 5.1 to stereo, without image modification?

2 days ago I had troubles with video conversion, today that's audio. Here is the problem, the converter I found (see this question) detects all my sources audio channels as different channels (like if ...
3
votes
3answers
607 views

Neumann USM 69 i for location recording?

Is anyone using this beautiful looking (albeit expensive) mic for location recording of stereo ambience? I am looking to purchase it for both rural and urban settings, and the noise specs make it seem ...
3
votes
2answers
3k views

Field Recording: Stereo vs. Mono

Hello everyone! Just a quick question regarding field recordings. Primarily, do people tend to record field sounds (excluding dialogue) in mono? When would a situation arise where it would be ...
3
votes
2answers
9k views

How to get AUX send mono signal converted to stereo?

I have a small mixer (Soundcraft Spirit Folio Lite) with 2 AUX sends that I want to use for monitoring. I'm plugging one of those AUX sends to the CD/MP3 in of my POD HD500X guitar multieffect so I ...
3
votes
1answer
134 views

Zoom H2 recordings with two different mic settings. How can I match them now?

I have a dilemma. I recorded live flute in a concert hall yesterday using my mac and the Zoom H2. I used the 2-channel setting that uses both the front and back mics, creating a stereo file. When I ...
3
votes
6answers
3k views

M/S mic options

I'm working on another feature film this summer and I need to record a lot of sound to be used in post. On set we'll have unique planes, tanks, armored personnel carriers, weapons etc. that we won't ...
3
votes
1answer
101 views

Why would the BBC have a requirement for recording dual mono?

I'm working my way through the BBC Technical Delivery Standards, and I came across this specification: If mono originated sound is used, it must be recorded as dual mono, so that it may be handled ...
3
votes
1answer
263 views

Loud hiss coming from speakers when on line input

as the title says I have this problem: a loud high-pitched hiss (some 4Khz I believe) coming from speakers when a line input is selected. I have searched for similar problems but all I found seems ...
3
votes
2answers
3k views

How can I select and delete the left track of a stereo recording in Logic Pro X

I have a simple question about the audio editor from Logic Pro X. After recording some ambience of a outdoor scene I've seen that I was recording the scene in stereo. I used only one microphone which ...
3
votes
3answers
945 views

Is there such a thing as Balanced stereo cable?

From the look of it, left and right channels have common ground, but still all the cables I've found so far are just two balanced cables glued together. Why no one created 5-wires cable and saved 20% ...
3
votes
1answer
2k views

Does professional quality stereo to mono conversion require a special adapter

I know this is going to sound like a really stupid question, but here it goes... I have dual mono 1/4" jacks for the main output from my soundboard. I currently, only have the left side being sent ...
3
votes
2answers
326 views

Jecklin Stereo with Lavs?

Has anyone ever set up a semi-Jecklin-Disc-style stereo rig with two omni lavalieres with sound-absorbing material in between? I suspect that a lot of us are perfectly aware of binaural recording ...
2
votes
8answers
241 views

What is the best way to mix when you have a cold?

I have a cold actually its been going on for almost a week. How do you do a mix when you have a cold?
2
votes
3answers
226 views

What's the next best stereo configuration to M/S?

I'm getting ready to go out and capture some sounds for a possible boutique library and would like to survey you all. I have MK41 and MK5 capsules, a KMR81i, many dynamic mics etc. but no really good ...
2
votes
7answers
2k views

Looking for a good but cheap hardware mid-side decoder.

I currently have a DIY M-S decoder, which is very noisy and the stereo image is wrong. The mid is much lower than it should and the sides are overbearing. Basically, it is impossible for me to monitor ...