Create 2 stereo tracks from 2 mono tracks

If I send a FCP sequence to a STP mulitrack project it opens with a left channel (A) as the on camera mic and the right channel (B) as the wireless mic. Since I want both to come through both channels I assume I should make the edits/corrections on both, then insert 2 new blank tracks. I'll then copy/paste each of the previously mono tracks so I have 2 stereo track, right and left A and right and left B. Does this sound correct or am I missing something here?

No. One work around would be to create a stereo sub mix channel, this would at least give you a single fader but it won't help you when editing. You could try grouping the video and two audio, then they should be easier to select.

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Two mono tracks to create a stereo tracks

I have a series of piano music a cousin made, but it is all mono. Is there anyway to double the mono track to make a stereo track for CDs?

Yes, you can fake a stereo recording. Duplicate the track, option-drag the region into it, then offset it slightly from the original, and finally pan one track left some, and the other right some.
--HangTime [Will Compute for Food] B-|>

Cant create rewsire stereo track

Hello all and thanks in advance for any input in the following matter.
Well- I just hooked up plogue bidule as a reiwre to my logic ( 7.1.1) and the outputs doesnt appear as a stereo object.I just dont see the little circle that allows you to switch mono/stereo.It is annoying cause I can use 2 mono tracks instead and pan them in oposite direction but it is lessconvininent and takes more screen space.
I have to say that I opened the session from another studio on my computer and the problem wasnt there.I had both sessions opened at the same time.
I appreciatee the feedback!Thanks a lot!

The waveform overview for stereo tracks looks like it is mono, but is not. It actually shows left and right rectified. Left at the top and right at the bottom.

IPhoto or Final Cut bug: export creates 19 stereo tracks attached to file!

I am exporting three slideshows from iPhoto '08 to Quicktime to be placed in a Final Cut Pro project. The first two exported fine. The longest one (just over ten minutes) exports and plays in QuickTime, but when you import to Final Cut, it mysterious has 19 stereo tracks attached, and won't play unless you remove all of those tracks (hence, no music) Again, the shorter two come in just fine with one stereo pair, as you would expect.
I installed the iPhoto update, tried again, still the same thing...

Ryan:
Is it just that one particular slideshow or will any slideshow exported and imported to FCP display that problem? Also, if you have Quicktime Pro, open the problem file with it and check to see if if contains those 19 tracks. If not, then maybe FCP is causing the issue.
Do you Twango?
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've written an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. It's compatible with iPhoto 08 libraries. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

From 2 mono tracks to 1 stereo track

I have 1 video clip and 2 conected audio tracks.
How can i create 1 stereo track from the 2 splitted mono tracks?

No. One work around would be to create a stereo sub mix channel, this would at least give you a single fader but it won't help you when editing. You could try grouping the video and two audio, then they should be easier to select.

How to create 5.1 from stereo tracks

So here's the instructions I was able to find to use Waves UM plugin, which creates 5.1 surround output from a standard stereo track in Logic:
1. Place your stereo file on a stereo track.
2. Assign its output to the surround output or bus as required.
3. From the Insert menu, choose UM226.
*Please note that Logic must be set to Universal Track Mode - On
The problem is, this is my very first project in Logic, and I have no idea how to do step 2. Can someone give a total n00b a step by step?
Thanks.

Here's a quick and dirty way to surroundize a mix, but you have to be careful and monitor it properly and check for stereo/mono compatibility since that's how lots of people will hear it.
Take your stereo mix and change the panner to a 5.1 panner.
Change the panning so that some center channel gets filled in like so
!http://www.rdiv.com/screenshots/STP_51pannerFront.jpg!
Then add a buss with a (let's say) Platinum reverb. Add a send to your stereo channel that feeds this buss. You should have a setup something like this.
!http://www.rdiv.com/screenshots/STP_surroundized.jpg!
Change the buss panner to 5.1 and shift it to the rear a bit.
!http://www.rdiv.com/screenshots/STP_51pannerRear.jpg!
Oh did I add that you need to monitor this properly and check for how it will downmix back to stereo and mono? Keep the reverb tasteful and short decay so that it doesn't make them sound like there in the bowels of the titanic.
There's also the better way to do it, with [TC Unwrap|http://www.sweetwater.com/store/detail/UnwrapP>, however it's only available for Protools TDM or PowerCore.
hth, jim

Making two mono tracks from one stereo track?

I've used the M-Audio MobilePre USB device to record vocal and guitar at the same time. In GarageBand, this inputs as one track, with guitar on the left channel and vocal on the right.
I'd like to separate this one stereo track into two mono tracks for further mixing and editing.
Any ideas on how to do this?
Thanks!

therealkenrg wrote:
I'd like to separate this one stereo track into two mono tracks
http://www.bulletsandbones.com/GB/GBFAQ.html#stereotomono
(Let the page FULLY load. The link to your answer is at the top of your screen)

Splitting stereo tracks to mono for separate editing?

Does anyone know of a way to split a stereo track into two mono tracks inside of Logic Pro 8?
I'll explain my problem, I have a track made from samples of a song. In the track that I recorded, there is one particular sound that I can't get rid of no matter how hard I try. I recorded the passage with the ESX24 in stereo and I noticed that the noise is only on the left track. My first solution was to pan the track all the way right, create a duplicate of that and pan it hard left. Unfortunately, it loses a lot of clarity and texture when I use this method..
Looking on the forums, all I could find was instructions to bounce the tracks to split stereo, but I need them to form separate tracks within Logic so I can apply a LowPass filter to the problematic left track, then mix them back together as one stereo track later....
Any suggestions?

You guys are talking about different things. The OP says he's using an exs24 instrument with a sample that has a noise on one side of the stereo field of a SAMPLE not an audio region recorded into logic. Samples used by the EXS24 are not added to the audio bin, only into the EXS24's RAM. You could pan the instrument track to the side without the noise, and then output the result to a bus track that is set to MONO. That will pan your one sided sampler back to center. You can also bring the sample into logic (using the browser) and then split it as eriksimon suggested, and then create a new EXS24 instrument using only the good side of the sample.

How can I extract the two channels from a stereo track?

Hi,
I am writing a class that is able to draw an audio signal. It seems to be working well but I have a question. If I load a mono audio file I am able to draw it on a graph by using the byte[] array and everything is ok until now. That's the code:
void Draw(byte[] x)
            Graphics g=getGraphics();
            Graphics2D g2=(Graphics2D)g;
            g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,                     RenderingHints.VALUE_ANTIALIAS_ON);
            for(int i=0; i<x.length-6; i++)
                g2.draw(new Line2D.Float(((i*(getWidth()-6))/x.length)+5, (getHeight()/2)-          ((x*(getWidth()-6))/x.length), (((i+1)*(getWidth()-6))/x.length)+5, (getHeight()/2)-     ((x[i+1]*(getWidth()-6))/x.length)));
The results is correct only if I have a mono track. Obviously when I get a stereo track the array becomes very large so here the question. How can I extract the two audio channels from a stereo track?
Thanks in advance.
Maurizio Di Vitto

A mono audio stream is stored [sample, sample, sample, sample], so just a list of samples in an array.
A stereo sample is interleaved in the same manner, so you get [left-sample, right-sample, left-sample, right-sample]
So every nth sample is the 1st channel, every nth+1 is the 2nd channel...

Export mixdown of several stereo tracks as one mono track

How can I select a few stereo tracks in STP and export them as a single mono track? either back to FCP or as a standalone file?
Thanks!
Processor 2 x 2.8 GHz Quad-Core Intel Xeon
Memory 32 GB 800 MHz DDR2 FB-DIMM
Graphics NVIDIA GeForce 8800 GT 512 MB
Software Mac OS X Lion 10.7.4 (11E53)
Final Cut Studio 7
Oops, i posted this in the wrong discussion group. can this be moved to STP?

On the Channels Strip (of the Audio Track with the Audio Region), ctr+click on the left segment of the Input Button. That opens a popup menu where you can select Left (only the left channel of the Audio Region is played as mono), or Right (only the right channel of the Audio Region is played as mono).
Once the signal flow of the Channel Strip is mono (one channel), you can use the "Mono➤Stereo" version of some plugins to convert the Channel Strip to a stereo channel.
About your second question. If you are referring to the little blue "Catch Playhead Button", that automatically scrolls the Workspace when the Playhead reaches the right border to keep the Workspace visible. You also can also enable the "Scroll in Play" mode in the local View Menu. That one locks the Playhead in the center and scroll the Workspace "underneath"
However if you are referring to that little Play icon in the left upper corner of the Region Header (only visible in the Editor), that one, the "Solo Play Button", only plays that Region in solo mode. It is basically a combination of "Play " and "Solo" in on button. You can find all those little informations and much more in my graphically enhanced manual "Logic Pro X - How it Works".
Hope that helps
Edgar Rothermich
http://DingDingMusic.com/Manuals/
'I may receive some form of compensation, financial or otherwise, from my recommendation or link.'

How do i export 16 mono tracks in a sequence as 8 stereo tracks.

Hi I'll be working with 16 tracks of mono audio in Premiere to enable flexibility with my audio edits but when i export i want to make those 16 tracks as 8 stereo tracks, as this is what our specs for TX are. So 1&2 will be stereo track 1, 3&4 will be stereo track 2, 5&6 will be stereo track 3 and so forth... In FCP this is easy as you can link and unlink the audio in the sequence, and in the sequence settings audio outputs dictate whether it will be mono or stereo.
From what i gather i can edit in mono sequence then copy and paste into stereo sequence, however as the audio tracks are 1 track whether it is stereo or mono how do 16 fit into 8 when pasting.
Sorry in advance if i am missing something very easy here, but im pulling my hair out with this.
Thanks in advance
Jason

PP wil naturally send a track to two channels, even with a multichannel Master. So you can ruote the tracks in the Mixer window.

(True) "Real" Stereo tracks converted to Mono after 5.1 update

Hello:
I have true stereo (as opposed to dual/centered mono) vocal and guitar tracks included in my most recent project. When I played everything back yesterday I noticed that all the "real" instruments had been converted to mono. I checked the source AIFF files and discovered they are still stereo. I typically record multiple vocal tracks and the export the resultant combined vocals (mono) and clean things up in Amadeus Pro. I often split the track, offset one channel, merge the channels and save the now-stereo file which gets imported back into GarageBand. This saves me from having literally hundreds of iso vocal tracks to deal with and it also opens up the vocals by spreading them across the stereo image.
The unwanted stereo to mono conversion has happened once or twice the past and I've never really figured out a remedy other than reimporting the AIFF files.
I was simply curious if anyone had experienced this phenomenon before and discovered a fix before I began the task of reimporting the stereo tracks. Btw, earlier versions of the project were unaffected by the update (if indeed it was the 5.1 update that cause the problem)—so it appears that only the current working project was altered.
Thanks!
~Huck

I discovered I had only one option (mono) until I unplugged my Mbox and selected System Setting as input source in GarageBand. At that point, stereo became available as a option and I went track by track enabling stereo playback. Thank you very much for your assistance! While I'm not entirely certain why having my Mbox selected as the input source changed all my "real" tracks to mono, at least I don't need to go through the hassle of re-importing the source material. I need to use the Mbox for guitar and bass tracks, so hopefully this was a one-time oddity.
Again, thank you for your help!
~Tom

Importing Stereo File to Two Mono Tracks?

I have a stereo audio file. I'd like to put it into GB2 with one side of the stereo file as one mono track and the second side of the stereo file as a second mono track.
Is there any way to do this?
Thanks,
Leon

Leon, Here is a file explaining what Monomaker does.
Monomaker is a simple mono-merging and stereo-recentering utility plugin.
You can use the mono merge parameter to progressively merge your stereo audio channels into a single mono signal. Turning mono merge all the way up to 1 will make your sound completely mono. Turning mono merge all the way down to 0 will leave your audio unaffected.
You can then recenter your signal using the pan parameter. The panning is equal power (meaning that as you move further over to one channel, sound from the other channel is copied over to the first channel in order to keep the total volume consistent).
Also, in case it's useful, you can re-route the 2 input streams in a variety of ways by using the input selection parameter. "Left-right" means that everything is normal, "right-left" means that the left and right streams are swapped, "left-left" means that you lose the right stream and get the left stream copied to both inputs, and "right-right" means that you lose the left stream and get the right stream copied to both inputs.
Monomaker's signal path is input selection first, then mono merge, then pan.
I have just downloaded it myself and have not looked at it yet. I apologize in advance for not checking it first before posting it. It may or may not help you, and I do not know if it works in Garageband.
Here is the site I got it from
http://smartelectronix.com/~destroyfx/audiounits.html

OMF importing Stereo Tracks are Seperate Mono?

Hey guys,
When you import OMFs into audition, each stereo track from FCP comes in on a seperate mono track. How do you make the 2 tracks that were originally stereo in FCP stereo in Audition so you dont have to make the same edit to the two seperate mono tracks every time? This is killing me.. Im reading about this mix pasting idea and making a new stereo file but I have to do this for every track that is imported into my multi track project?? I'm so confused. Anyone got any tips?
Thanks,
CRK Productions

CRK Productions wrote:
As for mixing though in Audition, I have to make the exact same edit to both tracks? Im in CS 5.5. So if I keyframe one of the tracks from the "stereo pair" I have to go up and add another keyframe and mimic my edits to the other track? There is no way around this?
Yes, this is a bit of a snag... and one that for a completely different reason I ran into myself recently. The best solution I've come across so far (because it's free, and does exactly what it says it will) is Sound Devices' WaveAgent. Essentially, if you can easily decode into mono wav files, it will pack them into whatever format you want, all as one file. I use it to encode four mono files into one four-channel R64 file, which means that when you import it into Audition, it does exactly what you want - all edits occur on all four channels. It would do just the same for stereo.
Sound Devices - WaveAgent

Change stereo tracks to mono?

I accidently recorded 3 vocal tracks in stereo. Is there a way to change them to mono without having to re-record them? They only come out of 1 speaker now no matter what I do.
I'm in GB3.
Thanks in advance
Randy

First, I didn't mean to be rude, hence my preface "I don't mean to be a dick...". I just didn't want to hear the same wrong answer over and over. It doesn't work, try it.
Second, I recorded the track with an SM58 (mono mic)plugged into an M-box FW Solo (mono interface).
The track shows up as stereo but I only get sound from the right. There are 2 level meters (left & right) in the mixer column. One meter shows activity, one meter does not. I must have accidentally had the input set to Channel 1 & 2 (stereo) when it was recorded. Changing it to mono only affects subsequently recorded tracks, not tracks that are already recorded.
I want to know how I can take this stereo track and change it to mono so I can get sound from both left and right.
Thanks

Create 2 stereo tracks from 2 mono tracks

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