Left & Right audio channels not linked...

I upgraded my system and had to re-install FCE from scratch and (of course) I lost all my system preferences and filters & such. My one annoyance now is that my audio channels (L & R) are now independant of one another -- if I lower one, the other remains unchanged and then I have to go lower it as well. Is there any way to re-link the two audio channels together? It was like that on my old system.
Thanks.

That much I figured out -- is there any way to make that a permanent setting when I capture? That's the part that's escaping me. Thanks for your help, BTW.

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How to Set Left/right audio channel while Video playback

how can I controlling the left / right audio channel while video playback, I can't find any method or class for this in JMF, anyone that can direct me how to do it?

The way I found to control two stereo channel is to implement a plug-in Effect that will control two volumes (left/right) indipandently.
You can start from the example GainEffect from sun, and implement your control.
For eample, if you want to mute the left channel, simply set to 0 all the odd samples (or even...I don't remember exactly, try it).
You have then to add you plug in to the processor chain... again see the examples.
More complex effects (panning etc) can be done in the same way, but it seems to me that it's quite CPU intensive.
Bye
Marco

My ipod's music quality is inferior. It doesnt have the surround sound/ left and right audio channel unlike my brothers ipod? is there a problem with the chip?

I have an ipod touch 4g (8GB), I got this about 2.5 months ago, the same time my brother get his. My problem is that I noticed that audio quality is better on his device than mine. I have been listening to music and had different music devices before (non-Apple product and mobile phone) and the quality of music is better when I used to listen to those devices as well as my brother's ipod touch. Im referring to the left and right audio channels. Im not so good about the technical stuff but the best explanation I can give you is in a music or a movie, there's an effect wherein you can here a sound only at the left ear phone/speaker that you cant hear at the right earphone/speaker. I mean for example in a song, a guitar intro can be heared only at the left
ear while the background music plays on the other ear. Or when theres and echo effect on the song that alternates sound on the left and right ear. I hope youre getting what Im trying to say. Im bothered that my ipod is fake or has an internal problem on the chips or something because I didnt bought this at an Apple Center/Mac Center. I bought it on a retailer. I am not able to visit any store or Genius Bar or contact an apple specialist through phone because of my work schedule and work load. I have contacted the retailer before when I tried to return it for replacement or repair but he told me that it is under Apple's warranty, not theirs. I do hope that I can get a help from you because I want to really enjoy my device. Thank you and Im looking forward for the responce/assistance form you.

I suggest you don't apply pressure to the screen - it's a Touch - you touch the screen not push it.
Phil

How can I separate Left and right audio channels in labview 8.5 tia sal22

How can I separate Left and right audio channels in labview
8.5 tia sal22
Greetings All
I have a working Labview vi that converts a math formula to an
audio signal. I would like to have the
right and left audio channels playing different math audio signals is this
possible?
Example
Right channel -> plays the audio signal created by a math
formula
Left channel -> plays the audio signal created by another
math formula with adjustable phase control
I’ve included a VI with a working audio and math formula but
I’m not sure how to separate the left and right channels.
I’m using labview 8.5
I looked up a similar question on the
support board and it said” use an instance of the the Sound Output Write that
has a 1D waveform data type input (i.e. Sound Output Write (DBL)). Each
element in the array would correspond to a channel.”
But I’m not exactly sure what he meant. I’m using a formula to generate the wave file
Tia sal22
Attachments:
fixed mathscript formula to sound test.vi ‏680 KB

Sorry it took so long to get back. Here's the new VI with it splitting out the left and right channels.
I'm using a Gigaport HD 8 output usb audio device but I'm experience clicks and pops. I increase the buffers
but I still get the clicks and pops. I know gigaport HD can use ASIO drivers which most likely would solve the problem but one needs to code in C for this which I'm not proficient in. Can someone recommend a work around to prevent this clicks and pops, can I somehow change my VI to fix this? Does anyone have a VI that will allow access to the ASIO latency properties?
I'm using labview 8.5
And a gigaport HD which is a USB audio device which outputs 8 analog signals (it is ASIO compatible)
tia sal22
Attachments:
lvt_audio_realtime-out left right device ID test.vi ‏68 KB

The right audio channel is no longer heard after effect assignment in the timeline

Sorry, but my English is not so good, but I try to explain the problem:
Once I clip any one assigns an effect in the timeline, works when playing only the left audio channel channel. Once I pull the clip from the timeline into the project window again, then works again the left and the right channel. How do I get the right audio channel in the interface window active again?

When I look at the properties of the file in QuickTime, here's what it shows:
DV/DVCPRO - NTSC, 720 x 480 (640 x 480)
Linear PCM, 16 bit little-endian signed integer, 32000 Hz, Left
Linear PCM, 16 bit little-endian signed integer, 32000 Hz, Unused
Linear PCM, 16 bit little-endian signed integer, 32000 Hz, Unused
Linear PCM, 16 bit little-endian signed integer, 32000 Hz, Unused
Why it's telling me the other 3 channels are unused, I have no idea. They certainly are getting used. The footage was shot in stereo and Final Cut plays it in stereo.
Here's what VLC says about the very same file:
Stream 0:
Type: Audio
Codec:PCM S16 LE (sowt)
Channels: Mono
Sample Rate: 32000 Hz
Bits per sample: 16
Stream 1:
Type: Audio
Codec:PCM S16 LE (sowt)
Channels: 1
Sample Rate: 32000 Hz
Bitrate: 512 kb/s
Stream 2:
Type: Audio
Codec:PCM S16 LE (sowt)
Channels: 1
Sample Rate: 32000 Hz
Bitrate: 512 kb/s
Stream 3:
Type: Audio
Codec:PCM S16 LE (sowt)
Channels: 1
Sample Rate: 32000 Hz
Bitrate: 512 kb/s
Stream 4:
Type: Video
Codec: (DV Video (dvc)
Resolution: 720 x 480
Frame Rate: 29.970030
Decoded Format: Planar 4:1:1 YUV

Right audio channel

I've had my Lumia 822 for a month, just paid first phone bill, and today my right audio channel has quit. It's not in headphones or on phone music speakers. Would this be a software or hardware issue? I was sold on this phone til today. If possible, is this something I can fix myself.

hi mate,
have you checked that there is no dust in your headphone jack or that the headphone jack assembly has not received any physical damage? also check that you are up to date with all the latest Nokia system app updates from the Store, and that you have the latest firmware installed on your device. failing that, try performing a soft reset (pressing the volume down and power buttons together until the phone vibrates).

Left and Right audio channel

I have a video clip that has two different sound track on each channel, one on right channel and one on left channel. So when I play normal both sound track come up on the same time. In Window platform, I can change the speaker output into either left/right to isolate one channel, but how can I do this in Mac OS? I tried the one in system preference, it didn't work, when I switch it to right channel, it just played both sound track from the right speaker, but not isolating the right sound track. Please help.

In your Applications/utilities folder is a program called AudioMIDI setup.
Just move the slider of the channel you want to mute.

Left right sound channels

Is there any way to get iTunes to play only from the left or right stereo channel. I've bought some musical play-along CDs which have the melody on the left and the background on the right. If I play only on the right I can practice soloing over the background sound.
Thanks

Not any sophisticated way. If you use external speakers you could disconnect the one you don't want. Otherwise you may have to open the audio in an editor such as Audacity or Amadeus Pro and fiddle with it there.
One other thing occurred to me. Check out Amazing SlowDownerX. It's geared towards playing along with songs so maybe it does that too.

A2 Audio track not linked or patched?

I'm really stuck on this ... I'm capturing 720/25p and 50p footage from my JVC GYHD201 onto my Mac Pro. For some reason it will only capture one channel of audio, even though there is clearly two discrete channels (CH1 - Top Mic. CH2 Radio Mic) The capture settings are correct (set to 2 x mono and not stereo linked) and even more confusing is my Mac Book Pro can capture the footage and the two audio channels.
I can't see any other settings that would force FCP not to import both audio channels from the camera?
As always, any help very gratefully received.

Took a hint from another post that preview does not always work. This is the first time I have had this problem, but I usually come to Encore by way of export from PPCS3. I built to folder and it played like I wanted with software. Now I will finish the project and feel confident that it will work.
Just in case anyone is reading this, I had another error that it took me a few minutes to figure out in this project. The default location for chapters was too close to the beginning of a chapter and that chapter would not play even though the build check said there were no errors. I hope some of these problems are not in CS5.
Bob

N78 keypad left/right keys sometimes not respondin...

Hello there ...
I faces some problems with the left/right Selection keys.
they sometimes and for no reason don't respond, first i thought it is a problem with the keypad itself, so by pressing a little harder it would do the trick, but that's not the case.
this bug occured in several applications/places.
i have the latest firmware:
Software Version: 12.046
Software version date: 25-06-2008
Custom Version: 12.046.051.1
Custom version date: 25-06-2008
Type: RM-235
Latest Update: 24/2/2009
Nokia n78-1 RM-235
product code 0514523
firmware 30.014

thank you for replying...
the latest version for my region is already installed.
there is another problem which i forgot to mention, it's very annoying too!
the right key most of the time goes to the main phone screen when i press on it to go back/cancel when inside any tool/application or webbrowser.
sometimes it just behaves like the Hangup button when pressed!
is this a software problem ?
or may this be a faulty keypad ?
thanks in advance!
Nokia n78-1 RM-235
product code 0514523
firmware 30.014

Left and right audio channels in clips not balanced.

One is louder than the other. How do I make them the same or is it a problem with how it came in? They are in stereo mode but the waveform shows one lower than the other.

Select the clip in the timeline and open the audio tab in the inspector. Under the audio configuration label click the drop down arrow at the right and change stereo to dual mono. Go back to the timeline and right click the clip and select expand audio components. You can them change the volume of the two audios independently. After adjustment right click the clip again and choose collapse audio components.

How to separate left and right audio channels?

I've imported some AVCHD footage that had audio recorded separately to each channel, left and right. When I put a clip in my timeline, I can separate the audio tracks, but I can't edit them individually. When I bring down the level to 0db on one track and play the clip, the audio meter still shows equal levels on both left and right channels. Any advice?
Second question - I transcoded some AVCHD footage to MP4 and can't figure out if the audio tracks remain separte after the transcoding. I used Free MTS M2TS Converter to do the transcoding. While I can choose 'dual mono" for an AVCHD clip, I do not have that same option for the MP4 clip. It offers me "6 mono" but not dual mono. Any advice?
My concern is that when I provide my clients with raw MP4 footage with right and left audio recorded separately, that they'll be able to edit each track individually.
Thanks!

Thanks Tom. I recorded 2-channel audio, not 5.1 surround. Six mono was only an option on the MP4 clip. I did change the channel configuration from stereo to dual mono on the AVCHD clip, but I still wasn't able to edit the audio independently. Even when I mute one track, the audio meter still shows equal left and right levels.

Left / Right audio out of sync on some files

I'm working on an indie film project and audio was captured on a ZoomH1 and Rode Shotgun mic. We ingested the audio onto a 27" 2011 iMac workstation (Mavericks, 3.4 GHz Intel Core i7, 32 GB 1333 MHz DDR3, and AMD Radeon HD 6970M 1024 MB) and found that left and right were apparently out of sync somehow. That was strange as I have never had a problem like this before, even with the recording equipment we were using, but stranger than that, I handed the files off to an audio engineer who said there wasn't anything wrong with them. They sounded fine. So we sent them around some other places, and they all said the audio was fine.
So I kept testing and I find if I select "Play stereo audio as mono" under accessibility options, I get a ghost track that doesn't seem to actually exist in the file. Like there was another microphone recording in the next room so we can hear lots of room noise and some very, very faint dialogue and a subtle kind of rhythmic beat. Like the dryer was on somewhere. Whatever the case, I can't find any evidence of this audio track in the actual file.
So, the engineer did some mastering of some kind, running it through pro tools, and sent it back to me. And low and behold, they're still sounds out of sync. Like there's a bad echo. A little more tinkering, I find it only happens with these few files, and only when plugged into the audio out. Still no problem on any other Mac or PC. Just this one.
I can't tell if this is a software problem or a hardware problem. I don't even know where to begin. Google searching this topic is a nightmare. Any suggestions?

I'd be more concerned about the frame rate discrepancy.
I'd suspect a hardware problem. If the audio goes to a mixer and the video to a switcher there will almost always be a loss of sync unless a delay is put into the audio path. There's usually a two frame delay going through the buffer in a video switcher.

Odd clicking in right audio channel

Several months ago my mini started making this very annoying clicking but only in the right channel. I re installed os x and it went away for a short while but soon came back. Any idea what may be causing this? Its pretty annoying and I'm pretty sure that it is not a hardware issue.

hi mate,
have you checked that there is no dust in your headphone jack or that the headphone jack assembly has not received any physical damage? also check that you are up to date with all the latest Nokia system app updates from the Store, and that you have the latest firmware installed on your device. failing that, try performing a soft reset (pressing the volume down and power buttons together until the phone vibrates).

Safari 5.1 hotkeys with left/right arrows are not working!

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I ran into the same issue.
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Left & Right audio channels not linked...

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