Changing audio channels, can it be done?

Hi,
I've been supplied several video clips in DV/DVCPRO - NTSC, 720 x 480 with two audio channels - 16-bit Integer (Little Endian), Mono, 48.000 kHz
Both channels are set to 1 with the assignment set to Mono.
If I play the clip in QuickTime Player then I can hear a mix of the two channels, if I try importing it into Final Cut then I only get one channel.
I'm guessing that its the channel id that is causing the issue as they are both set to channel 1, does anyone know of a way to change one of these to channel 2?
Thanks, Alan.

Open the .dv file with QuickTime and then open the Movie Properties window.
Highlight the audio track and click the Audio Settings button. You'll see the track assignments in the lower right.
Use Save As if you edit any setting.

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Changing audio channels

Hi there...
Someone edited a sequence for me in Premiere. The audio was recorded 4 channel on a external recorder (four mics were used).
At times, he used the wrong channel in the timeline. I believe what he did was take all the channel one audio and put it on the timeline and deleted the other 3 channels. Hence In many cases, using the wrong mic.
IS there a way to swap channels in the timeline?
I would almost need to do a reconnect, but swap channels at the same time.
I'm posing here because I use FCP and will convert this to a FCP sequence using 7toX.
Steve

Update...
I now moved the project to FCP X.
Obviously, I still have the same issue

Missing one audio channel from MXF video

Greetings,
I have a bunch of footage shot with a Canon XF300 camera. Two wireless lav mics were feeding into the camera. On the day, I was monitoring audio and am 100% certain that it was recorded correctly. I found a couple of unerased CF cards from the shoot and was able to verify that the audio is good when I pop the CF card into the camera.
However, when I transfer the footage to hard disk and attempt to play it out using either Premier Pro CS5, or VLC, I'm losing channel one of the audio. I've been attempting to troubleshoot, and have found a couple of references on the Web regarding missing audio channel 1 from MXF video files -- but nothing that is relevant to this situation.
I'm on Mac OS X 10.6.6 and am running Premiere Pro CS5 5.0.3. No video cards.
I've tried bringing the files in using: Finder, XF Utility and ShotPutPro. I'm copying the complete directory structure in all cases.
Has anyone seen this problem before? Any troubleshooting thoughts?
Thanks,
Cameron

It turns out that the MXF files are coming in with 2 mono audio tracks, and for some reason, in the clip viewer, one of the audio tracks doesn't play, but if you move the clip to the timeline, both audio channels can be heard. Ran into the same issue with Cineform encoded material coming in with two mono audio tracks. So I'm going to file a bug report.
Ah, OK... now I understand. No need to file a bug report; maybe a feature request, but a bug report isn't necessary. Here's why:
When you bring in clips with mono channels, by default, you only hear the first mono channel when playing back in the Source Monitor. If you toggle over to Audio Waveform view (click the Output button), you can select which of the channels (called "Tracks" which is a little silly, frankly) you want to monitor. Here's what this looks like:
This applies to any format that has mono channels. If you interpret the footage to stereo (you must do this before you use it in a sequence), you can listen to both channels at once. Of course, then you have to deal with the audio as stereo, which is not always what you want. That's why I do a lot of my editing with MXF material (primarily P2) that has multiple mic sources in a sequence, where I can monitor more than one source channel.
In any event, that's why this isn't really a bug; it might be a poor design decision, but it's otherwise working correctly. I'd definitely suggest making a feature request for a "Mixed" or "Plus" audio source option in the Source Monitor. I'm going to do the same.
Anyway, I hope that helps explain the issue. Good luck!

HT5958 Audio prevents relinking to original media -- can I manually change the number of audio channels for a video clip?

I recently updated to Final Cut X 10.1. I had a project for which I was heavily editing the audio, so I was using the "detach audio" feature and in some cases deleting the audio track. Now, when I try to go into the timeline and relink the movie files (which weren't linked automatically after update), the original media won't relink because "the original file didn't have audio, but the new file does."
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Thanks for the responses, guys. I guess I wasn't really all that clear. Something to do with FCP 6 and the Kona III card is telling FCP to set up each project with 16 channels of audio - and ONLY 16 channels of audio. Anywhere that there is a drop-down or check box, the drop-down or check box is either grayed out or only provides choices centered around 16 channels of audio. So, for example, let's say I go to the "Capture Presets" tab under "Audio/Video Settings" and click on "Edit" to modify the current preset. Under "QuickTime Audio Settings," I select "AJA Kona" as my device. Then, under the "Format" drop-down, I have four possible audio formats to choose from - ALL of them showing 16 channels (e.g. - "48.000 khz 24-bit 16-channel"). Nowhere is there an option of selecting, say "48.000 khz 24-bit 2-channel." Everything under every tab specifies 16-channel. So, as a result, I can't tell it to disable the fourteen tracks that I'll NEVER use. I even tried starting with the "Generic" settings tab, used to create your own presets, and even that would ONLY allow me 16-channels - and I couldn't over-ride it!
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Hope this helps clarify...
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How Do I Change The Number Of Default Audio Channels for Log & Capture

We just upgraded from FCS 1 to FCS 2. And, at the same time we upgraded from Kona II le cards to Kona IIIs. Here's the problem: we work almost exclusively with digital-based video formats where the audio is encoded into the video signal. Something with this new set-up appears to be causing FCP to "assume" that there are 16 audio channels coming into the project (I'm guessing because the Kona set-up offers "16 channel embedded audio" as the only embedded format). Worse, there doesn't appear to be any way to tell FCP to change the default. In fact, the only apparent way to change the number of tracks being ingested is to go in and manually turn off all 14 of the unwanted audio tracks. It gets to be VERY time consuming. There's got to be an easier way of resetting the default tracks.
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Thanks for the responses, guys. I guess I wasn't really all that clear. Something to do with FCP 6 and the Kona III card is telling FCP to set up each project with 16 channels of audio - and ONLY 16 channels of audio. Anywhere that there is a drop-down or check box, the drop-down or check box is either grayed out or only provides choices centered around 16 channels of audio. So, for example, let's say I go to the "Capture Presets" tab under "Audio/Video Settings" and click on "Edit" to modify the current preset. Under "QuickTime Audio Settings," I select "AJA Kona" as my device. Then, under the "Format" drop-down, I have four possible audio formats to choose from - ALL of them showing 16 channels (e.g. - "48.000 khz 24-bit 16-channel"). Nowhere is there an option of selecting, say "48.000 khz 24-bit 2-channel." Everything under every tab specifies 16-channel. So, as a result, I can't tell it to disable the fourteen tracks that I'll NEVER use. I even tried starting with the "Generic" settings tab, used to create your own presets, and even that would ONLY allow me 16-channels - and I couldn't over-ride it!
So far, the only way I've found to work around this is to manually go in and turn off the little green nodes indicating which audio track(s) you don't want to capture. The problem is, every time I have to do this, I'm manually turning of FOURTEEN audio channels.
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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
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I'm using a Gigaport HD 8 output usb audio device but I'm experience clicks and pops. I increase the buffers
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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
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lvt_audio_realtime-out left right device ID test.vi ‏68 KB

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Changing audio channels, can it be done?

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