Capture Prob -- only capturing one channel of sound

I'm capturing hdv, as I always do, but for some reason I'm only getting one track Mono A1 of sound. When playing back or capturing, I am hearing both tracks, left and right, playing through my speakers.
But when I capture, I only get one track. I need the second track because I had two mikes and two separate channels coming through.
Any suggestions on what I can do? Can't figure why it's only capturing one side of audio... Thanks.

re: the decklink comment - that was directed to the thread jacker ... lol.
re: cloned system drives. Updating does not create a clone automatically. It is something you have to do. In the interest of locking the barn door after the paddle has been lost upstream - get a firewire drive as large as your system drive. Download a copy of Carbon Copy Cloner (shareware) and when your system gets working again, Clone the working drive to the firewire drive. This is your insurance when you update the OS, QT and/or any of the FCS pro apps.
Once you have a clone, if your update goes wrong, you can copy the clone back over the bunged installation and be back up and running within an hour or so.
Regarding FCP 6.0.4, perhaps someone archived a version (or you can find it on the FCP updates page). If you use Software update, it will want to install the most recent version.
x

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Sequence only has one channel of sound

I have a few sequences that I have added to a master sequence and only have one channel of sound in the master sequence.
In the actual sequence of each sequence that was added I have 2 channels of sound.
What would correct this issue?
Or does cut and paste everything in each sequence into my master sequence work better?
David

re: the decklink comment - that was directed to the thread jacker ... lol.
re: cloned system drives. Updating does not create a clone automatically. It is something you have to do. In the interest of locking the barn door after the paddle has been lost upstream - get a firewire drive as large as your system drive. Download a copy of Carbon Copy Cloner (shareware) and when your system gets working again, Clone the working drive to the firewire drive. This is your insurance when you update the OS, QT and/or any of the FCS pro apps.
Once you have a clone, if your update goes wrong, you can copy the clone back over the bunged installation and be back up and running within an hour or so.
Regarding FCP 6.0.4, perhaps someone archived a version (or you can find it on the FCP updates page). If you use Software update, it will want to install the most recent version.
x

FCP only capturing one channel. what's up with that!?

in FCP 7 while i am logging and capturing HDV footage off of my canon XLH1, only one channel of audio is captured. originally the audio was shot using 2 separate channels, in fact, i can hear both channels playing back (each on their own sound level/they are not mixed) while the capture is happening.. but when i'm done, FCP has only captured one of the channels.
how can i resolve this problem?

in my capture bin, after i've captured the clip, it shows that only one audio clip was captured. when i drag it into the timeline, only one audio channel is present.
my lost channel was on a wireless mic, as was the saved channel.
fcp is only capturing one channel even when i log other tapes that did not have separated audio channels.
i'm guessing there is some setting that is now off while i capture, because it used to capture audio just fine last week.

Why only one channel of sound in sequences? Please someone try this quest

When I add a sequence to a sequence, I have only one channel of sound but, when I open that sequence I have 2 channels of sound.
Is it a sequence setting and if it is I see:
outputs 2
downmix 0
grouping: Stereo selected
Dual mono not selected.
I swith these around a bit but get no change.
My raw footage say "2 Mono" from my Sony DSR PD-150 at 16 bit, 48 khz.
I usuall use one channel for camera sound and 2nd channel for mic.

the number of audio channels that your nested sequence will contain is the same as the number of audio outputs you have selected for that sequence ...
for example, if you create a sequence with 10 tracks of audio, but have only set the sequence to have 2 audio outputs, then when you nest that sequence the nest will have only 2 tracks of audio ... change the audio outputs to 4, or 6, or 8, or 10 etc regardless of how many tracks you actually use, and the sequence, when nested, will have the same number of audio tracks as the sequence has audio outputs
... ok, so that explains the relationship between audio outputs and the number of tracks of audio that a nested sequence contains
so why are you getting only one channel of sound when you edit it in to another sequence? my guess is that you are only patching 1 channel ... load the source sequence into the viewer (drag and drop), now check in the patch bay area at the left of the timeline window to make sure that your a1 to A1 and a2 to A2 connections are not broken ... and edit it in.
cheers
Andy

Computer only plays one channel of audio

I use an HP Sleekbook 14 PC and recently it stopped playing out both channels of audio. I only get one channel. Any easy fixes?

Hello, @festerdude
Welcome to the HP Forums.
It appears you've lost audio. I will try to help you with this.
No Sound from the Speakers (Windows 7)
No Sound from Speakers (Windows 8)
Follow the document for the version of Windows installed on your notebook.
Make sure that you've updated the drivers, use the HP Support Assistant for this.
Please let me know the results and if you run into any issues.
Thank you for posting on the HP Forums.
I worked on behalf of HP.

Only getting one channel of audio with mic HELP

I had been using Garageband with the built in mic to do my podcasts. I just got some real gear.
Here is what I got... M Audio USB fast track, MXL V63MBP running on 10.3.9
I am only getting one channel of audio through the mic. I have the settings on the mixer right and I have gone in the sound preferences and made sure it was right.
On the track in garageband, I made sure that the real instrument settings were set to Stereo. I have been messing around with this thing for an HOUR and I am still only getting one channel of audio. I've done everything I've been able to come up with in google and still nothing works. If anyone has any ideas ,that would be swell because I'm beginning to think that the crappy built in mic on my mac is looking really good about now.

You're welcome.
The common confusion is that 'Stereo" means two speakers and "mono" means one. Stereo actually means two different signals going to the two speakers. Since a Mic is a mono input device, you set the track to mono so that the same sound comes out of both speakers. Enjoy --Hang

Waveform Chart only shows one channel or combines both channels?

Hi,
I have 2 analog input channels and data was obtained by sampling at 500Hz and saved into a text file.
Can any one take a look at my VI and tell me why I am either only getting one curve plotted in the Waveform Chart or it's simply a combination of both of my inputs?
Thanks.
hellolv
Attachments:
FILE_3.vi ‏48 KB

Hey hellolv!
The issue you are seeing is actually a pretty common one. For a chart to update two plots the input to that chart must be a 2D array. Basically this means that all you need to do is insert a Build Array function right before the chart. I coded a quick example that does this for two random numbers in a while loop.
If you have questions I might suggest that you implement this in LabVIEW. You could also check the Context Help (Ctrl+H) and the Charts.VI in the Example Finder (Help » Find Examples).
Hope this helps!
Andy F.
Message Edited by Andy F. on 05-01-2006 12:15 PM
Message Edited by Andy F. on 05-01-2006 12:15 PM
National Instruments
Attachments:
2DPlotWaveformChart.Png ‏5 KB

Stereo tunes only play one channel and Internet hangs after 4.21 Install

My daughter recently updated her 2nd Gen iTouch to 4.21 which I assume is an operating system. On stereo tunes, now only one of the stereo sound channels plays (right side). On older monaural songs, both right and left earphones produce sound. Also, Internet hangs now after initial home page load. How do I either roll back to an older version of the OS or get fixes for 4.21?

http://www.thehangtime.com/gb/gbfaq2.html#leftspeakeronly

Trigger and Gate Only Returns One Channel

Hello all,
I am trying to write a VI that will run in the background and start writing some data to a file when it detects a signal. For detecting the signal, the VI uses the "Trigger and Gate" express VI to see when the input voltage goes above a treshhold. Then I plan to write whatever data comes out of the "Triggered Signal" output.
There are 8 channels, with the 6th one being the channel that is being checked for a signal. I have configured the "Trigger and Gate" express VI to trigger when that channel reaches 0.01 V and it does trigger when that happens. However the problem is that the "Triggered Signal" output only contains data for the first channel, and I want it to contain all of the channels.
I don't have access to the device that will be sending the data right now, so I am testing the VI using the "Read From Measurements File" express VI. It reads from a file that contains data that I saved from the device previously. When I set the the "Retrieve segments of specified size" for the express VI, so I can see how it progresses, I get the error I mentioned above. When I set it to "Retrieve segments of original size" (the file contains only 1 segment, so it reads all data), everything works as expected.
Any ideas as to what I am doing wrong?
I attached the VI with some sample data.
Attachments:
data.csv ‏4834 KB
trigger-and-gate.vi ‏112 KB

Hi krizka,
There are two really good examples that can be found using the NI Example Finder (help -> find examples). These are under Hardware Input and Output -> Analog Measurements -> Voltage
Cont Acq&Graph Voltage-Int Clk-Analog Start.vi
Cont Acq&Graph Voltage-Write Data to File (TDMS).vi
These will give you a good start point. Please feel free to ask if you have any questions
Joe Daily
National Instruments
Applications Engineer
may the G be with you ....

IPad speaker only plays one channel

I have a 3rd gen. wifi iPad 16 gb and just updated to iOS 7. Listening to the Beatles (who often had some pretty extreme stereo mixes) over the iPad speaker, I realized pretty quickly it was missing an entire speaker channel. The Settings/General/Accessibility/Hearing setting is NOT set to mono, and moving the slider to the left causes all the sound to drop out, so the entire left speaker channel is muted. Anyone else having this problem or know how to fix it?

Hello there Floydmulder,
Thank you for using Apple Support Communities!
You went to the first place I would have by checking the Audio Accessibility options. Next, if you have not already, restart the iPad and try again.
Restarting your iOS device
Press and hold the Sleep/Wake button for a few seconds until the red "slide to power off" slider appears, and then slide the slider.
After the device has turned off, press and hold the Sleep/Wake button until the Apple logo appears.
From: iOS: Turning off and on (restarting) and resetting
http://support.apple.com/kb/ht1430
Then close all the running apps, restart it again, and test the issue.
Double-click the Home button.
Swipe left or right until you have located the app you wish to close.
Swipe the app up to close it.
From: iOS: Force an app to close
http://support.apple.com/kb/ht5137
And if the issue persists, I would backup and restore the phone with iTunes. First I would restore the phone as new, and test the issue. If it persists then that rules out software. If it works, then restore from your backup, and test again to see if there is something to do with the backup.
iOS: How to back up and restore your content
http://support.apple.com/kb/HT1766
All the very best,
Sterling

Sound only in One speaker

Got a new computer with VIA KT333 KT3 Ultra series and loaded on Windows 2000 professional. Everything works fine except can only get sound out of one speaker. Tried re-installing the audio driver. Tried all speaker configurations in control panel under multimedial. Tried three different sets of speakers. No warning in the system devices in control panel. Thinking the MB may be bad.

Hi,
A couple of generic things you could try, but might not apply to your specific mobo.
First, make sure that the plug is fully plugged in to the socket. Those 3.5mm plugs don't leave a lot of room for error, and sometimes a combination of the plastic on the plug and the metalwork surrounding the socket will prevent the plug from going in all the way. This is more likely to affect the right channel. (I assume that in trying 3 sets of speakers, there wasn't a common faulty lead involved).
The second thing to look at depends on your computer setup. Many (but not all) MSI mobos have a 10 pin header called (for example) Front Panel Audio Connector: JAUD1. This lets you connect to an Audio Out socket on the front panel, as an alternative to the rear panel outlet. The audio outputs connect first to the the front panel (green) socket, with a return circuit for each channel which is automatically disconnected when you put a plug into that socket. So the audio out signals travel in lovely unshielded cable from the mobo to the front panel and back, before going to the back panel. If you don't have a front panel socket (and cable to suit), then you have to put a couple of jumpers across (for example) pins 5 & 6, and 9 & 10. If one of these jumpers is missing, you will only get one channel out. You could also lose a channel if there is a fault in the cable taking the signal from the mobo to the front panel, or the return cable, or in the switch contacts of the front panel socket (or in the rear panel socket contacts, for that matter).
So, if you have a front panel audio out - try that and see if you get both channels. Also, check the wiring from JAUD1 to the front panel. You could also try removing the cable from JAUD1 and installing a couple of jumpers instead (check the mobo manual). If you don't have a front panel audio out, check that the 2 jumpers are on JAUD1. You could even try cross connecting the JAUD1 pins (5 to 10 and 9 to 6) and seeing if the missing channel changes or not.
Also, try a few different audio sources (CD playback, playing .WAV or MIDI files, using Line Input - and check the advanced options in the Audio Mixer controls to make sure the Balance controls are centred.
I hope this helps.
Cheers

Exported Audio Voiceover Only One Channel

I created a quicktime screen recording for a screencast/tutorial using QuickTime X.
Brought that clip into FCPX, added some music, a few transitions and some motion graphics/titling.
Exported to h.264 and I'm getting stereo from the music track, but the voiceover is only on one channel.
So I go to audio settings and batch change everything to Mono. I noticed that there are surround sound settings, that is, multiple audio 'tracks'.
Export and only one channel.
When I monitor in FCP X I heare the audio out of both channels.
When I export it using FCP X H.264 to quicktime: Audio Only On One Channel
Killing me.
So I I loaded the H.264 exported clip into QuickTime Pro 7
Anyway, In QT 7 I changed all the settings for audio (properties) and turned every channel that showed up to mono, saved as and the QuickTime file now plays voiceover audio on both channels. Yeah!! So it seems.
So I save as in QuickTime 7 and when I play in QuickTime 7 I get the Soundtrack/Voice over audio on two channels.
But when I open it in QuickTime X (or upload the file to YouTube/Vimeo) the voiceover only comes through on one channel. Keep in mind that the stock Music does play through both channels!

duplicate post: http://discussions.apple.com/messageview.jspa?messageID=10578624&stqc=true

Sound only from left channel

I bout an IPhone 3G for my wife last friday. She complained about the music quality saying that her little cheap MP3 player sounded better. I plugged in the headset and found that there was sound only fro one channel (Left). I plugged my headset from my 3GS and it also only had sound from one channel. Any suggestions?

Try restart, reset, then restore.
http://manuals.info.apple.com/enUS/iPhone_UserGuide.pdf
If this doesn't help, you may need to make an appointment at the Genius BAr ( Apple Store). The iphone has a one year warranty.

ONLY ONE CHANNEL OF AUDIO WITH SONY PMW-200

Hi,
When I automate to sequence using video shot on my Sony PMW-200 I only get one channel of audio, when the preset in Premiere clearly states 8 channels of 24 bit audio. If I drag a clip to the timeline all 8 channels are there, but then I have to trim the beginning and end of each clip in order to do transitions, which would take forever on a wedding video. There must be other PMW-200 users who have this same problem. I am shooting in UDF mode 422 at 50 mb/sec on the Sony and just updated my Premiere CS 6.
Thanks,
Ed

similar question, I found a thread that may solve your problem: Sony PMW-200 file import into Premiere Pro CS6 only get 1 Ch. audio, you can go for a look. Or you can try some converters to help you. Handbrake, any video converter, ffmpeg,imixmxf, transcode them first, then reload into premiere.

Only one channel from Tascam US-122

On my Mac OS X [10.4.2] I just connected the Tascam US-122 audio interface.
I did not upload any of the recording software like Cubase that came with it. The problem is that when I play back anything from ITunes or Garageband, I only get one channel of the stereo recording. This happens both trhough headphones or through line out connected to my stereo. MIDI works fine, but there seems to be only channel playing back at all times. Any help? The wait times for Tascam help are unbearable.

Check to see if your resolution and sample rate settings are set for 2 channel audio. Double click on your Macintosh HD and follow this string to where the settings are set:
Applications/Utilities/Audio MIDI Setup/Audio Devices/System Settings/Default Input: (your Tascam US-122)/Properties For: (your Tascam US-122)/Audio Input/Format/44100.0 Hz 2ch-16bit. Also check your Default Output/Audio Output settings for your Tascam US-122, they should also be set at 44.1 kHz and 2ch-16bit.
Also if you are going to install Cubase LE, especially if you have OS X Tiger (10.4.x), be sure that you have Cubase LE 1.08, because there is an installer incompatibility with Tiger and Cubase LE 1.07. There should be somethimg about this incompatibility at the Tascam website. Or better yet, I would recommend Logic Express 7. It interfaces seamlessly with GarageBand. Besides they have to give Cubase LE away free because being originally engineered for PC's, and then re-engineered for Mac as an afterthought, it is left-brain difficult to learn and work with. Apple Logic is much more right-brain user friendly.

Capture Prob -- only capturing one channel of sound

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