P7800 = two channels?

I can't seem to find anything on this. Most people who have problems with their speaker system have problems getting sound out of their speakers. I have a problem with NOT getting sound! That is, sound comes from the front when it should only come out the back. Indeed, my computer seems to think that the speaker system is only 2 channels.
When I try to test the speakers using the Realtek HD Audio Manager, I get sound coming out of all three of my left speakers when it should only come out the front left (or side left, etc.) same with the right. I also get no sound out of the sub when I test it in the program (but it works fine when actually listening to music.)
When I go to the Windows sound control, I set the speakers to 7.1 Home Theater configuration but when I go to volume control I can only control the volume for two channels. Is that normal? Shouldn't I have volume control for all 8 channels?
Of course, MP3 files and TV are only 2-channel anyway so when I do those things everything is great, but when I watch a movie or play a game, I would like to actually get the full 8-channel experience, and not have sound coming from all speakers when it should only come from one.
Can anyone help with this at all? I realize that this is likely not an issue wtih the speakers, but I'm posting here because I'm not sure who else to ask. The sound card is just integrated with my motherboard, and yes I have all of my drivers up-to-date. I am just so frustrated because I don't get why it's not working!! Please help.

God, this is so frustrating.
After about 20 emails sent back and forth between customer support, one man finally seemed to understand my problem. He told me to uninstall the drivers, boot Windows into "Clean boot" and re-install the drivers there. I did this, and it worked!! I couldn't believe it. Sound was coming through all speakers properly on the tests. When I clicked the rear-left speaker in the Creative Console, I got sound only from the rear-left. Beauty!! I was stoked. So then I'm going with it for awhile, testing it intermittently to ensure it was still working, when it stopped. Some time today, it went back to its old habit. Sound only from the front two unless I enable CMSS, at which point I get all speakers but only two channels. Testing "rear-left" results in sound coming from the front left (if CMSS disabled) or coming through all three left (if CMSS enabled.)
I was extremely annoyed, but figured I'd just do the fix again. Except this time it didn't work. Seriously, I did the exact same thing that fixed it last time, and this time it didn't fix it. I can't even begin to describe my frustration at this point. Can nobody help me?! I have tried so many things at this point. I have re-installed the drivers in so many ways, under so many conditions. I uninstalled some other programs. I completely removed all CREATIVE software, rebooted, went into clean boot, installed the drivers, rebooted, and still it doesn't work. Why the heck did it work that one time but never again?! ARRRRRGGHHH. I am just so fed up.
PLEASE somebody help me.

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Trying to use the same ground for more than two channels (RSE configuration) with usb 6000

Hello,
I'm currently trying to set up a LabView code in order to get readings of voltage using 5 different locations simultaneously. I want to only use the first location as ground and obtain 4 voltage measurements between the ground and each one of the other 4 channels. I'm using a usb 6000 which for now allows me to use the same ground for only two channels. Is there a way to use the same ground for 4 channels?
Thank you,
Maria

You're right it is confusing the way I describe it so I ahve attached some pictures of the set up. The first figure is the cell filled with soil and the 5 probes inserted in it. The anode is placed at the left end of the cell and the cathode at the right end but they do not appear in the figure. I'm trying to use location 1 as gournd and take measurements of voltage from the following pairs: 1-2, 1-3, 1-4, and 1-5. The second figure is the DAQ I'm using. When I was trying to set up the RSE configuration, it was ussing ground A for the channels 6 & 7 (locations 2 and 3 in figure 1) but ground B for channels 4 & 5 (locations 4 and 5 in figure 1). What I am asking is which is the best way to use the signal from location 1 as the ground for all 4 channels. Is this more clear?
Thank you for your time!
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I use only two channels, have plenty of memory in my hard disk, and external hard drive, no effects, and still having problems with Garage band. Giving messages as you have too many live channels

I'm frustrated, I am doing everything you recommend, I use only two channels, have plenty of memory in my hard disk, and external hard drive, no effects, and still having problems with Garage band. Giving messages as you ave too many live channels, the disk is slow prepare...can you help?

Quote from: Richard on 15-November-07, 20:33:05
tornado2003,
What you need to do is boot into Safe Mode. Then delete the VGA Drivers.
After that boot normally and install the latest nVidia ForceWare Drivers
Take Care,
Richard
i guess you missed that:
Quote from: tornado2003 on 15-November-07, 17:26:52
ive tryed booting xp in safe mode but it just freezes after it loads up a couple of needed files .
ive even formatted my hard drive and tryed installing a fresh xp on it but it just keeps locking up when it gets to the "starting windows setup" .(this is just after it loads all the drivers from the xp cd)

How do I get XLR audio to play in two channels?

Hi
I have recently captured audio via an XLR port on my camera and was aware that it is was only on one channel but was hoping to copy the clip into another channel in FCE so it played back on both channels. For the life of me I cant work out hoe to do it because it shows up as two channels (one with silence) and wont let me seperate them.
Can anyone help?
Many Thanks
Adrian

You can do the following:
o - select the clip in the timeline
o - cmd-L to unlink video and audio
o - alt-L to separate the 2 stereo channels
o - select the empty audio channel and delete it
o - open the good audio channel in the viewer
o - change the Pan control to 0 (from -1 or 1)
o - now you can link back the audio and the video: select them both and cmd-L
Piero

How to modify the VB examples in ni-scope to sample data simultaneously from two channels in PCI 5922?

Dear all:
I want to write VB programs to sample data simultaneously from two channels in PCI 5922. The niscope driver has some example VB programs to sample data from one channel, for example, the "save to file ", the program works well to sample the data from one channel. When I modify it to sample data simultaneously from two channels, I always get error so I seek your help on how to write the program to sample two channels simulatenously. Thanks. I attached the sample program here and what I tried to modify is the "channel name" and "waveform()"
Regards
Andy
Attachments:
savetofile.doc ‏42 KB

Hi Bajaf, regarding the FFT of the four channels, the next link might be what your looking for:
http://digital.ni.com/public.nsf/allkb/862567530005f09c8625671b00739970
Respect the phase issue how are you doing the acquisition of the signals, are you doing two independent acquisitions? if you are controlling them as independent acquisitions try to synchronize them with triggers and the clock.
How much are they out of phase?
By the way we know have forums in Spanish
Best Regards
Benjamin C
Senior Systems Engineer // CLA // CLED // CTD

How to calculate the phase difference between two square wave (acquired from two channel in one DAQ)

Hello everyone ,
I need a quickly help that as below :
I am trying use PCI-6220 to acquired six signals from one rotation encoder (channel A, channel B,channel Z ,and their non-signals) .The encoder out signals will be square wave and 4000pulses per revolution. I set it rotation at 300rpm speed. I need show every square wave of six out channels in waveform and measure the A-B phase difference to check if the value is correct (designed value should be 90deg) .
I have no idea how to measure or calculate the phase difference of two square wave base on synchronizate to acquire these two square wave from two channel on the PCI-6620....
Anyone can give a idea how to calculate the phase difference with two square wave ?
Thank a lot and Thanks again...
Tim

Tim,
Here is a simple rising edge detector for one channel.
Lynn
Attachments:
Rising edge.vi ‏15 KB

With single trigger, I want to acquire two channel in sequence

I wanted to observe the sequence of effects on more than two channels with respect to a single trigger input. And also I wanted to measure each channels with different " number of samples". For example Firstt channel with 10 samples and second with 500 samples. How I can implement this on PCI 6034 and USB 6008 DAQs

The 6008 has only very basic functionality.
I would say to achieve the results you want you will need to add multiple channels to a single task, all at the same rate, and only extract the data you need.
That way all channels will be synchronized.
I don't think the 6008 can even do correlated digital-analog I/O or trigger off an input channel.
I don't have any experience with the PCI 6034, but if you only need 500 samples then the method I mentioned above should work regardless.
Troy
CLDEach snowflake in an avalanche pleads not guilty. - Stanislaw J. Lec
I haven't failed, I've found 10,000 ways that don't work - Thomas Edison
Beware of the man who won't be bothered with details. - William Feather
The greatest of faults is to be conscious of none. - Thomas Carlyle

Creating two channels with two "daqmx create channel.vi"

Hey guys,
I'm perform some piezo measurements and my program has one channel for the input (signal that excites the piezo) and one channel por the output (piezo's response).
Since the amplitude of the piezo's reponse varies a lot, my program adjusts the range of the acquisition changing the "minimum value" and "maximum value" properties in the " daqmx create channel.vi". Such an adjustment makes no sense in the input channel once the excitation has constant amplitude.
That is why I need to use two "create channel.vi". I could create the two channels with a single VI but if I did so, I would not be able to adjust the "maximum/minumum value" of only one of them.
The problem is: Labview always returns the error 50103: The specified resource is reserved.
Below, we have a screenshot of this part.
I tried also to add one "daqmx timing.vi" and one "start task.vi" for each of the "create channel.vi" and synchronize everything via error cluster but it returned the same problem.
The program itself is also attached but I don't think it will be useful.
Please, help me guys!
Regards,
Lucas
Attachments:
two create channels.JPG ‏108 KB
consertando burrada.vi ‏330 KB

Try it like this:
EDIT: OOP, I got the Mins and Maxs reversed.
Using LabVIEW: 7.1.1, 8.5.1 & 2013

Combine two channels on one graph

I need to add a second channel, coming from same instrument, to the existing acq&graph Voltage VI (see attachment). I want to get two voltage curves on the same amplitude vs time graph. I configured the second channel and created a task, which also works on a that single channelled VI. Thanks a lot in advance
Vitaliy
Attachments:
Acq&Graph Voltage-Int Clk.vi ‏57 KB

I have two tasks for each channel. So Im trying to feed those two tasks through one loop and onto a graph. I do have a task named "ai cont multi" in NI-DAQmx Base Config Unility where I can choose two channels, but when I input this task into my VI, it doesn't recognize the resource which is weird cuz It does recognizes single channeled tasks that I created. I think Im missing something fundamental on the block diagram...

[svn:bz-trunk] 13716: since include-read-only is a server global setting, we can't have two channels with different value.

Revision: 13716
Revision: 13716
Author:   [email protected]
Date:     2010-01-22 09:26:12 -0800 (Fri, 22 Jan 2010)
Log Message:
since include-read-only is a server global setting, we can't have two channels with different value. remove the test for the include-read-only false. update the service-config.xml as well.
Modified Paths:
    blazeds/trunk/qa/apps/qa-regress/WEB-INF/flex/services-config.mods.xml
    blazeds/trunk/qa/apps/qa-regress/testsuites/mxunit/tests/remotingService/dataTypes/ReadOn lyTest.mxml

You can give this a try on your Ultimate machine. While these are said to be for Vista, I used it on my Win 7 machine just fine and it fixed the problems I was having. Hope it works for you.
The problem is that Vista, by default, will only use NTLMv2 for authentication, which is not supported by Mac OS X's Windows Sharing service.
The other problem is the Minimum Session Security for NTVLM SSP based Clients.
To get around this:
1.     In Vista, open the Control Panel
2.     Switch to "Classic" view
3.     Double-click Administration Tools
4.     Double-click Local Security Policy
5.     Or Secpol.msc
6.     Expand "Local Policies" and select "Security Options"
7.     Alternate : Type secpol.msc to get editor up then
8.     Locate "Network Security: LAN Manager Authentication Level" in the list and double-click it.
9.     Change the setting from "Send NTMLv2 response only" to "Send LM & NTLM - use NTLMv2 session if negotiated"
10.     Network Security: Minimum session security for NTLM SSP Based (including secure RPC) Clients
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Script or operation to split a date and time channel into two channels

Hi There,
I have a channel that contains a range of dates and times.
I would like to split that channel into two channels - one with date and one with time.
Any suggestions?

Sorry: Here is the attachment......
and Sample of the data
Comment:
Date
Time
AIR TEMP
AIR TEMP SP
TAC PTC
Load Temp
Channel 4
UUT Front TC
1/20/2015
12:30:05
80.3
79.3
59.4
0
0
62.9
1/20/2015
12:30:11
80.1
79.3
59.5
0
0
63
1/20/2015
12:30:17
80
79.3
59.6
0
0
63
1/20/2015
12:30:23
79.9
79.3
59.7
0
0
63.1
1/20/2015
12:30:29
79.7
79.3
59.7
0
0
63.2
1/20/2015
12:30:35
79.7
79.3
59.8
0
0
63.4
1/20/2015
12:30:41
79.6
79.3
59.9
0
0
63.4
1/20/2015
12:30:47
79.6
79.3
60
0
0
63.5
1/20/2015
12:30:53
79.5
79.3
60
0
0
63.5
1/20/2015
12:30:59
79.5
79.3
60.2
0
0
63.6
1/20/2015
12:31:05
79.6
79.3
60.3
0
0
63.7
1/20/2015
12:31:11
79.6
79.3
60.3
0
0
63.7
1/20/2015
12:31:17
79.6
79.3
60.5
0
0
63.8
1/20/2015
12:31:23
79.7
79.3
60.6
0
0
63.9
1/20/2015
12:31:29
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79.3
60.7
0
0
64
1/20/2015
12:31:35
79.8
79.3
60.8
0
0
64.1
1/20/2015
12:31:41
79.8
79.3
60.9
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0
64.3
1/20/2015
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79.8
79.3
61
0
0
64.4
1/20/2015
12:31:53
79.7
79.3
61.1
0
0
64.4
1/20/2015
12:31:59
79.7
79.3
61.2
0
0
64.5
1/20/2015
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79.7
79.3
61.3
0
0
64.6
1/20/2015
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79.6
79.3
61.4
0
0
64.7
1/20/2015
12:32:17
79.6
79.3
61.5
0
0
64.8
1/20/2015
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79.6
79.3
61.6
0
0
64.8
1/20/2015
12:32:29
79.5
79.3
61.6
0
0
64.8
1/20/2015
12:32:35
79.5
79.3
61.7
0
0
64.8
1/20/2015
12:32:41
79.5
79.3
61.8
0
0
64.9

Record two channels in one signal for GB ipad

Is it possible to record in two channels I'm GB for ipad with one input signal?
Message was edited by: RudyDA

If each channel is a 1D array, then use the build array function to create a 2D array and wire that to the graph. If each channel is a waveform data type, Use the build array to create a 1D array of waveforms and wire that to the graph. Look at the shipping example called Waveform Graph.

Sound output only on two channels but system set to 7.1 sound

LabVIEW2011, Win7, Creative audigy 2 soundcard and/or USB sound device set to 7.1 sound
The sound2.llb ... info found the card but only allow to open 2 output channels giving error 4811 when trying to configure for more than 2 channel output.
However the OS audio test 'ping' every speaker
Any hints welcome
I attached my test vi. you will need at least one wav sound file ... (or try to rescue the diagram values... )
It runs with one or two channels but fail on higher channel counts.
Greetings from Germany
Henrik
LV since v3.1
“ground” is a convenient fantasy
'˙˙˙˙uıɐƃɐ lɐıp puɐ °06 ǝuoɥd ɹnoʎ uɹnʇ ǝsɐǝld 'ʎɹɐuıƃɐɯı sı pǝlɐıp ǝʌɐɥ noʎ ɹǝqɯnu ǝɥʇ'
Attachments:
Read wav and play nchannel v2.vi ‏375 KB

Hi Henrik,
what I can recommend to you is directly using the Driver API of your soundcard device if available.
Kind regards
TSP
Kind regards
Tobias S.

Two channels needed with pulse delay. Do you know of a VI for this?

I want two channels, one with a given number of pulses of controlable length. On a second channel I want a controlable frequency during time the first channel pulse. I want to control the time after the pulse on the first channel goes high that the frequency on the second channel goes on.

I'm a little confused as to exactly what you want. First, I'm going to assume that you are talking about TTL level signals, so the counters will be used. I'm also assuming that you have a DAQ card available to you. You can control output pulses on one counter, and set up a frequency on the other counter, but I'm unclear as to the relationship between the two.
Are my assumptions correct, and what is the relationship (in clearer terms)?
Mark

Wireless 802.11g Router Displaying Two Channels??

I downloaded iStumbler tonight to monitor my wireless setup, primarily to make sure I wasn't clashing with channels on other nearby networks, and surprisingly my router is broadcasting TWO channels (although it wasn't earlier in the day). On Channel 6 as is its defaults but also Channel 0??
Unsurprisingly, my iMac can't maintain a wireless connection.
Any ideas? I'm going to power cycle the router but this seems very odd...??
I have a screen Grab of the iStumbler window that I can send to anyone who's interested in helping out here...
Cheers
Luke

Does no one have any comments or queries?
I thought I'd expand on this cause I am wondering whether it has anything to do with the problems of connectivity that a lot of people have been suffering with recently.
While monitoring the network and while my iMac is connected I see my network broadcasting on Channel 6.
But during the evening I lost connectivity, and the two times this happened, the iMac / iStumbler via the Airport card was picking up a second channel on the network. This channel was showing these statistics:
Channel: 0
MAC Address: 00-00-00-00-00-00-0
Vendor: Xerox
Freq: -1
I called the modem/router support line as, the one reason I bought this modem/router was that they had good support for Apple Macs: they were bemused and had not seen it before, their only suggestion being that the new 802.11n wireless spec will use TWO channels to boost network performance, therefore could it be the drivers / airport card trying to search for a second channel that's knocking out the connectivity?
They were a bit worries that it might be their wireless router in which case they've offered a refund / exchange but I'm going to try getting a friend round with an older Mac and iStumbler installed to see if he can view this miscellaneous channel as well...
Any thoughts or views would be welcome, I'm not expert on wireless technology nor macs, but do think this is very odd.
Luke

P7800 = two channels?

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