Air Port Express Audio drop Out Problem

Hi I have just brought an Air Port Express home and spent the evening setting it up which went relatively smoothly, but once tested using the Optical out into an Musical Fidelity V3 X Dac (Digital to Analog Converter) the sound persistently jitters making music unlistenable,using conventional 3.5mm stereo jack output works fine it only seems to be on the optical.
Have read as much as I can find of use on the net but it seems either the optical out is faulty or incompatible with this DAC or some people have mentioned it might be the latest version of I tunes all my soft-wear is up to date.
Does anyone have a solution or should I return it or will anyone at Apple no what I`m talking about in the shop I got the impression they didn`t know anything about the Optical out.
Any Help greatfully recieved.

You will need to try several different optical cables as they vary tremendously in their signal integrity. It is not unusual to see two identical cables from the same manufacturer perform very differently. Check out the store's return policy and try several different cables to see if you can find the right combination.

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Audio drops out for a second at the start of the song

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Has anyone else noticed this issue?

Yes I have the same problem, actually I'm guessing everyone has the same issue but everyone hasn't realized yet. Problem occurs just after the the backlight turns off.
After many hours of troubleshooting, I realized the cause is syncing photos.
Tried resetting iPod & and restoring many times, tried different computers (with different new test iTunes/iPhoto libraries), problem occurs with both iLife 2006 & iLife 2008.
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I have yet to file a bug report with Apple myself.
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Audio Drop Out/Popping sound Problem

Hi,
For the last few weeks (since i installed snow leopard i think), i have been getting a lot of audio drop outs, where all of a sudden the sound goes dead and i get a popping sound coming from my speakers.
I am using a pre sonus fire studio project audio interface, with its firmware updated to the latest (the latest update was a beta snow leopard update).
I am running logic pro 8 with snow leopard 10.6.2.
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It depends, are you running off battery when this happens? If so then morethan likely it is the audio hardware coming back online. In an effort to conserve power, what Mac OS X does is when you are on battery is that it turns off your audio hardware when it has not been used for a certian amount of time. This popping sound is typical of the audio hardware being powered up.

Audio drop outs and continuing problems- Apple Support informed again.

Hi All,
Have had various audio problems with iMovie transfer to iDVD 6. iMovie had the problems initially but a weird trick seems to be helping me.
Copy a random new audio track into my film, paste it, then cut it out then empty trash..... all of a sudden my audio is clean again and perfectly in time with the video. I have informed the iMovies people in Ireland and they are at a loss to explain why this is now ok.
BACK to the plot and iDVD 6.
When I try to export this project from iMovie in iDVD 6 it either becomes an audio garbled nightmare or if I try and import into iDVD 6 I get audio that gradually becomes out of sync with the video visual. I know that this project was recorded in 16 bit audio so no joy there.
I've told Apple in Ireland that there are major audio issues with iDVD 6's audio set up + something they were apparently unaware of. I was assured that the tech dept's would investigate and solve. I am really surprised that they hadn't seen this problem in this forum!!
In the meantime any advice is very gratefully received. I'm on an Intel G5 Imac with 1.83ghz 1Gb sdram and 250 GB HD. So Software is currently limited!! I desperately need to get this project to DVD!!!!
Many thanks,
GUY

SAME EXACT THING HERE. This is what I posted in a diff thread:
2013 iMac 1TB Flash Drive
OS 10.8.5
Constant audio drop outs using Apogee Duet. I have to unplug and replug several times to get the system to recognize it. Sometimes when it is connected, Audio Prefs doesn't even recognize it and it shows up as "Unknown". When I click Audio Prefs before I get in, I get the spinning beachball and it takes a while for it to open. I have been in touch with Apogee but to no avail. It seems to work on my 2013 Macbook Pro, but I haven't tested extensively. It seems to get tripped up if I'm working in Ableton and get a Facetime call or if I try to use Youtube / Soundcloud. The system gets noticebly slower. When I switch back to Ableton, Duet is recognized (sometimes not recognized at all) but I cannot play anything inside the project window.
Not sure what to do at this point

Problem : Audio drops out on multicast

We are using Quicktime to view multicasted feeds. We read in the SDP file, Quicktime goes off, does the connect...all is well..until you try and fast forward to get rid of the latency (customer wants < 100 ms, which Quicktime can do fine). If you get to the end of the buffering, video still works fine, but audio drops out and does not come back. There is also some audio pops while the fastforward occurs. This behaviour is the same on both the standard player and the wrapped version.
Have not seen anything in COM interface that can let me see how much buffering is left, otherwise I could simple keep poking fastforward until I have minimal buffer left.
Here is the SDP file we are using
v=0
o=- 1 1 IN IP4 127.0.0.1
s=RTP session
e=NONE
c=IN IP4 239.1.1.8/3
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m=video 49170 RTP/AVP 96
a=rtpmap:96 MP4V-ES/90000
a=fmtp:96 profile-level-id=245; config=000001b0f5000001b509000001000000012000c48dc0004138c00cc000c20097530c1f4c 2c1078510f000001b2656d347620342e332e322e3400c5ff
a=control:video
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There are only two possible causes I can think of:
1. The fiel your'e using out of FCP is bad.
2. The encode that DVDSP created is bad.
> After exporting to DVD using compressor, the audio on the DVD completely goes away 49 seconds in. It's there on the master in FCP, but not on the DVD. It goes away in simulator too. <
How did you export out of FCP? I always use a self-contained movie. If the movie includes the audio, there's a problem in DVDSP.
If you are exporting to MPEG2 out of FCP, you must figure out a way to check the audio portion of the file.
If it goes away in Simulator there's an issue happening right at that point. Does it play in the DVDSP timeline? Does it play in the media viewer of DVDSP? Can you open the exported movie in QT Player?
Is there anything significant about the 49 second location?
bogiesan

HT4145 is it possible to use a sngle air port express both for streaming music to an audio system AND as a wireless base station

is it possible to use a single air port express both for streaming music to an audio system AND as a wireless base station

Yes you can - if it is your only router or it is after another Apple router - if you have a non-Apple router then it would have to be hard wired to create its' own wireless network.

I have a time capsule and two air port expresses. The time capsule is in the middle of my house, the expresses equidistant in opposite directions. I would like the expresses to both connect directly to the capsule, but they are connected in serial. How?

I have a time capsule and two air port expresses. The time capsule is in the middle of my house, the expresses equidistant in opposite directions. I would like the expresses to both connect directly to the capsule, but they are connected in serial. How to reconfigure.
I ask because I have music running out of both expresses, and the one that is most distant from the time capsule (routed through the first express) regularly drops the music signal from itunes. And I am guessing the serial configuration of the routers has something to do with this, but my root problem is music dropout - any thoughts would be appreciated.

If you have the the most current model of the Express devices, the default setup is to "extend" the wireless signal. In this type of setup, each Express communicates directly to the Time Capsule.
How did you setup the AirPort Express devices?
What version of the Mac operating system are you using on your MacBook? Or, do you have AirPort Utility installed on your iPad?

Is itunes 8 fixed (audio drop out)?

itunes plays fine for a number of tracks and then the audio drops out completely at the beginning of a new song despite the interface appearing to be playing as normal.
This was the major pain - even though it only took a pause and restart to get the audio back - it happened so frequently. I should point out that this may be related to my airport Express network, but it went silent on both my external speakers and my computer.
I found a number of posts outlining the same problem but no solutions that worked apart from one great one (sorry, can't find it now) which confirmed it was a problem with itunes 8. True enough, after exhausting every other avenue, i have reverted to itunes 7 and the problem has disappeared.
The problem is that I have lost many other upgraded features so can anyone advise me as soon as this issue is resolved in a more up-to-date version of itunes so I can upgrade without the problem returning.

Unfortunately, this is a known problem which Apple seems to be brushing under the carpet. Communication problems using Airtunes has been affecting a lot of users here. Try following the procedure outlines in the sticky of this forum entitled ' Solutions for AirTunes Issues in iTunes 8', and hope for the best. If that doesn't work, I guess you're in the same boat as the rest of us, and will have to wait till Apple sorts out this problem.

Changing the base station from Air Port Express to the Time Machine

Some years ago I bought an Air Port Express. I set it up to connect iTunes to my home stereo but it never worked very well and after a few months I gave up and put it in a draw.
Last year I bought a Time Machine and succesfully set it up. I also established a wireless network which connects to my PC and Blackberry.
Recently, I've been encouraged to try to set up the Air Port Express again. I had assumed that the Time Machine had been established as my base station and that I would now use the Airport Express as a wireless extender and try again to use it to connect to my home stereo.
However, in setting it up it become clear that my Air Port Express has the status of a base station with its own wireless network (which I don't want to use).
I can't figure out how to change the Time Machine so that IT is the base station and the Air Port Express is a secondary point connecting to wireless network created through the Time Machine.
Thank you in advance for any help or advice that you might have.
LS

Thanks for the info. Unfortunately, this older "g" device is really going to drag down the performance of your Time Capsule.
You'll need to use a WDS type configuration, which is an older "g" technology. The setup for this type of configuration is complex and difficult for most users. If you get the configuration right, there are still unfortunately going to be two big negatives with this type of setup.
1) Since WDS is an older "g" technology, everything on your faster "n" Time Capsule will drop down to "g" level speeds. That's a huge loss.
2) When you add the Express to the network, the bandwidth will drop by 50%
Bottom line...you would wind up with an older "g" wireless network throughout that would be operating at one half of it's capability.
If your budget allows, a new AirPort Express 802.11"n" would provide far better performance and would be much easier to configure for your network.
Message was edited by: Bob Timmons

Air Port Express Admin Utility - Wanted!

Hello all,
My Air Port Express has been running OK since I bought it about three weeks ago. It's connected to my hi-fi amp and the connection has worked (apart from some nasty harmonic distortion which I'm still trying to get rid of, but that's another issue).
However, the amber light on my AirPort is now flashing continuously and I cannot connect, even when I plugged the unit in right next to the PC. Now, here's a Catch-22: to find out more information about the error I need to consult the AirPort software. But.....I could not install the software from the CD as it doesn't run under Windows 2000, which is what I have.
The AirPort Express spec page says that to run the software under Windows 2000 I need to install the Air Port Admin utility, version 4.0 or later.
I have searched the Apple site for this and then the rest of the net but i CANNOT find anywhere I can download this software from.
Can anybody help me?
I must emphasise that I am specifically looking for the AirPort Express Admin Utility V4.0 or later (apparently) to run under Windows 2000, not the actual AirPort software as that will not install under Win 2000.
Thanks in advance
Andy

Thanks very much for your reply.
If you go to the AirPort spec page:
http://www.apple.com/airportexpress/specs.html
..and read footnote (1), it says:
"AirPort Express Assistant is not compatible with Windows 2000. To setup AirPort Express from a Windows 2000 computer, you must use AirPort Admin Utility for Windows version 4.0 or later."
This is the software I am looking for, but this is the ONLY reference to it I can find anywhere.
Regarding the CD that came with my AirPort, the whole point is that it will not install under Win 2000, only XP. I therefore have no AirPort software installed on my PC. You don't need the AirPort software to use Airport; you really only need it to configure the unit and troubleshoot when you have problems. Which is what I have now!
In case the above footnote has the version number wrong, can you give me a link to the 3.2 version?
Many thanks
Andy

Audio drops out after burning to a disk.

I just finished my Final Cut Express project and used iDVD to burn it to a disk. Half way through the slide show, the audio drops out.
Is there a way to fix this?

Last week, this song played fine on the burned copy.
Is this problem now showing up in the iDVD preview mode? Or is it with subsequent burned DVD's?
Go back to your project in iDVD. Go to File>Save as disk image. This will create a file that can be viewed on your computer's DVD player. The disk image will show you how your project will appear when played on a standard DVD player. See if this problem is repeated. If everything is fine, go ahead and burn the DVD using Disk Utility.
I hope this helps.

HELP! Audio Drops Out When Trying to Capture Canon XL2 Footage

Please help me out here. I'm a freelance camera operator w/ a Canon XL2 and several times now I've gotten calls from the editors saying they're having problems logging my footage, mainly the audio drops out quite a bit, and I'm not talking bout one second for every 2 or 3 minutes. No. It's like every 10 seconds the audio drops in and out.
What's the deal? Two times the guy was using a Panasonic DVX-100A to capture, another time it was a SONY DSR mini-DV deck. With each incident I had to go over with my XL2 and use it as the capture device, which is a pain.
The program they're using is FCP HD or 5. But I think even when they just play the tape in their Sony or Pany cameras, the audio may still suck.
Help me out here, I can't be the only one with this problem.
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Well Robert Swanson, I hope my post wasn't taken offensively, it certainly wasn't meant as such. The only Canon camcorder I owned was the GL1. After switching to Sony's I can honestly say it would take something significant to go back. And, I was merely relating my experiences in trying to capture from other Canon camcorders so that I know where you are coming from. However, I am interested in the HVX being the "noisest" camera on the market. I am seriously considering this camera and would be interested in a review that points this out. I would be using the hard drive recorder instead of P2 cards.
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Audio drop-out in FCPX with 1920x1080 & 2048x1240p @ 24p (codec Apple ProRes 4444 (Linear PCM))24p

Hi all...
I'm new to this forum.
Is there an audio issue (drop-outs) with FCPX (ver 10.1.2) for 1920x1080 24p, 1080p HD & 2048x1240 24p (2k) - note: films in FCPX are in codec Apple ProRes 4444, Linear PCM?
Very recently I've been working on a show reel and I have imported a file (short film) to snip out a section to add to the show reel.
I set the project to the film's settings i.e.. "set based on first video clip"...(1920x1080 24p, 1080p HD). When I play the film in FCPX the audio "hic-cups"..."dips to silence"..."drops-out" briefly (up to 0.5 secs in duration) and very frequently all the way through (approx 15 mins long film)...note: audio set is at stereo 48kHz. The audio monitors on the right hand side also show the dip taking place (if it's a long enough drop-out).
I also have a version of the film in 2048x1240 24p at 2k, again Stereo 48kHz...and this does the same audio "drop-out" all the way through. I'm unsure what other formats will create this problem i.e. higher or lower aspect ratios than those above.
Is this a software and/or OS issue? Or a hardware issue? Or both!?
About This iMac details:
iMac 27 inch: OS X ver 10.9.4
Processor: 3.5 GHz Intel Core i7
Memory: 32 GB 1600 MHz DDR3
Graphics: NVIDIA GeForce GTX 780M 4096 MB
Fusion Drive 3.12 TB
Final Cut Pro X was bought & installed with this iMac back in Feb 2014
FCPX version: 10.1.2
Note also: I used Compressor (ver 4.1.2) to convert the files (movies) above to Apple ProRes 422 HQ, Linear PCM and the issue disappeared - the audio and visuals played with no problems. All films play with no issue when opened in QT player. They are also fine when exporting from FCPX. The issue only occurs (as far as I can tell) within FCPX when editing or playing the audio there.
Has anyone encountered this problem?
Kind Regards,
Hakan

Hi Luis,
Thank you for that.
Seems like you have a point about the "hardware" issue. I'm unsure (new to it all) at what data rate my (er...wonderful) fusion drive provides FCPX for smooth playback - or where I can find that info on the iMac. Playing back movies in the 422 HQ codec seems to have no issues (when I converted the movie from 4444 HQ).
But playing the full 4444 HQ, the picture is smooth, but the audio has these drop-outs - even with "best performance" option ticked. Interesting that the audio suffers, not the picture in FCPX - so not sure what's going on there. I also read - perhaps - that to play a smooth ProRes 4444 HQ movie in FCPX the data rate should be min of 500 Mbs (based upon About Apple ProRes) for HD movies and up (i.e. 2k). ProRes 422 HQ needs a data rate of 220 Mbs - so that is my upper-limit to smooth video&audio playback with the current system I have, I guess.
Does anyone recommend a fast USB3 or Thunderbolt drive (500Mbs+) where I am able to run 4444HQ movies with no issues to picture or sound (away from the fusion drive)?
KR
H.

AirTunes with AirportExpress cut or drop out problems - my solution...

I buyed 2 of the Airport Extreme one month ago (Firmware 6.3, Itunes 7.1.1), never got them working fine, till yesterday...
I have A Zyxel ADSL WLAN Router Switch. WPA-PSK as I wanted a secure Network. Both of the AX were connected with static IPs. WLAN was always working fine, but I had many cut outs with airtunes. I wanted a solution with lossles streaming audio with the possibility to connect my Receiver digitally. That's why I bought my first Apple hardware, as I was always told, Apple=Plug'n play. Very frustrating!
I tried other switches, Routers, WLAN adapters and cards, nothing worked. Airfoil does not support multiple speakers yet, so it's useless for me.
In the FAQ of the Airtunes, Apple mentioned to use lower security, as some Computers probably do not have enough power to stream music flawlessly. But my Computers really do have enough power! I think the AX does not have enough power to do that. So I created another wireless network with one of my AX. I set the security to WEP-40bit key and joined this new Network with my other AX. Not the best solution, as I'm now connected to the Internet or to the AX to use Airtunes. Cables could fix that problem, but then I could use a wired system instead...
I use Channel 11 for the AX WLAN (the only clean channel in my area), Multicast to 11, only G mode for Wireless and a 5 characters WEP-40 key and no WDS. Seems to work at the moment.
I hope this will help others with the cut or drop out problem. If you have a working AirTunes system, please post your setup. Mostly I'm interested in a Setup with working WPA...

Thanks, I hope I can help others with this annoying problem...
Sorry, I forgot to write about the RF Interference. Belive me, I spent hours and hours searching for a solution in the Internet and every checkbox the Admin utility offered me to try out... I'm working as a system engineer, and supporting computer systems since the early 90ties, so I'd say I have a bit knowledge about all the networking, WLAN, Audio... In school we had the Apple Mac I with the 12" monochrome monitor and appletalk for networking quite funny!
But back to the RF interference: At the moment I activated it on both AX I own. I have a microwave, wireless phone and I'm living in a Area with many WLAN access points. I can choose between 6 networks!
I'm the only one with a network higher than channel 6, so this area is clean at least.
As my AirTunes do work at the moment, I'm not going to try if I could also deactivate it.
Next step is to try if I can connect the AX Router to the internet. A connection to my ADSL router should do that, but up to now I had very strange behavior when plugging in a ethernet cable to the AX. If this will work, it will be my final solution, at the moment I only see it as a workaround...

Audio drops out when following video to external monitor

When I play a sequence to an external monitor, the audio drops out for 2 to 3 seconds after changes on the video track, and then pops back in with no interuption in video output. It doesn't happen at every cut, but it's consistent in the places it does. I thought it might be caused by the size the project has become. So I exported the sequence as a quicktime file, closed the lage project, opened a new one and exported the new file and played it and it happened again, even though there were no edits. It doesn't occur at all when I turn off external video, and play it on the computer. I connected a new firewire from the computer to my DV deck, restarted the computer, but it keeps happening.
Is it that the dramatic change in color, light and compostion crowding out the audios ability to follow the video through the wire?
I'm completely stumped. The next step will be to open the computer and try to blow any excess dust out. I do this periodically anyway, and my last time was two months ago, so I'd be surprised if it works.
Maybe the G4 with 2G processing power can no longer handle the program, but it shows no sign of stuggle in any other way.
My clients are starting to grow restless.

Thank you so much X & Paul, for your suggestions. Although they didn't solve the problem, they kept me hopeful enough to continue my quest for an answer. After exhausting all effort to find the problem in the audio, I decided to focus on the video. So, I tried correcting the excess luma on the consolidated QT movie, and suddenly the problem was fixed. Because of the different levels of correction I'd need for each and every cut in the original sequence, and the precious time it would take, I'd planned to save it for the color correction stage, a mere 2 weeks away. I remembered how illegal white would often cause the image on some monitors, specifically consumer TVs, to waver for a second. But this was happening all the way back to the DV deck's audio meter, so I never expected it to be a luma issue.
I assume that the outdating capacity of my G4 played a part, but I wanted to write back with my thanks, and to impart my illuminated wisdom to the next perplexed soul.
Thanks again,
jesterhead

Air Port Express Audio drop Out Problem

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