Audio drops out on mac

This just started about an hour ago or so, i was watching a video on my mac mini on youtube and every 10 seconds or so the audio drops out for about a second or 2 and comes back on. this happens every 10 seconds. i restarted my computer and it still happens. this has never happeend before, any ideas as to whats going on?

TGlen,
Can I get the specifics of your Mac and any third party hardware that is connected including drives and capture hardware? FAQ: What information should I provide when asking a question on this forum?
Thanks,
Kevin

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'Optical out' audio drop out on Mac Book Pro

This is driving me INSANE!
First of all I'll give you my mac book pro details:
Mid/late 2010 MBP 2.66 i7 with 8GB RAM, on snow leopard 10.6.8
Here's the problem. Basically, my audio keeps dropping out. Upon a bit of research I can see the output device is switching from 'internal speakers - built in' to 'digital out - optical digital-out port'. I didn't even know my mac book pro had an optical digital output, as it doesn't appear there is one. However there's a red light that goes off and on, or sometimes flashes, more or less in unison with the drop outs and the switching of the output device. This also shows as when I try to adjust the volume, it doesn't let me and shows the sign with a line through it, as if I was using an external soundcard. It is incredibly frustrating as I can't do simple things such as watch a youtube video or play music on itunes.
Sometimes if I go from not using my mac, e.g. over night, then open it up and play itunes it will be fine. However when I open safari and start browsing or playing things via youtube the problem does seem to get worst. It also seems to cause my mac to freeze up a bit, I'm guessing as it's trying to switch devices.
I don't really know what to do, searching online hasn't really yielded anything useful.
Thanks, Christian.

Nobody ?

Audio drops out of Premiere Pro CC2014

Working on an older Mac Pro running Mavericks, the audio drops out suddenly. It can be from initial launch of a new project, or one in progress while you're in the middle of an edit session. And when I say "drops out", it literally goes entirely away, no output to speakers and no internal metering within Premiere. The only indication that you actually have audio on a clip is the drawn waveforms on the files themselves in the Source window or on the Timeline, plus you know the media that you're working with. I've tried to move the media cache files to a different location, delete them and make the project re-conform audio and indexed files, but the only thing that really works is to shut down completely and let it sit for about 10 mins. Too quick of a re-boot and it comes up the way you shut it down, dysfunctional, and a restart definitely will not work. Any ideas anyone?

TGlen,
Can I get the specifics of your Mac and any third party hardware that is connected including drives and capture hardware? FAQ: What information should I provide when asking a question on this forum?
Thanks,
Kevin

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.
I think i have narrowed the problem down to my presonus fire studio because i totally disconnected it and used logics built in audio soundcard and i didn't get any audio drop out at all.
I was just wondering if anyone had any similar experiences or ideas and suggestions on what is best to do?
thanks in advance for any help.
Tom

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 drops out of movie but not menu

I have an iMovie that I burned to disc successfully via iDVD. Then, I went back to the movie, made one small text change to a title page, resaved, and tried to burn again. Since then, I have lost the audio every time I try and burn the DVD again.
What's odd is that the movie audio drops out, but the menu audio is still there. Also, when I 'preview' the movie in iDVD, the audio is working just fine. I have five songs in the movie.
Any ideas?
Thanks so much!
(These are iMovie 6 and iDVD 6 btw.)
iMac G5 Mac OS X (10.4.7) 2.1 GHz, 512 MB Memory

After you made the change in iMovie, did iDVD ask you to update the project?
First go to iMovie and "extract audio" This is often a catch-all for some audio issues. Close iMovie.
Then go back to iDVD, open the project - if iDVD asks (and it should) choose "update" Then "delete encoded assets"
Then use "Save as Disk Image". This will do everything but burn your DVD - it will save the encoded project to a .img file. After iDVD is finished encoding, double click on the .img file, and it will mount like a drive. Use the DVD player application (it may launch on its own) to view the image.
If this .img file has good audio, then burn the image with Disk Utility (in your Applications/utiltiies folder - see Disk Utility help for how to burn the .img file)
If this still has audio that drops out, I'd suggest building a new iDVD project with the edited move.
John B.

Audio drops out randomly in FCP5

Hello,
I'm running FCP 5.0.4 on a G5 OSX 10.3.9 and a AJA io LA with current firmware v1.1 and driver v2.1.
When playing a sequence, audio will be fine. Going from AJA through mixer, to speakers and decks. Then the audio will cut ot completely, but video will continue to play. The meters in FCP show the audio is there, but nothing is getting to the mixer, and therefore nothing is getting onto tape, or coming out of my speakers. This problem occurs in every project we've worked with, and doesn't happen at the same point in the sequence. Any ideas? I'm not sure what other info might be useful, so please request more if you have any ideas. Thank you for your time.
Ben Slocum
KCOY-TV/KKFX-TV

Hi all -- I've experienced this problem on a number of projects, one tonight prompted me to check the forum. I used one of the work-arounds and want to report on it, in case it works for someone else or someone with the FCP development team is reading.
My timeline would drop the audio at a repeatable point each time. If I nested the sequence in another sequence, the audio would play but would have a nasty discontinuity right at the frame where the audio drops out in the original sequence.
I used the transparent video slug work-around and it worked (create a slug, set its transparency to zero and place it over the spot where the audio drops out). This occured twice in my timeline. Both times I had used a certain video clip. I had to stretch the slug to exactly match the duration of the offending video clip in order to keep the audio from dropping out.
This sounds like a bug that should be repeatable and fixed. If anyone with FCP development team wants my project, I would be glad to send it to them on a DVD for investigation. I'm running FCP 5.0.3 on a G5 dual 2.7GHz with an internal SATA drive, so it probably isn't a machine speed issue. (I tried the re-render trick and that didn't work and if I remove the slug or change its duration to anything less than the duration of the offending video clip, the audio drops out again.)
G5 dual 2.7GHz Mac OS X (10.4.4) 4GB RAM

Audio drop out after burning to iDVD

I am running FCE 2 and checked all of my audio (mixed it down and everything). Plays well when I run FCE. When I burn the clips to iDVD, I notice that the audio drops out in certain scenes, and it's the same scenes. Ruined 5 dvds so far after trying to a few things.
I am using all internal HDs (Extended Journaled). Any suggested would be appreciated. Thanks

Hi
a. Audio from iTunes - has to be used by a work around
I do - create a Playlist in iTunes with needed audio
Burn out as an Audio-CD (.aiff) Not .mp3
Use this audio in Your FinalCut project
b. I do from FCE/P to iDVD
• Export out as a QuickTime .mov file
• Not selfcontained (not important but saves time and space)
• NO QUICKTIME Conversion (Important)
c. To get iDVD to run OK
• Secure a minimum of 25Gb free space on Start-Up (Mac OS) hard disk ! (others of no importance)
• I use Verbatim DVDs
• DVD-R
• Burn speed set down to x4 or x1 (only relevant to newer iDVD)
(Instead download the Hack (Hurz and Pfurz) that makes it possibly to do a DiskImage with iDVD4
if earlier iDVD versions - forget this
then save as a DiskImage - test it with DVD-player tool and see that it runns OK
THEN do the actual DVD burn by using Disk Util tool from this DVD image You just did.
AND Here You can set down burn speed to x4 or x1.
• iDVD 4 disc image burning can be enabled through the patch Hurz and Pfurz - search the net.
Good luck Yours Bengt W

Very Brief Audio Drop Out in Sequence

In one particular part of my sequence, I'm experiencing a very brief audio drop out (which effects the entire audio) timeline. For example, I have a clip of a car starting and revving up. Two seconds into that clip, ALL audio drops out for a frame or two and then comes back in again. It sounds like everything in the audio timeline was cut and moved down a few frames (and the playhead is passing over that gap).
At first I thought it was my media clip so I switched it out by deleting it from my bin and capture folder. I recaptured it and used it again. Same thing. As an experiment, I then tried placing some other audio (from another clip) in that same area of the timeline to see if it happened there too. It did. I then made a new sequence and copied and pasted the affected audio and video it in there. Same thing. I never mixed down audio but saw that this was a suggestion on the forums. I tried that but it was still happening.
By the way, when the audio cuts out, ALL TRACKS cut out, so it's just not limited to a certain clip in a certain track.
Would anyone be able to shed some light on this? Is anyone else experiencing this?
Thanks everyone!

_*(SORRY, I DIDN'T MEAN TO POST THIS TWICE) Didn't think the last response went through_.*
Thanks, David. That solution sounds interesting and I'm going to give it a try. I appreciate your quick response, too.
I went back and tried something else, too.
By going to VIEW > EXTERNAL VIDEO > and choosing OFF, I was able to solve the drop out problem. I don't know HOW or even WHY this happened but it seems I can narrow my investigation to my exterior monitor and stereo or my audio/ video card or the actual firewire 800 cable running between the two. I always edit with an external monitor so I've got to jump on this issue quick.
When I turned external viewing back ON again, I got some very weird, garbled audio and static. Turning it off solved the problem. Do you think my video or sound card are going belly up? I have the stock card on my Mac (NVIDIA GT 120).
Message was edited by: Steve Delasantos

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.
Thanks.
-R

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.
Mike

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.

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

Video & Audio Drop Outs on Macbook Pro

I have a MacBook Pro with Version 10.7.3, 6 months old. Just recently when I play video, regardless of whether it's in iTunes, iMovie, or embedded in Keynote the video sticks, audio drops out for 1 -2 seconds or the shot freezes. What causes this and how is it fixed.

I apologize for the audio drop outs. I have sent you a private message to get account information from you so we can reprogram your boxes.
Anthony_VZ
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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.

IDVD '08 Slideshow Audio Drop Out

Hi
I've recently upgraded to IDVD '08 & produced a slideshow of 301 pictures with music. I get a moments audio drop out at each 100th picture. I know this to be a problem when the disc is played on a DVD player, but not on a computer. I had hoped that by upgrading to IDVD '08 the problem would have been eliminated. Can anyone advise if there is a way of solving this issue, other than producing separate slideshows of 99 picture & less.
Any help would be much appreciated.

The behavior you described above is actually normal for iDvd for anything over 99 images per slideshow. Not much you can do about it short of creating multiple slideshows as you mentioned above. That or making your slideshow as one long QT movie but you may notice a quality loss.
Or you can try a few other apps like:
http://www.boinx.com/fotomagico/overview/
http://www.lqgraphics.com/software/phototomovie.php
Roxio Toast has a slideshow option as well. You might want to look into this.
DVDSP might give you slightly better results but then again it's much more money and takes weeks/months to learn as opposed to a few hours / days.

Audio Drop Out

No matter how many minutes of audio or photos (believe me I tried from 2 minutes to 25 minutes of audio and 10-150 photos) that I use in DVD 6, the audio drops out for 3 seconds, always about 1 minute before the finale. Is anyone having the same problem.
I tried magic slideshow, all combinations and still...audio drops out.
When I used the 99 photo limit with the fit to audio minutes, nothing like this happened.
If there is a fix, please let me know.
Thank You all

Welcome to discussions, Bob:)
What is the source of the audio where the drop-out occurs? Purchased iTunes?
If so, burn the audio to an audio CD and import from that.
Also, how much free space do you have on the iBook?
Sue

Audio drops out on mac

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