PowerBook Audio Skipping Problem

Hi.
I own a PowerBook G4 that runs OS 10.5.8. Recently I have been having this audio skipping problem. It happens when I play back things like DVDs and audio files.
Any help/suggestions would be appreciated. Thanks in advance.

Too bad Apple can't write software to run on Windows.
iTunes is s h i t.
I guess they don't care about Vista uesers

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Audio skipping distortions after upgrading to iTunes 7.5

Since I downloaded iTunes 7.5 all of my audio on my laptop has random distortions in it (sounds exactly like a prcessor glitch but isnt caused by that). It isn't corrected when I play media through other programs leading me to think that it wasnt iTunes at first. But after many hours of trying to see what else it could be (and that fact that this happened just after I had upgraded to itunes 7.5) I'm now sure that it must be the new iTunes.I found that if i converted my music to ACC through iTunes then it played correctly but this doesnt solve it messing up the sound on my DVD or windows media player and I can't convert any songs purchased through the music store.
(Have checked it's not my soundcard or CPU usage that's the problem)
Any suggestions?
Dexian

I had the same horrible skipping problem. Here's what I did to correct it. You need to get itunes ver 6.0.5. My problem started when I upgraded to ver 7 and every version thereafter. First, backup your iTunes library of purchased songs. Get rid of all traces of iTunes ver 7 installation off your hard drive. Install iTunes ver 6.0.5 - then import your iTunes music (I found I had to also delete the two small library files that were created by the later versions of iTunes to be able to import and create the library for ver 6.0.5). After creating the library, all my purchased iTunes songs then appeared in iTunes. The first time I clicked on a song to play it a pop-up window appeared asking to authorize the song on this machine(my PC). I used the same ID and password that I always had used to purchase the iTunes originally. Then everything was great again. It took me a long time to figure out that an earlier version (pre ver 7) was the fix. By the way, prior to doing all the above, I had just re-installed WinXP on a blank hard drive. Hope this works for you - if it does don't ever click yes when the pop-up shows up in iTunes saying that a newer version is available.

Video and audio skipping in PowerDVD 8

Hi,
I have an issue when I try to play DVD's in PowerDVD 8. Exactly every 5 seconds the video and audio skip, or jump/become choppy and I cannot watch a movie. I have been researching and trying to figure out what is happening but have no idea. Could it be the X-fi I have installed the latest beta drivers to no avail.
Anybody have this problem or have any ideas on how to fix it's I have updated all drivers/firmware for everything and still can't make it go, sigh.
I have the following specs:
Intel x38BT mobo
X-Fi Fatalitly champ.
4GB DDR3 RAM
9800 GTX
ASUS 8x dvd-rom
E8500 CPU
Win Vista 32-bit
Thanks

Try this utility:
http://www.thesycon.de/eng/latency_check.shtml
and post results.
Gigabyte Boards at least with x48 chipset have an audio latency bug that is only fixed via a beta bios update. I have no idea if this also might affect your board...

MP4/H.264 Audio Skipping

I just upgraded to the new 7.2.2 and I now have an MP4 file that is not playing properly. I drop it in the project and bring it up on the source monitor as well as drop it in a timeline. Playing the footage, it looks fine but the audio is cutting out and skipping. There are no places where its no audio, but rather sounds like frames ar ebbing dropped. It plays audio properly for a few seconds then seems to jump several frames ahead. Like I said, the video does not do this.
The footage came from a Sony Handicam that has AVCHD format ay 60 fps, and I used Prelude to bring it in as MP4/H.264 to 23.975 fps. It worked FINE with the previous version of Premiere and have already produced several things from it without this problem.
I have tried having the footage being re-interpreted at different frame rates and it changes the pitch of the audio, but does not take out the issues with the skipping/jumping ahead to audio frames.
I need a solution to this, Adobe. Really irritated these problems pop up with new versions. They are supposed to fix old problems, not break things that are already working. My project is now on hold, but due tomorrow.
[Please choose only a short description for the thread title.]
Message was edited by: Jim Simon

Ok, bit of an update. I had assumed the icon I had in my dock would be loading up the NEW version (8.0) or Premiere. It wasn't. So the skipping problem I had was running on the 7.2.2 version. However, I found version 8, loaded it up and it has the very same problem. The audio is jumping frames or something. It is hard to explain. But it is happening with BOTH 7.2.2 and 8 versions. Sounds like the codec was re-written that both versions use and it's totally fouled up.
All my Canon 7D and 5D Mark II footage works fine.
I may try and open Final Cut Pro X and see if that clip gives me the same problem on that platform.

SPDIF optical audio input problem

having got over the audio stutter problem by upgrading to 10.4.5, i discover that there is a part 2 to the audio faults on the last g4 powerbooks.
i've been trying to record from DAT via the spdif input, but after a random amount of time, the apps stop recording with a processor overload error, or worse, something very similar to the looping audio problem previously thought cured.
If i try and record via line in analogue - there is no problem.
I'm not really streesing the CPU - i've been forced to try and use simple recorders like quicktime and boom recorder , trying to keep it simple and reliable at this stage.
any ideas?
Powerbook G4 17" 1.67 DL 512mb Mac OS X (10.4.5)
Powerbook G4 17" 1.67 DL 512 mb Mac OS X (10.4.5)

But when I plug the output of the Radio Shack controller into the audio input of the iMac, it captures only one end (my end) of the conversation.
Where did you previously connect that output, when it works properly?
Is it coming over only on the left or right channel?
You may be able to control the audio input more precisely using the +Audio Midi Setup+ utility (in the Utilities folder).

Audio skips after rendering

Does anyone know how to correct audio that skips after rendering? The video is fine and the audio matches up to the video but the audio skips as though it is going in and out. The movie is about 2 hours long and the first few clips were fine but now it is becoming a problem. I rendered both the video and audio at the same time then I went back and rendered only.....mixdown to see if I could get it to work......no luck. Any help would be greatly appreciated.

Tammy,
If we've dropped a bit of time for this part of the edit, you now have time for more fun aspects of it.
While I will casually monitor my Meters, I spend much more time with a good set of noise-canceling headphones, listening critically. The Meters are basically to point up potential issues. With Audio, if you have not invested in a really good set of headphones, do yourself a big favor, and sneak 'em into the budget.
Glad that you got things toned down.
Now, let's go on to Lesson 02 - The Audio Mixer. Unlike adding Keyframes to a Clip, when your cutting is done, you can apply Track Keyframes to attenuate (also Pan, etc.) you Audio Tracks to suit. One would just change the Send in that Track to Write, or Touch, and "ride the gain" with the slider, as is required. I probably do most of my Audio editing there, than addressing the individual Clips. First thing that I have done is cut back a bit on the frequency of the Track Keyframes in Edit>Preferences, as I find the default to add too many (and you can go in and adjust these by hand, if you need to "smooth" things out a bit.). One caution: do this when you are satisfied with the cuts, Clip placement, etc., as these Keyframes are applied to the Track. If you were to remove a Clip, and replace it, those Keyframes would apply to that new Clip, whether you want them to, or not. This trips some folk up, if they do the Audio Mixer thing too soon in the editing. Wait until you are "in love" with your Timeline otherwise. It's like scoring a Project. One does that as about the very last step, or much work will be repeated, and that is not fun.
Good luck,
Hunt

ATV2 Video pixelated and audio skipping

I don't think this is the same as the flickering issue or the frame dropping issue discussed by others. Thus, the new thread.
When streaming videos (movies or TV shows) from itunes to the ATV2 the picture will get pixelated with the missing portions turning green. The video will continue but the audio skips (exactly like a needle on a record player skipping back). If I exit the video to the menu then resume, the video plays fine for awhile until the problem arises again. To give you an example of the frequency, it happened about a dozen times during one 40 minute episode.
All software is updated to the latest versions and all hardware has been restarted. Content is encoded using handbrake using the ATV2 preset and then passed through MetaX for tags. The setup is as follows: stored on DROBO->firewire->iMac->802.11n(5Ghz)->Airport Extreme->ethernet->ATV2.
Anyone else having this problem?
Thanks!

Haven't been able to see a pattern yet. I can watch a recently encoded movie (1-2hrs) without it happening once, but like I mentioned, it happened 12 times during a single 40 minute tv show. Both were encoded using same version of handbrake and ATV2 preset.
How do these two files compare in terms of total average data rate?

Only half of some iTunes Matched songs on my iPhone will play, then audio skips to next song in playlist!

Several (maybe 5%) of iTunes Matched songs on my iPhone do this... at EXACTLY 1/2 way through the song.
EXAMPLE: At 2:25 of a 4:50 long song (Shania Twain - From This Moment) the next song in playlist (Taylor Swift - Tim McGraw) starts as the audio skips to beginning of next song in playlist. Oddly, Shania's attractive album artwork and title stays up while Taylor's tune plays (?)
When the timeline for the first Shania song hits the end, the artwork slides to Taylor Swift's CD Cover art and the timer slider adjusts to near the end of that song.
When I play same songs on the same playlist on iTunes (also downloaded from iTunes Match) this does not occur.
Does anyone else see this happen or are there any suggestions?
THANKS
geo

Hey Guys, from my late model iPhone 4, I am also seeing my iTunes Match songs terminate playing very abruptly ...some won't play at all ...others skip to the next track after 10 seconds.
I checked the source files on my iMAC, and they are 100 percent perfect.
Tried deleting them, recreating them, signing out and then back into iTunes with Match On & Off, etc ...still no resolution to these problems.
Maybe the MATCH product is crashing under it's own weight now? It used to be good, but now I am not so sure anymore.
Please post if you have any solution or suggestions.
Thanks!
Pat

Audio skips when streaming from the internet (pandora/grooveshark).

I'm using airport extreme, wired connection, to a macbook pro (2011) and mac pro (2009). audio skips on both devices when streaming from pandora or grooveshark. problem has persisted through system upgrades, clean installs etc... Problem persists through different web browsers (Firefox/chrome/safari)
Ironicaly, Itunes radio does not skip, neither does netflix.
I have seen COUNTLESS posts regarding this problem from many different APPLE users. I would love to see apple address this problem...

Your first step is to determine if there is an issue with this specific movie or if it's a universal problem. Does ANYTHING from the MBP provide both sound and video?
Another thought is DRM coding but that should affect both video and audio. If the movie has DRM coding and your television does not, then the movie won't play. I'm not an expert but I don't think that that's your problem because you do get the video.

Audio Skipping in iTunes

I have been experiencing this problem for quite some time now. When I listen to music files either purchased from iTunes or directly uploaded from a CD onto iTunes, the audio skips. It is as if a second has been taken out of the song -- for instance, a song may jump from 22 to 24 seconds. It is never in the same place, and the number of times it happens per song varies.
This problem does not occur with files downloaded from other sources and played on iTunes. It only happens with the ones that are encoded by iTunes as AAC audio files.
Does anyone know if there is some type of troubleshooting I can perform to see if my computer is having a problem playing AAC audio files?? I am extremely perplexed by this, and no one has been able to help me thus far. Please someone help!

Hi,
I have a similar problem with music files 'stuttering' or 'jittering' and it's particularly noticeable during quieter tracks. Almost sounds like crackles or pops in the background.
The interesting thing is that I played the same problematic files on the same machine using Windows Media Player and they were rock steady perfect!? Suggests to me an issue with the iTunes software. I was similarly tempted to reinstall iTunes and the audio drivers, but I see this didn't help another friend here with the same problem.
Th eproblem has come about since I transferred all music to my new computer running Windows 7 64 bit and wonder if there is an issue with the latest iTunes 64 bit version software??
Any thoughts/advice please? Regards.

The audio skips between titles on my my slide show?

The audio skips between titles on my my slide show?

No rather foggy from a west coast Swedish out-look too.
If burn error - I would
• Use a very good brand of DVDs - Verbatim comes to mind (ever heard me say anything else ?)
• DVD type - DVD-R plays on even older DVD-players (No +/-RW - known problem makers)
• Burn speed - I set it to x2 or x4
Just to get best possibly result
Yours Bengt W

Audio Skipping when iTunes is in background.

Hello everyone.
Whenever I'm playing audio (iTunes, quicktime movies, Youtube, anything involving audio), and I jump around from application to application, the audio skips horribly. It doesn't seem to matter if I have 2 applications open or 20. I don't have any lyric widgets open, which I've read can cause problems.
Anyone know of any solutions to this? It's really frustrating that I can't listen to my music in peace!
Thanks,
-Eric

There is always the throwing mud on the wall and see what sticks approach...
Repair permissions.
Run DiskWarrior. Don't have it? Get it.
Rest PRAM.
Reset PMU (last resort).
Also a good idea to test your memory: http://www.memtestosx.org/
And to keep all media on a separate drive than the OS.
Mike

Audugy 2 Platinum Spdif Optical out audio skips/stutters/static/pop/interfere

I have the Audigy Dolby 5. working, blue light from the sony receiver, but when the dvd plays with powerdvd, the picture is fine, but the audio skips and stutters. It works fine when I am decoding via the audigy and analog,?and I have tried powerdvd and windvd and they both have the same issue with spdif, so the issue is with the Optical out and some kind of interference.
Is there anything?I can do?
Any input would be appreciated, thank you.
My system:
[size="" color="#008000">Coolermaster ATC-20-VX case w/ Rosewill 850W PSU[size="2" color="#000000"> | [size="">[color="#008000">[url=mailto:[email protected]">[email protected][/url] [email protected] w/ Zalman CNPS9700 LED[size="2" color="#000000"> | [size="">[color="#008000">eVga 780i BIOS P03 w/ 2GB OCZ Platinum PC8500[size="2" color="#000000"> | [size="">[color="#008000"> - WD 60GB + 2 - 36GB WD Raptors [size="2" color="#000000">| [size="">[color="#008000">2-MSI [url="http://www.nvnews.net/vbulletin/profile.php?do=editsignature#">Geforce[/url] 8800GT OC in SLI ([url="http://www.nvnews.net/vbulletin/profile.php?do=editsignature#">Stock[/url]) w/ Viewsonic G80-2[size="2" color="#000000"> | [size="">[color="#008000">Creative SB Audigy 2 Platinum? [size="2" color="#000000">| [size="">[color="#008000">XP Professional SP2[size="2" color="#000000">

hey roachmojo,
join the club...i have exactly the same issues as you have...WinXP SP2, Audigy Platinum, Optical In from Sat Recei'ver, Creative Gigaworks 7. analog speakers...
sound skips, stutters, cracks, pops continuously
tried upgrading drivers, but made problem even worse
can't go back to old drivers even with thorough uninstall (registry, driver cleaner pro, manual deletion, etc.)
might be because creative "downgraded" firmware on my card with new drivers
i'm using an Asus A7N8X-E Deluxe M/B with Nvidia Nforce audio onbard (heard there's major issues with this)
any help would be appreciated, otherwise it's time to toss this junk out

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Hey there folks. I'm experiencing Audio skipping and popping while using both the iPod and the Mail application at same time. Typing is also very slow in Mail application while iPod is playing music. Have installed the 2.01 update, didn't try to do this before, so not sure if this is normal behaviour. Even if normal, this should not be so. Any thoughts?
Thanks, Ian

dashto wrote:
Typing is also very slow in Mail application while iPod is playing music
I'm getting a lot of problems with the iPhone slowing down whilst I'm typing.
I haven't played a lot but I think it's just not coping with iPod features whilst it's trying to do all the other cool stuff.
I rarely have a problem with it when not using the iPod function.
But it's not supposed to be like this I expect. Seems like some software is not being polite with CPU sharing

Itunes wont launch due to audio configuration problem

Itunes won't launch saying there is a audio configuation problem, this started all the sudden no new software added no updates, no configuration changes. I've tried uninstalling and reinstalling without improvement and all other audio programs work fine. any ideas?

This is usually a Quicktime problem, see this article:
http://docs.info.apple.com/article.html?artnum=304424

PowerBook Audio Skipping Problem

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