Hardware :: Audio Distortion On My Blue Snowball Mic
Mar 10, 2010
I'm having issues with audio distortion on my BLUE Snowball mic. This happened in GarageBand on my old MacBook running Leopard as well as my new MacBook Pro running Snow Leopard. I've tested mics, cables, and USB ports. Nothing is consistent.
I'm using 3 mics simultaneously. The distortion doesn't not occur in any predictable manner. Sometimes it's present from the start, while other times it doesn't happen until I'm halfway through my podcast. It's not clipping audio, more-so clicks and interference type noise. I've read some people saying there are often issues with audio drivers and USB, and others saying that it's because the power going to the mics from the USB port is dirty.
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Dec 13, 2009
I have a Core Duo 2006 Macbook 2ghz, 2gb RAM, running 10.6.2 and whenever the CPU is taxed for an extended period of time, chances are I'll get some audio issues. What usually happens is that the audio will stutter for a second or so, then change instantly into a heavily distorted 'bitcrusher' output. The only way to resolve this is to restart whatever program is outputting audio. So far, this has happened in both Firefox & iTunes.
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Jan 9, 2010
Sometimes, while watching a streaming video on my Macbook, the audio begins stuttering and tearing (that's the best way I think to describe it). Pausing and refreshing the tab is useless, and, usually, closing and reopening the browser is equally useless. This problem is not limited to just one steaming site -- issues occur on Youtube, Hulu, Megavideo etc... For about ten minutes (though sometimes longer), the audio across all programs on my Macbook does not work properly until the problem mysteriously solves itself.
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Mar 27, 2010
I have a 24" Intel iMac, with the latest version of Snow Leopard. I bought it last July and have AppleCare. For as long as I can remember I have this problem with it:
* Every 30 seconds, almost to the second, the audio from the built in speakers distorts and gets slightly louder. This lasts about half a second then goes back to normal
* It only manifests through the internal speakers, it's fine through headphones
* Rebooting makes it go away temporarily
* I've reset PRAM and SMC to no avail
* I've tried turning Time Machine off to no avail
* I've taken it into my local Apple Service Centre, they couldn't replicate the problem, it only seems to happen in my house (every room I've tried it in is the same)
* I bought an expensive power filter/conditioner, this hasn't helped at all
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Oct 13, 2008
I recently got my MBP and I noticed there's a issue with headphone audio distortion. When I plug in my earphone or headphone without any sound playing, there's a clear whining noise like zi zi zi sound which is really clear, sounds like old 80s radio noise. When I play the music, of course it was covered by the sound of music but it really bugs me out knowing that I cannot listen the pure sound of my music. The volume of this distortion noise would not change while I turn up or down the volume of my MBP. I asked someone professional, he said it's a famous issue of screen frequency disturbing audio in macbook pro.
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May 26, 2010
whenever I'm listening to music or watching a video after a while the audio will drop out, stutter, or become horribly distorted. If I pause the video or music for a second then start playing it again the output will be okay for a few seconds to a few minutes then stutter again. If I leave it stuttering the output will either eventually go back to normal or just stay stuttering or muted. Once or twice I've got a 'you need to restart your computer' kernel panic error (log attached/linked to below) and twice my computer has seemingly randomly restarted itself.
I know it's not an issue with my connection as it happens on locally stored files as well as streaming media. I know it's not a hard drive issue as I've had the problem across two different hard drives (I used the Migration Assistant to swap my stuff from one HD to another, presumably bringing across whatever causes the problem). I've had it with two sets of RAM as well. It happens whatever web browser (for streaming media) or music/video player I use for local files. If I restart the computer I get a longer period of time before the stuttering starts, and it gets more frequent the longer I leave my computer running - a RAM issue maybe? These screengrabs where taken either during or shortly after the stuttering had taken place. This top output is after a particularly bad stutter: and here is a log following a kernel panic: [URL]
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Nov 6, 2009
I have a 1.25GHz G4 and I'm going to to upgrade to Tiger and install the max RAM. I just thought that I might want to replace the 80g HD that's in there. What is the biggest drive available for that model? From what little I can find on the internet, it sounds like it's a tricky job.
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Mar 29, 2012
I have iMac 27 and screen problem on start up i have blue vertical lines, when it start i have a lot of blue dots and nothing else. when I connect outside monitor its showing the same.
Just installed lion and still the same problem when it starts blue dots, when startup in safe mode loads of blue lines and dots on the screen.
Info:
iMovie (iOS), Mac OS X (10.7.3)
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Dec 19, 2007
We just updated our G5s here at the lab (QuickTime and Garageband ), and now the sound output is extremely distorted and crackly regardless if its a video on cnn or a song off iTunes. Tried Zapping the PRAM and repairing permissions, even reinstalled QT from the standalone installer on apple to no avail.
Information:
MacBook Pro
Mac OS X (10.5.1)
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Dec 3, 2009
On my Al macbook just recently when I hit Cmd-T to open a tab, safari starts to stutter, beach ball, and a distorted screen image (the size of the browser) appears for 3-5 seconds and the tab finally becomes available. what is going on here and how can I fix it? Never had a problem before and I'm using the latest Safari update.
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Jan 6, 2008
I have made a movie on iMovie HD (using a Mac Book Pro) and have burned it onto DVD using iDVD. When I play the DVD on my TV or another iMac there is distortion during any rapid movement, e.g. a quick moving arm appears jagged and lined. There is also a slight blurriness to the general picture (the sound is faultless). Why this distortion is occurring?
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Jan 28, 2009
My MB started doing this really strange thing where the screen gets all weird and distorted when scrolling. There are photos to show what's going on.
I have 4GB of OWC memory installed, but this was happening before I installed that so I can kind of rule that out.
Has anyone else had this happen, or know what causes it. I've tried all of the usual fixes like a fresh Leopard install and combo updates.
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May 10, 2012
I am having a problem playing some mp4 files through Quicktime. When the video is played in Quicktime (or Pro Presenter 4), portions of the video turn into distorted white blocks that move with the video. It doesn't continue throughout the whole video, but I can't discern when or why it only affects certain portions. It does it every time at those places in the video. I downloaded VLC, and the same exact file plays perfectly fine in VLC and on other computers through various programs. I have only seen this problem on this computer.
Is this a codec issue? How do I fix it? The files in question are mp4 files using h.264 video and AAC audio at 1920x1080 resolution. I can play other mp4s using h.264 and AAC without any problems.
I have only had this problem with one of the companies that we periodically hire to produce videos for us. I'm guessing that it has something to do with the way he encoded the video, but I have no idea what the problem is. It's probably not his fault if it only distorts on this one computer.
Here is what the white block distortion looks like:
Info:
iMac, Mac OS X (10.6.8), 3.2 GHz Intel Core i3, 4 GB RAM
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Apr 9, 2010
what I imagined was a documented 8600GT nVidia issue with my SR MBP (purchased in April 2008 without Apple Care, d-oh), turns out to be a different issue altogether. The display gets distorted and it seems as if the LCD needs a v-sync controller. I have posted a video of it here[URL]. If I move the LCD slightly the distortion will go away. But it inevitably returns after a while. It gets unusable for that period of time. Oddly enough I can go hours without this problem manifesting, and then hours when this problem doesn't go away.
My recourse has been to connect an external monitor to the MBP, and it works great that way. So I am pretty convinced that it is an LCD/Cable issue as well. The Genius seemed to believe it was an LCD issue as well, something about the cable being torn or stretched or something. He quoted an amount ~$650 to get the whole assembly changed. Here's my dilemma: this is my work machine, and I can't afford to have it gone for a few days/week. Is there anything I can try at home before handing it to Apple for repair... like try and reseat the cable... I have opened the MBP in the past to replace the HDD. Should I even bother to get it repaired, if I can't fix it myself, or should I just save the money and get a new MBP?
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Jan 22, 2009
Just got a new white MacBook yesterday (MB403LL/A) and have noticed, that depending on a slight change in viewing angle, pastel colors can get really distorted, even appearing as other colors, e.g., light green->gray and light orange to pink. One example would be Google calendar when editing an event. Looking at the screen in a normal position, the background appears gray, but when slumped down in my chair it looks green (the actual color). Is this a normal problem with MacBooks or could my display be defective? I took a couple snaps with iPhone that didn't turn out to hot but illustrate the point:
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Jun 22, 2010
My two previous older macs have been perfect to me, but this new MBP I5 model is giving so many issues lately. Every once in a while, my computer's graphics (I am assuming) goes crazy, and I get this pixelated distortion that's right in the middle of my screen that's about 2"x5" on my 17" screen. This happened just earlier, while I was using Safari. However, even after closing all of the Safari windows down, the distortion will still be there, and will stay there regardless of what I have or don't have open. Logging in and out will fixes the problem, and everything goes back to normal for the mean time. Any one ever experience similar problems or know what I could do to see what's going or fix it?
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May 9, 2010
I've just received a brand new MBP 15 i7 with high res. matte screen. Occasionally the screen becomes sort of distorted by red pixelated shadows that seem to depend on the current wallpaper, and also to some extent stay in the background when white background windows are opened. I have posted a picture taken by camera on Flickr, since a screenshot will not capture it. The funny thing is that I can make it disappear by closing the computer and reopen it again. I cannot force it to appear again though. Is it a driver problem? It doesn't appear on the startup splash screen or on secondary monitors. Here is the photo of the phenomenon: [URL]
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Aug 7, 2009
After a few minutes of rebooting the machine i will use spotlight and it will be very flickery. Like when updating results, the blue bar flickers white and blue very quickly and almost unnoticeable. Also, related, when scrolling a list in the dock through a stack shown in list mode, it flickers a lot there as well. Is this normal behaviour for these machines/leopard in general? I'm used to using a crappy old iBook so i dont know if im just being pedantic.
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Jan 1, 2010
I just got a new mid 09 macbook pro no matter how I calibrate the screen. the dark/deep blue will always look like purple colour.
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Feb 5, 2012
My 2008 Macbook restarts and shows the desktop, then goes blue. It then shows the desktop again before going blue again. Cannot open Finder or anything.
Info:
MacBook
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Sep 17, 2010
while i am using my macbook the screen will suddenly go blue and flash between different blue colors like it is trying to work. sometimes it comes back on but most of the time it stays like that. I have to force shut down with the button and then restart...about half the time it is still flashing blue after the restart and if it does work, it goes blue eventually.
dont know if its a problem with the screen or what because the computer continues to work...if there is a movie on, you can here it in the background and the screen just flashes.
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Jan 13, 2011
I want to hook my Macbook Pro up to a Sony Bravia (not sure of the exact model). I went to the Apple Store, and was given these two items to hook it up. Moshi Mini DP to HDMI Adapter with Audio Support. Belkin High Speed HDMI Cable - 6 feet
We successfully hooked it up last night, and the video worked. I was told in the store that this setup would not transfer audio, so I already knew there would not be sound coming from the TV, rather from the Macbook instead. My Q is: What's the easiest way to get audio to come from the TV? I'd rather not buy external speakers to plug in, if I can help it.
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Apr 25, 2009
When I use some powerpoint presentation containing audio-visual info keynote always seems to prematurely end the audio part. Have tinkered with it a little, but can't seem to sort it out
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Nov 3, 2010
Trying to figure out if something is up with mine and a buddies machine specifically or they are all buggered....
Please post if you have an audio pop or click type sound that is intermittent (every few minutes or couple hours) on your i5 or i7 machine while playing audio through external speakers.
If you have it, please describe your situation as it occurs so we can perhaps isolate it:
I.e. Plugged in / on battery, programs running, usb plugged in, etc.
Mine happens whether on battery or not, iTunes, games, movies, Locked in video card...
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May 29, 2010
I want to convert some video files (specifically swf in this case) to audio files so I can listen on my iPod. I looked everywhere and can't find some free software that does that. There are tons that have trial periods with lots of limitations (like it won't convert anything larger than a 5k size file) so I don't want those because I won't know if the thing works well unless I pay for it. I'm not opposed to paying for a converter IF I know it works awesome on a Mac.
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Mar 7, 2010
I have searched a lot for this question and have not found an answer.
I am trying to play a .avi video on my MAC that was originally in .rar compressed format. I opened it in VLC, and the audio wont play.. so i checked the info and saw that:
video codec: XVID
audio codec: mpga
I have perian downloaded.. it doesnt seem to be doing anyting. I dont know if i've missed something in my extracting process of the .rar file.
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Apr 28, 2012
I have attached my Mac mini to my Sony TV (to use as a moniter) - there hasn't been any trouble with the picture but I cannot get any sound.
I am using a VGA (I know that doesn't send audio over) plugged into the 'PC In' port at the back of my tv, and I am using an audio cable with a normal headphone-type jack on one end (going into the headphone port on the back of my mac mini) and the red/white cable going into the HDMI-in red/white ports on the back of my tv. I can't figure out what is going on - I tried plugging the red/white cables into all the input ports on the back of my tv, just in case, but no luck.
Info:
Mac mini, Mac OS X (10.4.11)
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Apr 1, 2009
I'm using iMovie 09 with the very latest updates applied and I am having trouble with audio skimming in just one of my projects. The project is only 8 minutes long and is just a collage of pictures to music.
The audio skimming button is toggled to on but no green bars show in the equalizer when I skim over the video. The audio works fine when playing the project and in other windows around the project such as the event viewer. I have plenty of free hard drive space and the thumbnails slider is set to '5s'. ALL of my other projects skim no problem.
Now this is the strange part. If I click to enter the precision editor on any part of the video and then click done (even without altering anything) the skimming comes back. It thus disappears if place a new item in the timeline until I go back into the precision editor where it re enables itself.
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Oct 13, 2009
- Volume is at max
- System Prefs>Sound>External Speakers>Volume Max>Not Muted
- No red light coming from the headphone jack
- Tried inserting and removing headphones, no sound in speakers or headphones
- Restarted computer while holding down ⌘ + OPT + P + R , no sound made
- A very very faint feedback, like when you plug an electric guitar in to an amp, can be heard when the first sound (the mac start up chime) is supposed to play on restart
- USB headphones work
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Aug 4, 2010
With the new Mac Mini models, you can have audio out via HDMI or the line out. I am thinking to hook the mini up to an LCD TV/monitor via HDMI (sound on the monitor) and also to my other TV/sound system via the mini DP and audio out.
I assume when the mini turns on it'll activate both displays (if they are turned on), and from what I understand you can have two displays running. I'd only want one at a time so I'd have the other display switched off. But can the mini output audio to either both, or whichever system I am using? I've read a lot of posts but can't find a definite answer. I only want audio (and video for that matter, but can turn off other screen) to one TV at a time, but do I have to go into the OS audio settings each time I want to swap between the two?
I'm also thinking of using Plex and keeping it open at all times, just sleeping the mini when not in use. Can the mini only output to one source, requiring manual switching to the other (i.e. going from HDMI to audio out)?
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