Getting White Noise in Logic Playback
Hi, I'm getting White Noise on an audio
track I recorded on playback
It sounded fine while recording,
the raw AIF files sound fine on their own,
but it is white noise in the Logic file
please advise, thanks
yes the last upade was 2005 http://download.info.apple.com/AppleSupport_Area/emagic/DriverFiles/OS%20X%20Drivers/
i have logic 7.2 and os a 10.4.6
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I have some dts cd's that I want to import into itunes on a windows pc and then play back on my apple tv 3 (i think its 3, about 9 months old) to listen to through my onkyo amp via hdmi as dts, when I play back I just get white noise. I have seen lots of old posts which go on about converting files but am wondering wherher at the current time with the latest versions of itunes and apple tv whether this should by now be a virtual play out of the box solution.
I have tried connecting my atv to the amp by optical cable but that didnt produce anything better and am assuming that a hdmi cable should be able to reproduce everything an optical cable does.
Is this something I should be able to achieve without having to recode the files?
Tracks are imported to itunes as apple lossless, have tried setting the atv audio settings to auto and 16 bit, neither works yet I was told some time ago by an apple rep that the atv shoud be able to handle any type of audio as it just passes it to the amp to decode. I am not stupid but not that technical when it comes to audio and bitrates etc so any explaination would be appreciated.
Thanks in advance for any helpWilly, the procdedure you describe works perfectly for AppleTV G1. In fact, I frequently play DTS music discs ripped to my iTunes library as Apple Lossless (ALAC) and synched to the ATV. What happens is that, as far as iTunes and the ATV are concerned, a conventional stereo 16/44 audio file is being played; however my reciever detects the DTS data stream, and instead of outputting static, it decodes the 5.1 channels correctly. This process parallels the way DTS discs were designed to be played back: a conventional CD player is connceted, via digital out, to a DTS-aware reciever/pre-amp and the two channels of static are recognized as 6 channels of DTS-encoded audio.
However this process will only work if the player (CD, ATV, PC, etc.) sends a "bit-perfect" 16 bit/44.1 khz data stream to the decoding device. In the case of ATV G2 and G3, as has been discussed elsewhere, the unit resmaples all audio - including 16/44 PCM (Redbook CD) - to 16/48. While this is not a big deal for conventional audio CDs, MP3s, and AAC files, it mangles the fragile DTS datastream and renders it undecodable. The resulting static that you hear is just like the static you would hear if you played a DTS CD on a non-DTS capable system.
Sadly, I'm not aware of any easy way around this. You could use a program like Foobar (and the DTS plugin) to convert your DTS CDs to 6-ch .wav or .flac file. From there you could transcode the file to AC-3 and then mux it into a video container that ATV supports. You may need add a dummy video track, for iTunes/AppleTV to be ok with the file, though I'm not sure. This may be a lot of work.
Sorry for the bad news. I wish that the iTunes/ATV ecosystem had better multi-channel audio support.
Steven -
My ears are ringing from blast of white noise from Logic 9
NEVER had this happen in Logic 8 (or any other software for that matter) on same hardware.. Not only can you not OPEN Logic 9 by clicking on a logic 9 file, SAVE in Logic 9 without it putting audio out of sync, now I discover you cannot RECORD for more than a few minutes without getting a blast of white noise. Seriously, my ears are still ringing 8 hours later from this noise. If they are still ringing Monday I am going to the hearing specialist and Apple WILL be paying the bill. I pray no serious damage has been done and that I will still be able to do mastering work. If I monitor through Logic, even at 128 the monitored audio will occasionally slip out of sync and there will be like a 2 second delay in the monitored audio, then eventually a deafening blast of white noise. To release software in this untested state is totally negligent, irresponsible and downright dangerous. Disgraceful.
chucknkd00 wrote:
had this happen yesterday. at least we could SEE it in the waveform and turned down to check it. no reason at all to get it, but it just decided to do it.
BTW, i used to have this happen to me in L7 and L8 sporadically after a few mins of recording on the same track, never did understand the reason behind it.
Right, it's not new to Logic 9.
I always thought this may happen when either... (pick one or any combination thereof)
1. A drive was asleep (not necessarily the recording drive) and wakes up.
2. The OS starts writing a swap file to the system drive.
3. Journaling kicks in to record changes in the disk structure.
I turn Journaling off on any audio drives.
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Some plugins need re-authorization when you change a certain file or files in your system.. or if the file structure itself changes.. or the drive is renamed for example.. It could simply be that IK used a different form of authorization routine to their other plugins or versions of their plugins, with Amplitude 2.... Nothing to do with an incompatibility...or problems.
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Hi,
I did some more testing this time a shorter 2 minute video. Again trying to mute sections of the audio. I used garageband again to edit. Then convert the MOV with both FFmpegX and Flash 8. FFmepgX converted the file in about 1 minute, but still did not render the muted sections as mute.
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Hi,
Recently I have installed ShowShifter. It's a great program and very stable. Everything works as it should from excellent TV picture and sound, recording, showshifting, playback, etc . Except one thing is not working correctly: the recording from standby .
When I schedule a recording and put the machine into standby it will start the recording as planned. When I then later play the recording the picture is ok, but there is a lot of white noise. Also when I select TV I get white noise. After a restart the TV programs are ok, but the recording has still the white noise.
I did some testing and found out that when you go into standby and come back that always the white noise is present in the TV programs.
The following drivers are installed: 4.31 NVidia Audio drivers and the latest beta TV Tuner drivers.
Does anyone has the same problem? Did you find a solution?Quote
Originally posted by Stu Online
do you mean white noise in the sound?
Sorry, I think I wasn't clear in this respect . Yes, white noise in sound.
I have found out that the MSI MS-8606 Video Capture Driver 4.102.11 from 15042004 (the new beta driver) is the one that is not working correctly. When you disable it and then enable it again then the white noise IN SOUND is gone and the tv sound is back.
I have reinstalled the older driver from 082003. That one doesn't has the 'standby' problem, but gives me a grappy picture . So that's a no go.
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HELP!!!!TrilhaSonora wrote:
I have a Saffire 6 (USB 1.0 - unlucky draw!) bought on Amazon in November 2011.
So, that's two years of service, and now my options are:
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2. Lie to someone and trick them into buying it - If it's a PC owner I'd have to lie about the root hub issue to sell this thing.
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I just started using Garageband to record vocals and percussion; there is white noise on the playback. I'm using the built-in microphone on my ibook. Should I filter, or adjust the volume during recording? When I turn the volume down, the recording level seems too low.
Thanks.If you're on a budget the Logitech USB mic works well and you won't need other devices like the Griffin to get the mic to work. If you can spring a little bit more, then the Samson C01U is the best way to go. You'll also get much better results with the Samson for micing drums and other instruments. Here's a link for the Samson:
http://www.samsontech.com/products/productpage.cfm?prodID=1810
The Logitech USB can be found in most stores, even Wal-Mart. Hope that helps -
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A stange thing in logic 7.2 that nor apple or digi design can fix. Any one seen this?
The config ( my belif is that all drives and programs are the latest and greatest.)
Macbook pro 2.6
0s 10.4.6
Logic 7.2.1
Protools LE 7.1.1
Digi core audio 7.1.1
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I have wiped my computer and installed protools then logic with no luck.
I have wiped my computer and installed logic then protools. No Luck.
Anyone?
Thanks
T2mot
Macbook pro 2.6 Mac OS X (10.4.6)Just to confirm, you have -not- installed the CoreAudio standalone driver -and- the one that installs with ProTools? This can certainly cause problems.
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