Sound output pops/clicks/silence Logic & Motu 828mkII & G5 Quad

Mac OS 10.4.3 G5 Quad 3.5Gb ram Logic 7.2.3 Motu 828mkII
When I've got a lot of automation going on, sometimes the sound output cuts out briefly, I hear a small pop or click on the monitors and I have to press stop on Logic to get the audio back online. It only started a couple of weeks ago after a heavy tracking session.
I've done the obvious - repair permissions, checked the wordclock (internal/external), changed the buffer settings, removed third party plugs (only Stylus and Waves)...
As it's an intermittent anomaly I've not had the courage to reinstall everything.
Anyone got any ideas ?
G5 Quad, G5 2x2.5,G4 2x867, MacBook 2.0GHz Mac OS X (10.4.3) logic,reason,sibelius,plugs...

I have the same setup. I think this is more of a "lot of automation going on" issue than a MOTU issue.
How did you do the automation? I would suggest manually adding the automation points (with the pencil) instead of using the "latch" (or whatever) feature.
Also, depending on how much MIDI I have running, I might have to "freeze" some of my MIDI tracks to free some resources. You will probably need to do the same.
I'm not sure about your plugs. There's no way that I know of to profile individual plugs for resource usage. Personally, I use the plugs that come with Logic mostly. I use Ozone in the last part of my workflow for bouncing. And sometimes, I use Melodyne. But, no issues here on fairly large projects (by my standards - 16 audio / 20 MIDI tracks). I do have to freeze a lot of the MIDI though. Ohhh, and sometimes I will bounce the MIDI track to a audio file and create another audio track.

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Speakers popping/clicking in Logic

My speakers are popping and clicking while playing things in Logic. I've had this problem before and it was resolved by turning off Airport. Naturally I have tried this and it doesn't help. Any ideas what could be causing it?
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i'm trying to track down the cause of the same symptoms on my setup.
i'm using a new macbook pro core i7, a brand new focusrite saffire pro 24 dsp.
there is no separate display.
i'm getting the same electronic interference and it's very noticeable and VERY recordable. it's most evident when i'm recording line level input (electric guitars, basses, etc.) these require hi-gain and really bring out the buzzing, chirping, popping and beeping that seems to be connected to the activity on the laptop (selecting menus, switching programs, moving the cursor across the dock, etc.)
i've tried different guitar instrument cables, and different instruments. i've tried headphones versus external speakers. i've disconnected other peripherals and unplugged them from the wall so that only my laptop and the audio interface are powered on.
switching from the macbook pro's 3 prong cable (here in the US) to the little clip on 2 prong plug does nothing. (is that not the same as what people call a "ground lift?")
it gets FAR worse if i remove AC power entirely. running on battery power alone makes the noises much more noticeable.
i've tried different outlets. i've turned off and removed any nearby cell phones (i know the sound of iPhone GSM interference and this isn't it).
the audio interface is powered off firewire but comes with an AC adapter. using it does no good.
moving the guitar further from the laptop doesn't improve things.
i've turned off wi-fi, which does nothing either.
obviously this isn't happening to everyone using a mac to record music or the entire music industry would be at steve jobs' door with flaming pitchforks.
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I have a new iMac 20" (iSight), two days old. I find this computer awesome! Everything is fine except for a little issue with sound. From time to time (randomly in intervals of about 30min to 1 hour) I hear an audio click/pop coming from the audio output port (just heard one of these right now). I have a JBL creature speaker system connected to the iMac's sound output port which makes the sound really audible. These sound clicks are more frequent after I turn the computer on or awake it from sleep.
Can someonde tell me if this is normal? Can it be because of fluctuations in the electric current supplied on AC outlet? I work with music and, therefore, I need very good sound quality.
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Spinn-
I do a lot of music production work. I have not had the specific issue that you are dealing with.
As far as audio click/pops being normal, I don't know about that. Yes, you don't have the "headroom" that analog recording does when the input sound level peaks and goes above the redline. Sometimes those peaks are reduced to pops or clicks by the software.
If your input level is good, then I do not believe that this is your problem. You may want to check that just to verify.
Another difference with my setup is that my audio does not get transferred to my amp/speakers through any of the Macs audio ports. I have a MOTU firewire interface and all audio is fed from that to the amps.
I have read other posts from folks having the same problem as you describe. I have not seen a fix yet. That does not mean that there is not one. You may want to search these forums and see.
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External speakers popping/clicking sounds on new 24" iMac 2,8 GHz

Hello everyone,
got a new iMac from Gravis in Germany and connected it via it's headphone jack to my external stereo amplifier and it emits clicking or popping sounds whenever I switch the light in my room on or off. I've used the same connection for my Windows PC and that is working fine - no pops or clicks. The problem also exists if the Mac is muted. I can not hear clicks or popping noises when I disconnect the external speakers and use the in-built ones.
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Hi Elvinio,
I'm trying to solve this problem by getting rid of the analog connection between Mac and stereo. I've ordered a digital 7.1 receiver for 250 Euro and a toslink cable for 20 Euro.
Another solution would be an online UPS. That UPS disconnects the Mac from the direct power source and delivers "freshly generated" and "perfect" current without disturbances.
I think that those pops are power surges that are not filtered by the Apple Mac's power supply. My ordinary Windows PC is not subject to clicking and popping sounds - so I suppose that either the power supply or the internal shielding of the Mac is crap.
I hope that those ugly pops are gone when I establish the new connection...
I will post the results of my not too cheap work-around.
Regards
Message was edited by: viciousvex

MOTU 828mkII and Logic Problems

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Just a note, I've had this problem as well with the MoTu 828ii. There is an issue with this system not functioning properly with Pro Logic 7.1. Out of the blue, I start getting a message "Midi and Audio out of synch" messages, and there is no sound. I tried downloading the latest driver, no go.
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Generally, outputs on audio interfaces are discreetly named. So, if your master output is set to Output 1&2, that might refer to your analog outputs. If you want to send the a different set outputs, say, a stereo pair via ADAT, you might need to send to outputs 5&6, instead of 1&2.

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I think I'm finally ready to solidify my setup.
My question is:
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You're absolutely right. I have the same Saffire Pro and the same problems on all my Intel Macs.
Daisy chaining worked flawless on my older Powerbooks with the Same interface. Even copying a stupid file from a hard-drive while playing a stupid MP3 would let the Saffire go ape ;-(
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I bought a RME Fireface 400 and this interface does not have the same problems.
See this article if you want to know more about Firewire audio chips:
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What do you have selected in the drivers menu in audio hardware prefs?

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You need some pro help. I'm only a stand-in while others aren't addressing your difficulties. I would suggest poring over the manual.
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Anyone with a Motu 828mkII who can tell me how and where you route your Mains (output 1-2) and phones (13-14) so that you get the same signal for monitoring/reference playback.
I'd like to check my mix in the phones but can't get signal without setting up another output pair, rerouting, etc.
I read another posting that encouraged the writer away from setting this up in Logic. I have tried my audio/midi settings and also the Motu settings with no avail.
Any help would be great!

Andy,
It sounds as if you have the Phones 'channel' in the MOTU Firewire Audio Application set to the wrong channels.
Go to Applications>MOTU Firewire Console.
The bottom option is Phones. Set this to "Main OUT 1-2"
Click/Press the Volume knob on your MOTU
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Hi
My display often freezes until i press the power key and click "cancel" in the "restart?" box. It happens less if the power cable is in. Also, the sound output sounds choppy, especially in itunes. I think these things are related, because neither seems to happen if there is some contact with the trackpad (if i'm moving the cursor or even just have my finger resting on it).
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Hi,
Sorry, I have no solution - I just want to confirm that I've got the same problem:
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Cheers
M

ITunes + Certain Soundcards = Pops/Clicks!

I've been messing all day trying to figure out this problem and have made some progress. Please could you also test:
Download CR 01 from here http://www.billy-corgan.com/index.php?page=mp3s (this is a downloadable FREE album by the smashing pumpkins). The file is 32mb and contains 4 songs.
Play them in iTunes(windows) and listen out for out random pops/clicks. I hear them in the first 30 seconds of track 1. I am using an RME HDSP 9632 soundcard which is a rather expensive pro audio card.
The same file played through Windows Media Player has no signs of any pops/clicks using the same soundcard.
Now if I change the audio output from the RME card to the motherboards onboard audio, the same file in Itunes does not have any clicks at all.
At first I thought my soundcard might be to blame but this can't be the case because it works perfectly fine with other media players. It's just iTunes(7.1.3.1) that causes these problems.
Please test!

I'm sad to say I listened to the first 43 seconds of the first track. Now that I've finished vomiting, I can tell you that I didn't hear any click or pops (iTunes 7.2.0.35, Quicktime 7.1.6).
Try enabling safe mode in the Quicktime control panel, on the Audio tab. On my computer it sounds fine either way, but some people have better sound with safe mode enabled.
You may also want to upgrade your Quicktime (you can do that separately from iTunes, if you want).
http://home.comcast.net/~teridon73/itunesscripts/

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I'm just wondering if anyone has ever experienced pops & clicks in a timeline, when the original audio sounds clean?
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Thanks guys,
I guess I just need to be more careful next time. AIFF only before importing. It's just that it sounded Ok, and imported fine into the project, so I didn't realize it would create a problem when moving it to another timeline. I'd already reconnected all files to the AIFF file (which took ages since I didn't know how to connect the entire batch of clips to the file at once), and everything sounds good now.
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Sound output pops/clicks/silence Logic & Motu 828mkII & G5 Quad

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