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Audio drop out using IAC bus/Eastwest


Aran

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I am currently using Sibelius to write music, the midi messages are routed through an IAC bus in to Logic, which then uses the Eastwest sample library to playback samples.

 

I play back the music through Sibelius and I can listen through about twice then all the audio stops, i cant hear anything from anywhere, by which i mean its not just the logic audio that stops, there is no audio from any program at all, not even the wierd sound the mac makes when you turn up/down the volume.

 

The only thing that rectifies this is quitting logic. then restarting it... but then of course it happens again!

 

Any body got any ideas to help me?!

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no audio interface just the internal sound card (had a firewire 410 but currently thats not working).

 

I am working with:

Sibelius 6.2

Logic 9.1.7 (32 bit)

Eastwest Quantum Leap Symphonic Orchestra

 

on a 2.8GHz Intel core i7 iMac with 8GB ram.

 

Anything else to help?!

 

Thanks

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Thanks for adding the info to your signature.

 

Very strange problem, sounds like Core Audio is dying on you for some reason. When this happens can you still see the MIDI data coming in from Sibelius in Logic MIDI Activity display in the transport bar? (Just curious to know if the MIDI is dying too).

 

I would open the OSX Console and see if anything is logged there when this occurs.

 

J.

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  • 1 month later...

I'm having a very similar issue.

 

I think it has something to do with PLAY.

 

I'm running Logic in 64-bit mode with EW SO and after it plays back a couple of times, it stops playing back anything until I restart Logic.

 

I have a 2.93 Core i7 iMac with 12GB of RAM.

 

To say this is frustrating and not helpful in the creative process is understating it greatly!

 

-- N

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I did just see this in the Console when it happened again:

 

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: starting exception handler

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Can't load dylib: dlopen(/usr/local/lib/IKStealthBoardAPI.dylib, 2): image not found

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: start deamon

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]:

Jun 22 17:21:22: --- last message repeated 3 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 6532188 (1340399693837387 to 1340399700369575)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 9549104 (1340399700389140 to 1340399709938244)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 11594656 (1340399710322778 to 1340399721917434)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 5604343 (1340399721929008 to 1340399727533351)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 3880322 (1340399727545280 to 1340399731425602)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 1579650 (1340399731457329 to 1340399733036979)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 11048429 (1340399734034581 to 1340399745083010)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 29643352 (1340399745093762 to 1340399774737114)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 7092284 (1340399775310335 to 1340399782402619)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Looking for /Library/Application Support/East West/plugins/libsymphonicorchestraplayer.dylib...

Jun 22 17:21:22: --- last message repeated 4 times ---

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 4461261 (1340399782426380 to 1340399786887641)

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: create PlayerWidget

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: min=15 curr=31 max=47

Jun 22 17:21:22 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: Patch load running time: 1238487 (1340399915239190 to 1340399916477677)

Jun 22 17:21:27 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: elem count 0 theMaxCount 0 0 0 0 0 0 0

Jun 22 17:21:27: --- last message repeated 1 time ---

Jun 22 17:21:27 Natalia-Rakowskis-iMac [0x0-0x63063].com.apple.logic.pro[745]: class registry destroyed

Jun 22 17:23:15: --- last message repeated 3 times ---

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