moneycorrupts Posted December 3, 2009 Share Posted December 3, 2009 My computer and accessories should appear below. I am getting serious crackles and pops when using Audio inst. I have tried many buffer combos. I can choose any I/O buffer combos and audio will be fine for around 2 minutes. I used AudioMidi setup in utilities to use both my monitors and interface, i created an aggregate device. Alex J A McClean Link to comment Share on other sites More sharing options...
triplets Posted December 3, 2009 Share Posted December 3, 2009 I think you're bogging down the USB bus, you shouldn't have more than one device on USB. You should get a firewire interface. And depending on the Audio Instrument you use, not enough Ram. Link to comment Share on other sites More sharing options...
moneycorrupts Posted December 3, 2009 Author Share Posted December 3, 2009 Im not talking big projects i mean this occurs on a new file with a single audio track! Even supposing i used a high buffer i should at least be able to record some mic and git regions. Everything works great with midi and software inst. Im more inclined to thinking that i haven't set up my system configuration properly to suit my comp. Any other ideas? Link to comment Share on other sites More sharing options...
involver Posted December 3, 2009 Share Posted December 3, 2009 If you haven't done this already, you could try to rule out any USB conflict by plugging your monitors into your audio interface using audio cables. Do you have anything else plugged into the mac? Link to comment Share on other sites More sharing options...
shivermetimbers Posted December 3, 2009 Share Posted December 3, 2009 Im not talking big projects i mean this occurs on a new file with a single audio track! Even supposing i used a high buffer i should at least be able to record some mic and git regions. Everything works great with midi and software inst. Im more inclined to thinking that i haven't set up my system configuration properly to suit my comp. Any other ideas? It would help to include the version of Logic you use. I would forget about using the aggregate device in this case. I would also recommend using the audio outputs of the Presonus and go to the inputs of the Alesis speakers (do not use the USB for the speakers). USB hubs are available to supply the extra power needed to run multiple usb devices. Link to comment Share on other sites More sharing options...
moneycorrupts Posted December 4, 2009 Author Share Posted December 4, 2009 Thanks a million that worked a treat, i am running the monitors through the interace and audio is great. Also i am able to take advantage of the playback/input dials on the interface. Thanks again <3 Alex Link to comment Share on other sites More sharing options...
robinloops Posted December 4, 2009 Share Posted December 4, 2009 I have the same problem when I try to use aggregate devices and I have a firewire audio interface. The thing about an aggregate devices is that they are limited by the slowest device. In my case that would be the Mac's onboard sound card, which is not fast enough to run my projects. One posible solution is to get another audio interface and use an aggregate device made up of the two good audio interfaces. In the meantime, when I have to have more inputs and/or outputs, I streamline the project by bouncing softsynth tracks to audio tracks (freezing). Then change settings so that the cracks and pops go away. Unfortunately this induces a lot of latency as the onboard sound card doesn't have the best performance. Link to comment Share on other sites More sharing options...
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