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Aggregate Device in Mac OS
I've been using an Apogee One for a while now, and I wanted to get a second microphone to record vocals and my guitar simultaneously using separate mics. When setting up the aggregate device in audio devices, I can bind them together, but I'm only getting one microphone to record. They are both set to the same sample rate (44.1 kHz), however the Apogee One is 1 ch 24-bit integer and the Blue Yeti is 2 ch 16-bit integer. Does this make them incompatible to use together? I simply can't figure out why it's not working...
Any help would be greatly appreciated! |
#2
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#3
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Do you know if the different bitrate would affect compatibility at all, assuming the software allows 2 inputs? |
#4
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Bit depth is set as a general Logic Pro X setting eg. 16 bit, 24 bit.
Bit rate is set at the project level eg. 44.1 khz, 96 khz etc. I don't think Logic Pro X will be able to record 2 inputs with different bit rates at the same time.
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#5
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Yes if the Yeti and Apogee One are fixed and different bit-rates I’d guess that to be a problem. Easy enough to prove the theory though. Create a 24 bit project and see if Logic will see the Yeti as a solo device. If Logic is not willing to dither to accommodate the Yeti then you wouldn’t be able to use both mic’s/interface.
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#6
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I use an aggregate mic on a mac of 2 USB micsS- a Shure MV51 and an Apogee iMIC - here are the instructions for setting it up and I did have to fiddle around to get garageband to use it, but not much, and it records two tracks, one for each mic now.
https://www.macworld.com/article/208...crophones.html
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#7
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I have not used a USB mic. Nore the Apogee One
But beside the different bit rates involved Seems to me you would want to first determine (if ) the Apogee One or the Yeti, has its own internal clock, if so then you may also encounter an unsynced clocking issue ....... unless #1 they both use the computer's clock #2 you can select what clock to use in the device setup menus
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#8
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Wow, thanks everyone for the detailed information! I truly appreciate it. Unfortunately I still can't get it working... After trying everything below, the Yeti is still the only one getting picked up by Logic. I know the Apogee One is receiving signal as the level indicator on the device lights up when I speak into it, so I'm stumped.
For reference, here are the individual mic settings as well as the aggregate setup. Note there are two selectable Yeti microphones, but they are the same one - it appears one is just for the input and one is for the output. I've chosen the input one for all my tests. Quote:
So since both can be set to the same bitrate, perhaps this shouldn't be a problem? Quote:
Again, I think the bitrates can be set to the same as each other on each mic. In Logic I see that I can change the project to 44.1, 48.0, 88.2, 96, 176.4, or 192 kHz (I've kept it in 44.1 as that's what my aggregate device is set to) seen here As well as being able to choose recording at 24 bits seen here I tried ticking 24 bit on and off, and both times it's only picking up the Yeti. Quote:
I actually found this online as well and that's essentially the process I tried with my mics, but since I'm using Logic the settings are a little different than in Garageband, so I can't follow it verbatim. Quote:
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#9
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As far as terminology you appear to understand the concepts and it is not a big deal but for clarity There is bit depth (24 and 16) And then there is sample rate (44.1, 48 ,88,96.192) but there is no bit "rate" Also for this discussion about aggregate device don't think of the the Yeti and One as microphones, what we are really discussing is the interface capabiltiy of those units Also I do not think you are choosing the bit depth "for the microphone" You are choosing the bit depth for the Logic project And as far as the clocking it does appear that you can select either the Yeti or the One and sinc the other to it ' which is good . So the thing that strikes me curious and could possibly be part of the problem is the aggregate screen shot "Yeti and One" is only showing 2 outs But in the separate ones it shows the Yeti showing 2 outs and the One is showing 2 outs So one would think the aggregate should be showing 4 outs ??? So since you are trying to bring at least 3 channels into logic it does not add up . The aggregate I would think, would have to be showing at least 3 if not 4 outputs Again I don't know Logic But in PT there is an I/O window that shows a grid for all the possible inputs and outputs What does the Logic I/O window show for the device/s ? it should be showing both the Yeti and One and should be showing all 4 possible outputs from the two devices . Also I am assuming you have either one stereo and one mono channel, or 3 mono channels set up in your Logic project correct ?
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#10
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I went back into the aggregate settings and did everything the same except I selected both the in and out for the Yeti, so there are "3" microphones comprising the aggregate device (but only 2 physical mics, in reality). Then in Logic when creating a new track, I chose a single track for both microphones and selected in input at 1+2. When I recorded I was getting response from both microphones, and the Apogee One was set to the Left Stereo and the Yeti was set to the Right Stereo. I then deleted that track and added 2 separate tracks. The first track I set to input 1 and the second track I set to input 2 and lo and behold, it worked! They are both recording both Left and Right. In the current setup, the Apogee One is apparently input 1 and the Yeti is input 2. Maybe this is something I could change in the aggregate settings, but I don't really see a need to now that I've got both mics recording at the same time. Thanks everyone for the help! I still don't completely understand everything so I'd still appreciate if this conversation went on even though it's now "solved." |
#11
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i use the apogee ensemble with logic prox and have had four mics via xlr or 4 instruments via the hiz inputs utilizing the aggregate and multioutput aspects.
sometimes it may be the order in which you choose the items. i usually start with the apogee software and then open up logic. then, i can choose my aggregate and multioutput. note that i do have my multioutput set for front and/or rear monitors so that may not apply to you. i always run in 24 bit, 44.1khz. here is an apple link that may help you set this up better, even tho you do have it working fairly well. hope this helps. play music! https://support.apple.com/en-us/HT202000
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#12
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Why does this happen?
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#13
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Enjoy the Journey.... Kev... KevWind at Soundcloud KevWind at YouYube https://www.youtube.com/playlist?lis...EZxkPKyieOTgRD System : Studio system Avid Carbon interface , PT Ultimate 2023.12 -Mid 2020 iMac 27" 3.8GHz 8-core i7 10th Gen ,, Ventura 13.2.1 Mobile MBP M1 Pro , PT Ultimate 2023.12 Ventura 12.2.1 Last edited by KevWind; 04-13-2018 at 10:06 AM. |