L1 Model II

Let's talk about the L1® Portable Line Array Systems

Using proprietary Bose® technology, L1 systems combine  PA and monitors into a single, highly portable unit. The  loudspeaker can be positioned behind or to the side —and you hear what the audience hears.

Highly portable PA and monitor combined for solo performers, DJs and general-purpose use. Fixed vertical control with 180° horizontal coverage Reduced vulnerability to feedback.

Three systems to choose from (Compact, Model 1S, Model II)
Two passive bass module options (B1 or B2)
Consistent coverage and tonal balance, portability and easy setup.

I'm hoping an At-Bose'r can chime in here and check this out:

I'm trying to create an Aggregate Audio device in Mac OS X 10.4.10 but I'm having a problem getting the 2 Bose inputs to become part of the Aggregate. I tried combining it with the Mac's built-in audio, but I still only see 2 inputs (the mac's, I believe).

When I tried with my Presonus FirePod (10 inputs over firewire) and the built-in audio, I then see 12 available inputs.

I'm not sure if it's an issue on my laptop or an issue with the T1 utilizing Mac OS X's CoreAudio driver - can you folks verify this?

Aggregate Audio

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Original Post
OK. Back.

Craig-at-Bose asked me as a "Mac person" (at home, not here at Bose) to look into this a bit. Last night all I was able to do was get up to speed on this feature of GarageBand called Aggregate Audio, and to scan the Apple Support area of their website to see if I could learn anything about not seeing a USB audio device in the Aggregate Audio list.

Unfortunately, I didn't find anything.

Does anyone else have a T1 and a Mac with GarageBand so that we could test one other setup to see if the problem persists? (I'll ask Craig if I can get a T1 to take home tonight so that I can check it on my Mac too.)

I posted a question at the Apple GarageBand message board (http://discussions.apple.com/thread.jspa?threadID=1057422) to see if there's any help there.

Ken
I could try it out a home this evening as well.

MacBook and 2 T1s.

Note, I did successfully record a single T1 in garageband by using garageband preferences to select a single Bose audio device. We need the aggregate audio to record more than one T1 at a time.
Hi Jim,

Thanks a bunch for the additional help.

Yeah, I had no trouble seeing the audio from a single T1 (was not using Aggregate) several months ago when we were first testing.

Hopefully, we'll get to the bottom of this soon.

Craig has asked another super-geek to try this at home tonight.

Ken
Armed the tracks, I could see the unique track recording assignments by moving a microphone between t1 inputs. However I was not able to get a decent recording level on the tracks (Note track 1 - barely visible volume - this was with the mic trim pegged full, and reasonable volume coming from the Bose model 2,)
I double-checked with my wife's macbookpro today and I'm seeing ther same thing - I can select both built-in Input and Bose USB Audio, but I only get 2 inputs instead of 4.

Ken, what Apple forum are you referring to? I can combine built-in audio and my Presonus, so I know that it "should" work. I would think it is more something with the way the T1 works with CoreAudio.
Hi Dave,

Click here to link to the thread I started in the Apple forum for Garage Band.

There's a reply in that thread that may shed some light:

quote:
Only one thought occurs to me. check your device's settings in Audio MIDI Setup utility and make sure it's set to 44100 and 16-bit. i know that all devices have to have the same sample rate and/or bit depth (i can't remember if it's both or not, but it's at least one)

perhaps a device with incorrect settings doesn't even show up in the device list?


Does this make any sense to you?

Ken
OK DOKEY!

Now we're getting somewhere.

I think we need to see if others can verify this on their machines before declaring victory.

Dave, any chance you can post some screen shots of how you do this configuration?

Once we're certain this is the trick, we'll put it in our FAQs and to the wiki.

Thanks for running this to ground so far Dave.

I'll also double-thank "hangman" over in the Apple Garage Band forum

YIPPEE FOR THE INTERNET!!!

Ken
Sure thing - so, here's what you do:

1. Open Audio Midi Setup and ensure that the interfaces you want to "combine" are set for the same bit depth/resolution (in this example, Built-in Input and Bose USB - both should be at 48000 and 24bit):





2. Then, choose "Open Aggregate Device Editor" from the Audio menu:



3. Next, click the "+" button to add a new device and check the "Use" checkbox next to Bose USB Audio and Built-in Input - you'll see the number of inputs add up to 4 (in this case):



You can name the device whatever you want...

4. Save it, and then select it in GarageBand:



That should do it...

Dave
I just got the T1. I've recorded multiple tracks using mixcraft. Works great. Only problem, if I try to monitor it records what I monitor. Not good. I can record all day long, but if I want to add a vocal track. I don't know what to do to monitor the other channels without recording what I'm monitoring. I saw on another thread someone had the same problem, but thought there was an internal setting in bose to get beyond this delima ;
Hi Jim (Mead),

I was wondering if you have tried your T1 as part of OSX Aggregate Audio Device setup in conjunction with DaveNJ' advice
". Open Audio Midi Setup and ensure that the interfaces you want to "combine" are set for the same bit depth/resolution (in this example, Built-in Input and Bose USB - both should be at 48000 and 24bit):". (This is now in the wiki under T1 ToneMatch™ Audio Engine/Recording/Mac.

If this all worked for you using GarageBand then I'd like to document it in the wiki.

So, did it work for you?
Hi Boman,

In the T1™ Prefs check USB to PC

It looks like you can set the source to be the vocal channel only.

In the picture below I have set the USB to PC output for the Left Channel so that it sends Channel 1 (only). I didn't see a way to mute the Right Channel, but you can connect it to an unused Channel, in this case Ch 4/5.





Does that help?



quote:
Originally posted by BoMan the guitar man:
I just got the T1. I've recorded multiple tracks using mixcraft. Works great. Only problem, if I try to monitor it records what I monitor. Not good. I can record all day long, but if I want to add a vocal track. I don't know what to do to monitor the other channels without recording what I'm monitoring. I saw on another thread someone had the same problem, but thought there was an internal setting in bose to get beyond this delima ;
Hi,
I was sent this thread by Joe Norris at Bose support. I had called because I couldn't match the sampling rate of Garage Band to the T1.

I've tried the suggested OSX Aggregate Audio Device approach that I found here, and I just get another audio choice that still doesn't match the 44.1 format of GB. I do not see a way of changing the sampling rate in either GB or the T1 settings and hope you can further guide me so that I can record in Garage Band through the T1.

I'm using GB version 2.0.2 and Tiger 10.4.11

I will be thrilled if I can resolve this issue Smile Thanks,
Charla
Hi Charla,

We have an article in the wiki that shows the images that are missing in the posts above.

GarageBand and the T1®

These show where you can change the sample rate in Garageband, (shown as Format).

If you are not seeing that option, maybe it is not available in your version of OSX and GarageBand. I think those screen shots were taken with OSX 10.5.2

I'm not running my Mac right now or would check the version.

Please take a look at the pictures in the link and let us know if you have the option to change the Format to 48000.

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