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Author Topic: External (USB) Audio and MIDI devices  (Read 2313 times)

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Offline tcwild

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External (USB) Audio and MIDI devices
« on: August 02, 2015, 05:44:13 pm »
I'm proudly moving on to my 'home studio' machine, and have installed Peppermint 6 after a brief 'trial' with the Live CD.

Two key pieces of gear in this system are the external 'sound card' (Tascam US200 USB Audio Interface) and the external MIDI interface (MOTU Micro Lite).

The only things I know for sure are:

1) I need to do a lot of studying about Linux sound and ALSA,

and
2) My system appears to recognize the two devices, as evidenced by this:

rone@FionaP6 ~ $ lsusb
Bus 002 Device 003: ID 0644:8034 TEAC Corp.  <- the Tascam Audio Interface
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 07d1:3c16 D-Link System DWA-125 Wireless N 150 Adapter(rev.A2) [Ralink RT3070]
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 008: ID 10d5:55a2 Uni Class Technology Co., Ltd 2Port KVMSwitcher
Bus 001 Device 007: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 001 Device 006: ID 045e:00b0 Microsoft Corp. Digital Media Pro Keyboard
Bus 001 Device 005: ID 058f:9254 Alcor Micro Corp. Hub
Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
Bus 001 Device 003: ID 07fd:0001 Mark of the Unicorn FastLane Quad MIDI Interface <- the MOTU MIDI interface
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
rone@FionaP6 ~ $

Is there a good tutorial (either a video or a document) that goes through, step by step, how to get these devices connected so that I can use them? I'm planning on using Rosegarden as my primary recording/mixing tool once I get things playing together.

Thanks

Offline PCNetSpec

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Re: External (USB) Audio and MIDI devices
« Reply #1 on: August 02, 2015, 06:13:40 pm »
Maybe this''ll help:
http://tedfelix.com/linux/linux-midi.html
and/or maybe some of the other links scattered through this topic on  my other forum.
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline tcwild

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Re: External (USB) Audio and MIDI devices
« Reply #2 on: August 02, 2015, 07:46:01 pm »
Maybe this''ll help:
http://tedfelix.com/linux/linux-midi.html
and/or maybe some of the other links scattered through this topic on  my other forum.

Thanks. I found that earlier, and it will be very useful - once I can get my external hardware active. There's a LOT of very useful info out there about low-latency kernels, alsa, etc.; but I haven't found anything that describes how to get the external devices engaged.

Thanks again.

Offline tcwild

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Re: External (USB) Audio and MIDI devices
« Reply #3 on: August 02, 2015, 11:03:03 pm »
I've installed the ALSA mixer, JACK, and PATCHAGE and grabbed some screens; but perhaps my 'newness' here prevents attchments?

Here's some more info to perhaps better describe my situation.

- Other audio apps (including the ALSA and JACK apps) indicate that, by default, they are seeing just the built-in (RealTek) audio adapter. I have disabled that adapter in the BIOS as the studio setup on this same machine in Win7 did not function correctly unless I did that. I'm pretty sure I should be able to work around that in Linux.

- None of the GUI apps see either of the devices, while CLI commands (at least lsusb) seem to see them.

So... i need guidance from the collective about how to 'connect' these devices so that the GUI tools see them. From their I may be good to go if I can find the drivers, right?

Thanks again guys.

Offline Slim.Fatz

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Re: External (USB) Audio and MIDI devices
« Reply #4 on: August 03, 2015, 02:25:34 am »
Hi tcwild,


You should read up on how to set up and use pulse audio. It permits programs to "speak with" basically one "coordinator" (pulse audio), while pulse audio takes care of the communications with the various devices. Learning how to use it can get you going in complex setups.


Regards,


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Offline PCNetSpec

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Re: External (USB) Audio and MIDI devices
« Reply #5 on: August 03, 2015, 04:06:12 am »
OK, (with an active internet connection) can you run this command:
Code: [Select]
cd ~ && wget http://www.alsa-project.org/alsa-info.sh -O alsa-info.sh && bash alsa-info.sh --upload
you should then be presented with a bunch of output that ends with something similar to this:-

Quote
Uploading information to www.alsa-project.org ...  Done!

Your ALSA information is located at http://www.alsa-project.org/db/?f=fc4b5573dd3a50c6da9248934059ea9fd192b2c2

Please inform the person helping you.

Can you post the link (the part in red) back here.
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline tcwild

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Re: External (USB) Audio and MIDI devices
« Reply #6 on: August 05, 2015, 01:40:51 pm »
OK, (with an active internet connection) can you run this command:
Code: [Select]
cd ~ && wget http://www.alsa-project.org/alsa-info.sh -O alsa-info.sh && bash alsa-info.sh --upload
you should then be presented with a bunch of output that ends with something similar to this:-

Quote
Uploading information to www.alsa-project.org ...  Done!

Your ALSA information is located at http://www.alsa-project.org/db/?f=fc4b5573dd3a50c6da9248934059ea9fd192b2c2

Please inform the person helping you.

Can you post the link (the part in red) back here.

Thank you SO MUCH for this. I've run out of time to dig into this (leaving on a road trip tomorrow); but I'll use this after I return!