Multichannel Audio Problem

[Marinos Koutsomichalis]

I am trying to route audio to 8 channels, my problem is that I fail to route it to channels 2-10. I have a stero output (main ) at 0,1 and I guess the rest 8 analog outputs are at channels 2-10, but I get sound only out of 2-8 when routing audio to 2-10....

I fail to send audio to the 7 and 8 analog output  of my soundcard..

I use a Motu Ultralight interface, this is what I get when booting the Server

booting 57110

Machine Listening UGens by Nick Collins for SuperCollider 3 

Tartini adapted from Phil McLeod's Tartini project

AutoTrack adapted from Matthew Davies' autocorrelation beat tracker

Qitch based on algorithms published by Judith Brown and Miller Puckette

initialising FFTW for common plans 

done FFTW initialisation 

 Using vector unit: no

Number of Devices: 6

   0 : "Built-in Microphone"

   1 : "Built-in Input"

   2 : "Built-in Output"

   3 : "Soundflower (2ch)"

   4 : "Soundflower (16ch)"

   5 : "MOTU UltraLite"

"MOTU UltraLite" Input Device

   Streams: 3

      0  channels 8

      1  channels 2

      2  channels 2

"MOTU UltraLite" Output Device

   Streams: 4

      0  channels 2

      1  channels 8

      2  channels 2

      3  channels 2

<-SC_CoreAudioDriver::Setup world 00424250

SC_AudioDriver: numSamples=512, sampleRate=44100.000000

->SC_CoreAudioDriver::DriverStart

start   UseSeparateIO?: 0

<-SC_CoreAudioDriver::DriverStart

SuperCollider 3 server ready..

PublishPortToRendezvous 0 5855

ServerWatcher:checkIfReallyBooted : checking!

ServerWatcher:serverReallyBooted : BOOOOOOOOOOOOOOOOOOTEDDDDDDD!

notification is on

I guess sth has to do with those "streams", but I really don't have the slightest idea of what exactly is meant here...

On my code I just use the ambisonics decoder like that :

#w,x,y=PanB2.ar(signal,Rand(-pi,pi),Rand((-0.5*pi),(0.5*pi)));

#ch1,ch2,ch3,ch4,ch5,ch6,ch7,ch8=DecodeB2.ar(8,w,x,y);

Out.ar(2,[ch1,ch2,ch3,ch4,ch5,ch6,ch7,ch8])

Note that the when I change Out.ar's output to 0 I do get 8 channels from 0 to 7...

I'd also any advice regarding how I use PanB2 and Decode, I've never use them before and I can't really test the outcome, I can only check one channel at a time.

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[James Harkins-2]

myServer.options.numOutputBusChannels = 10;

myServer.boot;

The default is 8, of which 2 are the main outs and the remaining 6 will go to the analog outs. Analog outs 7 and 8 correspond to server audio buses 8 and 9 - hence you need to specify 10 output bus channels (i.e., 0..9).

hjh

On May 7, 2008, at 5:18 AM, Marinos Koutsomichalis wrote:

I am trying to route audio to 8 channels, my problem is that I fail to route it to channels 2-10. I have a stero output (main ) at 0,1 and I guess the rest 8 analog outputs are at channels 2-10, but I get sound only out of 2-8 when routing audio to 2-10....

I fail to send audio to the 7 and 8 analog output  of my soundcard..

: H. James Harkins

: jamshark70@...

: http://www.dewdrop-world.net

.::!:.:.......:.::........:..!.::.::...:..:...:.:.:.:..:

"Come said the Muse,

Sing me a song no poet has yet chanted,

Sing me the universal."  -- Whitman

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[James Harkins-2]

Or, if you want to disable the main outs and use only analog 1-8, you could do:

s.options.outputStreamsEnabled = "01";

In the streams list:

      0  channels 2

      1  channels 8

      2  channels 2

      3  channels 2

"01" says off for the first item in this list (main outs), ON for the second (analog outs), and off for the remaining items.

hjh

On May 7, 2008, at 7:49 AM, James Harkins wrote:

myServer.options.numOutputBusChannels = 10;

myServer.boot;

The default is 8, of which 2 are the main outs and the remaining 6 will go to the analog outs. Analog outs 7 and 8 correspond to server audio buses 8 and 9 - hence you need to specify 10 output bus channels (i.e., 0..9).

hjh

On May 7, 2008, at 5:18 AM, Marinos Koutsomichalis wrote:

I am trying to route audio to 8 channels, my problem is that I fail to route it to channels 2-10. I have a stero output (main ) at 0,1 and I guess the rest 8 analog outputs are at channels 2-10, but I get sound only out of 2-8 when routing audio to 2-10....

I fail to send audio to the 7 and 8 analog output  of my soundcard..

: H. James Harkins

: jamshark70@...

: http://www.dewdrop-world.net

.::!:.:.......:.::........:..!.::.::...:..:...:.:.:.:..:

"Come said the Muse,

Sing me a song no poet has yet chanted,

Sing me the universal."  -- Whitman

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[Josh Parmenter]

You can also tell the MOTU to skip the first two in the MOTU control panel I believe. Set default stereo output to Analog 1-2, and the Main outs will not be used.

What James shows below is more efficient though! 

Josh

On May 7, 2008, at 5:48 AM, James Harkins wrote:

Or, if you want to disable the main outs and use only analog 1-8, you could do:

s.options.outputStreamsEnabled = "01";

In the streams list:

      0  channels 2

      1  channels 8

      2  channels 2

      3  channels 2

"01" says off for the first item in this list (main outs), ON for the second (analog outs), and off for the remaining items.

hjh

On May 7, 2008, at 7:49 AM, James Harkins wrote:

myServer.options.numOutputBusChannels = 10;

myServer.boot;

The default is 8, of which 2 are the main outs and the remaining 6 will go to the analog outs. Analog outs 7 and 8 correspond to server audio buses 8 and 9 - hence you need to specify 10 output bus channels (i.e., 0..9).

hjh

On May 7, 2008, at 5:18 AM, Marinos Koutsomichalis wrote:

I am trying to route audio to 8 channels, my problem is that I fail to route it to channels 2-10. I have a stero output (main ) at 0,1 and I guess the rest 8 analog outputs are at channels 2-10, but I get sound only out of 2-8 when routing audio to 2-10....

I fail to send audio to the 7 and 8 analog output  of my soundcard..

: H. James Harkins

: jamshark70@...

: http://www.dewdrop-world.net

.::!:.:.......:.::........:..!.::.::...:..:...:.:.:.:..:

"Come said the Muse,

Sing me a song no poet has yet chanted,

Sing me the universal."  -- Whitman

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sc-users@...
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/* Joshua D. Parmenter

http://www.realizedsound.net/josh/

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