[PD] Is "Audio Settings > Use Multiple Devices" available on Mac OSX?

[Alexandros Drymonitis]

Set the number of channels in the Audio Settings and then use [adc~ 1 2]
for the first two channels, [adc~ 3 4] for the other two etc. Whatever
number you set as an argument to [adc~] will be the sound card's channel
number, starting from one, but you first have to set that in the audio
settings.


On Sun, Feb 16, 2014 at 10:16 PM, Santiago J. Barro Torres <
santiagobarro at santiagobarro.com> wrote:

>
> Hi Miller and Daniel,
>
>
> Thanks for your answers. But I am not sure if we are talking about the
> same thing.
>
> What is the relationship with the i.e. selected "input device" and the
> object [adc~]? I guess that there is a mapping between the "outside
> world" (either a physical sound card or a sound server) and Pure Data.
>
> Let's put a simple example with a single input device as single sound
> card. Let's think that this sound card has lots of channels (i.e. 64
> input/output channels). Is it (somehow) possible to have two [adc~]
> objects (let's name them [adc0~] and [adc1~] for sake of simplicity)? And
> say, that i.e. [adc0~] corresponds to sound-card0-channels-0-and-1 and [adc1~]
> to sound-card0-channels-2-3? (channels starting on 0).
>
> Sorry if this is a very simple question, but most Pure Data patches I have
> seen deal just with single input / output and can't figure out how can I
> work with more entities. And in order to make this question clear, we can
> assume we only work with one sound card with lots of channels. And all
> this, under Mac OSX.
>
> Thanks!
>
>
> On Sun, Feb 16, 2014 at 8:24 PM, Daniel Nigrin <dan at defectiverecords.com>wrote:
>
>> For OS X, use "Aggregate Devices."
>>
>> Go to Audio MIDI Setup, click the little "+" in the lower left corner,
>> and select Create Aggregate Device.  This will allow you to group your
>> various input and output devices, and have them presented to whatever
>> software as a "single" device.
>>
>> Hope that helps,
>> Dan
>> --
>> Dan Nigrin / Defective Records / http://defectiverecords.com
>> CycliC, M185 & Klee Sequencers / MC-4 & MC-202 Hack / Audio Plugin Player
>> / General MIDI Player / Major Malfunction
>> Jack OS X / http://jackosx.com
>>
>> From: "Santiago J. Barro Torres" <santiagobarro at santiagobarro.com>
>> Date: Sunday, February 16, 2014 1:57 PM
>> To: <pd-list at iem.at>
>> Subject: [PD] Is "Audio Settings > Use Multiple Devices" available on
>> Mac OSX?
>>
>>
>> Hello everybody,
>>
>>
>> My name is Santiago, and I am an embedded software engineer. I have been
>> playing around Pure Data for some time, and now I would like to further
>> develop my skills on Music Design // Music Programming.
>>
>> I am working with three versions of pd: Windows, Linux and Mac OSX.
>> Currently, I am having a look at how to use several [adc~] and [dac~]
>> (several input/output devices). In particularly I am doing some experiments
>> using several external USB/FireWire sound cards.
>>
>> So my question is if somebody knows if this feature (using multiple
>> devices) is available on Mac OSX. I have been configuring it on a Windows
>> machine (under Media > Audio Settings > Use Multiple Devices), where I can
>> select i.e. three input devices and two output devices. This button (Use
>> Multiple Devices) doesn't seem to appear in the Mac OSX version of Pure
>> Data, despite of several input/output devices being available!
>>
>> I have found some old threads dealing with this topic, but it doesn't
>> seem to be a clear answer. Why is this option available in Windows and not
>> in Mac OSX?
>>
>> I have done some research by myself and get this thing working, but
>> without luck. If somebody here comes up with a good answer, I will be very
>> grateful. So I thank you all for your time.
>>
>> Software Versions: I am using an "old" Intel Mac OS X 10.6.8 32-bit, and
>> tried with pd vanilla (0.45.4, last version) and pd-extended (0.43.4, last
>> version).
>>
>>
>>
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>
>
> --
>
> *Santiago J. Barro-Torres (Freiberufler)*
> Embedded Software Engineer
> Test Automation and Management
>
> Hans-Thoma-Weg 8, Böblingen
> Handy: (+49) 16 23 85 6767
> santiagobarro at santiagobarro.com
>
>
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