Absolutely.

Regards,
Mike

----- Original Message ----- 
From: "Art Hunkins" 
To: 
Cc: 
Sent: Friday, October 27, 2006 9:50 PM
Subject: Re: [Cs-dev] [Csnd] MIDI Pan Curve


> Any idea whether an ambisonic B encode/decode for stereo or quad could be
> done in Csound in *real time*?
>
> Art Hunkins
>
> ----- Original Message ----- 
> From: "Victor Lazzarini" 
> To: "Developer discussions" ; "Art
> Hunkins" 
> Sent: Friday, October 27, 2006 7:17 PM
> Subject: Re: [Csnd] MIDI Pan Curve
>
>
> I'd say ambisonics. Even stereo reductions are
> quite impressive.
>
>>
>> A general question about pan opcodes (including UDO's):
>>
>> Which of the available options give the clearest spatial
>> localization?
>>
>> I understand that many acoustical factors are involved in
>> achieving two- or three-dimensional imaging, but would
>> like advice as to which Csound opcodes create the *most
>> precise* positioning in the stereo (or quad) field.
>>
>> I've always been disappointed that my attempts to position
>> sounds have largely fallen flat, and not been perceptually
>> apparent in any very specific sense. (I've used the pan
>> opcode.) In a nutshell, I'm looking for Csound code that
>> can better project perceptual space.
>>
>> Thanks for sharing your experience.
>>
>> Art Hunkins
>>
>> ----- Original Message -----
>> From: "Steven Yi" 
>> To: 
>> Sent: Friday, October 27, 2006 3:27 PM
>> Subject: Re: [Csnd] MIDI Pan Curve
>>
>>
>> Hi All,
>>
>> Just wanted to note that I did a bug fix of this panning
>> UDO today (hard left gave NaN for right channel signal)
>> and have renamed it to pan_gm2 as it's a recommendation
>> for General Midi 2 implementors.  If you've downloaded
>> this UDO please try downloading again here:
>>
>>
> http://www.csounds.com/udo/displayOpcode.php?opcode_id=90
>>
>> Thanks!
>> steven
>>
>>
>> On 10/26/06, Steven Yi  wrote:
>> > Hi All,
>> >
>> > I came across a document today called "Default Pan
>> Curve" on the MIDI website:
>> >
>> > http://www.midi.org/about-midi/specshome.shtml
>> >
>> > and have implemented it as a UDO here:
>> >
>> >
>>
> http://www.csounds.com/udo/displayOpcode.php?opcode_id=90
>> > > It's described in the spec as:
>> >
>> > Over the course of the development of MIDI, different
>> > manufacturers have implemented
>> > their own responses to CC#10. In addition, various
>> > AMEI/MMA Specification (such as GM2 and
>> > DLS2) have recommended response curves that are not all
>> > the same. The different pan curves produce
>> > an equal power distribution between the left and right
>> > channels, but in some cases, a true center could
>> > not be achieved by following the recommended equation
>> > directly. The formula in this RP does achieve a
>> > true center and uses an equal power distribution, which
>> is desirable. >
>> > The formula given is:
>> >
>> > Left Channel Gain [dB] = 20*log (cos (Pi/2*
> max(0,CC#10
>> > - 1)/126) Right Channel Gain [dB] = 20*log (sin (Pi
> /2*
>> max(0,CC#10 - 1)/126) >
>> >
>> > I realized just now that I've rescaled the values to be
>> > between -1 and 1 which is what I'm accustomed to, but
>> > then naming it pan_midi doesn't make that much sense
>> > then.  Would anyone have a recommendation on what to
>> call this?  And should a pan_midi which takes in 0-127 be
>> added? >
>> > Thanks!
>> > steven
>> >
>> --
>> Send bugs reports to this list.
>> To unsubscribe, send email to
>> csound-unsubscribe@lists.bath.ac.uk
>>
>> --
>> Send bugs reports to this list.
>> To unsubscribe, send email to
>> csound-unsubscribe@lists.bath.ac.uk
>
>
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