Dattorro Convex Optimization of a Reverberator - Revision history

Ranjelin at 05:26, 12 November 2012

2012-11-12T05:26:48Z

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	If you do not already have an account, [http://www.convexoptimization.com/wikimization/index.php?title=Special:Userlogin&type=signup create one here].		If you do not already have an account, [http://www.convexoptimization.com/wikimization/index.php?title=Special:Userlogin&type=signup create one here].

-	mailto:dattorro@stanford.edu   [http://www.stanford.edu/~dattorro Jon Dattorro]	+	mailto:dattorro@ccrma.stanford.edu   [http://www.stanford.edu/~dattorro Jon Dattorro]

Ranjelin: /* Convex Optimization of a Reverberator */

2010-10-25T11:42:00Z

Convex Optimization of a Reverberator

←Older revision		Revision as of 11:42, 25 October 2010
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-	==Convex Optimization of a Reverberator==
	Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.		Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.
	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Progenitor reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978.  Fs = 34.125 kHz]]		[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Progenitor reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978.  Fs = 34.125 kHz]]

Ranjelin: Dattorro moved to Dattorro Convex Optimization of a Reverberator

2010-10-25T11:41:26Z

Dattorro moved to Dattorro Convex Optimization of a Reverberator

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Revision as of 11:41, 25 October 2010

Kwokwah at 03:10, 3 July 2010

2010-07-03T03:10:00Z

←Older revision		Revision as of 03:10, 3 July 2010
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	==Convex Optimization of a Reverberator==		==Convex Optimization of a Reverberator==
	Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.		Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.
-	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Progenitor reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]	+	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Progenitor reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978.  Fs = 34.125 kHz]]
	Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;		Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;
	<i>e.g.,</i> a good reverberator should provide little coloration (input spectral change).		<i>e.g.,</i> a good reverberator should provide little coloration (input spectral change).

Ranjelin at 22:36, 2 July 2010

2010-07-02T22:36:09Z

←Older revision		Revision as of 22:36, 2 July 2010
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	==Convex Optimization of a Reverberator==		==Convex Optimization of a Reverberator==
	Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.		Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.
-	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|~~Reverberator~~ after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]	+	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Progenitor reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]
	Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;		Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;
	<i>e.g.,</i> a good reverberator should provide little coloration (input spectral change).		<i>e.g.,</i> a good reverberator should provide little coloration (input spectral change).

Ranjelin: User:Dattorro moved to Dattorro

2010-07-02T07:11:24Z

User:Dattorro moved to Dattorro

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Revision as of 07:11, 2 July 2010

Dattorro at 06:20, 2 July 2010

2010-07-02T06:20:12Z

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-	[http://www.convexoptimization.com/wikimization/index.php?title=Special:Userlogin&returnto=Special:Userlogout Login] required to [http://www.convexoptimization.com/wikimization/index.php/Special:Emailuser/Dattorro E-mail this user].<br>
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-	mailto:dattorro@stanford.edu   [http://www.stanford.edu/~dattorro Jon Dattorro]
-
	==Convex Optimization of a Reverberator==		==Convex Optimization of a Reverberator==
	Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.		Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.
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	To address this problem, it may perhaps be easier to begin with the simpler topology presented by [http://ccrma.stanford.edu/~dattorro/music.html Dattorro]		To address this problem, it may perhaps be easier to begin with the simpler topology presented by [http://ccrma.stanford.edu/~dattorro/music.html Dattorro]
	in [http://ccrma.stanford.edu/~dattorro/EffectDesignPart1.pdf Effect Design, Part 1].  (Level of difficulty, for this open problem in Optimization, is worthy of a Ph.D. thesis in 2010.)		in [http://ccrma.stanford.edu/~dattorro/EffectDesignPart1.pdf Effect Design, Part 1].  (Level of difficulty, for this open problem in Optimization, is worthy of a Ph.D. thesis in 2010.)
		+
		+
		+	----
		+	[http://www.convexoptimization.com/wikimization/index.php?title=Special:Userlogin&returnto=Special:Userlogout Login] required to [http://www.convexoptimization.com/wikimization/index.php/Special:Emailuser/Dattorro E-mail this user].<br>
		+	If you do not already have an account, [http://www.convexoptimization.com/wikimization/index.php?title=Special:Userlogin&type=signup create one here].
		+
		+	mailto:dattorro@stanford.edu   [http://www.stanford.edu/~dattorro Jon Dattorro]

Dattorro at 05:29, 2 July 2010

2010-07-02T05:29:43Z

←Older revision		Revision as of 05:29, 2 July 2010
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	To address this problem, it may perhaps be easier to begin with the simpler topology presented by [http://ccrma.stanford.edu/~dattorro/music.html Dattorro]		To address this problem, it may perhaps be easier to begin with the simpler topology presented by [http://ccrma.stanford.edu/~dattorro/music.html Dattorro]
-	in [http://ccrma.stanford.edu/~dattorro/EffectDesignPart1.pdf Effect Design, Part 1].  (Level of difficulty, for this problem in Optimization, is worthy of a Ph.D. thesis in 2010.)	+	in [http://ccrma.stanford.edu/~dattorro/EffectDesignPart1.pdf Effect Design, Part 1].  (Level of difficulty, for this open problem in Optimization, is worthy of a Ph.D. thesis in 2010.)

Dattorro at 02:27, 2 July 2010

2010-07-02T02:27:46Z

←Older revision		Revision as of 02:27, 2 July 2010
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	==Convex Optimization of a Reverberator==		==Convex Optimization of a Reverberator==
-	Given this industrial-strength ~~audio reverberator~~ topology, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.	+	Given this industrial-strength topology for reverberation of audio, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.
	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]		[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]
	Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;		Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;

Dattorro at 02:22, 2 July 2010

2010-07-02T02:22:28Z

←Older revision		Revision as of 02:22, 2 July 2010
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	mailto:dattorro@stanford.edu   [http://www.stanford.edu/~dattorro Jon Dattorro]		mailto:dattorro@stanford.edu   [http://www.stanford.edu/~dattorro Jon Dattorro]

-	==Convex Optimization ~~in Audio Reverberation~~==	+	==Convex Optimization of a Reverberator==
-	Given this industrial-strength reverberator topology, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.	+	Given this industrial-strength audio reverberator topology, it is an open question to derive a method for choosing delayline lengths such that perceived decay is exponential.  In layman's terms, it is difficult to choose delayline lengths that will not cause undulation in this reverberator's decay-tail in response to an impulsive input.
	[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]		[[Image:Progenitor.jpg\|thumb\|center\|1280px\|Reverberator after [http://www.davidgriesinger.com Griesinger] <i>ca.</i>1978]]
	Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;		Choice of delayline length is an optimization problem because one must simultaneously insure that the network provides good musical qualities;