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<blockquote data-quote="Mark DeArman" data-source="post: 148941" data-attributes="member: 950">Re: More to a measurement then the transfer function?Most of the real research in this area is in developing a model which makes sense for specific observed non-linear (time varying) behavior.&nbsp; Years ago, there was a lot of excitement around higher-order voltera impulse responses, and there are some papers in AES journals and conferences on the subject.&nbsp; I&#039;ve not really been following it from there, where the bleeding edge is.&nbsp; It seems like looking into research in other similar fields might get you more information.&nbsp; There is nothing to measure if you don&#039;t have a working model.&nbsp; Certainly linear transfer functions are not it.I put a number of references in my AES presentation which would be a good starting place.<a href="http://www.cascadeacoustic.com/files/research/AES-PNW_Audio_Band_Test_and_Measurement.pdf" target="_blank">http://www.cascadeacoustic.com/files/research/AES-PNW_Audio_Band_Test_and_Measurement.pdf</a>You can send me a PM if you need help finding anything.</blockquote>

[QUOTE="Mark DeArman, post: 148941, member: 950"] Re: More to a measurement then the transfer function? Most of the real research in this area is in developing a model which makes sense for specific observed non-linear (time varying) behavior. Years ago, there was a lot of excitement around higher-order voltera impulse responses, and there are some papers in AES journals and conferences on the subject. I've not really been following it from there, where the bleeding edge is. It seems like looking into research in other similar fields might get you more information. There is nothing to measure if you don't have a working model. Certainly linear transfer functions are not it. I put a number of references in my AES presentation which would be a good starting place. [URL]http://www.cascadeacoustic.com/files/research/AES-PNW_Audio_Band_Test_and_Measurement.pdf[/URL] You can send me a PM if you need help finding anything. [/QUOTE]

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