Subject: AW: the seven wonders of hearing From: "reinifrosch@xxxxxxxx" <reinifrosch@xxxxxxxx> Date: Sun, 21 Oct 2007 15:41:49 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>Hello Matt and List, Finally I can give a fairly short answer: Of your seven wonders, I strongly prefer Nr. 7, active TW -- but only if the active part of the TW is restricted to a short x_b-region (typically 0.4 mm in gerbils, and not 4 mm as I wrote 45 minutes ago!) on the basal slope of the active peak. Reinhart. Reinhart Frosch, Dr. phil. nat., r. PSI and ETH Zurich, Sommerhaldenstr. 5B, CH-5200 Brugg. Phone: 0041 56 441 77 72. Mobile: 0041 79 754 30 32. E-mail: reinifrosch@xxxxxxxx . ----Ursprüngliche Nachricht---- Von: flatmax@xxxxxxxx Datum: 20.10.2007 19:15 An: <AUDITORY@xxxxxxxx> Betreff: the seven wonders of hearing Hello, [...] In no particular order : a] Oscillators: Van Der Pol type oscillators, which I believe began with Johannesma [1] b] Squirting wave: Andrew Bell's Organ of Corti squirting amplifier [2] c] Dual resonance: Martin Braun's dual resonance model [3] d] Feedback amp.: Zwicker's feedback amplifier [4] e] Hopf amplifier: Hopf bifurcation augmenting the travelling wave [5,6] f] Active TW: Active travelling wave amplifiers - of which I believe there are many, I reference only one [7] g] Active CW: Active compression wave amplifier. Of which I have seen no complete models - as of yet. thanks Matt [...]