Date | Lecture | Topic(s) |

1/14 | 1 | Introduction and interview students |

1/16 | 2 | 2-port (4-terminal) network representations |

1/18 | 3 | ABCD Matrix methods |

1/18 | - | HW 1 *(Version 1.01)* |

1/21 | - | **No class** - MLK day |

1/23 | 4 | Reciprocity and Reversible 2-port networks |

1/25 | 5 | Motional impedance (Hunt Ch. 2) |

1/28 | 6 | Moving coil Loudspeaker I; 2-port equations with f = BL i, E = Bl u |

1/30 | 7 | Loudspeaker II; lumped parameter, waves on diaphragm |

1/30 | - | HW 2 *(Version 1.0)* and an example of LaTeX. (*due 2/15/08 at 5 PM*) You can use SYSRES to take frequency response measurements at home. |

2/1 | 8 | Review of Basic Acoustics (Pressure, Volume velocity, SPL, dB) |

2/4 | 9 | Waves and d'Alembert solutions in 1 and 3 dimensions |

2/6 | 10 | Radiation impedance of a sphere |

2/8 | 11 | Piezoelectric transducers (Mason 1939); Horn loudspeaker and throat impedance |

2/11 | 12 | 6 Network Theory Postulates; Detailed review of material on Exam I |

2/12 | EXAM I | **Exam I**, Tues @ 7 PM in 170 EL: bring a 1 page, 2 sided, hand-written info sheet |

2/13 | - | **No class** due to Exam I |

2/15 | 13 | *History of Acoustics, Part I;*History of acoustics (Hunt Ch. 1); Newton's speed of sound; Lagrange & Laplace+adiabatic; Review of Exam; mop-up re Homework 2 |

2/15 | - | *HW2 due* |

2/18 | 14 | Review FT, zT, LT, DTFT, DFT transforms with detailed cross comparisons |

2/20 | 15 | Application of the Fourier vs Laplace transform; Sampling and the Poisson Sum formula; Solving differential equations; Op amp integrator example |

2/20 | - | **Part I of Final Paper Due** (draft) |

2/22 | 16 | low-pass filter example in gory detail (FT, zT, LT, Bilinear-z, all used) |

2/22 | - | HW3 *(Version 1.1)* (*due 3/3/08*); Old version *(1.0)*; HW3 Solutions Δ |

2/25 | 17 | Intensity, Energy, Power conservation, Parseval's Thm., Bode plots (NOT spectral analysis) |

2/27 | 18 | Short-time Fourier Transform Analysis-Synthesis |

2/29 | 19 | How a Guitar works; Spectral analysis |

3/3 | 20 | Spectral Analysis and random variables: Resistor thermal noise derivation (Nyquist 1928 paper djvu) P=4kTB |

3/3 | - | *HW3 due*; HW4 (*due 3/14/08 at 5 PM*) |

3/5 | 21 | Hilbert Transform example; Cepstral analysis |

3/7 | - | **No class** - Engineering Open house |

3/10 | 22 | wave propagation in horns and the inhomogeneous wave equation |

3/12 | 23 | More history; Review of FS, FT, DFT, zT, LT, filters, ->horns<-; Discuss material on Exam II |

3/12 | EXAM II | **Exam II**, Wed @ 7 PM in 260 EL |

3/14 | - | *HW4 due* |

3/14 | - | Assigned: HW5 Δ *due 4/9/08* |

3/17 | - | **No class** - Spring Break |

3/19 | - | **No class** - Spring Break |

3/21 | - | **No class** - Spring Break |

3/24 | 24 | Room acoustics, 1 wall = 1 image, 2 walls = inf images |

3/24 | - | **Part II of Final Paper Due** (draft II) |

3/26 | 25 | Room acoustics: arrays of images with 6 walls; Room model pdf; Room Inverse djvu |

3/28 | 26 | Physiological Acoustics introduction; Middle ear as a delay line |

3/31 | 27 | Guest Lecture: Concert Hall acoustics |

4/2 | 32 | Guest lecture: Computer music |

4/4 | 33 | Transmission line Theory; reflections at junctions |

4/7 | 34 | Anatomy of the cochlea; Cochlea basic functions: *Nonlinear cochlear signal processing* (**NLCSP**): pdf, djvu; *Read Sect. 3.1* |

4/9 | - | *HW5 due*; Solution:pdf; Bauer Equivalent Circuit for freefield radiation (djvu, pdf) |

4/9 | 35 | JND, Fechner and Weber laws, counting JNDs; 2AFC; Why is the JND important to Eng. Acoustics?; *Read Sect. 3.3* **NLCSP**; Loudness and the JND presentation: pdf Δ |

4/11 | 36 | Masking, Wegel and Lane 1934, Upward spread of masking; 2 Tone suppression; Read NLCSP Sect. 3.2 |

4/14 | 37 | How does a neuron work (Description of ion channels, lipid bilayer, Hodgin Huxley Eqs) |

4/16 | 38 | Audio coding, masking and cochlear compression; filter banks, modulations and bits; **NLCSP** Sect. 3.2 |

4/18 | 39 | Compression of audio; quantization of audio; what is *Entropy* |

4/21 | 40 | Intuition behind *Entropy,* why is it useful; Brief intro to Information theory |

4/23 | 41 | Audio on Film (Guest Lecture Lorr Kramer) CONFIRMED 1/27/08 |

4/25 | 42 | Sigma delta codecs (Guest Lecture?) |

4/28 | 43 | Hearing aid array processing (Guest Lecture: Dan Warren, Knowles) |

4/28 | 44 | Summary discussion and overview of course (Fun!) |

5/1 | 45 | READING DAY; Final paper due by midnight: Please give me both a paper and pdf copy. **NO DOC files** |