Past meetings of the Society
March 2008

March 2008 Meeting

Date: Sunday, March 30, 2008
Time: 6:00 PM
Place: Boston University, Life Science & Engineering Bldg, 24 Cummington St, 1st Floor Conference Room (room 103), Boston, MA 02215, (617) 271-6588

Featured Guest: Keith Larson, Smith & Larson Audio ,

Topic: 'Floating Point Differential Compression' (US patent #5933360).
I plan to have a demonstration that shows the audible effects of compression artifacts using a compression technique that I (and assigned to TI) received a patent for. I would then cover how this particular compressor works, as well as others.
1. Telephone Technology
2. Introduction to Sampling Theory and Reconstruction Filters
3. Low Frequency Signals
4. Floating Point Differential Compressor
5. Floating Point Differential De-compressor
6. Additional Thoughts
7. Demos
8. MP3 and Lossy Compression


The Boston Audio Society
PO BOX 260211
Boston MA 02126

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updated 4/14/08