Notes concerning “Audio”
Improving "science" in eSpeak's lexicon
2007 to 2009 (11 minutes)
Alastair thesis review
2013-05-17 (1 minute)
Quadtree compression of terminal video RAM to do a megapixel windowing system in 6 KiB
2013-05-17 (9 minutes)
A unicast phased-array ultrasonic “radio”
2013-05-17 (4 minutes)
Square wave synthesis
2014-02-24 (2 minutes)
Randomizing delta-sigma conversion to eliminate aliasing
2014-04-24 (7 minutes)
Ideas to ship in 2014
2014-04-24 (updated 2019-05-05) (36 minutes)
Rhythm codes
2015-09-03 (4 minutes)
Would Synthgramelodia make a good base for livecoding music?
2015-09-03 (8 minutes)
Convolution applications
2015-09-07 (7 minutes)
Hash feature detection
2015-09-17 (5 minutes)
Piano synthesis
2015-09-17 (updated 2017-07-19) (6 minutes)
Virtual instruments
2015-11-09 (3 minutes)
How can we build an efficient microcontroller-based amplifier?
2016-07-13 (5 minutes)
What’s the dumbest register allocator that might give you reasonable performance?
2016-10-11 (16 minutes)
The Magic Kazoo: a synthesizer you stick in your mouth
2017-04-04 (updated 2019-05-12) (6 minutes)
Can you make a vocoder simpler using CIC filters?
2017-06-28 (updated 2018-06-17) (2 minutes)
Cheap frequency detection
2017-06-29 (updated 2018-07-05) (54 minutes)
FM chirp sonar
2017-07-04 (1 minute)
Ideas to pursue
2018-05-05 (updated 2018-08-16) (7 minutes)
Whistle detection
2018-06-06 (updated 2018-12-02) (18 minutes)
Is a phase vocoder or a bunch of PLLs a more efficient way to listen to all FM radio stations at once?
2018-06-17 (3 minutes)
Hacking a buck converter into a class-D amplifier?
2018-06-30 (4 minutes)
The Bleep ultrasonic modem for local data communication
2018-12-10 (updated 2018-12-11) (8 minutes)
Sample reversal
2018-12-18 (updated 2019-01-17) (5 minutes)
Honk development
2019-03-21 (2 minutes)
Groping toward a high-efficiency speaker driver
2019-04-02 (15 minutes)
Audio video boustrophedon sync
2019-04-03 (2 minutes)
Three-stack generic macro assembler (design sketch)
2019-04-30 (8 minutes)
Measuring submicron displacements by pitch bending a slide guitar
2019-05-05 (18 minutes)