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Copyright NoticeAll of JJ's Powerpoint decks are copyright © by JJ Johnston. All rights reserved.Permission granted for your own personal (educational) use. This copyright applies whether stated within the deck or not. |
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Most RecentThese are the meeting reports for the January 2022, January 2021 meeting, and the April 2019 meeting, which are meant as a series. Whatever media exists will be found there. (audio, video, ppt, zoom, etc.) |
January 2022 meeting, Masking. Access to files used/needed. Meeting report to follow, with meeting recording, etc. January 2021 meeting, Auditory Mechanisms for Spatial Hearing April 2019 Meeting, Hearing 096/099
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Octave files |
lplt_t3.m Octave program (jan 2014 & feb 2015) |
Heyser LectureFrom the 133rd AES Convention, October 2012, San Francisco. |
1.2MB PPTx deck.
audio recording of meeting Meeting report from meeting |
Hearing & Psychoacoustics |
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| Soundfields vs. Human Hearing | Download (900k ppt) |
| Hearing Tutorial (131st AES, NYC, 2011) |
Download (2.6Mb pptx)
Download (2.8Mb ppt) |
| Fundamentals of Hearing | Download (1.28Mb ppt) |
| Some possible sources of listener fatigue. | Download (128kb ppt) |
| What can go wrong with loudness models | Download (345kb ppt) |
| Care and Feeding of Loudness Models | Download (127kb ppt) |
| A spatial hearing tutorial | Download (842kb ppt) |
| A short essay on spatial hearing for the surround live conference. | Download (181kb ppt) |
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Loudness Tutorial.
PNW Section meeting, April 2006 |
no sound (165k ppt) with sound (8.2Mb ppt) |
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Session TS-1: Physics of Sound and Hearing (1.3Mb ppt)
A 2-hour hearing tutorial. |
Download (1.3m ppt) |
| What Can We Hear? | Download (770k ppt) |
| Why do we hear what we hear? | Download (2Mb ppt) |
Perceptual Coders and Related Hardware; Sample Rate Conversion |
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| A Personal History of Perceptual Audio Coding | Download (4.8Mb pptx) |
| What's inside a portable music player? | Download (672kb ppt) |
| The history of audio codec research at AT&T Bell Labs and AT&T-Labs Research. | Download (114kb ppt) |
| Perceptual Coding - A wide-ranging tutorial on perceptual audio coding (3 hours minimum) | Download (4.9m ppt) |
| The Basic Theory of Filtering | Download (779k ppt) |
| When to Code... WHEN NOT TO CODE | Download (2Mb ppt) |
| Sampling Rate Conversion (Feb 2016) | Download (1.6mb ppt) |
Floobydust |
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| Why do we hear what we hear? | Download (250k ppt) |
| Spatial Perception of Audio vs. The Home Theatre | Download (2.2Mb ppt) |
| JJ's vote for the 10 worst mistakes in audio engineering. Reprised from the 123rd Convention. | Download (131kb ppt) |
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A Low-Complexity, Fast-acquiring Perceptually Tuned Room Correction Algorithm.
PNW Section meeting, January 2008 |
Download (409kb ppt) |
| The Science of Audio in 2004 (From the PNW Feb 2004 meeting, From Hear to Eternity.) |
Download or View (1.1Mb PDF) |
| Conversion: Issues in Hearing, Sampling, Quantization and delta-sigma converter tutorial. | Download (5.3Mb ppt) |
| Audio vs Video - the same or different? Highlights the differences between audio and video perception. | Download (575k ppt) |
| Home Theatre vs Cinema Audio Production: the Technical Aspects | Download (373k ppt) |
| Beyond MP3, Soundfield analysis, perception and capture or synthesis | Download (2Mb ppt) |
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Last modified 01/25/2022 22:51:6.