[ih] Evolution of Internet audio and video

Lawrence Stewart stewart at serissa.com
Tue Sep 30 07:24:31 PDT 2025


Regarding Internet audio, Steve Casner and Danny Cohen gave a talk about this in 2010 at Google.

The video is on Youtube at https://www.youtube.com/watch?v=av4KF1j-wp4

I got a set of the powerpoints from Scott Bradner in 2022, which I can provide if anyone would like them.

Also, IEEE gave a Milestone award for the First Real-Time Speech Communication on Packet Networks back in 2011

See 

https://ethw.org/Milestones:First_Real-Time_Speech_Communication_on_Packet_Networks,_1974_-_1982

Somehow I got an invitation to the event, and talked to

John Makhoul (BBN)
Earl Craighill (SRI)
Cliff Weinstein (LL)
Steve Casner (ISI)
Bob Kahn (CNRI)

Cliff Weinstein gave my PhD advisor Bob Gray credit for writing down the history.  A presentation about this was given at Stanford in 2006 at

https://ee.stanford.edu/~gray/sydneylpcip.pdf
sydneylpcip
PDF Document · 1.9 MB

The first part of this is LPC math and the second part is a wonderful history of how things got going in the 70’s

The book version of this is https://ee.stanford.edu/~gray/LPCIP-sig-029-ebook.pdf

-Larry




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