1. DISP-2003 Dr. Hugh Blanton ENTC 4600
TECH PRACTICUM
Dr. Hugh Blanton
ENTC 4600
Introduction to Digital Signal Processing

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3. There has been an alarming increase in the number of things I know nothing about!
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DISP-2003
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Introduction to Digital Signal Processing

5. Many predictions made in the past have proved to be dramatically wrong
Many predictions made in the past have proved to be dramatically wrong even when made by experts with impeccable credentials...
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6. Famous Quotations

7. Airplane “Heavier-than-air flying machines are impossible”
Lord Kelvin famous physicists, 1897
1903: Wright traveled 37 m
today: booming industry
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8. Telephone (1)
“Well informed people know it is impossible to transmit voice over wires and that, were it possible to do so, the thing would be of no practical value”
Boston Post editorial, 1865
1896: Bell got the first patent
today: booming industry
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9. Telephone (2)
“This ‘telephone’ has too many shortcomings to be seriously considered as a means of communications”
Western Union (leading telegraph company), an internal memo, 1896
1896: Bell got the first patent
1998: >~750 M telephone lines, or ~13 lines / 100 inhabitants world average (source: ITU World Telecommunication Development Report 1998)
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10. Computers (in general)
“ I think there’s a world market for, maybe, 5 computers”
Thomas Watson, Chairman of IBM, 1943
1998: >~750 M telephone lines, or ~13 lines / 100 inhabitants world average (source: ITU World Telecommunication Development Report 1998)
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11. Personal computers (1)
I “didn’t see anything useful” in building home computers
Gordon Moore, co-founder of Intel, rejecting a 1970s proposal for a home computer
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12. Personal computers (2)
“There is no reason for any individual to have a computer in their home”
Ken Olsen, Founder & President of Digital Equipment Corporation, 1977
1998: ~234 M PCs, or ~4 PCs / 100 inhabitants world average (source: ITU World Telecommunication Development Report 1998)
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13. Cinema “Who the hell wants to hear actors talk?”
H.M. Warner, famous film maker), 1927
1927: first talking picture
today: booming industry
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14. “Radio has no future” Radio Lord Kelvin, famous physicists, 1897
1896: Marconi - 1st transmission at 1.6 km distance
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15. “Prediction is difficult - especially of the future”
- Storm Petersen, Danish humorist
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16. These portions are accumulated there during the years of studying.
Every year a number of young people enter the University, each carrying a small portion of knowledge.
These portions are accumulated there during the years of studying.
That is the reason why the University became the center of knowledge.
After Bernard Shaw
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17. When a distinguished but elderly scientist states that something is possible he is almost certainly right. When he states that something is impossible, he is very probably wrong.
Clarke's First Law
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18. The only way of discovering the limits of the possible is by venturing a little way past them into the impossible.
Clarke's Second Law
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19. Any sufficiently advanced technology is indistinguishable from magic.
Clarke's Third Law
Any technology distinguishable from magic is insufficiently advanced.
Gregory Benford's Corollary to Clarke's Third law:
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