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Products such as cell phones, audio CDs, and iPods all adhere to Nyquists Theorem.
If the sample rate exceeds the Nyquist frequency we get...
This ensures that no data will be lost!
Harry Nyquist
What is aliasing? (1996, October 20). Retrieved May 07, 2017, from http://www.earlevel.com/main/1996/10/20/what-is-aliasing/
Swedish-born American physicist and electrical and communications engineer.
Born: February 7, 1889
Died: April 4, 1986 (Age 87)
Aliasing of Signals - Identity theft in the frequency domain. (2015, June 12). Retrieved May 07, 2017, from https://allsignalprocessing.com/aliasing-of-signals-identity-theft-in-the-frequency-domain/
S. (2013, December 08). Audio Under Sampling (Aliasing Effect) Demonstration. Retrieved May 07, 2017, from
Chapter 2: The Digital Representation of Sound, Part Two: Playing by the Numbers. (n.d.). Retrieved May 08, 2017, from http://cmc.music.columbia.edu/musicandcomputers/chapter2/02_03.php
https://allsignalprocessing.com/aliasing-of-signals-identity-theft-in-the-frequency-domain/
To help prevent Aliasing, we use...
"What Are Anti-Aliasing Filters and Why Are They Used?" What Are Anti-Aliasing Filters and Why Are They Used? - National Instruments. N.p., n.d. Web. 09 May 201
Digital Anti-Alias Filtering:
Anti-Alias Multichannel Module (AAMM)