Mastering: Fast Fourier Transform (FFT) | Waveforms | iZotope RX | Music Production | Berklee Online @Berklee_Online
Mastering: Fast Fourier Transform (FFT) | Waveforms | iZotope RX | Music Production | Berklee Online  @Berklee_Online
Uploaded July 2024 | Updated September 2026, 2 weeks ago
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In this video from Berklee Online’s Audio Mastering Techniques course, course co-author Jonathan Wyner discusses the Fast Fourier Transform (FFT). What is the Fast Fourier Transform? In the nineteenth century, French mathematician Joseph Fourier showed how complex waves are deconstructed to reveal the sine wave frequency components that make them up. FFT allows us to break down audio into its frequency components, making it possible to analyze digital waveforms in detail. By zooming into a waveform,Wyner shows how individual samples, recorded at 48 kHz, form the basis of audio analysis. This foundation helps in understanding how to use the Izotope RX interface to visualize and manipulate audio frequencies effectively. He emphasizes the importance of FFT in various audio processes, setting the stage for a deeper dive into noise reduction and mastering tools.

Learn more about this course, which Jonathan Wyner co-authored with Marc-Dieter Einstmann: berkonl.in/3Xo9uJL

ABOUT JONATHAN WYNER:
Jonathan Wyner is an associate professor in the Music Production and Engineering department at Berklee College of Music and owner of M Works Mastering Studios in Cambridge, Massachusetts. Throughout his career, he has worked with artists both well-known and more esoteric, including James Taylor, David Bowie, Aerosmith, Kiri Te Kanawa, Pink Floyd, Cream, Richard Stoltzman, Miles Davis, Nirvana, Aimee Mann, Juliana Hatfield, Tiny Tim, Snakefinger, John Cage, and Rahsaan Roland Kirk.

ABOUT MARC-DIETER EINSTMANN
Marc-Dieter Einstmann is the chief mastering engineer at Einstmann Mastering Studios, based in Hamburg and New York. Since 1987 he has worked for artists and producers, such as Dave Stewart, Annie Lennox, Chrissie Hynde, Mick Jagger, Mary J. Blige, David Lee Roth, Notorious B.I.G., Dru Hill, Doug E. Fresh, D’Angelo, Tricky, Depeche Mode, KD Lang, Yo-Yo Ma, Elvis Costello, The Neptunes, Frankie Knuckles, Flood (U2), David Kahne (Paul McCartney), Rodney Jerkins (Michael Jackson), Alan Moulder (Nine Inch Nails), Imogen Heap and Cyndi Lauper, among others.

About Berklee Online:
Founded in 2002, Berklee Online is the premier innovator and largest provider of worldwide music education, offering the renowned curriculum of Berklee College of Music at a fraction of the cost through award-winning programming and instruction. Contact an Academic Advisor today:
1-866-BERKLEE (US)
1-617-747-2146 (international callers)
advisors@online.berklee.edu

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Audio Mastering | Fast Fourier Transform | Joseph Fourier | Berklee Online | Music Production | Music Engineering | iZotope RX | Jonathan Wyner | Marc-Dieter Einstmann | James Taylor | David Bowie | Aerosmith | Kiri Te Kanawa | Pink Floyd | Cream | Richard Stoltzman | Miles Davis | Nirvana | Aimee Mann | Juliana Hatfield | Tiny Tim | Snakefinger | John Cage | Rahsaan Roland Kirk | Einstmann Mastering Studios | Dave Stewart | Annie Lennox | Chrissie Hynde | Mick Jagger | Mary J. Blige | David Lee Roth | Notorious B.I.G. | Depeche Mode | The Neptunes | Imogen Heap | Cyndi Lauper
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Mastering: Fast Fourier Transform (FFT) | Waveforms | iZotope RX | Music Production | Berklee Online

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