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Index: Physical Audio Signal Processing

Physical Audio Signal Processing

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The Synthesis Tool Kit (STK) is a C++ tool kit for rapid prototyping of sound synthesis algorithms. — Click for https://ccrma.stanford.edu/software/stk/

Click for http://www.cs.princeton.edu/~prc/NewWork.html

Any function that is not linear is nonlinear. There are no general methods for solving nonlinear equations or nonlinear differential equations. This is why it is usually easier, although generally less accurate, to approximate a nonlinear function by a linear function if possible. — Click for http://en.wikipedia.org/wiki/Nonlinear

A wah-wah pedal is a sweeping filter effect used primarily by guitar players. The filter used is typically a lowpass with some resonance near its cutoff frequency. — Click for http://www.geofex.com/Article_Folders/wahpedl/wahped.htm

Click for http://www.till.com/articles/PickupResponseDemo/index.html

Bass tones are generally low in pitch and contain a lot of low-frequency content. Low-pass filters emphasize low frequencies. For example, turning up the bass knob on a stereo controls a low-pass filter that increases the amount of low-frequency content you hear. — Click for http://ccrma.stanford.edu/~jos/filters/Simplest_Lowpass_Filter_I.html

Click for https://ccrma.stanford.edu/~jos/pasp/Digital_Waveguide_Bowed_String.html

Pressing a key on the piano causes a felt-tipped hammer to strike a vibrating string. — Click for http://www.speech.kth.se/music/5_lectures/

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Physical Audio Signal Processing

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Sound Examples

Plucked and Struck Acoustic Strings
- Plucked/Struck Strings (NeXT Computer, 1989): (WAV) (MP3)
- Classical Guitar: (WAV) (MP3)
- Harpsichord: (WAV) (MP3)
- Harpsichord: (WAV) (MP3)
- Piano: (WAV) (MP3)
Bowed Strings
- Early Cello (1982): (WAV) (MP3)
- Double Bass: (WAV) (MP3)
- Cello: (WAV) (MP3)
- Viola 1: (WAV) (MP3)
- Viola 2: (WAV) (MP3)
- Violin 1: (WAV) (MP3)
- Violin 2: (WAV) (MP3)
- Violin Ensemble: (WAV) (MP3)
Electric Guitars
- Electric Guitar, Bass Pickup: (WAV) (MP3)
- Electric Guitar, Single-Coil Pickup: (WAV) (MP3)
- Hollow-Body Electric Guitar: (WAV) (MP3)
- Distorted Electric Guitar: (WAV) (MP3)
- Distorted Electric Guitar + Feedback: (WAV) (MP3)
- Distorted Electric Guitar + Feedback: (WAV) (MP3)
- Electric Guitar + Wah-Wah Effect: (WAV) (MP3)
- Nonlinear String: (WAV) (MP3)
- Sitar: (WAV) (MP3)
Yamaha ``Virtual Lead'' (VL) Synthesizer (1994)
- Oboe and Bassoon: (WAV) (MP3)
- Shakuhachi: (WAV) (MP3)
- Trumpet: (WAV) (MP3)
- Tenor Saxophone: (WAV) (MP3)
Staccato Systems
- Distorted Electric Guitar + Feedback: (WAV) (MP3)
- Distorted Electric Guitar + Feedback: (WAV) (MP3)
- ``Slide Flute'' (Perry Cook 1992): (WAV) (MP3)
- Finger Bass: (WAV) (MP3)
- Harpsichord: (WAV) (MP3)
- Jazz Trio: (WAV) (MP3)
- Latin Ensemble: (WAV) (MP3)
- Percussion
  - Gongs: (WAV) (MP3)
  - Marimba: (WAV) (MP3)

C++ software that generates relevant sound examples may be found in the Synthesis Tool Kit (STK) distribution [86]. There are also relevant examples in the Faust language [456].^H.1

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``Physical Audio Signal Processing'', by Julius O. Smith III, W3K Publishing, 2010, ISBN 978-0-9745607-2-4
Copyright © 2024-06-28 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA), Stanford University

Sound Examples

``Physical Audio Signal Processing'', by Julius O. Smith III, W3K Publishing, 2010, ISBN 978-0-9745607-2-4 Copyright © 2024-06-28 by Julius O. Smith III Center for Computer Research in Music and Acoustics (CCRMA), Stanford University

``Physical Audio Signal Processing'', by Julius O. Smith III, W3K Publishing, 2010, ISBN 978-0-9745607-2-4
Copyright © 2024-06-28 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA), Stanford University