-
Recent Posts
- Sampling theory, the best explanation you’ve ever heard—Part 3
- Sampling theory, the best explanation you’ve ever heard—Part 2
- Sampling theory, the best explanation you’ve ever heard—Part 1
- Sampling theory, the best explanation you’ve ever heard—Prologue
- Amp simulation oversampling
- Guitar amp simulation
- About coefficient conventions
- Filter frequency response grapher
Archives
- August 2017
- May 2017
- January 2017
- December 2016
- September 2016
- February 2016
- September 2015
- January 2015
- March 2014
- January 2014
- October 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- December 2012
- November 2012
- May 2012
- March 2012
- January 2011
- December 2010
- November 2010
- July 2007
- March 2003
- February 2003
- August 2002
- January 1997
- November 1996
- October 1996
- August 1996
- July 1996
Categories
- Digital Audio (54)
- Aliasing (9)
- Convolution (3)
- Dither (7)
- Filters (23)
- DC Blocker (1)
- FIR Filters (7)
- IIR Filters (17)
- Biquads (11)
- Fourier (3)
- FFT (3)
- Impulse Response (5)
- Jitter (2)
- Oscillators (8)
- Phase (2)
- Reverb (2)
- Sample Rate Conversion (10)
- Sampling Theory (5)
- Effects (1)
- Envelope Generators (5)
- MIDI (2)
- Source Code (7)
- Synthesizers (9)
- Uncategorized (5)
- Video (4)
- Widgets (12)
- Digital Audio (54)
Monthly Archives: January 2011
Biquad formulas
For fixed filters, we can plug biquad coefficients into our programs. But often, we need to calculate them on the fly, to user settings or changes in sample rate. As a companion to the biquad calculator, here are the formulas … Continue reading
Posted in Biquads, Digital Audio, Filters, IIR Filters
38 Comments