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Biquad bandpass filter bank [Mixed C and ASM, SHARC]
Efficient implementation of SIMD biquad bandpass filter bank.This is the core computation for musical physical models ("modal models"). This code takes 1.5 instructions to compute each floating-...
posted by Lippold Haken on Feb 2 2011
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Fast SIMD sine and cosine [Mixed C and ASM, SHARC]
Fast SIMD sine and cosine for SHARC ADSP-21364, callable from VisualDSP++ C. ... posted by Lippold Haken on Jan 31 2011
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Fast power-of-10 approximation, for 32-bit floats [C, SHARC]
Fast floating-point power-of-10 approximation, with RMS error of 1.77%. This approximation developed by Nicol Schraudolph (Neural Computation vol 11, 1999). Adapted for 32-bit floats by Lip... posted by Lippold Haken on Jan 31 2011
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Random Number Generator [C, SHARC]
This is a random number generator that sounds pleasant in audo algorithms. It does not have the nasty whistling present in the standard fortran random number generator that most people use.... posted by Lippold Haken on Feb 27 2011
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Inverse Sqrt and Fourth Root approximations [C, SHARC]
Fast InvSqrt approxumation, with an error of less than 4%. This was coded by Lippold Haken of Haken Audio, 2010.This approximation is attributed to Greg Walsh.... posted by Lippold Haken on Jan 31 2011
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