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Sound Design Toolkit
075
Physically informed sound synthesis for everyday sounds
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Sound Design Toolkit
075
Physically informed sound synthesis for everyday sounds
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Go to the source code of this file.
Macros | |
| #define | SDT_ver 075 |
| SDT version number. | |
| #define | SDT_ver_str "075" |
| SDT version string. | |
| #define | SDT_PI 3.141592653589793 |
| Value of Pi. | |
| #define | SDT_TWOPI 6.283185307179586 |
| Value of 2 * Pi. | |
| #define | SDT_EULER 2.718281828459045 |
| Euler number. | |
| #define | SDT_SQRT2 1.4142135623730951 |
| Square root of 2. | |
| #define | SDT_MACH1 340.29 |
| Mach 1, speed of sound in air under normal atmospheric conditions (m/s) | |
| #define | SDT_EARTH 9.81 |
| Earth gravity (N/Kg) | |
| #define | SDT_MICRO 0.000001 |
| One millionth, small value often used instead of 0 to avoid division errors. | |
| #define | SDT_QUIET 0.00003 |
| Gain factor roughly corresponding to a -90dB attenuation. | |
Functions | |
| void | SDT_setSampleRate (double sampleRate) |
| Sets the sample rate. More... | |
| unsigned int | SDT_bitReverse (unsigned int u, unsigned int bits) |
| Reverses the bit order of an unsigned integer of given bit length. More... | |
| long | SDT_clip (long x, long min, long max) |
| Clips an integer value. Limits the range of an integer value between a given lower bound and upper bound. More... | |
| double | SDT_expRand (double lambda) |
| Exponential random number generator. Generates random numbers, following an exponential distribution. More... | |
| double | SDT_fclip (double x, double min, double max) |
| Clips a floating point value. Limits the range of a floating point value between a given lower bound and upper bound. More... | |
| double | SDT_frand () |
| Uniform random number generator. Generates random numbers, following a uniform distribution. More... | |
| double | SDT_gravity (double mass) |
| Computes earth gravity force. Computes the earth gravity force acting on an object of a given mass. More... | |
| void | SDT_hanning (double *sig, int n) |
| Applies a Hanning window to a chunk of samples. Applies a Hanning window to a chunk of samples. More... | |
| void | SDT_haar (double *sig, long n) |
| Computes a direct Haar Wavelet Transform of the incoming signal (in place). More... | |
| void | SDT_ihaar (double *sig, long n) |
| Computes an inverse Haar Wavelet Transform of the incoming signal (in place). More... | |
| double | SDT_kinetic (double mass, double velocity) |
| Computes kinetic energy. Computes the kinetic energy of an object, given its mass and velocity. More... | |
| unsigned int | SDT_nextPow2 (unsigned int u) |
| Returns the smallest power of 2 greater or equal than u. More... | |
| double | SDT_normalize (double x, double min, double max) |
| Rescales a value of known range into the [0.0, 1.0] interval. Rescales a value of known range into the [0.0, 1.0] interval. More... | |
| void | SDT_normalizeWindow (double *sig, int n) |
| Normalizes samples in a window so that their sum is equal to 1. More... | |
| double | SDT_samplesInAir (double length) |
| Time needed to travel the given distance at Mach 1. Computes the amount of time, in samples, needed by a sound wave propagating in air to travel a given distance. Particularly useful to set the delay times of comb filters and/or digital waveguides representing hollow cavities. More... | |
| double | SDT_scale (double x, double srcMin, double srcMax, double dstMin, double dstMax, double gamma) |
| Rescales a value from a source range to a target range. Rescales a value from a source range to a target range. More... | |
| int | SDT_signum (double x) |
| Computes the signum function. Computes the signum function. More... | |
Variables | |
| double | SDT_sampleRate |
| Sampling frequency (Hz) | |
| double | SDT_timeStep |
| Sampling period (s) | |
1.8.10 
