/home/jamie/store/svn/libxtract/trunk/xtract/xtract_scalar.h File Reference

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Functions
int	xtract_mean (const float *data, const int N, const void *argv, float *result)
	Extract the mean of an input vector.
int	xtract_variance (const float *data, const int N, const void *argv, float *result)
	Extract the variance of an input vector.
int	xtract_standard_deviation (const float *data, const int N, const void *argv, float *result)
	Extract the deviation of an input vector.
int	xtract_average_deviation (const float *data, const int N, const void *argv, float *result)
	Extract the average deviation of an input vector.
int	xtract_skewness (const float *data, const int N, const void *argv, float *result)
	Extract the skewness of an input vector.
int	xtract_kurtosis (const float *data, const int N, const void *argv, float *result)
	Extract the kurtosis of an input vector.
int	xtract_spectral_mean (const float *data, const int N, const void *argv, float *result)
	Extract the mean of an input spectrum.
int	xtract_spectral_variance (const float *data, const int N, const void *argv, float *result)
	Extract the variance of an input spectrum.
int	xtract_spectral_standard_deviation (const float *data, const int N, const void *argv, float *result)
	Extract the deviation of an input spectrum.
int	xtract_spectral_average_deviation (const float *data, const int N, const void *argv, float *result)
	Extract the average deviation of an input spectrum.
int	xtract_spectral_skewness (const float *data, const int N, const void *argv, float *result)
	Extract the skewness of an input spectrum.
int	xtract_spectral_kurtosis (const float *data, const int N, const void *argv, float *result)
	Extract the kurtosis of an input spectrum.
int	xtract_spectral_centroid (const float *data, const int N, const void *argv, float *result)
	Extract the centroid of an input vector.
int	xtract_irregularity_k (const float *data, const int N, const void *argv, float *result)
	Calculate the Irregularity of an input vector using a method described by Krimphoff (1994).
int	xtract_irregularity_j (const float *data, const int N, const void *argv, float *result)
	Calculate the Irregularity of an input vector using a method described by Jensen (1999).
int	xtract_tristimulus_1 (const float *data, const int N, const void *argv, float *result)
	Calculate the Tristimulus of an input vector using a method described by Pollard and Jansson (1982).
int	xtract_tristimulus_2 (const float *data, const int N, const void *argv, float *result)
int	xtract_tristimulus_3 (const float *data, const int N, const void *argv, float *result)
int	xtract_smoothness (const float *data, const int N, const void *argv, float *result)
	Extract the smoothness of an input vector using a method described by McAdams (1999).
int	xtract_spread (const float *data, const int N, const void *argv, float *result)
	Extract the spectral spread of an input vector using a method described by Casagrande(2005).
int	xtract_zcr (const float *data, const int N, const void *argv, float *result)
	Extract the zero crossing rate of an input vector.
int	xtract_rolloff (const float *data, const int N, const void *argv, float *result)
	Extract the spectral rolloff of an input vector using a method described by Bee Suan Ong (2005).
int	xtract_loudness (const float *data, const int N, const void *argv, float *result)
	Extract the 'total loudness' of an input vector using a method described by Moore, Glasberg et al (2005).
int	xtract_flatness (const float *data, const int N, const void *argv, float *result)
	Extract the spectral flatness measure of an input vector using a method described by Tristan Jehan (2005).
int	xtract_tonality (const float *data, const int N, const void *argv, float *result)
	Extract the tonality factor of an input vector using a method described by Tristan Jehan (2005).
int	xtract_noisiness (const float *data, const int N, const void *argv, float *result)
	Extract the noisiness of an input vector using a method described by Tae Hong Park (2000).
int	xtract_rms_amplitude (const float *data, const int N, const void *argv, float *result)
	Extract the RMS amplitude of an input vector using a method described by Tae Hong Park (2000).
int	xtract_spectral_inharmonicity (const float *data, const int N, const void *argv, float *result)
	Extract the Inharmonicity of an input vector.
int	xtract_crest (const float *data, const int N, const void *argv, float *result)
	Extract the spectral crest of an input vector using a method described by Peeters (2003).
int	xtract_power (const float *data, const int N, const void *argv, float *result)
	Extract the Spectral Power of an input vector using a method described by Bee Suan Ong (2005).
int	xtract_odd_even_ratio (const float *data, const int N, const void *argv, float *result)
	Extract the Odd to even harmonic ratio of an input vector.
int	xtract_sharpness (const float *data, const int N, const void *argv, float *result)
	Extract the Sharpness of an input vector.
int	xtract_spectral_slope (const float *data, const int N, const void *argv, float *result)
	Extract the Slope of an input vector using a method described by Peeters(2003).
int	xtract_lowest_value (const float *data, const int N, const void *argv, float *result)
	Extract the value of the lowest value in an input vector.
int	xtract_highest_value (const float *data, const int N, const void *argv, float *result)
	Extract the value of the highest value in an input vector.
int	xtract_sum (const float *data, const int N, const void *argv, float *result)
	Extract the sum of the values in an input vector.
int	xtract_hps (const float *data, const int N, const void *argv, float *result)
	Extract the Pitch of an input vector using Harmonic Product Spectrum (HPS) analysis.
int	xtract_f0 (const float *data, const int N, const void *argv, float *result)
	Extract the fundamental frequency of an input vector.
int	xtract_failsafe_f0 (const float *data, const int N, const void *argv, float *result)
	Extract the fundamental frequency of an input vector.
int	xtract_nonzero_count (const float *data, const int N, const void *argv, float *result)
	Extract the number of non-zero elements in an input vector.

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Detailed Description

: declares functions that extract a feature as a single value from an input vector

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