|
| void | MHASignal::for_each (mha_wave_t *s, mha_real_t(*fun)(mha_real_t)) |
| | Apply a function to each element of a mha_wave_t. More...
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| |
| mha_real_t | MHASignal::lin2db (mha_real_t x, mha_real_t eps) |
| | Conversion from linear scale to dB (no SPL reference) More...
|
| |
| mha_real_t | MHASignal::lin2db (mha_real_t x) |
| | Conversion from linear scale to dB (no SPL reference) More...
|
| |
| mha_real_t | MHASignal::db2lin (mha_real_t x) |
| | Conversion from dB scale to linear (no SPL reference) More...
|
| |
| mha_real_t | MHASignal::sq2db (mha_real_t x, mha_real_t eps=0.0f) |
| | conversion from squared values to dB (no SPL reference) More...
|
| |
| mha_real_t | MHASignal::db2sq (mha_real_t x) |
| | conversion from dB to squared values (no SPL reference) More...
|
| |
| mha_real_t | MHASignal::pa2dbspl (mha_real_t x, mha_real_t eps) |
| | Conversion from linear Pascal scale to dB SPL. More...
|
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| mha_real_t | MHASignal::pa2dbspl (mha_real_t x) |
| | Conversion from linear Pascal scale to dB SPL. More...
|
| |
| mha_real_t | MHASignal::dbspl2pa (mha_real_t x) |
| | Conversion from dB SPL to linear Pascal scale. More...
|
| |
| mha_real_t | MHASignal::pa22dbspl (mha_real_t x, mha_real_t eps=0.0f) |
| | Conversion from squared Pascal scale to dB SPL. More...
|
| |
| mha_real_t | MHASignal::dbspl2pa2 (mha_real_t x) |
| | conversion from dB SPL to squared Pascal scale More...
|
| |
| mha_real_t | MHASignal::smp2sec (mha_real_t n, mha_real_t srate) |
| | conversion from samples to seconds More...
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| |
| mha_real_t | MHASignal::sec2smp (mha_real_t sec, mha_real_t srate) |
| | conversion from seconds to samples More...
|
| |
| mha_real_t | MHASignal::bin2freq (mha_real_t bin, unsigned fftlen, mha_real_t srate) |
| | conversion from fft bin index to frequency More...
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| |
| mha_real_t | MHASignal::freq2bin (mha_real_t freq, unsigned fftlen, mha_real_t srate) |
| | conversion from frequency to fft bin index More...
|
| |
| mha_real_t | MHASignal::smp2rad (mha_real_t samples, unsigned bin, unsigned fftlen) |
| | conversion from delay in samples to phase shift More...
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| |
| mha_real_t | MHASignal::rad2smp (mha_real_t phase_shift, unsigned bin, unsigned fftlen) |
| | conversion from phase shift to delay in samples More...
|
| |
| template<class elem_type > |
| std::vector< elem_type > | MHASignal::dupvec (std::vector< elem_type > vec, unsigned n) |
| | Duplicate last vector element to match desired size. More...
|
| |
| template<class elem_type > |
| std::vector< elem_type > | MHASignal::dupvec_chk (std::vector< elem_type > vec, unsigned n) |
| | Duplicate last vector element to match desired size, check for dimension. More...
|
| |
| bool | equal_dim (const mha_wave_t &a, const mha_wave_t &b) |
| | Test for equal dimension of waveform structures. More...
|
| |
| bool | equal_dim (const mha_wave_t &a, const mhaconfig_t &b) |
| | Test for match of waveform dimension with mhaconfig structure. More...
|
| |
| bool | equal_dim (const mha_spec_t &a, const mha_spec_t &b) |
| | Test for equal dimension of spectrum structures. More...
|
| |
| bool | equal_dim (const mha_spec_t &a, const mhaconfig_t &b) |
| | Test for match of spectrum dimension with mhaconfig structure. More...
|
| |
| bool | equal_dim (const mha_wave_t &a, const mha_spec_t &b) |
| | Test for equal dimension of waveform/spectrum structures. More...
|
| |
| bool | equal_dim (const mha_spec_t &a, const mha_wave_t &b) |
| | Test for equal dimension of waveform/spectrum structures. More...
|
| |
| void | integrate (mha_wave_t &s) |
| | Numeric integration of a signal vector (real values) More...
|
| |
| void | integrate (mha_spec_t &s) |
| | Numeric integration of a signal vector (complex values) More...
|
| |
| unsigned int | mha_min_1 (unsigned int a) |
| |
| unsigned int | size (const mha_wave_t &s) |
| | Return size of a waveform structure. More...
|
| |
| unsigned int | size (const mha_spec_t &s) |
| | Return size of a spectrum structure. More...
|
| |
| unsigned int | size (const mha_wave_t *s) |
| | Return size of a waveform structure. More...
|
| |
| unsigned int | size (const mha_spec_t *s) |
| | Return size of a spectrum structure. More...
|
| |
| void | clear (mha_wave_t &s) |
| | Set all values of waveform to zero. More...
|
| |
| void | clear (mha_wave_t *s) |
| | Set all values of waveform to zero. More...
|
| |
| void | clear (mha_spec_t &s) |
| | Set all values of spectrum to zero. More...
|
| |
| void | clear (mha_spec_t *s) |
| | Set all values of spectrum to zero. More...
|
| |
| void | assign (mha_wave_t self, mha_real_t val) |
| | Set all values of waveform 'self' to 'val'. More...
|
| |
| void | assign (mha_wave_t self, const mha_wave_t &val) |
| | Set all values of waveform 'self' to 'val'. More...
|
| |
| void | assign (mha_spec_t self, const mha_spec_t &val) |
| | Set all values of spectrum 'self' to 'val'. More...
|
| |
| void | timeshift (mha_wave_t &self, int shift) |
| | Time shift of waveform chunk. More...
|
| |
| mha_wave_t | range (mha_wave_t s, unsigned int k0, unsigned int len) |
| | Return a time interval from a waveform chunk. More...
|
| |
| mha_spec_t | channels (mha_spec_t s, unsigned int ch_start, unsigned int nch) |
| | Return a channel interval from a spectrum. More...
|
| |
| mha_real_t & | value (mha_wave_t *s, unsigned int fr, unsigned int ch) |
| | Access an element of a waveform structure. More...
|
| |
| const mha_real_t & | value (const mha_wave_t *s, unsigned int fr, unsigned int ch) |
| | Constant access to an element of a waveform structure. More...
|
| |
| mha_real_t & | value (mha_wave_t *s, unsigned int k) |
| |
| mha_complex_t & | value (mha_spec_t *s, unsigned int k) |
| |
| mha_complex_t & | value (mha_spec_t *s, unsigned int fr, unsigned int ch) |
| | Access to an element of a spectrum. More...
|
| |
| const mha_complex_t & | value (const mha_spec_t *s, unsigned int fr, unsigned int ch) |
| | Constant access to an element of a spectrum. More...
|
| |
| mha_real_t & | value (mha_wave_t &s, unsigned int fr, unsigned int ch) |
| | Access to an element of a waveform structure. More...
|
| |
| const mha_real_t & | value (const mha_wave_t &s, unsigned int fr, unsigned int ch) |
| | Constant access to an element of a waveform structure. More...
|
| |
| mha_complex_t & | value (mha_spec_t &s, unsigned int fr, unsigned int ch) |
| | Access to an element of a spectrum. More...
|
| |
| const mha_complex_t & | value (const mha_spec_t &s, unsigned int fr, unsigned int ch) |
| | Constant access to an element of a spectrum. More...
|
| |
| std::vector< float > | std_vector_float (const mha_wave_t &) |
| | Converts a mha_wave_t structure into a std::vector<float> (interleaved order). More...
|
| |
| std::vector< std::vector< float > > | std_vector_vector_float (const mha_wave_t &) |
| | Converts a mha_wave_t structure into a std::vector< std::vector<float> > (outer vector represents channels). More...
|
| |
| std::vector< std::vector< mha_complex_t > > | std_vector_vector_complex (const mha_spec_t &) |
| | Converts a mha_spec_t structure into a std::vector< std::vector<mha_complex_t> > (outer vector represents channels). More...
|
| |
| mha_wave_t & | operator+= (mha_wave_t &, const mha_real_t &) |
| | Addition operator. More...
|
| |
| mha_wave_t & | operator+= (mha_wave_t &, const mha_wave_t &) |
| | Addition operator. More...
|
| |
| mha_wave_t & | operator-= (mha_wave_t &, const mha_wave_t &) |
| | Subtraction operator. More...
|
| |
| mha_spec_t & | operator-= (mha_spec_t &, const mha_spec_t &) |
| | Subtraction operator. More...
|
| |
| mha_wave_t & | operator*= (mha_wave_t &, const mha_real_t &) |
| | Element-wise multiplication operator. More...
|
| |
| mha_wave_t & | operator*= (mha_wave_t &, const mha_wave_t &) |
| | Element-wise multiplication operator. More...
|
| |
| mha_spec_t & | operator*= (mha_spec_t &, const mha_real_t &) |
| | Element-wise multiplication operator. More...
|
| |
| mha_spec_t & | operator*= (mha_spec_t &, const mha_wave_t &) |
| | Element-wise multiplication operator. More...
|
| |
| mha_spec_t & | operator*= (mha_spec_t &, const mha_spec_t &) |
| | Element-wise multiplication operator. More...
|
| |
| mha_spec_t & | operator/= (mha_spec_t &, const mha_spec_t &) |
| | Element-wise division operator. More...
|
| |
| mha_wave_t & | operator/= (mha_wave_t &, const mha_wave_t &) |
| | Element-wise division operator. More...
|
| |
| mha_spec_t & | operator+= (mha_spec_t &, const mha_spec_t &) |
| | Addition operator. More...
|
| |
| mha_spec_t & | operator+= (mha_spec_t &, const mha_real_t &) |
| | Addition operator. More...
|
| |
| void | set_minabs (mha_spec_t &, const mha_real_t &) |
| |
| mha_spec_t & | safe_div (mha_spec_t &self, const mha_spec_t &v, mha_real_t eps) |
| | In-Place division with lower limit on divisor. More...
|
| |
| mha_wave_t & | operator^= (mha_wave_t &self, const mha_real_t &arg) |
| | Exponent operator. More...
|
| |
| void | MHASignal::copy_channel (mha_spec_t &self, const mha_spec_t &src, unsigned sch, unsigned dch) |
| | Copy one channel of a source signal. More...
|
| |
| void | MHASignal::copy_channel (mha_wave_t &self, const mha_wave_t &src, unsigned src_channel, unsigned dest_channel) |
| | Copy one channel of a source signal. More...
|
| |
| mha_real_t | MHASignal::rmslevel (const mha_spec_t &s, unsigned int channel, unsigned int fftlen) |
| | Return RMS level of a spectrum channel. More...
|
| |
| mha_real_t | MHASignal::colored_intensity (const mha_spec_t &s, unsigned int channel, unsigned int fftlen, mha_real_t *sqfreq_response=nullptr) |
| | Colored spectrum intensity. More...
|
| |
| mha_real_t | MHASignal::maxabs (const mha_spec_t &s, unsigned int channel) |
| | Find maximal absolute value. More...
|
| |
| mha_real_t | MHASignal::rmslevel (const mha_wave_t &s, unsigned int channel) |
| | Return RMS level of a waveform channel. More...
|
| |
| mha_real_t | MHASignal::maxabs (const mha_wave_t &s, unsigned int channel) |
| | Find maximal absolute value. More...
|
| |
| mha_real_t | MHASignal::maxabs (const mha_wave_t &s) |
| | Find maximal absolute value. More...
|
| |
| mha_real_t | MHASignal::max (const mha_wave_t &s) |
| | Find maximal value. More...
|
| |
| mha_real_t | MHASignal::min (const mha_wave_t &s) |
| | Find minimal value. More...
|
| |
| mha_real_t | MHASignal::sumsqr_channel (const mha_wave_t &s, unsigned int channel) |
| | Calculate sum of squared values in one channel. More...
|
| |
| mha_real_t | MHASignal::sumsqr_frame (const mha_wave_t &s, unsigned int frame) |
| | Calculate sum over all channels of squared values. More...
|
| |
| void | MHASignal::scale (mha_spec_t *dest, const mha_wave_t *src) |
| |
| void | MHASignal::limit (mha_wave_t &s, const mha_real_t &min, const mha_real_t &max) |
| | Limit the singal in the waveform buffer to the range [min, max]. More...
|
| |
| mha_complex_t & | set (mha_complex_t &self, mha_real_t real, mha_real_t imag=0) |
| | Assign real and imaginary parts to a mha_complex_t variable. More...
|
| |
| mha_complex_t | mha_complex (mha_real_t real, mha_real_t imag=0) |
| | Create a new mha_complex_t with specified real and imaginary parts. More...
|
| |
| mha_complex_t & | set (mha_complex_t &self, const std::complex< mha_real_t > &stdcomplex) |
| | Assign a mha_complex_t variable from a std::complex. More...
|
| |
| std::complex< mha_real_t > | stdcomplex (const mha_complex_t &self) |
| | Create a std::complex from mha_complex_t. More...
|
| |
| mha_complex_t & | expi (mha_complex_t &self, mha_real_t angle) |
| | replaces the value of the given mha_complex_t with exp(i*b). More...
|
| |
| double | angle (const mha_complex_t &self) |
| | Computes the angle of a complex number in the complex plane. More...
|
| |
| mha_complex_t & | operator+= (mha_complex_t &self, const mha_complex_t &other) |
| | Addition of two complex numbers, overwriting the first. More...
|
| |
| mha_complex_t | operator+ (const mha_complex_t &self, const mha_complex_t &other) |
| | Addition of two complex numbers, result is a temporary object. More...
|
| |
| mha_complex_t & | operator+= (mha_complex_t &self, mha_real_t other_real) |
| | Addition of a complex and a real number, overwriting the complex. More...
|
| |
| mha_complex_t | operator+ (const mha_complex_t &self, mha_real_t other_real) |
| | Addition of a complex and a real number, result is a temporary object. More...
|
| |
| mha_complex_t & | operator-= (mha_complex_t &self, const mha_complex_t &other) |
| | Subtraction of two complex numbers, overwriting the first. More...
|
| |
| mha_complex_t | operator- (const mha_complex_t &self, const mha_complex_t &other) |
| | Subtraction of two complex numbers, result is a temporary object. More...
|
| |
| mha_complex_t & | operator-= (mha_complex_t &self, mha_real_t other_real) |
| | Subtraction of a complex and a real number, overwriting the complex. More...
|
| |
| mha_complex_t | operator- (const mha_complex_t &self, mha_real_t other_real) |
| | Subtraction of a complex and a real number, result is a temporary object. More...
|
| |
| mha_complex_t & | operator*= (mha_complex_t &self, const mha_complex_t &other) |
| | Multiplication of two complex numbers, overwriting the first. More...
|
| |
| mha_complex_t | operator* (const mha_complex_t &self, const mha_complex_t &other) |
| | Multiplication of two complex numbers, result is a temporary object. More...
|
| |
| mha_complex_t & | operator*= (mha_complex_t &self, mha_real_t other_real) |
| | Multiplication of a complex and a real number, overwriting the complex. More...
|
| |
| mha_complex_t & | expi (mha_complex_t &self, mha_real_t angle, mha_real_t factor) |
| | replaces (!) the value of the given mha_complex_t with a * exp(i*b) More...
|
| |
| mha_complex_t | operator* (const mha_complex_t &self, mha_real_t other_real) |
| | Multiplication of a complex and a real number, result is a temporary object. More...
|
| |
| mha_real_t | abs2 (const mha_complex_t &self) |
| | Compute the square of the absolute value of a complex value. More...
|
| |
| mha_real_t | abs (const mha_complex_t &self) |
| | Compute the absolute value of a complex value. More...
|
| |
| mha_complex_t & | operator/= (mha_complex_t &self, mha_real_t other_real) |
| | Division of a complex and a real number, overwriting the complex. More...
|
| |
| mha_complex_t | operator/ (const mha_complex_t &self, mha_real_t other_real) |
| | Division of a complex and a real number, result is a temporary object. More...
|
| |
| mha_complex_t & | safe_div (mha_complex_t &self, const mha_complex_t &other, mha_real_t eps, mha_real_t eps2) |
| |
| mha_complex_t & | operator/= (mha_complex_t &self, const mha_complex_t &other) |
| | Division of two complex numbers, overwriting the first. More...
|
| |
| mha_complex_t | operator/ (const mha_complex_t &self, const mha_complex_t &other) |
| | Division of two complex numbers, result is a temporary object. More...
|
| |
| mha_complex_t | operator- (const mha_complex_t &self) |
| | Unary minus on a complex results in a negative temporary object. More...
|
| |
| bool | operator== (const mha_complex_t &x, const mha_complex_t &y) |
| | Compare two complex numbers for equality. More...
|
| |
| bool | operator!= (const mha_complex_t &x, const mha_complex_t &y) |
| | Compare two complex numbers for inequality. More...
|
| |
| void | conjugate (mha_complex_t &self) |
| | Replace (!) the value of this mha_complex_t with its conjugate. More...
|
| |
| void | conjugate (mha_spec_t &self) |
| | Replace (!) the value of this mha_spec_t with its conjugate. More...
|
| |
| mha_complex_t | _conjugate (const mha_complex_t &self) |
| | Compute the cojugate of this complex value. More...
|
| |
| void | reciprocal (mha_complex_t &self) |
| | Replace the value of this complex with its reciprocal. More...
|
| |
| mha_complex_t | _reciprocal (const mha_complex_t &self) |
| | compute the reciprocal of this complex value. More...
|
| |
| void | normalize (mha_complex_t &self) |
| | Divide a complex by its absolute value, thereby normalizing it (projecting onto the unit circle). More...
|
| |
| void | normalize (mha_complex_t &self, mha_real_t margin) |
| | Divide a complex by its absolute value, thereby normalizing it (projecting onto the unit circle), with a safety margin. More...
|
| |
| bool | almost (const mha_complex_t &self, const mha_complex_t &other, mha_real_t times_epsilon=1e2) |
| | Compare two complex numbers for equality except for a small relative error. More...
|
| |
| bool | operator< (const mha_complex_t &x, const mha_complex_t &y) |
| | Compares the absolute values of two complex numbers. More...
|
| |
| std::ostream & | operator<< (std::ostream &o, const mha_complex_t &c) |
| | ostream operator for mha_complex_t More...
|
| |
| std::istream & | operator>> (std::istream &i, mha_complex_t &c) |
| | preliminary istream operator for mha_complex_t without error checking More...
|
| |
| mha_fft_t | mha_fft_new (unsigned int n) |
| | Create a new FFT handle. More...
|
| |
| void | mha_fft_free (mha_fft_t h) |
| | Destroy an FFT handle. More...
|
| |
| void | mha_fft_wave2spec (mha_fft_t h, const mha_wave_t *in, mha_spec_t *out) |
| | Tranform waveform segment into spectrum. More...
|
| |
| void | mha_fft_wave2spec (mha_fft_t h, const mha_wave_t *in, mha_spec_t *out, bool swaps) |
| | Tranform waveform segment into spectrum. More...
|
| |
| void | mha_fft_spec2wave (mha_fft_t h, const mha_spec_t *in, mha_wave_t *out) |
| | Tranform spectrum into waveform segment. More...
|
| |
| void | mha_fft_spec2wave (mha_fft_t h, const mha_spec_t *in, mha_wave_t *out, unsigned int offset) |
| | Tranform spectrum into waveform segment. out may have fewer number of frames than needed for a complete iFFT. Only as many frames are written into out as fit, starting with offset offset of the complete iFFT. More...
|
| |
| void | mha_fft_forward (mha_fft_t h, mha_spec_t *sIn, mha_spec_t *sOut) |
| | Complex to complex FFT (forward). More...
|
| |
| void | mha_fft_backward (mha_fft_t h, mha_spec_t *sIn, mha_spec_t *sOut) |
| | Complex to complex FFT (backward). More...
|
| |
| void | mha_fft_forward_scale (mha_fft_t h, mha_spec_t *sIn, mha_spec_t *sOut) |
| | Complex to complex FFT (forward). More...
|
| |
| void | mha_fft_backward_scale (mha_fft_t h, mha_spec_t *sIn, mha_spec_t *sOut) |
| | Complex to complex FFT (backward). More...
|
| |
| void | mha_fft_wave2spec_scale (mha_fft_t h, const mha_wave_t *in, mha_spec_t *out) |
| | Tranform waveform segment into spectrum. More...
|
| |
| void | mha_fft_spec2wave_scale (mha_fft_t h, const mha_spec_t *in, mha_wave_t *out) |
| | Tranform spectrum into waveform segment. More...
|
| |
| template<class elem_type > |
| elem_type | MHASignal::kth_smallest (elem_type array[], unsigned n, unsigned k) |
| | Fast search for the kth smallest element of an array. More...
|
| |
| template<class elem_type > |
| elem_type | MHASignal::median (elem_type array[], unsigned n) |
| | Fast median search. More...
|
| |
| template<class elem_type > |
| elem_type | MHASignal::mean (const std::vector< elem_type > &data, elem_type start_val) |
| | Calculate average of elements in a vector. More...
|
| |
| template<class elem_type > |
| std::vector< elem_type > | MHASignal::quantile (std::vector< elem_type > data, const std::vector< elem_type > &p) |
| | Calculate quantile of elements in a vector. More...
|
| |
| void | MHASignal::saveas_mat4 (const mha_spec_t &data, const std::string &varname, FILE *fh) |
| | Save a openMHA spectrum as a variable in a Matlab4 file. More...
|
| |
| void | MHASignal::saveas_mat4 (const mha_wave_t &data, const std::string &varname, FILE *fh) |
| | Save a openMHA waveform as a variable in a Matlab4 file. More...
|
| |
| void | MHASignal::saveas_mat4 (const std::vector< mha_real_t > &data, const std::string &varname, FILE *fh) |
| | Save a float vector as a variable in a Matlab4 file. More...
|
| |
| void | MHASignal::copy_permuted (mha_wave_t *dest, const mha_wave_t *src) |
| | Copy contents of a waveform to a permuted waveform. More...
|
| |
