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The Open Master Hearing Aid (openMHA)
openMHA
Open community platform for hearing aid algorithm research
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The Open Master Hearing Aid (openMHA)
openMHA
Open community platform for hearing aid algorithm research
|
Generic window based on a generator function. More...
Public Member Functions | |
| fun_t (unsigned int n, float(*fun)(float), float xmin=-1, float xmax=1, bool min_included=true, bool max_included=false) | |
| Constructor. More... | |
 Public Member Functions inherited from MHAWindow::base_t | |
| base_t (unsigned int len) | |
| Constructor. More... | |
| base_t (const MHAWindow::base_t &src) | |
| Copy constructor. More... | |
| void | operator() (mha_wave_t &) const |
| Apply window to waveform segment (reference) More... | |
| void | operator() (mha_wave_t *) const |
| Apply window to waveform segment (pointer) More... | |
| void | ramp_begin (mha_wave_t &) const |
| Apply a ramp at the begining. More... | |
| void | ramp_end (mha_wave_t &) const |
| Apply a ramp at the end. More... | |
| Public Member Functions inherited from MHASignal::waveform_t | |
| waveform_t (const unsigned int &frames, const unsigned int &channels) | |
| constructor of waveform_t More... | |
| waveform_t (const mhaconfig_t &cf) | |
| Constructor to create a waveform from plugin configuration. More... | |
| waveform_t (const mha_wave_t &src) | |
| Copy contructor for mha_wave_t source. More... | |
| waveform_t (const MHASignal::waveform_t &src) | |
| Copy contructor. More... | |
| waveform_t (const std::vector< mha_real_t > &src) | |
| Copy contructor for std::vector<mha_real_t> source. More... | |
| virtual | ~waveform_t (void) |
| std::vector< mha_real_t > | flatten () const |
| operator std::vector< mha_real_t > () const | |
| void | operator= (const mha_real_t &v) |
| mha_real_t & | operator[] (unsigned int k) |
| const mha_real_t & | operator[] (unsigned int k) const |
| mha_real_t & | value (unsigned int t, unsigned int ch) |
| Element accessor. More... | |
| mha_real_t & | operator() (unsigned int t, unsigned int ch) |
| Element accessor. More... | |
| const mha_real_t & | value (unsigned int t, unsigned int ch) const |
| Constant element accessor. More... | |
| const mha_real_t & | operator() (unsigned int t, unsigned int ch) const |
| Constant element accessor. More... | |
| mha_real_t | sum (const unsigned int &a, const unsigned int &b) |
| sum of all elements between [a,b) in all channels More... | |
| mha_real_t | sum (const unsigned int &a, const unsigned int &b, const unsigned int &ch) |
| sum of all elements between [a,b) in channel ch More... | |
| mha_real_t | sum () |
| sum of all elements More... | |
| mha_real_t | sumsqr () |
| sum of square of all elements More... | |
| mha_real_t | sum_channel (const unsigned int &) |
| return sum of all elements in one channel More... | |
| void | assign (const unsigned int &k, const unsigned int &ch, const mha_real_t &val) |
| set frame "k" in channel "ch" to value "val" More... | |
| void | assign (const mha_real_t &) |
| set all elements to value More... | |
| void | assign_frame (const unsigned int &k, const mha_real_t &val) |
| assign value "val" to frame k in all channels More... | |
| void | assign_channel (const unsigned int &c, const mha_real_t &val) |
| assign value "val" to channel ch in all frames More... | |
| void | copy (const std::vector< mha_real_t > &v) |
| void | copy (const mha_wave_t &) |
| copy data from source into current waveform More... | |
| void | copy (const mha_wave_t *) |
| void | copy_channel (const mha_wave_t &, unsigned int, unsigned int) |
| Copy one channel of a given waveform signal to a target channel. More... | |
| void | copy_from_at (unsigned int, unsigned int, const mha_wave_t &, unsigned int) |
| Copy part of the source signal into part of this waveform object. More... | |
| void | export_to (mha_wave_t &) |
| copy data into allocated mha_wave_t structure More... | |
| void | limit (const mha_real_t &min, const mha_real_t &max) |
| limit target to range [min,max] More... | |
| void | power (const waveform_t &) |
| transform waveform signal (in Pa) to squared signal (in W/m^2) More... | |
| void | powspec (const mha_spec_t &) |
| get the power spectrum (in W/m^2) from a complex spectrum More... | |
| void | scale (const unsigned int &a, const unsigned int &b, const unsigned int &ch, const mha_real_t &val) |
| scale section [a,b) in channel "ch" by "val" More... | |
| void | scale (const unsigned int &k, const unsigned int &ch, const mha_real_t &val) |
| scale one element More... | |
| void | scale_channel (const unsigned int &, const mha_real_t &) |
| scale one channel of target with a scalar More... | |
| void | scale_frame (const unsigned int &, const mha_real_t &) |
| unsigned int | get_size () const |
Additional Inherited Members | |
| Public Attributes inherited from mha_wave_t | |
| mha_real_t * | buf |
| signal buffer More... | |
| unsigned int | num_channels |
| number of channels More... | |
| unsigned int | num_frames |
| number of frames in each channel More... | |
| mha_channel_info_t * | channel_info |
| detailed channel description More... | |
Generic window based on a generator function.
The generator function should return a valid window function in the interval [-1,1[.
| MHAWindow::fun_t::fun_t | ( | unsigned int | n, |
| float(*)(float) | fun, | ||
| float | xmin = -1, |
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| float | xmax = 1, |
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| bool | min_included = true, |
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| bool | max_included = false |
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| ) |
Constructor.
| n | Window length |
| fun | Generator function, i.e. MHAWindow::hanning() |
| xmin | Start value of window, i.e. -1 for full window or 0 for fade-out ramp. |
| xmax | Last value of window, i.e. 1 for full window |
| min_included | Flag if minimum value is included |
| max_included | Flag if maximum value is included |
