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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
|
First order maximum tracker. More...
Public Member Functions | |
| o1flt_maxtrack_t (const std::vector< mha_real_t > &, mha_real_t, mha_real_t=0) | |
| Constructor of low pass filter, sets sampling rate and time constants. More... | |
| o1flt_maxtrack_t (const std::vector< mha_real_t > &tau, mha_real_t fs, const std::vector< mha_real_t > &startval) | |
| void | set_tau (unsigned int ch, mha_real_t tau) |
| change the time constant in one channel More... | |
| void | set_tau (mha_real_t tau) |
| set time constant in all channels to tau More... | |
 Public Member Functions inherited from MHAFilter::o1flt_lowpass_t | |
| o1flt_lowpass_t (const std::vector< mha_real_t > &, mha_real_t, mha_real_t=0) | |
| Constructor of low pass filter, sets sampling rate and time constants. More... | |
| o1flt_lowpass_t (const std::vector< mha_real_t > &tau, mha_real_t fs, const std::vector< mha_real_t > &startval) | |
| Constructor of low pass filter, sets sampling rate and time constants. More... | |
| void | set_tau (unsigned int ch, mha_real_t tau) |
| change the time constant in one channel More... | |
| void | set_tau (mha_real_t tau) |
| set time constant in all channels to tau More... | |
| mha_real_t | get_c1 (unsigned int ch) const |
| mha_real_t | get_last_output (unsigned int ch) const |
| Public Member Functions inherited from MHAFilter::o1_ar_filter_t | |
| o1_ar_filter_t (unsigned int channels, mha_real_t fs=1.0f, std::vector< mha_real_t > tau_a=std::vector< float >(1, 0.0f), std::vector< mha_real_t > tau_r=std::vector< float >(1, 0.0f)) | |
| Constructor, setting all taus to zero. More... | |
| void | set_tau_attack (unsigned int ch, mha_real_t tau) |
| Set the attack time constant. More... | |
| void | set_tau_release (unsigned int ch, mha_real_t tau) |
| Set the release time constant. More... | |
| mha_real_t | operator() (unsigned int ch, mha_real_t x) |
| Apply filter to value x, using state channel ch. More... | |
| void | operator() (const mha_wave_t &in, mha_wave_t &out) |
| Apply filter to a mha_wave_t data. 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... | |
| Protected Attributes inherited from MHAFilter::o1_ar_filter_t | |
| MHASignal::waveform_t | c1_a |
| MHASignal::waveform_t | c2_a |
| MHASignal::waveform_t | c1_r |
| MHASignal::waveform_t | c2_r |
| mha_real_t | fs |
First order maximum tracker.
| MHAFilter::o1flt_maxtrack_t::o1flt_maxtrack_t | ( | const std::vector< mha_real_t > & | tau, |
| mha_real_t | fs, | ||
| mha_real_t | startval = 0 |
||
| ) |
Constructor of low pass filter, sets sampling rate and time constants.
| tau | Vector of time constants |
| fs | Sampling rate |
| startval | Initial internal state value |
| MHAFilter::o1flt_maxtrack_t::o1flt_maxtrack_t | ( | const std::vector< mha_real_t > & | tau, |
| mha_real_t | fs, | ||
| const std::vector< mha_real_t > & | startval | ||
| ) |
| void MHAFilter::o1flt_maxtrack_t::set_tau | ( | unsigned int | ch, |
| mha_real_t | tau | ||
| ) |
change the time constant in one channel
| void MHAFilter::o1flt_maxtrack_t::set_tau | ( | mha_real_t | tau | ) |
set time constant in all channels to tau
