Programmer Guide/General Descriptions/APar: Difference between revisions
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The <code>APar</code> element contains parameters calculated for a specific audio segment. An <code>APar</code> must be the child of an <code>[[Programmer Guide/General Descriptions/ASeg|ASeg]]</code> element. The <code>APar</code> element has the following attributes: | The <code>APar</code> element contains parameters calculated for a specific audio segment. An <code>APar</code> must be the child of an <code>[[Programmer Guide/General Descriptions/ASeg|ASeg]]</code> element. The <code>APar</code> element has the following attributes: | ||
<code>type</code> - the type of method. The following types exist: | ;<code>type</code>: - the type of method. The following types exist: | ||
::F0 - Fundamental Frequency | |||
::RMS - Signal Energy | |||
::Phase - Phase Spectrum | |||
::ASpec - Amplitude Spectrum | |||
::Fof - Formant Frequencies | |||
::Cep - Cepstrum | |||
::LAT - Log attack time | |||
::CLPC - LPC coefficient | |||
::TFA - Amplitude Spectrogram | |||
::TFP - Phase Spectrogram | |||
;<code>method</code>:the method. The following methods exist: | |||
RMS - Signal Energy | ::FO - Formants | ||
::RMSB - Frequency Band Energy | |||
::RMS - Signal Energy (RMS) | |||
::F0A - Fundamental Frequency (SIFT) | |||
::F0B - Fundamental Frequency (autocorr.) | |||
::F0H - Fundamental Frequency (harmonic grid) | |||
::ALPHA - LPC - Error Energy | |||
::IRRSP - Irrelevance Amplitude Spectrum | |||
::IRRTH - Irrelevance Threshhold | |||
::FFT - FFT Amplitude Spectrum | |||
::FFTP - FFT Phase Spectrum | |||
::CEPST - Cepstrum Smoothed Spectrum | |||
::LOFAR - Spectrum - Cepstrum | |||
::WAVE - Wavelet Amplitude Spectrum | |||
::WAVEP - Wavelet Phase Spectrum | |||
::STFT - FFT Amplitude Spectrogram | |||
::STFTP - FFT Phase Spectrogram | |||
::STWT - Wavelet Amplitude Spectrogram | |||
::STWTP - Wavelet Phase Spectrogram | |||
::LPC - LPC Smoothed Spectrum | |||
::LPAI - LPC Inverse Filter Coefficients | |||
::LPRC - LPC Reflection Coefficients | |||
::LPAR - LPC Area Coefficients | |||
<code> | ;<code>nx</code>:the number of x axis | ||
;<code>ny</code>:the number of y data vectors | |||
;<code>CH</code>:the channel this parameter was calculated for. | |||
;<code>lfrm</code>:the frame length in milliseconds | |||
;<code>sfrm</code>:the frame shift in milliseconds | |||
;<code>nfrm</code>:the number of frames | |||
;<code>date</code>:the date the parameter was saved | |||
;<code>time</code>:the time the parameter was saved | |||
ny</code> | |||
CH</code> | |||
lfrm</code> | |||
sfrm</code> | |||
nfrm</code> | |||
date</code> | |||
time</code> |
Revision as of 07:30, 19 September 2019
The APar
element contains parameters calculated for a specific audio segment. An APar
must be the child of an ASeg
element. The APar
element has the following attributes:
type
- - the type of method. The following types exist:
- F0 - Fundamental Frequency
- RMS - Signal Energy
- Phase - Phase Spectrum
- ASpec - Amplitude Spectrum
- Fof - Formant Frequencies
- Cep - Cepstrum
- LAT - Log attack time
- CLPC - LPC coefficient
- TFA - Amplitude Spectrogram
- TFP - Phase Spectrogram
method
- the method. The following methods exist:
- FO - Formants
- RMSB - Frequency Band Energy
- RMS - Signal Energy (RMS)
- F0A - Fundamental Frequency (SIFT)
- F0B - Fundamental Frequency (autocorr.)
- F0H - Fundamental Frequency (harmonic grid)
- ALPHA - LPC - Error Energy
- IRRSP - Irrelevance Amplitude Spectrum
- IRRTH - Irrelevance Threshhold
- FFT - FFT Amplitude Spectrum
- FFTP - FFT Phase Spectrum
- CEPST - Cepstrum Smoothed Spectrum
- LOFAR - Spectrum - Cepstrum
- WAVE - Wavelet Amplitude Spectrum
- WAVEP - Wavelet Phase Spectrum
- STFT - FFT Amplitude Spectrogram
- STFTP - FFT Phase Spectrogram
- STWT - Wavelet Amplitude Spectrogram
- STWTP - Wavelet Phase Spectrogram
- LPC - LPC Smoothed Spectrum
- LPAI - LPC Inverse Filter Coefficients
- LPRC - LPC Reflection Coefficients
- LPAR - LPC Area Coefficients
nx
- the number of x axis
ny
- the number of y data vectors
CH
- the channel this parameter was calculated for.
lfrm
- the frame length in milliseconds
sfrm
- the frame shift in milliseconds
nfrm
- the number of frames
date
- the date the parameter was saved
time
- the time the parameter was saved