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


F0 - Fundamental Frequency
;<code>method</code>:the method. The following methods exist:
RMS - Signal Energy
::FO - Formants
Phase - Phase Spectrum
::RMSB - Frequency Band Energy
ASpec - Amplitude Spectrum
::RMS - Signal Energy (RMS)
Fof - Formant Frequencies
::F0A - Fundamental Frequency (SIFT)
Cep - Cepstrum
::F0B - Fundamental Frequency (autocorr.)
LAT - Log attack time
::F0H - Fundamental Frequency (harmonic grid)
CLPC - LPC coefficient
::ALPHA - LPC - Error Energy
TFA - Amplitude Spectrogram
::IRRSP - Irrelevance Amplitude Spectrum
TFP - Phase Spectrogram
::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>method</code> - the method. The following methods exist:
;<code>nx</code>:the number of x axis
 
;<code>ny</code>:the number of y data vectors
FO - Formants
;<code>CH</code>:the channel this parameter was calculated for.
RMSB - Frequency Band Energy
;<code>lfrm</code>:the frame length in milliseconds
RMS - Signal Energy (RMS)
;<code>sfrm</code>:the frame shift in milliseconds
F0A - Fundamental Frequency (SIFT)
;<code>nfrm</code>:the number of frames
F0B - Fundamental Frequency (autocorr.)
;<code>date</code>:the date the parameter was saved
F0H - Fundamental Frequency (harmonic grid)
;<code>time</code>:the time the parameter was saved
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>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

Revision as of 08:30, 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
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