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 | |||
F0 - Fundamental Frequency | ::RMS - Signal Energy | ||
RMS - Signal Energy | ::Phase - Phase Spectrum | ||
Phase - Phase Spectrum | ::ASpec - Amplitude Spectrum | ||
ASpec - Amplitude Spectrum | ::Fof - Formant Frequencies | ||
Fof - Formant Frequencies | ::Cep - Cepstrum | ||
Cep - Cepstrum | ::LAT - Log attack time | ||
LAT - Log attack time | ::CLPC - LPC coefficient | ||
CLPC - LPC coefficient | ::TFA - Amplitude Spectrogram | ||
TFA - Amplitude Spectrogram | ::TFP - Phase Spectrogram | ||
TFP - Phase Spectrogram | |||
FO - Formants | ;<code>method</code>:the method. The following methods exist: | ||
RMSB - Frequency Band Energy | ::FO - Formants | ||
RMS - Signal Energy (RMS) | ::RMSB - Frequency Band Energy | ||
F0A - Fundamental Frequency (SIFT) | ::RMS - Signal Energy (RMS) | ||
F0B - Fundamental Frequency (autocorr.) | ::F0A - Fundamental Frequency (SIFT) | ||
F0H - Fundamental Frequency (harmonic grid) | ::F0B - Fundamental Frequency (autocorr.) | ||
ALPHA - LPC - Error Energy | ::F0H - Fundamental Frequency (harmonic grid) | ||
IRRSP - Irrelevance Amplitude Spectrum | ::ALPHA - LPC - Error Energy | ||
IRRTH - Irrelevance Threshhold | ::IRRSP - Irrelevance Amplitude Spectrum | ||
FFT - FFT Amplitude Spectrum | ::IRRTH - Irrelevance Threshhold | ||
FFTP - FFT Phase Spectrum | ::FFT - FFT Amplitude Spectrum | ||
CEPST - Cepstrum Smoothed Spectrum | ::FFTP - FFT Phase Spectrum | ||
LOFAR - Spectrum - Cepstrum | ::CEPST - Cepstrum Smoothed Spectrum | ||
WAVE - Wavelet Amplitude Spectrum | ::LOFAR - Spectrum - Cepstrum | ||
WAVEP - Wavelet Phase Spectrum | ::WAVE - Wavelet Amplitude Spectrum | ||
STFT - FFT Amplitude Spectrogram | ::WAVEP - Wavelet Phase Spectrum | ||
STFTP - FFT Phase Spectrogram | ::STFT - FFT Amplitude Spectrogram | ||
STWT - Wavelet Amplitude Spectrogram | ::STFTP - FFT Phase Spectrogram | ||
STWTP - Wavelet Phase Spectrogram | ::STWT - Wavelet Amplitude Spectrogram | ||
LPC - LPC Smoothed Spectrum | ::STWTP - Wavelet Phase Spectrogram | ||
LPAI - LPC Inverse Filter Coefficients | ::LPC - LPC Smoothed Spectrum | ||
LPRC - LPC Reflection Coefficients | ::LPAI - LPC Inverse Filter Coefficients | ||
LPAR - LPC Area Coefficients | ::LPRC - LPC Reflection Coefficients | ||
::LPAR - LPC Area Coefficients | |||
<code>nx</code> | ;<code>nx</code>:the number of x axis | ||
ny</code> | ;<code>ny</code>:the number of y data vectors | ||
CH</code> | ;<code>CH</code>:the channel this parameter was calculated for. | ||
lfrm</code> | ;<code>lfrm</code>:the frame length in milliseconds | ||
sfrm</code> | ;<code>sfrm</code>:the frame shift in milliseconds | ||
nfrm</code> | ;<code>nfrm</code>:the number of frames | ||
date</code> | ;<code>date</code>:the date the parameter was saved | ||
time</code> | ;<code>time</code>:the time the parameter was saved | ||
Latest 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
