In file ../include/EST_ChannelType.h:

## enum EST_CoefficientType

> Symbolic names for coefficient types.

cot_lpc
  Linear prediction filter
cot_first
  guaranteed to be the first known type
cot_reflection
  reflection coefficients
cot_cepstrum
  Cepstral coefficients
cot_melcepstrum
  Mel Scale Cepstrum
cot_fbank
  Mel Scale filter bank
cot_lsf
  Line spectral pairs
cot_tubearea
  Tube areas for filter
cot_filter
  Unknown filter type
cot_user1
  Free for experimentation
cot_user2
  Free for experimentation
cot_free
  Guaranteed to be one more than last legal coefficient type

## Documentation

> Symbolic names for coefficient types.

> Used to record what kinds of information are in a track and anywhere else we need to refer to coefficient types.

`cot_lpc`
  Linear prediction filter

`cot_first`
  guaranteed to be the first known type

`cot_reflection`
  reflection coefficients

`cot_cepstrum`
  Cepstral coefficients

`cot_melcepstrum`
  Mel Scale Cepstrum

`cot_fbank`
  Mel Scale filter bank

`cot_lsf`
  Line spectral pairs

`cot_tubearea`
  Tube areas for filter

`cot_filter`
  Unknown filter type

`cot_user1`
  Free for experimentation

`cot_user2`
  Free for experimentation

`cot_free`
  Guaranteed to be one more than last legal coefficient type

See Also:
  EST_ChannelType

Alphabetic index HTML hierarchy of classes or Java

This page is part of the Edinburgh Speech Tools Library documentation
Copyright University of Edinburgh 1997
Contact: speech_tools@cstr.ed.ac.uk