Annotation

‘audio.annotation’ module within the ketos library

This module provides utilities to handle annotations associated with waveform and spectrogram objects.

Contents:

AnnotationHandler class

AnnotationHandler([df])	Class for handling annotations of acoustic data.
add_index_level(df[, key])	Ensure the DataFrame has at least two indexing levels.
convert(x, unit)	Convert a quantity specified as a string with SI units, e.g. "7kg" to a float with the specified unit, e.g. 'g'.
convert_to_Hz(x)	Convert a frequency specified as a string with SI units, e.g. "11kHz" to a float with units of Hz.
convert_to_sec(x)	Convert a time duration specified as a string with SI units, e.g. "22min" to a float with units of seconds.
stack_annotations(handlers[, keys, level])	Create a handler to manage a stack of annotation sets.