introduce new function maskfilter_itu() where then the different filtering methods are called (e604fdac) · Commits · IVAS Codec Public Collaboration / IVAS Processing Scripts

ivas_processing_scripts/audiotools/convert/init.py

+2 −10

Original line number	Diff line number	Diff line
		@@ -43,8 +43,7 @@ from ivas_processing_scripts.audiotools.convert.scenebased import convert_sceneb
		from ivas_processing_scripts.audiotools.wrappers.bs1770 import loudness_norm
		from ivas_processing_scripts.audiotools.wrappers.esdru import esdru
		from ivas_processing_scripts.audiotools.wrappers.filter import (
		hp50filter_itu,
		kbp20filter_itu,
		maskfilter_itu,
		lpfilter_itu,
		resample_itu,
		)
		@@ -237,14 +236,7 @@ def process_audio(
		if mask is not None:
		if logger:
		logger.debug("Applying mask filter using ITU STL filter")
		if mask == "HP50":
		x.audio = hp50filter_itu(x)
		# elif mask == "20KBP":
		# x.audio = kbp20filter_itu(x)
		# else:
		# raise ValueError(
		# "Invalid mask filter defined"
		# )
		x.audio = maskfilter_itu(x, mask)

		"""resampling"""
		if x.fs != fs:

+30 −0

Original line number	Diff line number	Diff line
		@@ -343,6 +343,36 @@ def kbp20filter_itu(
		return y


		def maskfilter_itu(
		x: Audio,
		mask: str,
		) -> np.ndarray:
		"""
		mask filter for multi-channel audio array

		Parameters
		----------
		x: Audio
		Input audio

		Returns
		-------
		y: np.ndarray
		Output high-pass filtered array
		"""

		if mask == "HP50":
		y = hp50filter_itu(x)
		elif mask == "20KBP":
		y = kbp20filter_itu(x)
		else:
		raise ValueError(
		"Invalid mask filter defined"
		)

		return y


		def resample_itu(
		x: Audio,
		fs_new: int,