support for using prefixes for input_path, IR and output_path (e0df0208) · Commits · IVAS Codec Public Collaboration / IVAS Processing Scripts

item_gen_configs/P800-1.yml

+86 −86

Original line number	Diff line number	Diff line
		@@ -3,6 +3,11 @@
		# General configuration
		################################################

		### Any relative paths will be interpreted relative to the working directory the script is called from!
		### Usage of absolute paths is recommended.
		### Do not use file names with dots "." in them! This is not supported, use "_" instead
		### For Windows users: please use double back slash '\\' in paths

		### Output format
		format: "STEREO"

		@@ -12,16 +17,11 @@ fs: 48000
		### IR sampling rate in Hz (only for files in .pcm format); default = 48000
		# IR_fs: 48000

		### Any relative paths will be interpreted relative to the working directory the script is called from!
		### Usage of absolute paths is recommended.
		### Do not use file names with dots "." in them! This is not supported, use "_" instead
		### For Windows users: please use double back slash '\\' in paths

		### Input path to mono files
		input_path: "./items_mono"

		### Input path to stereo impulse response files, default = './ivas_processing_scripts/generation/IR'
		# IR_path: "./IR"
		### Input path to stereo impulse response files, default = './IRs'
		IR_path: "./IRs"

		### Output path for generated test items and metadata files
		output_path: "experiments/selection/P800-1/proc_input"
		@@ -33,24 +33,24 @@ loudness: -26
		preamble: 0.5
		postamble: 1.0

		### Flag for adding low-level random background noise (amplitude +-4) instead of silence; default = false (silence)
		### Flag for adding low-level random background noise (amplitude +-4) instead of silence; default = False (silence)
		add_low_level_random_noise: true

		### File designators
		listening_lab: "a"
		language: "JP"
		### File designators, default is "l" for listening lab, "EN" for language, "p01" for exp and "g" for provider
		listening_lab: "l"
		language: "EN"
		exp: "p01"
		# provider: "Dolby"
		provider: "g"

		### Use prefix for all input filenames (default: None)
		### Use prefix for all input filenames (default: "")
		### l stands for the 'listening_lab' designator, L stands for the 'language', e stands for the 'exp' designator (the number of consecutive letters define the length of the field)
		use_input_prefix: "lLLeee"

		### Use prefix for all IR filenames (default: None)
		### Use prefix for all IR filenames (default: "")
		### p stands for the 'provider', e stands for the 'exp' designator (the number of consecutive letters define the length of the field)
		# use_IR_prefix: "IR_pp_eee_"

		### Use prefix for all output filenames (default: None)
		### Use prefix for all output filenames (default: "")
		### l stands for the 'listening_lab' designator, e stands for the 'exp' designator (the number of consecutive letters define the length of the field)
		use_output_prefix: "leee"

		@@ -109,251 +109,251 @@ scenes:
		name: "cat1/a1s01.wav"
		description: "Small anechoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f1s01.wav", "m1s01.wav"]
		IR: ["stereo/IR_g_p01_a_01_00_stAB100.wav", "stereo/IR_g_p01_a_07_00_stAB100.wav"]
		IR: ["IR_g_p01_a_01_00_stAB100.wav", "IR_g_p01_a_07_00_stAB100.wav"]
		overlap: 1.0

		cat1_2:
		name: "cat1/a1s02"
		name: "cat1/a1s02.wav"
		description: "Small anechoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m2s01.wav", "f2s01.wav"]
		IR: ["stereo/IR_g_p01_a_05_00_stAB100.wav", "stereo/IR_g_p01_a_03_00_stAB100.wav"]
		IR: ["IR_g_p01_a_05_00_stAB100.wav", "IR_g_p01_a_03_00_stAB100.wav"]
		overlap: 1.0

		cat1_3:
		name: "cat1/a1s03"
		name: "cat1/a1s03.wav"
		description: "Small anechoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f3s01.wav", "m3s01.wav"]
		IR: ["stereo/IR_g_p01_a_02_00_stAB100.wav", "stereo/IR_g_p01_a_06_00_stAB100.wav"]
		IR: ["IR_g_p01_a_02_00_stAB100.wav", "IR_g_p01_a_06_00_stAB100.wav"]
		overlap: 1.0

		cat1_4:
		name: "cat1/a1s04"
		name: "cat1/a1s04.wav"
		description: "Small anechoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m1s02.wav", "f1s02.wav"]
		IR: ["stereo/IR_g_p01_a_04_00_stAB100.wav", "stereo/IR_g_p01_a_01_00_stAB100.wav"]
		IR: ["IR_g_p01_a_04_00_stAB100.wav", "IR_g_p01_a_01_00_stAB100.wav"]
		overlap: 1.0

		cat1_5:
		name: "cat1/a1s05"
		name: "cat1/a1s05.wav"
		description: "Small anechoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f2s02.wav", "m2s02.wav"]
		IR: ["stereo/IR_g_p01_a_03_00_stAB100.wav", "stereo/IR_g_p01_a_04_00_stAB100.wav"]
		IR: ["IR_g_p01_a_03_00_stAB100.wav", "IR_g_p01_a_04_00_stAB100.wav"]
		overlap: 1.0

		cat1_6:
		name: "cat1/a1s06"
		name: "cat1/a1s06.wav"
		description: "Small anechoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m3s02.wav", "f3s02.wav"]
		IR: ["stereo/IR_g_p01_a_07_00_stAB100.wav", "stereo/IR_g_p01_a_02_00_stAB100.wav"]
		IR: ["IR_g_p01_a_07_00_stAB100.wav", "IR_g_p01_a_02_00_stAB100.wav"]
		overlap: 1.0

		cat2_1:
		name: "cat2/a2s01"
		name: "cat2/a2s01.wav"
		description: "Large anechoic room with AB microphone pickup, no overlap between the talkers."
		source: ["m3s03.wav", "f3s03.wav"]
		IR: ["stereo/IR_g_p01_b_05_00_stAB150.wav", "stereo/IR_g_p01_b_11_00_stAB150.wav"]
		IR: ["IR_g_p01_c_05_00_stAB150.wav", "IR_g_p01_c_11_00_stAB150.wav"]
		overlap: -1.0

		cat2_2:
		name: "cat2/a2s02"
		name: "cat2/a2s02.wav"
		description: "Large anechoic room with AB microphone pickup, no overlap between the talkers."
		source: ["f1s03.wav", "m1s03.wav"]
		IR: ["stereo/IR_g_p01_b_01_00_stAB150.wav", "stereo/IR_g_p01_b_06_00_stAB150.wav"]
		IR: ["IR_g_p01_c_01_00_stAB150.wav", "IR_g_p01_c_06_00_stAB150.wav"]
		overlap: -1.0

		cat2_3:
		name: "cat2/a2s03"
		name: "cat2/a2s03.wav"
		description: "Large anechoic room with AB microphone pickup, no overlap between the talkers."
		source: ["m2s03.wav", "f2s03.wav"]
		IR: ["stereo/IR_g_p01_b_03_00_stAB150.wav", "stereo/IR_g_p01_b_07_00_stAB150.wav"]
		IR: ["IR_g_p01_c_03_00_stAB150.wav", "IR_g_p01_c_07_00_stAB150.wav"]
		overlap: -1.0

		cat2_4:
		name: "cat2/a2s04"
		name: "cat2/a2s04.wav"
		description: "Large anechoic room with AB microphone pickup, no overlap between the talkers."
		source: ["f3s04.wav", "m3s04.wav"]
		IR: ["stereo/IR_g_p01_b_05_00_stAB150.wav", "stereo/IR_g_p01_b_08_00_stAB150.wav"]
		IR: ["IR_g_p01_c_05_00_stAB150.wav", "IR_g_p01_c_08_00_stAB150.wav"]
		overlap: -1.0

		cat2_5:
		name: "cat2/a2s05"
		name: "cat2/a2s05.wav"
		description: "Large anechoic room with AB microphone pickup, no overlap between the talkers."
		source: ["m1s04.wav", "f1s04.wav"]
		IR: ["stereo/IR_g_p01_b_09_00_stAB150.wav", "stereo/IR_g_p01_b_07_00_stAB150.wav"]
		IR: ["IR_g_p01_c_09_00_stAB150.wav", "IR_g_p01_c_07_00_stAB150.wav"]
		overlap: -1.0

		cat2_6:
		name: "cat2/a2s06"
		name: "cat2/a2s06.wav"
		description: "Large anechoic room with AB microphone pickup, no overlap between the talkers."
		source: ["f2s04.wav", "m2s04.wav"]
		IR: ["stereo/IR_g_p01_b_10_00_stAB150.wav", "stereo/IR_g_p01_b_09_00_stAB150.wav"]
		IR: ["IR_g_p01_c_10_00_stAB150.wav", "IR_g_p01_c_09_00_stAB150.wav"]
		overlap: -1.0

		cat3_1:
		name: "cat3/a3s01"
		name: "cat3/a3s01.wav"
		description: "Small anechoic room with MS microphone pickup, no overlap between the talkers."
		source: ["f2s05.wav", "m2s05.wav"]
		IR: ["stereo/IR_g_p01_a_01_00_stMS100.wav", "stereo/IR_g_p01_a_07_00_stMS100.wav"]
		IR: ["IR_g_p01_a_01_00_stMS100.wav", "IR_g_p01_a_07_00_stMS100.wav"]
		overlap: -1.0

		cat3_2:
		name: "cat3/a3s02"
		name: "cat3/a3s02.wav"
		description: "Small anechoic room with MS microphone pickup, no overlap between the talkers."
		source: ["m3s05.wav", "f3s05.wav"]
		IR: ["stereo/IR_g_p01_a_05_00_stMS100.wav", "stereo/IR_g_p01_a_03_00_stMS100.wav"]
		IR: ["IR_g_p01_a_05_00_stMS100.wav", "IR_g_p01_a_03_00_stMS100.wav"]
		overlap: -1.0

		cat3_3:
		name: "cat3/a3s03"
		name: "cat3/a3s03.wav"
		description: "Small anechoic room with MS microphone pickup, no overlap between the talkers."
		source: ["f1s05.wav", "m1s05.wav"]
		IR: ["stereo/IR_g_p01_a_02_00_stMS100.wav", "stereo/IR_g_p01_a_06_00_stMS100.wav"]
		IR: ["IR_g_p01_a_02_00_stMS100.wav", "IR_g_p01_a_06_00_stMS100.wav"]
		overlap: -1.0

		cat3_4:
		name: "cat3/a3s04"
		name: "cat3/a3s04.wav"
		description: "Small anechoic room with MS microphone pickup, no overlap between the talkers."
		source: ["m2s06.wav", "f2s06.wav"]
		IR: ["stereo/IR_g_p01_a_04_00_stMS100.wav", "stereo/IR_g_p01_a_01_00_stMS100.wav"]
		IR: ["IR_g_p01_a_04_00_stMS100.wav", "IR_g_p01_a_01_00_stMS100.wav"]
		overlap: -1.0

		cat3_5:
		name: "cat3/a3s05"
		name: "cat3/a3s05.wav"
		description: "Small anechoic room with MS microphone pickup, no overlap between the talkers."
		source: ["f3s06.wav", "m3s06.wav"]
		IR: ["stereo/IR_g_p01_a_03_00_stMS100.wav", "stereo/IR_g_p01_a_04_00_stMS100.wav"]
		IR: ["IR_g_p01_a_03_00_stMS100.wav", "IR_g_p01_a_04_00_stMS100.wav"]
		overlap: -1.0

		cat3_6:
		name: "cat3/a3s06"
		name: "cat3/a3s06.wav"
		description: "Small anechoic room with MS microphone pickup, no overlap between the talkers."
		source: ["m1s06.wav", "f1s06.wav"]
		IR: ["stereo/IR_g_p01_a_07_00_stMS100.wav", "stereo/IR_g_p01_a_02_00_stMS100.wav"]
		IR: ["IR_g_p01_a_07_00_stMS100.wav", "IR_g_p01_a_02_00_stMS100.wav"]
		overlap: -1.0

		cat4_1:
		name: "cat4/a4s01"
		name: "cat4/a4s01.wav"
		description: "Small echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m1s07.wav", "f1s07.wav"]
		IR: ["stereo/IR_g_p01_b_01_00_stAB100.wav", "stereo/IR_g_p01_b_07_00_stAB100.wav"]
		IR: ["IR_g_p01_b_01_00_stAB100.wav", "IR_g_p01_b_07_00_stAB100.wav"]
		overlap: 1.0

		cat4_2:
		name: "cat4/a4s02"
		name: "cat4/a4s02.wav"
		description: "Small echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f2s07.wav", "m2s07.wav"]
		IR: ["stereo/IR_g_p01_b_07_00_stAB100.wav", "stereo/IR_g_p01_b_03_00_stAB100.wav"]
		IR: ["IR_g_p01_b_07_00_stAB100.wav", "IR_g_p01_b_03_00_stAB100.wav"]
		overlap: 1.0

		cat4_3:
		name: "cat4/a4s03"
		name: "cat4/a4s03.wav"
		description: "Small echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m3s07.wav", "f3s07.wav"]
		IR: ["stereo/IR_g_p01_b_02_00_stAB100.wav", "stereo/IR_g_p01_b_06_00_stAB100.wav"]
		IR: ["IR_g_p01_b_02_00_stAB100.wav", "IR_g_p01_b_06_00_stAB100.wav"]
		overlap: 1.0

		cat4_4:
		name: "cat4/a4s04"
		name: "cat4/a4s04.wav"
		description: "Small echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f1s08.wav", "m1s08.wav"]
		IR: ["stereo/IR_g_p01_b_04_00_stAB100.wav", "stereo/IR_g_p01_b_01_00_stAB100.wav"]
		IR: ["IR_g_p01_b_04_00_stAB100.wav", "IR_g_p01_b_01_00_stAB100.wav"]
		overlap: 1.0

		cat4_5:
		name: "cat4/a4s05"
		name: "cat4/a4s05.wav"
		description: "Small echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m2s08.wav", "f2s08.wav"]
		IR: ["stereo/IR_g_p01_b_03_00_stAB100.wav", "stereo/IR_g_p01_b_04_00_stAB100.wav"]
		IR: ["IR_g_p01_b_03_00_stAB100.wav", "IR_g_p01_b_04_00_stAB100.wav"]
		overlap: 1.0

		cat4_6:
		name: "cat4/a4s06"
		name: "cat4/a4s06.wav"
		description: "Small echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f3s08.wav", "m3s08.wav"]
		IR: ["stereo/IR_g_p01_b_07_00_stAB100.wav", "stereo/IR_g_p01_b_02_00_stAB100.wav"]
		IR: ["IR_g_p01_b_07_00_stAB100.wav", "IR_g_p01_b_02_00_stAB100.wav"]
		overlap: 1.0

		cat5_1:
		name: "cat5/a5s01"
		name: "cat5/a5s01.wav"
		description: "Large echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f3s09.wav", "m3s09.wav"]
		IR: ["stereo/IR_g_p01_d_02_00_stAB150.wav", "stereo/IR_g_p01_d_08_00_stAB150.wav"]
		IR: ["IR_g_p01_d_02_00_stAB150.wav", "IR_g_p01_d_08_00_stAB150.wav"]
		overlap: 1.0

		cat5_2:
		name: "cat5/a5s02"
		name: "cat5/a5s02.wav"
		description: "Large echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m1s09.wav", "f1s09.wav"]
		IR: ["stereo/IR_g_p01_d_09_00_stAB150.wav", "stereo/IR_g_p01_d_04_00_stAB150.wav"]
		IR: ["IR_g_p01_d_09_00_stAB150.wav", "IR_g_p01_d_04_00_stAB150.wav"]
		overlap: 1.0

		cat5_3:
		name: "cat5/a5s03"
		name: "cat5/a5s03.wav"
		description: "Large echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f2s09.wav", "m2s09.wav"]
		IR: ["stereo/IR_g_p01_d_06_00_stAB150.wav", "stereo/IR_g_p01_d_10_00_stAB150.wav"]
		IR: ["IR_g_p01_d_06_00_stAB150.wav", "IR_g_p01_d_10_00_stAB150.wav"]
		overlap: 1.0

		cat5_4:
		name: "cat5/a5s04"
		name: "cat5/a5s04.wav"
		description: "Large echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m3s10.wav", "f3s10.wav"]
		IR: ["stereo/IR_g_p01_d_11_00_stAB150.wav", "stereo/IR_g_p01_d_08_00_stAB150.wav"]
		IR: ["IR_g_p01_d_11_00_stAB150.wav", "IR_g_p01_d_08_00_stAB150.wav"]
		overlap: 1.0

		cat5_5:
		name: "cat5/a5s05"
		name: "cat5/a5s05.wav"
		description: "Large echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["f1s10.wav", "m1s10.wav"]
		IR: ["stereo/IR_g_p01_d_10_00_stAB150.wav", "stereo/IR_g_p01_d_12_00_stAB150.wav"]
		IR: ["IR_g_p01_d_10_00_stAB150.wav", "IR_g_p01_d_12_00_stAB150.wav"]
		overlap: 1.0

		cat5_6:
		name: "cat5/a5s06"
		name: "cat5/a5s06.wav"
		description: "Large echoic room with AB microphone pickup, partial overlap between the talkers."
		source: ["m2s10.wav", "f2s10.wav"]
		IR: ["stereo/IR_g_p01_d_12_00_stAB150.wav", "stereo/IR_g_p01_d_01_00_stAB150.wav"]
		IR: ["IR_g_p01_d_12_00_stAB150.wav", "IR_g_p01_d_01_00_stAB150.wav"]
		overlap: 1.0

		cat6_1:
		name: "cat6/a6s01"
		name: "cat6/a6s01.wav"
		description: "Small echoic room with binaural microphone pickup, no overlap between the talkers."
		source: ["m2s11.wav", "f2s11.wav"]
		IR: ["stereo/IR_g_p01_b_01_00_stAB100.wav", "stereo/IR_g_p01_b_07_00_stAB100.wav"]
		IR: ["IR_g_p01_b_01_00_stBI100.wav", "IR_g_p01_b_07_00_stBI100.wav"]
		overlap: -1.0

		cat6_2:
		name: "cat6/a6s02"
		name: "cat6/a6s02.wav"
		description: "Small echoic room with binaural microphone pickup, no overlap between the talkers."
		source: ["f3s11.wav", "m3s11.wav"]
		IR: ["stereo/IR_g_p01_b_05_00_stAB100.wav", "stereo/IR_g_p01_b_03_00_stAB100.wav"]
		IR: ["IR_g_p01_b_05_00_stBI100.wav", "IR_g_p01_b_03_00_stBI100.wav"]
		overlap: -1.0

		cat6_3:
		name: "cat6/a6s03"
		name: "cat6/a6s03.wav"
		description: "Small echoic room with binaural microphone pickup, no overlap between the talkers."
		source: ["m1s11.wav", "f1s11.wav"]
		IR: ["stereo/IR_g_p01_b_02_00_stAB100.wav", "stereo/IR_g_p01_b_06_00_stAB100.wav"]
		IR: ["IR_g_p01_b_02_00_stBI100.wav", "IR_g_p01_b_06_00_stBI100.wav"]
		overlap: -1.0

		cat6_4:
		name: "cat6/a6s04"
		name: "cat6/a6s04.wav"
		description: "Small echoic room with binaural microphone pickup, no overlap between the talkers."
		source: ["f2s12.wav", "m2s12.wav"]
		IR: ["stereo/IR_g_p01_b_04_00_stAB100.wav", "stereo/IR_g_p01_b_01_00_stAB100.wav"]
		IR: ["IR_g_p01_b_04_00_stBI100.wav", "IR_g_p01_b_01_00_stBI100.wav"]
		overlap: -1.0

		cat6_5:
		name: "cat6/a6s05"
		name: "cat6/a6s05.wav"
		description: "Small echoic room with binaural microphone pickup, no overlap between the talkers."
		source: ["m3s12.wav", "f3s12.wav"]
		IR: ["stereo/IR_g_p01_b_03_00_stAB100.wav", "stereo/IR_g_p01_b_04_00_stAB100.wav"]
		IR: ["IR_g_p01_b_03_00_stBI100.wav", "IR_g_p01_b_04_00_stBI100.wav"]
		overlap: -1.0

		cat6_6:
		name: "cat6/a6s06"
		name: "cat6/a6s06.wav"
		description: "Small echoic room with binaural microphone pickup, no overlap between the talkers."
		source: ["f1s12.wav", "m1s12.wav"]
		IR: ["stereo/IR_g_p01_b_07_00_stAB100.wav", "stereo/IR_g_p01_b_02_00_stAB100.wav"]
		IR: ["IR_g_p01_b_07_00_stBI100.wav", "IR_g_p01_b_02_00_stBI100.wav"]
		overlap: -1.0

ivas_processing_scripts/generation/process_stereo_items.py

+74 −13

Original line number	Diff line number	Diff line
		@@ -29,10 +29,10 @@
		# accordance with the laws of the Federal Republic of Germany excluding its conflict of law rules and
		# the United Nations Convention on Contracts on the International Sales of Goods.
		#

		import pdb
		import logging
		import os
		from itertools import repeat
		from itertools import repeat, groupby
		from math import floor

		import numpy as np
		@@ -51,6 +51,25 @@ def csv_formatdata(data):
		for row in data:
		yield ["%0.2f" % v for v in row]

		# function for searching sequences of same the same character and replacing it by another string
		def replace_char_seq_with_string(str, char_seq, repl_str):
		result = []

		# find groups of consecutive letters
		groups = ["".join(list(g)) for k, g in groupby(str)]

		# limit the length of the replacement string by the length of the character sequence
		repl_str = repl_str[:len(char_seq)]

		# replace each occurence of the sequence of characters
		for g in groups:
		if char_seq in g:
		result.append(repl_str)
		else:
		result.append(g)

		return "".join(result)


		def generate_stereo_items(
		cfg: config.TestConfig,
		@@ -79,12 +98,54 @@ def generate_stereo_items(

		# set the IR path
		if "IR_path" not in cfg.__dict__:
		cfg.IR_path = os.path.join(os.path.dirname(__file__), "IR")
		cfg.IR_path = os.path.join(os.path.dirname(__file__), "IRs")

		# set the pre-amble and post-amble
		if "add_low_level_random_noise" not in cfg.__dict__:
		cfg.add_low_level_random_noise = False

		# set the listening lab designator
		if "listening_lab" not in cfg.__dict__:
		cfg.listening_lab = "l"

		# set the language designator
		if "language" not in cfg.__dict__:
		cfg.language = "EN"

		# set the experiment designator
		if "exp" not in cfg.__dict__:
		cfg.exp = "p01"

		# set the provider
		if "provider" not in cfg.__dict__:
		cfg.provider = "g"

		# set the prefix for all input filenames
		if "use_input_prefix" not in cfg.__dict__:
		cfg.use_input_prefix = ""
		else:
		# replace file designators
		cfg.use_input_prefix = replace_char_seq_with_string(cfg.use_input_prefix, "l", cfg.listening_lab )
		cfg.use_input_prefix = replace_char_seq_with_string(cfg.use_input_prefix, "LL", cfg.language )
		cfg.use_input_prefix = replace_char_seq_with_string(cfg.use_input_prefix, "eee", cfg.exp )

		# set the prefix for all IR filenames
		if "use_IR_prefix" not in cfg.__dict__:
		cfg.use_IR_prefix = ""
		else:
		# replace file designators
		cfg.use_IR_prefix = replace_char_seq_with_string(cfg.use_IR_prefix, "p", cfg.provider )
		cfg.use_IR_prefix = replace_char_seq_with_string(cfg.use_IR_prefix, "LL", cfg.language )
		cfg.use_IR_prefix = replace_char_seq_with_string(cfg.use_IR_prefix, "eee", cfg.exp )

		# set the prefix for all output filenames
		if "use_output_prefix" not in cfg.__dict__:
		cfg.use_output_prefix = None
		else:
		# replace file designators
		cfg.use_output_prefix = replace_char_seq_with_string(cfg.use_output_prefix, "l", cfg.listening_lab )
		cfg.use_output_prefix = replace_char_seq_with_string(cfg.use_output_prefix, "eee", cfg.exp )

		# set multiprocessing
		if "multiprocessing" not in cfg.__dict__:
		cfg.multiprocessing = True
		@@ -108,8 +169,8 @@ def generate_stereo_scene(
		# extract the number of audio sources
		N_sources = len(np.atleast_1d(scene["source"]))

		# read the IR (check if stereo or two mono files were provided)
		source_IR = np.atleast_1d(scene["IR"])
		# read the IR source file (check if stereo or two mono files were provided)
		# source_IR = np.atleast_1d(scene["IR"])

		# read the overlap length
		if "overlap" in scene.keys():
		@@ -119,18 +180,18 @@ def generate_stereo_scene(

		y = audio.ChannelBasedAudio("STEREO")
		for i in range(N_sources):
		source_prefix = cfg.listening_lab + cfg.language + cfg.exp

		# parse parameters from the scene description
		source_file = source_prefix + np.atleast_1d(scene["source"])[i]
		source_file = np.atleast_1d(scene["source"])[i]
		IR_file = np.atleast_1d(scene["IR"])[i]

		logger.info(f"Convolving {source_file} with {source_IR}")
		logger.info(f"Convolving {source_file} with {IR_file}")

		# read source file
		x = audio.fromfile("MONO", os.path.join(cfg.input_path, source_file), fs=cfg.fs)
		x = audio.fromfile("MONO", os.path.join(cfg.input_path, os.path.dirname(source_file), cfg.use_input_prefix + os.path.basename(source_file)), fs=cfg.fs)

		# read the IR file
		IR = audio.fromfile("STEREO", os.path.join(cfg.IR_path, IR_file), fs=cfg.IR_fs)
		IR = audio.fromfile("STEREO", os.path.join(cfg.IR_path, os.path.dirname(IR_file), cfg.use_IR_prefix + os.path.basename(IR_file)), fs=cfg.IR_fs)

		# convolve with stereo IR
		x = reverb_stereo(x, IR)
		@@ -221,9 +282,9 @@ def generate_stereo_scene(
		y.audio += noise

		# write the reverberated audio into output file
		output_filename = cfg.listening_lab + cfg.exp + scene["name"] + ".wav"
		# output_filename = cfg.listening_lab + cfg.exp + scene["name"] + ".wav"
		audiofile.write(
		os.path.join(cfg.output_path, scene_name.split("_")[0], output_filename),
		os.path.join(cfg.output_path, os.path.dirname(scene["name"]), cfg.use_output_prefix + os.path.basename(scene["name"])),
		y.audio,
		y.fs,
		) # !!!! TBD: replace all os.path.xxx operations with the Path object
		)