Merge branch 'main' of... (8ea37e6e) · Commits · IVAS Codec Public Collaboration / IVAS Processing Scripts

README.md

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		@@ -133,6 +133,8 @@ postprocessing:
		# delete_tmp: true
		### Master seed for random processes like bitstream error pattern generation; default = 0
		# master_seed: 5
		### Additional seed to specify number of preruns (used for background noise delay and FER bitstream processing); default = 0
		# prerun_seed: 2

		### Any relative paths will be interpreted relative to the working directory the script is called from!
		### Usage of absolute paths is recommended.
		@@ -241,8 +243,6 @@ input:
		# snr: 10
		### REQUIRED: Path to background noise, must have same format and sampling rate as input signal(s)
		# background_noise_path: ".../noise.wav"
		### Seed for delay offest; default = 0
		# seed_delay: 10
		```

		</details>
		@@ -275,8 +275,6 @@ input:
		# error_pattern: "path/pattern.192"
		### Error rate in percent
		# error_rate: 5
		### Additional seed to specify number of preruns; default = 0
		# prerun_seed: 2
		```
		</details>

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		@@ -16,6 +16,8 @@
		# delete_tmp: true
		### Master seed for random processes like bitstream error pattern generation; default = 0
		# master_seed: 5
		### Additional seed to specify number of preruns (used for background noise delay and FER bitstream processing); default = 0
		# prerun_seed: 2

		### Any relative paths will be interpreted relative to the working directory the script is called from!
		### Usage of absolute paths is recommended.
		@@ -108,8 +110,6 @@ input:
		# snr: 10
		### REQUIRED: Path to background noise, must have same format and sampling rate as input signal(s)
		# background_noise_path: ".../noise.wav"
		### Seed for delay offest; default = 0
		# seed_delay: 10

		#################################################
		### Bitstream processing
		@@ -136,8 +136,6 @@ input:
		# error_pattern: "path/pattern.192"
		### Error rate in percent
		# error_rate: 5
		### Additional seed to specify number of preruns; default = 0
		# prerun_seed: 2

		################################################
		### Configuration for conditions under test
		@@ -248,7 +246,7 @@ conditions_to_generate:
		# - 9600
		- [13200, 13200, 8000, 13200, 9600]
		### for multi-channel configs, code LFE with 9.6 kbps NB (as mandated by IVAS-3)
		evs_lfe_9k6bps_nb: true
		# evs_lfe_9k6bps_nb: true
		### Encoder options
		cod:
		### Path to encoder binary; default search for EVS_cod in bin folder (primary) and PATH (secondary)

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		@@ -214,6 +214,8 @@ def process_audio(

		"""delay audio"""
		if delay is not None:
		if isinstance(x, audio.ObjectBasedAudio):
		raise ValueError("Delay not possible for ISM input")
		if logger:
		logger.debug(f"Delaying audio by {delay} ms")
		x.audio = audioarray.delay(x.audio, x.fs, delay)

+8 −2

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		@@ -32,6 +32,7 @@

		import copy
		import logging
		import re
		from pathlib import Path
		from tempfile import TemporaryDirectory
		from typing import Optional, Tuple, Union
		@@ -131,8 +132,13 @@ def bs1770demo(
		result = run(cmd)

		# parse output
		measured_loudness = float(result.stdout.splitlines()[3].split(":")[1])
		scale_factor = float(result.stdout.splitlines()[-3].split(":")[1])
		# we are looking for the (floating-point) number after the search string - '( )' around the number denotes the first group
		measured_loudness = float(
		re.search(r"Input level:\s+([-+]?(?:\d\.\d+))", result.stdout).group(1)
		)
		scale_factor = float(
		re.search(r"Scaling factor:\s+([-+]?(?:\d\.\d+))", result.stdout).group(1)
		)

		return measured_loudness, scale_factor

+1 −0