Loading README.md +1 −1 Original line number Diff line number Diff line Loading @@ -513,7 +513,7 @@ The following additional executables are needed for the different processing ste | Processing step | Executable | Where to find | |-------------------------------------------------|-----------------------|-------------------------------------------------------------------------------------------------------------| | Loudness measurement and adjustment | bs1770demo | https://github.com/openitu/STL | | Loudness measurement and adjustment | bs1770demo | https://github.com/ErikNorvell-Ericsson/STL (Note branch) | | MNRU | p50fbmnru | https://github.com/openitu/STL | | ESDRU | esdru | https://github.com/openitu/STL | | Frame error pattern application | eid-xor | https://github.com/openitu/STL | Loading ivas_processing_scripts/__init__.py +1 −1 Original line number Diff line number Diff line Loading @@ -70,7 +70,7 @@ def logging_init(args, cfg): cfg.output_path.joinpath(f"{cfg.name}{LOGGER_SUFFIX}"), mode="w" ) file_handler.setFormatter(logging.Formatter(LOGGER_FORMAT, datefmt=LOGGER_DATEFMT)) file_handler.setLevel(logging.DEBUG if args.debug else logging.INFO) file_handler.setLevel(logging.DEBUG) logger.addHandler(file_handler) logger.info(f"Processing test configuration file {args.config}") Loading ivas_processing_scripts/audiotools/convert/__init__.py +1 −1 Original line number Diff line number Diff line Loading @@ -253,7 +253,7 @@ def process_audio( logger.debug( f"Applying loudness adjustment to {loudness} LKFS for format {loudness_fmt} using ITU STL bs1770demo" ) x.audio = loudness_norm(x, loudness, loudness_fmt) x.audio = loudness_norm(x, loudness, loudness_fmt, logger=logger) """low-pass filtering""" if fc is not None: Loading ivas_processing_scripts/audiotools/wrappers/bs1770.py +67 −38 Original line number Diff line number Diff line Loading @@ -47,9 +47,6 @@ from ivas_processing_scripts.audiotools.wrappers.filter import resample_itu from ivas_processing_scripts.constants import DEFAULT_CONFIG_BINARIES from ivas_processing_scripts.utils import find_binary, get_devnull, run logger = logging.getLogger("__main__") logger.setLevel(logging.DEBUG) def bs1770demo( input: audio.Audio, Loading @@ -65,6 +62,8 @@ def bs1770demo( Input audio target_loudness: Optional[float] Desired loudness in LKFS rms: Optional[bool] Flag for using rms argument in bs1770demo tool (for low level signals) Returns ------- Loading @@ -85,8 +84,6 @@ def bs1770demo( binary = find_binary("bs1770demo") # checking if the new binary (with '-rms') is used with TemporaryDirectory() as tmp_dir_test: tmp_dir_test = Path(tmp_dir_test) result = sp.run(str(binary), shell=True, stdout=sp.PIPE, stderr=sp.PIPE) result_stdout = result.stdout.decode("utf-8") if "-rms" not in result_stdout: Loading Loading @@ -146,8 +143,9 @@ def bs1770demo( # using rms if true if rms: cmd.insert(1, "-rms") # run command result = run(cmd, logger=logger) result = run(cmd) # parse output # we are looking for the (floating-point) number after the search string - '( )' around the number denotes the first group Loading @@ -174,10 +172,12 @@ def get_loudness( ---------- input : Audio Input audio target_loudness: float target_loudness: Optional[float] Desired loudness in LKFS loudness_format: str loudness_format: Optional[str] Loudness format to render to for loudness computation (default input format if possible) rms: Optional[bool] Flag for using rms argument in bs1770demo tool (for low level signals) Returns ------- Loading Loading @@ -212,10 +212,7 @@ def get_loudness( convert.format_conversion(input, tmp) else: tmp.audio = input.audio if rms: return bs1770demo(tmp, target_loudness, rms=True) else: return bs1770demo(tmp, target_loudness) return bs1770demo(tmp, target_loudness, rms) def loudness_norm( Loading @@ -223,6 +220,8 @@ def loudness_norm( target_loudness: Optional[float] = -26, loudness_format: Optional[str] = None, rms: Optional[bool] = False, logger: Optional[logging.Logger] = None, file_name_logging: Optional[Union[str, Path]] = None, ) -> np.ndarray: """ Iterative loudness normalization using ITU-R BS.1770-4 Loading @@ -237,6 +236,12 @@ def loudness_norm( Desired loudness level in LKFS loudness_format: Optional[str] Loudness format to render to for loudness computation (default input format) rms: Optional[bool] Flag for using rms argument in bs1770demo tool (for low level signals) logger: Optional[logging.Logger] Logger to log loudness information file_name_logging: Optional[Union[str, Path]] Name of processed file for logging information Returns ------- Loading @@ -244,42 +249,56 @@ def loudness_norm( Normalized audio """ # repeat until convergence of loudness measured_loudness = np.inf scale_factor = 1 num_iter = 1 scaled_input = copy.deepcopy(input) while np.abs(measured_loudness - target_loudness) > 0.5 and num_iter < 10: measured_loudness, scale_factor_new = get_loudness( input, target_loudness, loudness_format, rms=rms, # save loudness before and after scaling for the logger info loudness_before, scale_factor_new = get_loudness( scaled_input, target_loudness, loudness_format, rms ) # repeat until convergence of loudness while np.abs(measured_loudness - target_loudness) > 0.5 and num_iter < 10: # scale input input.audio *= scale_factor_new scaled_input.audio *= scale_factor_new # update scale factor scale_factor *= scale_factor_new # measure loudness and get scaling factor measured_loudness, scale_factor_new = get_loudness( scaled_input, target_loudness, loudness_format, rms ) num_iter += 1 loudness_after = measured_loudness # log loudness before and after adjustment if logger: if file_name_logging: logger.debug( f"File {file_name_logging} loudness; before: {loudness_before}, after: {loudness_after}" ) else: logger.debug( f"Loudness; before: {loudness_before}, after: {loudness_after}" ) if num_iter >= 10: warn( f"Loudness did not converge to desired value, stopping at: {measured_loudness:.2f}" f"Loudness did not converge to desired value, stopping at: {loudness_after:.2f}" ) return input.audio return scaled_input.audio def scale_files( file_list: list[list[Union[Path, str]]], fmt: str, loudness: float, loudness_format: Optional[str] = None, fs: Optional[int] = 48000, in_meta: Optional[list] = None, rms: Optional[bool] = False, logger: Optional[logging.Logger] = None, ) -> None: """ Scales audio files to desired loudness Loading @@ -292,15 +311,22 @@ def scale_files( Audio format of files in list loudness: float Desired loudness level in LKFS/dBov loudness_format: Optional[str] Format for loudness measurement fs: Optional[int] Sampling rate in_meta: Optional[list] Metadata for ISM with same structure as file_list but one layer more for the list of metadata for one file logger: Optional[logging.Logger] Logger to log loudness information """ if fmt.startswith("ISM") and in_meta: if fmt.startswith("ISM"): if in_meta: meta_bool = True else: raise ValueError("No metadata available for loudness measurement") else: in_meta = copy.copy(file_list) meta_bool = False Loading @@ -314,10 +340,13 @@ def scale_files( audio_obj = audio.fromfile(fmt, file, fs) # adjust loudness if rms: scaled_audio = loudness_norm(audio_obj, loudness, rms=True) else: scaled_audio = loudness_norm(audio_obj, loudness) scaled_audio = loudness_norm( audio_obj, loudness, loudness_format, logger=logger, file_name_logging=file, ) # write into file write(file, scaled_audio, audio_obj.fs) ivas_processing_scripts/bin/README.md +2 −2 Original line number Diff line number Diff line Loading @@ -3,7 +3,7 @@ Necessary additional executables: | Processing step | Executable | Where to find | |-------------------------------------------------|-----------------------|-------------------------------------------------------------------------------------------------------------| | Loudness measurement and adjustment | bs1770demo | https://github.com/openitu/STL | | Loudness measurement and adjustment | bs1770demo | https://github.com/ErikNorvell-Ericsson/STL (Note branch) | | MNRU | p50fbmnru | https://github.com/openitu/STL | | ESDRU | esdru | https://github.com/openitu/STL | | Frame error pattern application | eid-xor | https://github.com/openitu/STL | Loading Loading
README.md +1 −1 Original line number Diff line number Diff line Loading @@ -513,7 +513,7 @@ The following additional executables are needed for the different processing ste | Processing step | Executable | Where to find | |-------------------------------------------------|-----------------------|-------------------------------------------------------------------------------------------------------------| | Loudness measurement and adjustment | bs1770demo | https://github.com/openitu/STL | | Loudness measurement and adjustment | bs1770demo | https://github.com/ErikNorvell-Ericsson/STL (Note branch) | | MNRU | p50fbmnru | https://github.com/openitu/STL | | ESDRU | esdru | https://github.com/openitu/STL | | Frame error pattern application | eid-xor | https://github.com/openitu/STL | Loading
ivas_processing_scripts/__init__.py +1 −1 Original line number Diff line number Diff line Loading @@ -70,7 +70,7 @@ def logging_init(args, cfg): cfg.output_path.joinpath(f"{cfg.name}{LOGGER_SUFFIX}"), mode="w" ) file_handler.setFormatter(logging.Formatter(LOGGER_FORMAT, datefmt=LOGGER_DATEFMT)) file_handler.setLevel(logging.DEBUG if args.debug else logging.INFO) file_handler.setLevel(logging.DEBUG) logger.addHandler(file_handler) logger.info(f"Processing test configuration file {args.config}") Loading
ivas_processing_scripts/audiotools/convert/__init__.py +1 −1 Original line number Diff line number Diff line Loading @@ -253,7 +253,7 @@ def process_audio( logger.debug( f"Applying loudness adjustment to {loudness} LKFS for format {loudness_fmt} using ITU STL bs1770demo" ) x.audio = loudness_norm(x, loudness, loudness_fmt) x.audio = loudness_norm(x, loudness, loudness_fmt, logger=logger) """low-pass filtering""" if fc is not None: Loading
ivas_processing_scripts/audiotools/wrappers/bs1770.py +67 −38 Original line number Diff line number Diff line Loading @@ -47,9 +47,6 @@ from ivas_processing_scripts.audiotools.wrappers.filter import resample_itu from ivas_processing_scripts.constants import DEFAULT_CONFIG_BINARIES from ivas_processing_scripts.utils import find_binary, get_devnull, run logger = logging.getLogger("__main__") logger.setLevel(logging.DEBUG) def bs1770demo( input: audio.Audio, Loading @@ -65,6 +62,8 @@ def bs1770demo( Input audio target_loudness: Optional[float] Desired loudness in LKFS rms: Optional[bool] Flag for using rms argument in bs1770demo tool (for low level signals) Returns ------- Loading @@ -85,8 +84,6 @@ def bs1770demo( binary = find_binary("bs1770demo") # checking if the new binary (with '-rms') is used with TemporaryDirectory() as tmp_dir_test: tmp_dir_test = Path(tmp_dir_test) result = sp.run(str(binary), shell=True, stdout=sp.PIPE, stderr=sp.PIPE) result_stdout = result.stdout.decode("utf-8") if "-rms" not in result_stdout: Loading Loading @@ -146,8 +143,9 @@ def bs1770demo( # using rms if true if rms: cmd.insert(1, "-rms") # run command result = run(cmd, logger=logger) result = run(cmd) # parse output # we are looking for the (floating-point) number after the search string - '( )' around the number denotes the first group Loading @@ -174,10 +172,12 @@ def get_loudness( ---------- input : Audio Input audio target_loudness: float target_loudness: Optional[float] Desired loudness in LKFS loudness_format: str loudness_format: Optional[str] Loudness format to render to for loudness computation (default input format if possible) rms: Optional[bool] Flag for using rms argument in bs1770demo tool (for low level signals) Returns ------- Loading Loading @@ -212,10 +212,7 @@ def get_loudness( convert.format_conversion(input, tmp) else: tmp.audio = input.audio if rms: return bs1770demo(tmp, target_loudness, rms=True) else: return bs1770demo(tmp, target_loudness) return bs1770demo(tmp, target_loudness, rms) def loudness_norm( Loading @@ -223,6 +220,8 @@ def loudness_norm( target_loudness: Optional[float] = -26, loudness_format: Optional[str] = None, rms: Optional[bool] = False, logger: Optional[logging.Logger] = None, file_name_logging: Optional[Union[str, Path]] = None, ) -> np.ndarray: """ Iterative loudness normalization using ITU-R BS.1770-4 Loading @@ -237,6 +236,12 @@ def loudness_norm( Desired loudness level in LKFS loudness_format: Optional[str] Loudness format to render to for loudness computation (default input format) rms: Optional[bool] Flag for using rms argument in bs1770demo tool (for low level signals) logger: Optional[logging.Logger] Logger to log loudness information file_name_logging: Optional[Union[str, Path]] Name of processed file for logging information Returns ------- Loading @@ -244,42 +249,56 @@ def loudness_norm( Normalized audio """ # repeat until convergence of loudness measured_loudness = np.inf scale_factor = 1 num_iter = 1 scaled_input = copy.deepcopy(input) while np.abs(measured_loudness - target_loudness) > 0.5 and num_iter < 10: measured_loudness, scale_factor_new = get_loudness( input, target_loudness, loudness_format, rms=rms, # save loudness before and after scaling for the logger info loudness_before, scale_factor_new = get_loudness( scaled_input, target_loudness, loudness_format, rms ) # repeat until convergence of loudness while np.abs(measured_loudness - target_loudness) > 0.5 and num_iter < 10: # scale input input.audio *= scale_factor_new scaled_input.audio *= scale_factor_new # update scale factor scale_factor *= scale_factor_new # measure loudness and get scaling factor measured_loudness, scale_factor_new = get_loudness( scaled_input, target_loudness, loudness_format, rms ) num_iter += 1 loudness_after = measured_loudness # log loudness before and after adjustment if logger: if file_name_logging: logger.debug( f"File {file_name_logging} loudness; before: {loudness_before}, after: {loudness_after}" ) else: logger.debug( f"Loudness; before: {loudness_before}, after: {loudness_after}" ) if num_iter >= 10: warn( f"Loudness did not converge to desired value, stopping at: {measured_loudness:.2f}" f"Loudness did not converge to desired value, stopping at: {loudness_after:.2f}" ) return input.audio return scaled_input.audio def scale_files( file_list: list[list[Union[Path, str]]], fmt: str, loudness: float, loudness_format: Optional[str] = None, fs: Optional[int] = 48000, in_meta: Optional[list] = None, rms: Optional[bool] = False, logger: Optional[logging.Logger] = None, ) -> None: """ Scales audio files to desired loudness Loading @@ -292,15 +311,22 @@ def scale_files( Audio format of files in list loudness: float Desired loudness level in LKFS/dBov loudness_format: Optional[str] Format for loudness measurement fs: Optional[int] Sampling rate in_meta: Optional[list] Metadata for ISM with same structure as file_list but one layer more for the list of metadata for one file logger: Optional[logging.Logger] Logger to log loudness information """ if fmt.startswith("ISM") and in_meta: if fmt.startswith("ISM"): if in_meta: meta_bool = True else: raise ValueError("No metadata available for loudness measurement") else: in_meta = copy.copy(file_list) meta_bool = False Loading @@ -314,10 +340,13 @@ def scale_files( audio_obj = audio.fromfile(fmt, file, fs) # adjust loudness if rms: scaled_audio = loudness_norm(audio_obj, loudness, rms=True) else: scaled_audio = loudness_norm(audio_obj, loudness) scaled_audio = loudness_norm( audio_obj, loudness, loudness_format, logger=logger, file_name_logging=file, ) # write into file write(file, scaled_audio, audio_obj.fs)
ivas_processing_scripts/bin/README.md +2 −2 Original line number Diff line number Diff line Loading @@ -3,7 +3,7 @@ Necessary additional executables: | Processing step | Executable | Where to find | |-------------------------------------------------|-----------------------|-------------------------------------------------------------------------------------------------------------| | Loudness measurement and adjustment | bs1770demo | https://github.com/openitu/STL | | Loudness measurement and adjustment | bs1770demo | https://github.com/ErikNorvell-Ericsson/STL (Note branch) | | MNRU | p50fbmnru | https://github.com/openitu/STL | | ESDRU | esdru | https://github.com/openitu/STL | | Frame error pattern application | eid-xor | https://github.com/openitu/STL | Loading
