def __init__(
self,
sounds_path=None,
min_snr_in_db=3,
max_snr_in_db=30,
p=0.5,
lru_cache_size=2,
):
"""
:param sounds_path: Path to a folder that contains sound files to randomly mix in. These
files can be flac, mp3, ogg or wav.
:param min_snr_in_db: Minimum signal-to-noise ratio in dB
:param max_snr_in_db: Maximum signal-to-noise ratio in dB
:param p:
:param lru_cache_size: Maximum size of the LRU cache for storing noise files in memory
"""
super().__init__(p)
self.sound_file_paths = get_file_paths(sounds_path)
self.sound_file_paths = [str(p) for p in self.sound_file_paths]
assert len(self.sound_file_paths) > 0
self.min_snr_in_db = min_snr_in_db
self.max_snr_in_db = max_snr_in_db
self._load_sound = functools.lru_cache(maxsize=lru_cache_size)(
AddBackgroundNoise._load_sound
)
def __init__(
self,
ir_path="/tmp/ir",
p=0.5,
lru_cache_size=128,
leave_length_unchanged: bool = False,
):
"""
:param ir_path: Path to a folder that contains one or more wav files of impulse
responses. Must be str or a Path instance.
:param p:
:param lru_cache_size: Maximum size of the LRU cache for storing impulse response files
in memory.
:param leave_length_unchanged: When set to True, the tail of the sound (e.g. reverb at
the end) will be chopped off so that the length of the output is equal to the
length of the input.
"""
super().__init__(p)
self.ir_files = get_file_paths(ir_path)
self.ir_files = [str(p) for p in self.ir_files]
assert len(self.ir_files) > 0
self.__load_ir = functools.lru_cache(maxsize=lru_cache_size)(
AddImpulseResponse.__load_ir
)
self.leave_length_unchanged = leave_length_unchanged
def test_get_file_paths_uppercase_extension(self):
file_paths = get_file_paths(DEMO_DIR, traverse_subdirectories=False)
found_it = False
for file_path in file_paths:
if file_path.name == "stereo_24bit.WAV":
found_it = True
break
self.assertTrue(found_it)
def __init__(self, ir_path="/tmp/ir", p=0.5):
"""
:param ir_path: Path to a folder that contains one or more wav files of impulse
responses. Must be str or a Path instance.
:param p:
"""
super().__init__(p)
self.ir_files = get_file_paths(ir_path)
self.ir_files = [str(p) for p in self.ir_files]
assert len(self.ir_files) > 0
def __init__(self, ir_path="/tmp/ir", p=0.5, lru_cache_size=128):
"""
:param ir_path: Path to a folder that contains one or more wav files of impulse
responses. Must be str or a Path instance.
:param p:
:param lru_cache_size: Maximum size of the LRU cache for storing impuls files
in memory.
"""
super().__init__(p)
self.ir_files = get_file_paths(ir_path)
self.ir_files = [str(p) for p in self.ir_files]
assert len(self.ir_files) > 0
self.__load_ir = functools.lru_cache(
maxsize=lru_cache_size)(AddImpulseResponse.__load_ir)
def __init__(self, sounds_path=None, min_snr_in_db=3, max_snr_in_db=30, p=0.5):
"""
:param sounds_path: Path to a folder that contains sound files to randomly mix in. These
files can be flac, mp3, ogg or wav.
:param min_snr_in_db: Minimum signal-to-noise ratio in dB
:param max_snr_in_db: Maximum signal-to-noise ratio in dB
:param p:
"""
super().__init__(p)
self.sound_file_paths = get_file_paths(sounds_path)
self.sound_file_paths = [str(p) for p in self.sound_file_paths]
assert len(self.sound_file_paths) > 0
self.min_snr_in_db = min_snr_in_db
self.max_snr_in_db = max_snr_in_db
def __init__(
self,
sounds_path=None,
min_snr_in_db=0,
max_snr_in_db=24,
min_time_between_sounds=4.0,
max_time_between_sounds=16.0,
burst_probability=0.22,
min_pause_factor_during_burst=0.1,
max_pause_factor_during_burst=1.1,
min_fade_in_time=0.005,
max_fade_in_time=0.08,
min_fade_out_time=0.01,
max_fade_out_time=0.1,
p=0.5,
):
"""
:param sounds_path: Path to a folder that contains sound files to randomly mix in. These
files can be flac, mp3, ogg or wav.
:param min_snr_in_db: Minimum signal-to-noise ratio in dB. A lower value means the added
sounds/noises will be louder.
:param max_snr_in_db: Maximum signal-to-noise ratio in dB. A lower value means the added
sounds/noises will be louder.
:param min_time_between_sounds: Minimum pause time between the added sounds/noises
:param max_time_between_sounds: Maximum pause time between the added sounds/noises
:param burst_probability: The probability of adding an extra sound/noise that overlaps
:param min_pause_factor_during_burst: Min value of how far into the current sound (as
fraction) the burst sound should start playing. The value must be greater than 0.
:param max_pause_factor_during_burst: Max value of how far into the current sound (as
fraction) the burst sound should start playing. The value must be greater than 0.
:param min_fade_in_time: Min sound/noise fade in time in seconds. Use a value larger
than 0 to avoid a "click" at the start of the sound/noise.
:param max_fade_in_time: Min sound/noise fade out time in seconds. Use a value larger
than 0 to avoid a "click" at the start of the sound/noise.
:param min_fade_out_time: Min sound/noise fade out time in seconds. Use a value larger
than 0 to avoid a "click" at the end of the sound/noise.
:param max_fade_out_time: Max sound/noise fade out time in seconds. Use a value larger
than 0 to avoid a "click" at the end of the sound/noise.
:param p: The probability of applying this transform
"""
super().__init__(p)
self.sound_file_paths = get_file_paths(sounds_path)
self.sound_file_paths = [str(p) for p in self.sound_file_paths]
assert len(self.sound_file_paths) > 0
assert min_snr_in_db <= max_snr_in_db
assert min_time_between_sounds <= max_time_between_sounds
assert 0.0 < burst_probability <= 1.0
if burst_probability == 1.0:
assert (min_pause_factor_during_burst > 0.0
) # or else an infinite loop will occur
assert 0.0 < min_pause_factor_during_burst <= 1.0
assert max_pause_factor_during_burst > 0.0
assert max_pause_factor_during_burst >= min_pause_factor_during_burst
assert min_fade_in_time >= 0.0
assert max_fade_in_time >= 0.0
assert min_fade_in_time <= max_fade_in_time
assert min_fade_out_time >= 0.0
assert max_fade_out_time >= 0.0
assert min_fade_out_time <= max_fade_out_time
self.min_snr_in_db = min_snr_in_db
self.max_snr_in_db = max_snr_in_db
self.min_time_between_sounds = min_time_between_sounds
self.max_time_between_sounds = max_time_between_sounds
self.burst_probability = burst_probability
self.min_pause_factor_during_burst = min_pause_factor_during_burst
self.max_pause_factor_during_burst = max_pause_factor_during_burst
self.min_fade_in_time = min_fade_in_time
self.max_fade_in_time = max_fade_in_time
self.min_fade_out_time = min_fade_out_time
self.max_fade_out_time = max_fade_out_time
