



"""simple docstring"""





from math import cos, sin, sqrt, tau

from audio_filters.iir_filter import IIRFilter
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )     ):


						'''simple docstring'''






						snake_case_ :			Dict            =      tau * frequency / samplerate
						snake_case_ :			List[Any]            =      sin(__UpperCamelCase     )
						snake_case_ :			List[str]            =      cos(__UpperCamelCase     )
						snake_case_ :			List[Any]            =      _sin / (2 * q_factor)

						snake_case_ :			List[Any]            =      (1 - _cos) / 2
						snake_case_ :			Any            =      1 - _cos

						snake_case_ :			Union[str, Any]            =      1 + alpha
						snake_case_ :			Tuple            =      -2 * _cos
						snake_case_ :			str            =      1 - alpha

						snake_case_ :			int            =      IIRFilter(2     )
						filt.set_coefficients([aa, aa, aa]       ,			[ba, ba, ba]     )
						return filt
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )     ):


						'''simple docstring'''






						snake_case_ :			Optional[Any]            =      tau * frequency / samplerate
						snake_case_ :			Dict            =      sin(__UpperCamelCase     )
						snake_case_ :			Union[str, Any]            =      cos(__UpperCamelCase     )
						snake_case_ :			Optional[int]            =      _sin / (2 * q_factor)

						snake_case_ :			List[Any]            =      (1 + _cos) / 2
						snake_case_ :			Union[str, Any]            =      -1 - _cos

						snake_case_ :			Any            =      1 + alpha
						snake_case_ :			Any            =      -2 * _cos
						snake_case_ :			List[Any]            =      1 - alpha

						snake_case_ :			int            =      IIRFilter(2     )
						filt.set_coefficients([aa, aa, aa]       ,			[ba, ba, ba]     )
						return filt
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )     ):


						'''simple docstring'''






						snake_case_ :			Union[str, Any]            =      tau * frequency / samplerate
						snake_case_ :			Optional[int]            =      sin(__UpperCamelCase     )
						snake_case_ :			Dict            =      cos(__UpperCamelCase     )
						snake_case_ :			List[Any]            =      _sin / (2 * q_factor)

						snake_case_ :			str            =      _sin / 2
						snake_case_ :			Any            =      0
						snake_case_ :			List[Any]            =      -ba

						snake_case_ :			List[Any]            =      1 + alpha
						snake_case_ :			List[str]            =      -2 * _cos
						snake_case_ :			Optional[int]            =      1 - alpha

						snake_case_ :			List[str]            =      IIRFilter(2     )
						filt.set_coefficients([aa, aa, aa]       ,			[ba, ba, ba]     )
						return filt
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )     ):


						'''simple docstring'''






						snake_case_ :			Tuple            =      tau * frequency / samplerate
						snake_case_ :			Union[str, Any]            =      sin(__UpperCamelCase     )
						snake_case_ :			Union[str, Any]            =      cos(__UpperCamelCase     )
						snake_case_ :			List[str]            =      _sin / (2 * q_factor)

						snake_case_ :			str            =      1 - alpha
						snake_case_ :			Union[str, Any]            =      -2 * _cos
						snake_case_ :			int            =      1 + alpha

						snake_case_ :			Tuple            =      IIRFilter(2     )
						filt.set_coefficients([ba, ba, ba]       ,			[ba, ba, ba]     )
						return filt
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )       ,			):


						'''simple docstring'''






						snake_case_ :			str            =      tau * frequency / samplerate
						snake_case_ :			str            =      sin(__UpperCamelCase     )
						snake_case_ :			Union[str, Any]            =      cos(__UpperCamelCase     )
						snake_case_ :			List[str]            =      _sin / (2 * q_factor)
						snake_case_ :			Tuple            =      1_0 ** (gain_db / 4_0)

						snake_case_ :			List[Any]            =      1 + alpha * big_a
						snake_case_ :			Optional[int]            =      -2 * _cos
						snake_case_ :			Dict            =      1 - alpha * big_a
						snake_case_ :			List[Any]            =      1 + alpha / big_a
						snake_case_ :			Union[str, Any]            =      -2 * _cos
						snake_case_ :			Any            =      1 - alpha / big_a

						snake_case_ :			Dict            =      IIRFilter(2     )
						filt.set_coefficients([aa, aa, aa]       ,			[ba, ba, ba]     )
						return filt
def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )       ,			):


						'''simple docstring'''






						snake_case_ :			Optional[int]            =      tau * frequency / samplerate
						snake_case_ :			Optional[int]            =      sin(__UpperCamelCase     )
						snake_case_ :			List[str]            =      cos(__UpperCamelCase     )
						snake_case_ :			Optional[Any]            =      _sin / (2 * q_factor)
						snake_case_ :			Tuple            =      1_0 ** (gain_db / 4_0)
						snake_case_ :			Tuple            =      (big_a + 1) - (big_a - 1) * _cos
						snake_case_ :			Any            =      (big_a + 1) + (big_a - 1) * _cos
						snake_case_ :			List[str]            =      (big_a - 1) - (big_a + 1) * _cos
						snake_case_ :			List[Any]            =      (big_a - 1) + (big_a + 1) * _cos
						snake_case_ :			Optional[Any]            =      2 * sqrt(__UpperCamelCase     ) * alpha

						snake_case_ :			Optional[int]            =      big_a * (pmc + aaa)
						snake_case_ :			int            =      2 * big_a * mpc
						snake_case_ :			List[Any]            =      big_a * (pmc - aaa)
						snake_case_ :			Optional[Any]            =      ppmc + aaa
						snake_case_ :			List[Any]            =      -2 * pmpc
						snake_case_ :			Optional[Any]            =      ppmc - aaa

						snake_case_ :			Dict            =      IIRFilter(2     )
						filt.set_coefficients([aa, aa, aa]       ,			[ba, ba, ba]     )
						return filt






def 						__lowerCAmelCase    (		__UpperCamelCase   :      int       ,			__UpperCamelCase   :      int       ,			__UpperCamelCase   :      float       ,			__UpperCamelCase   :      float = 1 / sqrt(2     )       ,			):


						'''simple docstring'''






						snake_case_ :			List[str]            =      tau * frequency / samplerate
						snake_case_ :			List[str]            =      sin(__UpperCamelCase     )
						snake_case_ :			List[str]            =      cos(__UpperCamelCase     )
						snake_case_ :			Any            =      _sin / (2 * q_factor)
						snake_case_ :			Optional[int]            =      1_0 ** (gain_db / 4_0)
						snake_case_ :			Union[str, Any]            =      (big_a + 1) - (big_a - 1) * _cos
						snake_case_ :			Dict            =      (big_a + 1) + (big_a - 1) * _cos
						snake_case_ :			int            =      (big_a - 1) - (big_a + 1) * _cos
						snake_case_ :			Tuple            =      (big_a - 1) + (big_a + 1) * _cos
						snake_case_ :			str            =      2 * sqrt(__UpperCamelCase     ) * alpha

						snake_case_ :			str            =      big_a * (ppmc + aaa)
						snake_case_ :			List[Any]            =      -2 * big_a * pmpc
						snake_case_ :			Union[str, Any]            =      big_a * (ppmc - aaa)
						snake_case_ :			Any            =      pmc + aaa
						snake_case_ :			Dict            =      2 * mpc
						snake_case_ :			List[Any]            =      pmc - aaa

						snake_case_ :			int            =      IIRFilter(2     )
						filt.set_coefficients([aa, aa, aa]       ,			[ba, ba, ba]     )
						return filt



"""simple docstring"""


from typing import Callable, Optional

from .. import Features
from ..packaged_modules.generator.generator import Generator
from .abc import AbstractDatasetInputStream







class 					lowerCAmelCase_					(   _lowercase     ):



						'''simple docstring'''


						def __init__(			self  :   Any	,A_  :   Callable	,A_  :   Optional[Features] = None	,A_  :   str = None	,A_  :   bool = False	,A_  :   bool = False	,A_  :   Optional[dict] = None	,A_  :   Optional[int] = None	,**A_  :   int	,)  -> str:
							super().__init__(
							    features=A_	,cache_dir=A_	,keep_in_memory=A_	,streaming=A_	,num_proc=A_	,**A_	,)
							A     = Generator(
							    cache_dir=A_	,features=A_	,generator=A_	,gen_kwargs=A_	,**A_	,)




						def     _SCREAMING_SNAKE_CASE   (			self  :   Optional[int]   )  -> Optional[int]:
							# Build iterable dataset
							if self.streaming:
								A     = self.builder.as_streaming_dataset(split='train'   )
							# Build regular (map-style) dataset
							else:
								A     = None
								A     = None
								A     = None
								A     = None

								self.builder.download_and_prepare(
								    download_config=A_	,download_mode=A_	,verification_mode=A_	,base_path=A_	,num_proc=self.num_proc	,)
								A     = self.builder.as_dataset(
								    split='train'	,verification_mode=A_	,in_memory=self.keep_in_memory   )
							return dataset