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tool.py
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import os.path
import sys
from datetime import datetime
from scipy.signal import butter, filtfilt
from textgrid import TextGrid
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
try:
# PyInstaller creates a temp folder and stores path in _MEIPASS
base_path = sys._MEIPASS
except Exception:
base_path = os.path.abspath(".")
return os.path.join(base_path, relative_path)
def get_current_time():
# 获取当前时间
now = datetime.now()
# 格式化时间字符串
formatted_time = now.strftime("%H:%M:%S.%f")[:-3] # 去掉微秒部分的最后3个字符
return formatted_time
def bandpass_filter(data, lowcut, highcut, fs, order=4):
nyquist = 0.5 * fs
low = lowcut / nyquist
high = highcut / nyquist
try:
b, a = butter(order, [low, high], btype='bandpass', output="ba")
filtered_data = filtfilt(b, a, data)
except ValueError: # 如果设置的最高频率大于了可接受的范围，则变为（实际意义上的）高通滤波
b, a = butter(order, [low, 1], btype='bandpass', output="ba")
filtered_data = filtfilt(b, a, data)
return filtered_data
def lowpass_filter(data, highcut, fs, order=4):
nyquist = 0.5 * fs
high = highcut / nyquist
b, a = butter(order, high, btype='low', output="ba")
filtered_data = filtfilt(b, a, data)
return filtered_data
def isAudioFile(fpath):
# 所有的音频后缀
audio_extensions = [
'.mp3', # MPEG Audio Layer-3
'.wav', # Waveform Audio File Format
".WAV",
'.ogg', # Ogg
'.flac', # Free Lossless Audio Codec
'.aac', # Advanced Audio Codec
'.m4a', # MPEG-4 Audio Layer
'.alac', # Apple Lossless Audio Codec
'.aiff', # Audio Interchange File Format
'.au', # Sun/NeXT Audio File Format
'.aup', # Audio Unix/NeXT
'.ra', # RealAudio
'.ram', # RealAudio Metafile
'.rv64', # Raw 64-bit float (AIFF/AIFF-C)
'.spx', # Ogg Speex
'.voc', # Creative Voice
'.webm', # WebM (audio part)
'.wma', # Windows Media Audio
'.xm', # FastTracker 2 audio module
'.it', # Impulse Tracker audio module
'.mod', # Amiga module (MOD)
'.s3m', # Scream Tracker 3 audio module
'.mtm', # MultiTracker audio module
'.umx', # FastTracker 2 extended module
'.dxm', # Digital Tracker (DTMF) audio module
'.f4a', # FAudio (FMOD audio format)
'.opus', # Opus Interactive Audio Codec
]
if any(fpath.endswith(ext) for ext in audio_extensions):
return True
else:
return False
def get_frm_points_from_textgrid(file_path):
if not os.path.exists(file_path):
return None
tg = TextGrid(file_path)
tg.read(file_path)
dict_tg = {}
for tier in tg.tiers:
dict_tg[tier.name] = [p.time for p in tier]
return dict_tg
def get_frm_points_from_01(file_path):
if not os.path.exists(file_path):
return None
tg = TextGrid(file_path)
tg.read(file_path)
dict_tg = {}
for tier in tg.tiers:
dict_tg["onset"] = [p.minTime for p in tier if p.mark == "1"]
dict_tg["offset"] = [p.maxTime for p in tier if p.mark == "1"]
return dict_tg
def get_interval(file_path):
tg = TextGrid(file_path)
tg.read(file_path)
tg_onsets = []
tg_offsets = []
for tier in tg.tiers:
if tier.name == "onset":
tg_onsets = [p.time * 1000 for p in tier]
else:
tg_offsets = [p.time * 1000 for p in tier]
return list(zip(tg_onsets, tg_offsets))
def get_time(file_path):
# 加载TextGrid文件
tg = TextGrid(file_path)
tg.read(file_path)
# 找到名为'onset'的PointTier
point_tier_onset = None
for tier in tg.tiers:
if tier.name == 'onset':
point_tier_onset = tier
break
# 如果找到了PointTier，获取第一个点的时间
if point_tier_onset:
return point_tier_onset.points[0].time
# print(f"The time of the first point in 'onset' tier is: {first_point_time}")
else:
return None