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Speaker_Recognition.py
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Speaker_Recognition.py
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import os
import sys
import typing
import numpy as np
import PySide2
from PySide2.QtCore import *
from PySide2.QtGui import *
from PySide2.QtWidgets import *
from Audio import Audio
from Model import Model
from Profile import Profile
from UI import Ui_Form
class MyWidget(QWidget):
record_signal = Signal(int)
save_signal = Signal(str)
infer_signal = Signal(type(np.array))
recognize_signal = Signal(type(np.array))
enroll_signal = Signal(type(np.array), str)
delete_signal = Signal(str)
def __init__(self,
parent: typing.Optional[PySide2.QtWidgets.QWidget] = ...,
f: PySide2.QtCore.Qt.WindowFlags = ...) -> None:
super().__init__(parent, f)
self.setup_ui()
# stable indicates signal that always connect
self.setup_stable_signal()
# unstable indicates signal that will be disconnected
self.setup_unstable_signal()
# prevent disconnecting error
self.operate("connect")
self.normal()
def setup_ui(self):
self.ui = Ui_Form()
self.ui.setupUi(self)
self.recognize_text = self.ui.button_recognize.text()
self.enroll_text = self.ui.button_enroll.text()
self.delete_text = self.ui.button_delete.text()
self.auto_text = self.ui.button_auto.text()
self.cancel_text = "取消"
self.keyword = "你好,BIP"
self.ui.input_username.setPlaceholderText("在此输入用户名")
self.ui.display_debug.setPlaceholderText("调试信息,用户可忽略。")
self.ui.display_result.setPlaceholderText("在此显示识别结果。")
self.ui.display_result.document().setMaximumBlockCount(10)
self.delete_query = QMessageBox(self)
self.delete_query.setIcon(QMessageBox.Question)
self.delete_query.setInformativeText("是否删除该用户?")
self.delete_query.setStandardButtons(QMessageBox.Ok
| QMessageBox.Cancel)
self.delete_query.setDefaultButton(QMessageBox.Ok)
def setup_stable_signal(self):
self.vad_mode = 3
self.audio_dir = "Audio"
self.enroll_duration = 6
self.enr_rec_ratio = 3
self.recognize_duration = self.enroll_duration // self.enr_rec_ratio
modelname = "ECAPA_TDNN_GLOB_c512-ASTP-emb192-ArcMargin-LM"
for config in modelname.split('-'):
if "emb" in config:
self.embeding_size = int(config[3:])
self.model_path = os.path.join("Model", f"{modelname}.onnx")
self.profile_dir = os.path.join("Profile", f"{modelname}")
# ---- rate <= 0.001 -----
# thres = 0.17244 @ fnr = 0.0009573449633017764, fpr = 0.1182944335158701
# thres = 0.45377 @ fpr = 0.0009569886756339852, fnr = 0.13397510903095416
# ---- rate <= 0.0001 -----
# thres = 0.06691 @ fnr = 5.318583129454313e-05, fpr = 0.3009197724493593
# thres = 0.49913 @ fpr = 5.316603753524607e-05, fnr = 0.21981704074034678
# ---- rate <= 0 -----
# thres = 0.05753 @ fnr = 0.0, fpr = 0.32356850443936414
# thres = 0.53752 @ fpr = 0.0, fnr = 0.3117753430486119
# ---- vox1_O_cleaned.kaldi.score -----
# EER = 1.972
# thres = 0.31796
# minDCF (p_target:0.01 c_miss:1 c_fa:1) = 0.194
self.recognize_threshold = 0.45377
self.save_threshold = 0.53752
# audio
self.audio_thread = QThread()
self.audio = Audio(None, self.vad_mode)
self.audio.moveToThread(self.audio_thread)
self.audio_thread.start()
self.audio_thread.finished.connect(self.audio_thread.deleteLater)
self.record_signal.connect(self.audio.record)
self.save_signal.connect(self.audio.save)
# model
self.model_thread = QThread()
self.model = Model(None, self.model_path, self.audio.sample_rate)
self.model.moveToThread(self.model_thread)
self.model_thread.start()
self.model_thread.finished.connect(self.model_thread.deleteLater)
self.infer_signal.connect(self.model.infer)
# profile
self.profile = Profile(self, self.profile_dir, self.embeding_size)
self.recognize_signal.connect(self.profile.recognize)
self.enroll_signal.connect(self.profile.enroll)
self.delete_signal.connect(self.profile.delete)
# timer
self.prompt_timer = QTimer(self)
self.prompt_interval = 10 * 1000
self.prompt_timer.timeout.connect(self.prompt_timeout)
self.prompt_timer.start(self.prompt_interval)
self.prompt_texts = []
self.prompt_texts.append(f"点击“{self.recognize_text}”按键,即可进行识别," +
f"识别需要录制{self.recognize_duration}秒音频。")
self.prompt_texts.append("点击左下角菜单,选择附件,选择Keyboard,即可使用虚拟键盘," +
f"输入用户名后,关闭虚拟键盘,再回到本界面。")
self.prompt_texts.append(f"点击“{self.enroll_text}”按键之前,需要先在右下方输入用户名,"
f"注册需要录制{self.enroll_duration}秒音频,")
self.prompt_texts.append(f"识别和注册建议说一样的话,比如“{self.keyword}”," +
f"已注册的用户可以继续注册其他常用语。")
self.prompt_texts.append(f"点击“{self.delete_text}”按键之前,需要先在右下方输入用户名," +
f"只能删除已注册的用户。")
self.prompt_texts.append(f"勾选“{self.auto_text}”按键,即可持续识别," +
f"反选恢复手动模式。")
self.prompt_texts.append(f"要中途退出识别、注册或自动模式,点击“{self.cancel_text}”按键即可。")
self.prompt_count = 0
self.ui.display_prompt.setPlaceholderText(
self.prompt_texts[self.prompt_count])
# button
self.ui.button_recognize.clicked.connect(self.recognize)
self.ui.button_enroll.clicked.connect(self.enroll)
self.ui.button_auto.clicked.connect(self.auto)
# prevent disconnecting error
self.ui.button_delete.clicked.connect(self.cancel)
def setup_unstable_signal(self):
self.signals = []
self.slots = []
# audio
self.signals.append(self.audio.after_vad_signal)
self.slots.append(self.after_vad)
self.signals.append(self.audio.recorded_signal)
self.slots.append(self.recorded)
# model
self.signals.append(self.model.inferred_signal)
self.slots.append(self.inferred)
# profile
self.signals.append(self.profile.recognized_signal)
self.slots.append(self.recognized)
self.signals.append(self.profile.enrolled_signal)
self.slots.append(self.enrolled)
self.signals.append(self.profile.deleted_signal)
self.slots.append(self.deleted)
def operate(self, operation: str):
assert operation in ["connect", "disconnect"]
for signal, slot in zip(self.signals, self.slots):
getattr(signal, operation)(slot)
@Slot()
def prompt_timeout(self):
self.prompt_count += 1
self.prompt_count %= len(self.prompt_texts)
self.ui.display_prompt.setPlaceholderText(
self.prompt_texts[self.prompt_count])
@Slot()
def normal(self):
# ui
self.ui.button_recognize.setDisabled(False)
self.ui.button_enroll.setDisabled(False)
self.ui.button_delete.setDisabled(False)
self.ui.button_delete.setText(self.delete_text)
# switch signal
self.ui.button_delete.clicked.disconnect()
self.ui.button_delete.clicked.connect(self.delete)
# logic
self.state = "normal"
self.operate("disconnect")
self.ui.input_username.setFocus()
self.ui.display_prompt.clear()
if self.ui.button_auto.isChecked():
self.recognize()
@Slot()
def recognize(self):
# ui
self.ui.button_recognize.setDisabled(True)
self.ui.button_enroll.setDisabled(True)
self.ui.button_delete.setDisabled(False)
self.ui.button_delete.setText(self.cancel_text)
# switch signal
self.ui.button_delete.clicked.disconnect()
self.ui.button_delete.clicked.connect(self.cancel)
# logic
self.state = "recognize"
self.operate("connect")
self.record()
@Slot()
def auto(self):
if self.ui.button_auto.isChecked():
if "normal" == self.state:
self.recognize()
else:
if "recognize" == self.state:
self.cancel()
@Slot()
def enroll(self):
def validate_username(username: str):
for char in username:
if "a" <= char <= "z" or "A" <= char <= "Z":
continue
if "_" == char:
continue
if "0" <= char <= "9":
continue
return False
return True
# ui
self.ui.button_recognize.setDisabled(True)
self.ui.button_enroll.setDisabled(True)
self.ui.button_delete.setDisabled(False)
self.ui.button_delete.setText(self.cancel_text)
# switch signal
self.ui.button_delete.clicked.disconnect()
self.ui.button_delete.clicked.connect(self.cancel)
# logic
self.username = self.ui.input_username.text()
if 0 == len(self.username):
self.ui.display_prompt.setText("请先在右下方输入用户名。")
self.normal()
elif not validate_username(self.username):
self.ui.display_prompt.setText("用户名只能由字母、下划线_或数字组成。")
self.normal()
else:
self.state = "enroll"
self.operate("connect")
self.record()
@Slot()
def delete(self):
# ui
self.ui.button_recognize.setDisabled(True)
self.ui.button_enroll.setDisabled(True)
self.ui.button_delete.setDisabled(True)
# logic
self.username = self.ui.input_username.text()
if 0 == len(self.username):
self.ui.display_prompt.setText("请先在右下方输入用户名。")
self.normal()
elif self.username not in self.profile.user_embeddings.keys():
self.ui.display_prompt.setText(f"{self.username},未注册。")
self.normal()
else:
self.state = "delete"
self.operate("connect")
self.delete_query.setText(f"{self.username},已注册。")
ret = self.delete_query.exec_()
if QMessageBox.Ok == ret:
self.delete_signal.emit(self.username)
else:
self.normal()
@Slot()
def cancel(self):
self.ui.button_auto.setChecked(False)
self.normal()
self.audio.running = False
def record(self):
if "recognize" == self.state:
duration = self.recognize_duration
string = f"正在录音,需要录制{duration}秒," + f"识别和注册建议说一样的话。"
elif "enroll" == self.state:
duration = self.enroll_duration
string = f"正在录音,需要录制{duration}秒,"
if self.username in self.profile.user_embeddings.keys():
string += f"可以说其他常用语。"
else:
string += f"可以重复说“{self.keyword}”。"
self.audio.running = True
self.record_signal.emit(duration)
self.ui.display_prompt.setText(string)
@Slot()
def after_vad(self, need_duration: float):
self.ui.display_prompt.setText(f"还需要录制{(need_duration):.1f}秒," +
f"您有{self.audio.record_duration}秒时间。")
@Slot()
def recorded(self, voiced_frame: np.array):
voiced_frames = []
if "recognize" == self.state:
voiced_frames.append(voiced_frame)
elif "enroll" == self.state:
length = len(voiced_frame) // self.enr_rec_ratio
for i in range(self.enr_rec_ratio):
voiced_frames.append(voiced_frame[i * length:(i + 1) * length])
self.save_signal.emit(
os.path.join(self.audio_dir, f"{self.username}_enroll.wav"))
voiced_frames = np.stack(voiced_frames, axis=0)
self.infer_signal.emit(voiced_frames)
self.ui.display_prompt.setText("录制完成,正在推理。")
@Slot()
def inferred(self, embeddings: np.ndarray):
if "recognize" == self.state:
self.ui.display_prompt.append("推理完成,正在识别。")
self.recognize_signal.emit(np.squeeze(embeddings, axis=0))
elif "enroll" == self.state:
self.ui.display_prompt.append("推理完成,正在注册。")
self.enroll_signal.emit(embeddings, self.username)
@Slot()
def recognized(self, user_score_sorted: list):
# no enrolled user
if not user_score_sorted:
self.ui.display_result.append("用户未注册。")
self.save_signal.emit(os.path.join(self.audio_dir, "unknown.wav"))
self.normal()
return
max_score = user_score_sorted[0][1]
if max_score >= self.recognize_threshold:
max_username = user_score_sorted[0][0]
self.ui.display_result.append(f"{max_username},您好!")
if max_score >= self.save_threshold:
self.save_signal.emit(
os.path.join(self.audio_dir, f"{max_username}_certain.wav"))
else:
self.save_signal.emit(
os.path.join(self.audio_dir,
f"{max_username}_uncertain.wav"))
else:
self.ui.display_result.append("用户未注册。")
self.save_signal.emit(os.path.join(self.audio_dir, "unknown.wav"))
self.normal()
# python helps with the out of index problem
user_score_sorted = user_score_sorted[:10]
string = ""
for username, score in user_score_sorted:
string += f"{username}: {score:.2f}, "
string = string[:-2]
self.ui.display_debug.setText(string)
@Slot()
def enrolled(self, enrolled_count: int):
self.ui.display_result.append(
f"{self.username},已注册{enrolled_count}个嵌入码。")
self.normal()
@Slot()
def deleted(self):
self.ui.display_result.append(f"{self.username},已删除。")
self.normal()
def closeEvent(self, event: PySide2.QtGui.QCloseEvent) -> None:
print(f"{self} closed")
if "normal" != self.state:
self.cancel()
self.audio_thread.quit()
self.audio_thread.wait()
self.audio.p.terminate()
self.model_thread.quit()
self.model_thread.wait()
if "__main__" == __name__:
app = QApplication(sys.argv)
window = MyWidget(None, Qt.WindowFlags())
window.showMaximized()
sys.exit(app.exec_())