From 364807771a542f251ae2286dc591db759cae5e6e Mon Sep 17 00:00:00 2001
From: Henning Bock <h.bock@die-heimatlosen.eu>
Date: Wed, 31 Dec 2025 15:33:04 +0100
Subject: [PATCH] Initial Release

---
 generator.py | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100755 generator.py

diff --git a/generator.py b/generator.py
new file mode 100755
index 0000000..0909965
--- /dev/null
+++ b/generator.py
@@ -0,0 +1,126 @@
+#!/usr/bin/env python
+import sys
+import numpy as np
+import pyaudio
+import threading
+from PyQt6.QtWidgets import (QApplication, QWidget, QVBoxLayout, QPushButton, 
+                             QSlider, QLabel, QSystemTrayIcon, QMenu)
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QIcon, QAction, QColor, QPixmap
+
+class BrownNoiseGenerator(QWidget):
+    def __init__(self):
+        super().__init__()
+        
+        # Audio-Setup
+        self.fs = 44100
+        self.chunk_size = 1024
+        self.volume = 0.5
+        self.is_playing = False
+        self.p = pyaudio.PyAudio()
+        self.stream = None
+        self.last_val = 0.0
+        
+        self.init_ui()
+        self.setup_tray()
+
+    def init_ui(self):
+        self.setWindowTitle("Brown Noise")
+        self.setFixedWidth(250)
+        layout = QVBoxLayout()
+
+        self.btn_toggle = QPushButton("Start", self)
+        self.btn_toggle.clicked.connect(self.toggle_noise)
+        layout.addWidget(self.btn_toggle)
+
+        layout.addWidget(QLabel("Lautstärke:"))
+        self.slider = QSlider(Qt.Orientation.Horizontal)
+        self.slider.setRange(0, 100)
+        self.slider.setValue(50)
+        self.slider.valueChanged.connect(self.update_volume)
+        layout.addWidget(self.slider)
+
+        self.setLayout(layout)
+
+    def setup_tray(self):
+        # Erstellt ein einfaches Icon (farbiges Quadrat), falls du keine .png Datei hast
+        pixmap = QPixmap(64, 64)
+        pixmap.fill(QColor("brown"))
+        icon = QIcon(pixmap)
+        
+        self.tray_icon = QSystemTrayIcon(icon, self)
+        self.tray_icon.setToolTip("Brown Noise Generator")
+        
+        # Tray Menü (Rechtsklick)
+        tray_menu = QMenu()
+        show_action = QAction("Anzeigen", self)
+        quit_action = QAction("Beenden", self)
+        
+        show_action.triggered.connect(self.show)
+        quit_action.triggered.connect(self.quit_app)
+        
+        tray_menu.addAction(show_action)
+        tray_menu.addSeparator()
+        tray_menu.addAction(quit_action)
+        
+        self.tray_icon.setContextMenu(tray_menu)
+        self.tray_icon.show()
+        
+        # Linksklick auf Icon zeigt/versteckt Fenster
+        self.tray_icon.activated.connect(self.tray_icon_activated)
+
+    def tray_icon_activated(self, reason):
+        if reason == QSystemTrayIcon.ActivationReason.Trigger:
+            if self.isVisible():
+                self.hide()
+            else:
+                self.show()
+                self.raise_()
+
+    def update_volume(self, value):
+        self.volume = value / 100.0
+
+    def generate_brown_noise_chunk(self):
+        white_noise = np.random.uniform(-1, 1, self.chunk_size)
+        brown_noise = np.zeros_like(white_noise)
+        for i in range(len(white_noise)):
+            self.last_val = 0.99 * self.last_val + 0.02 * white_noise[i]
+            brown_noise[i] = self.last_val
+        return (brown_noise * self.volume).astype(np.float32).tobytes()
+
+    def audio_loop(self):
+        self.stream = self.p.open(format=pyaudio.paFloat32, channels=1, rate=self.fs, output=True)
+        while self.is_playing:
+            self.stream.write(self.generate_brown_noise_chunk())
+        self.stream.stop_stream()
+        self.stream.close()
+
+    def toggle_noise(self):
+        if not self.is_playing:
+            self.is_playing = True
+            self.btn_toggle.setText("Stop")
+            threading.Thread(target=self.audio_loop, daemon=True).start()
+        else:
+            self.is_playing = False
+            self.btn_toggle.setText("Start")
+
+    def closeEvent(self, event):
+        """Überschreibt das Schließen: Fenster wird nur versteckt."""
+        if self.tray_icon.isVisible():
+            self.hide()
+            event.ignore() # Verhindert das Schließen der App
+
+    def quit_app(self):
+        """Beendet die App wirklich."""
+        self.is_playing = False
+        self.p.terminate()
+        QApplication.quit()
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    # Verhindert, dass die App schließt, wenn das Fenster versteckt wird
+    app.setQuitOnLastWindowClosed(False)
+    
+    ex = BrownNoiseGenerator()
+    ex.show()
+    sys.exit(app.exec())