Sounderzeugung

tk_first_steps/toene_mvc.py

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+import tkinter as tk
+from gensound import Sine
+
+# Konstanten
+
+c5= 523
+b = 494
+a = 440
+g = 392
+f = 349
+e = 330
+d = 294
+c = 262
+
+
+# ------------------------------------
+
+# Melodie / Model
+
+class Melody():
+	def __init__(self, melody = "c,e,g,c5,g,e,c"):
+		self.melody = melody
+		
+	def play(self, duration = 0.5, amplitude = 0.5):
+		dur = duration * 1000
+		ampl = amplitude
+		
+		s =  Sine(frequency=440, duration=1)
+		
+		tone_list = self.melody.split(',')
+		for tone in tone_list:
+			if tone == "c5":
+				s = s | Sine(frequency=c5, duration=dur)*0.5
+			elif tone == "b":
+				s = s | Sine(frequency=b, duration=dur)*0.5
+			elif tone == "a":
+				s = s | Sine(frequency=a, duration=dur)*0.5
+			elif tone == "g":
+				s = s | Sine(frequency=g, duration=dur)*0.5
+			elif tone == "f":
+				s = s | Sine(frequency=f, duration=dur)*0.5
+			elif tone == "e":
+				s = s | Sine(frequency=e, duration=dur)*0.5
+			elif tone == "d":
+				s = s | Sine(frequency=d, duration=dur)*0.5
+			elif tone == "c":
+				s = s | Sine(frequency=c, duration=dur)*0.5
+			else:
+				pass
+		s.play()
+		return True
+
+# Controller
+
+class Controller():
+	def __init__(self):
+		self.m = Melody()
+
+	def ton(self):
+		m = self.m
+		m.play()
+# View
+
+class Application(tk.Frame):
+    def __init__(self, master=None):        
+        super().__init__(master)
+        self.pack()
+        self.create_widgets()
+
+    def create_widgets(self):
+        self.b1 = tk.Button(self)
+        self.b1["text"] = "Ton"
+        self.b1["command"] = con.ton
+        self.b1.pack(side="top")
+
+        self.quit = tk.Button(self, text="QUIT", fg="red",
+                              command=root.destroy)
+        self.quit.pack(side="bottom")
+
+
+# --- Ausführung ---
+
+root = tk.Tk()
+con = Controller()
+app = Application(master=root)
+app.mainloop()