Index: sample_scripts/ammos_viewer.py
===================================================================
--- sample_scripts/ammos_viewer.py	(revision bcacddcf4241b42aa64dd6651ee1f08d0254d9d2)
+++ sample_scripts/ammos_viewer.py	(revision bcacddcf4241b42aa64dd6651ee1f08d0254d9d2)
@@ -0,0 +1,80 @@
+"""I provide a simple bit viewer specialized for AMMOS files."""
+
+import tkinter as tk
+from PIL import Image, ImageTk
+from random import randbytes
+
+class MainApplication(tk.Frame):
+    """I implement a simple bit viewer specialized for AMMOS files."""
+
+    def __init__(self, parent):
+        """I create the application window."""
+        super().__init__(parent)
+
+        self.parent = parent
+        self.file_name = "../sample_data/audio_data_sample.bin"
+        self.file = open(self.file_name, 'rb')
+        self.bytes = self.file.read(2116*50)
+        self.cycle = 2116
+        self.cache = 500000000
+        self.offset = 0
+        self.buildup()
+
+    def buildup(self):
+        """I build up the initial user interface."""
+        self.parent.title("File name:" + self.file_name + " Size:" + str(len(self.bytes)))
+        self.pack(fill="both", expand=True)
+        self.default_button_width = 10
+        image_frame = tk.Frame(self)
+        image_frame.pack(side=tk.LEFT)
+        self.canvas = tk.Canvas(image_frame, bg="#000000", width=self.cycle, height=600)
+        self.canvas.pack()
+        random_bytes = randbytes(480000)
+        if len(self.bytes) < 480000:
+            random_bytes = self.bytes[self.offset:] + bytearray([0xff] * (480000-len(self.bytes)-self.offset))
+        self.image = ImageTk.PhotoImage(Image.frombytes("L", (self.cycle, int(len(random_bytes) / self.cycle)), random_bytes))
+        # self.image.show()
+        button_frame = tk.Frame(self)
+        self.canvas.create_image(0, 0, anchor='nw', image=self.image)
+        # image_label. = self.image
+        button_frame.pack(side="right")
+
+        tk.Label(button_frame, text='Cycle in bits').pack(side=tk.TOP)
+        self.cycle_entry = tk.Entry(button_frame)
+        # self.cycle_entry.set()
+        self.cycle_entry.pack(side=tk.TOP)
+
+        tk.Label(button_frame, text='Cache in bytes').pack(side=tk.TOP)
+        self.cache_entry = tk.Entry(button_frame)
+        self.cache_entry.pack(side=tk.TOP)
+
+        tk.Label(button_frame, text='Offset in bits').pack(side=tk.TOP)
+        self.offset_entry = tk.Entry(button_frame)
+        self.offset_entry.pack(side=tk.TOP)
+
+        tk.Button(
+            button_frame,
+            text="Load file",
+            width=self.default_button_width,
+            command=self.load_file).pack(side="top", fill="both", expand=True)
+
+        tk.Button(
+            button_frame,
+            text="Quit",
+            width=self.default_button_width,
+            command=self.quit).pack(side="top", fill="both", expand=True)
+
+    def load_file(self):
+        pass
+
+    def quit(self):
+        self.parent.destroy()
+
+
+if __name__ == '__main__':
+    root = tk.Tk()
+    root.geometry("1920x1200")
+
+    app = MainApplication(root)
+
+    root.mainloop()
Index: sample_scripts/audio_reader.py
===================================================================
--- sample_scripts/audio_reader.py	(revision d62906b424075be02d6d826c7b269a6d75d629ff)
+++ sample_scripts/audio_reader.py	(revision bcacddcf4241b42aa64dd6651ee1f08d0254d9d2)
@@ -22,5 +22,6 @@
     print("Frequencies", dat_file.container.frequencies())
     print("Frame types:", dat_file.container.frame_types())
-    print("Frame sizes:", dat_file.container.frame_sizes())
+    print("Unique frame sizes", dat_file.container.unique_frame_sizes())
+    print("Total frame size:", sum(dat_file.container.frame_sizes()))
     print("Homogenic:", dat_file.container.is_homogenic())
     pcm_data = dat_file.pcm_for_channel(0)