#diplacusis.py testing script for earphones. Sherwood 2026 import http.server import webbrowser import threading PORT = 8080 HTML_CONTENT = """ Musician's Diplacusis & Overlapping Piano

Diplacusis Tester for Earphones

Scroll horizontally to test any octave (C2-C6). Black notes overlap traditionally.

Click on keyboard pitch; select one ear at a time (keyboard short cut: "1" or "3"; Space mutes

Scrollable Traditional Keyboard (C2 to C6)

Hotkeys: **1** (Left), **2** (Both), **3** (Right), **Space** (Mute)

""" class MyHandler(http.server.SimpleHTTPRequestHandler): def do_GET(self): self.send_response(200) self.send_header("Content-type", "text/html") self.end_headers() self.wfile.write(HTML_CONTENT.encode("utf-8")) def run_server(): server = http.server.HTTPServer(('127.0.0.1', PORT), MyHandler) print(f"Diplacusis tester running at http://127.0.0.1:{PORT}") server.serve_forever() if __name__ == '__main__': threading.Thread(target=run_server, daemon=True).start() webbrowser.open(f"http://127.0.0.1:{PORT}") input("Press Enter in this terminal to stop the server...\n")