NOTE: visit https://www.github.com/kreivalabs for current code versions.
Calculate the coverage pattern area of a point-source loudspeaker based on its dispersion angle and the measured distance from source to listener (or some other point).
This method uses Future functionality from http://www.python-future.org:
#!/usr/bin/env python # @version 1.1 02-November-2017 # @language: python3 # @requirements: Future additions (http://www.python-future.org) # @description: Calculate speaker coverage based on driver dispersion angle and measured distance from source. # Import Future functions from __future__ import absolute_import, division, print_function, unicode_literals from builtins import input import math title="Loudspeaker Coverage Calculator" print(title) print("=" * 80) # Prompt for user input cone_degrees = int(input("Enter speaker dispersion angle in degrees: ")) measured_distance = float(input("Enter measured distance from speaker in feet: ")) # Convert angles to radians angle_radians = math.radians(cone_degrees) radians_div = angle_radians / 2 # Calculate coverage pattern coverage_pattern = ((math.tan(radians_div)) * measured_distance)* 2 # Round results to two decimal places coverage_pattern_round = str(round(coverage_pattern, 2)) # Return results, prompt for user input to quit print("Approximate speaker coverage pattern is: ", coverage_pattern_round, "ft.") # Return results, prompt for user input to quit. print("=" * 80) print("Speaker coverage pattern is: ", coverage_pattern_round, "ft.") print() print("Press the <Enter> key to exit.") input()