# Tk_audio_generator.py ZZZ

# Tk_audio_generator.py ZZZ an attempt to create beautiful samples of sound

dir='C://py//audio//samples//'

ww = 600
hh = 600

try:
    from Tkinter import *
except:
    from tkinter import *
import random

import wave
import math
import struct

sample_rate = 44100
duration = 1 # 1 second of audio
SAMPLE_LEN = sample_rate * duration

# -32767 to 32767
for_amp = 32767

root = Tk()
canvas = Canvas(root, width=ww, height=hh, bg='white')
canvas.pack()

def save_wave(packed_value):
    sss = str(frequency)+'_'+str(0)
    noise_output = wave.open(dir+sss+'.wav', 'w')
    noise_output.setparams((2, 2, sample_rate, 0, 'NONE', 'not compressed'))
    noise_output.writeframes('\n'.join(packed_value))
    noise_output.close()

def draw_wave(values):
    canvas.delete(ALL)
    canvas.create_line(values, fill='red')
    canvas.update()


amplitude = 0.1
frequency = 20
# for frequency in range(20,20000,20):
graph = []
sound = []
for bit in range(SAMPLE_LEN*2):
    data = math.sin(bit**amplitude*frequency)
    graph += [(bit,data*(hh-10)/2+hh/2)]
    sound += [struct.pack('h', data*for_amp)]
draw_wave(graph)
save_wave(sound)