import wavio

import numpy as np

s = input("Enter your data: ")

s += '.'

filename = input("Enter filename(without extension): ")

print((''.join(map(bin,bytearray(s, 'utf-8')))))

binout = ((''.join(map(bin,bytearray(s, 'utf-8')))).replace("b", "")).replace(" ", "")

print(binout)

rate = 44100 # samples per second, every second 44100 samples are used, for 100ms --> 44100/(1000/100)

T = 1 # sample duration for each bit (seconds), can be changed using the ms down below

f1 = 1200.0 # sound frequency (Hz) for 0 bit

f2 = 2400.0 # sound frequency (Hz) for 1 bit

start_sequence = 1800.0 # start frequencies

stop_sequence = 3600.0 # stop frequency

ms = 10; #milliseconds between each bit

samples = 44100//(1000//ms)

x = []

l = []

#------------------------------------------------------------------------------

#start sequence with 1800hz

t = np.linspace(0, T, T*rate, endpoint=False)

x.append(np.sin(2*np.pi * start_sequence * t[:samples]))

for i in binout:

t = np.linspace(0, T, T*rate, endpoint=False)

if i == '0':

x.append(np.sin(2*np.pi * f1 * t[:samples]))

if i == '1':

x.append(np.sin(2*np.pi * f2 * t[:samples]))

#end sequence with 4000hz

t = np.linspace(0, T, T*rate, endpoint=False)

x.append(np.sin(2*np.pi * stop_sequence * t[:samples]))

t = np.linspace(0, T, T*rate, endpoint=False)

x.append(np.sin(2*np.pi * stop_sequence * t[:samples]))

t = np.linspace(0, T, T*rate, endpoint=False)

x.append(np.sin(2*np.pi * stop_sequence * t[:samples]))

#------------------------------------------------------------------------------

for i in x:

for j in i:

l.append(j);

l = np.array(l)

wavio.write(filename+".wav", l, rate, sampwidth=2)