# -*- coding: utf-8 -*-
"""
Editor de Spyder

Este es un archivo temporal
"""

import pygame, math, time
import numpy as np
import matplotlib.pyplot as plt


fs=44100
bits=16 

# The size argument represents how many bits are used for each audio sample.
# If the value is negative then signed sample values will be used.
# Positive values mean unsigned audio samples will be used.

pygame.mixer.init(frequency=fs,size=-bits,channels=1)

A=2**(bits-1)-1
f = 400
t = np.arange(0,5,1.0/fs)
a = A*np.sin(2*math.pi*f*t)


a = a.astype(np.int16)
#b=np.vstack((a,a))
sound = pygame.sndarray.make_sound(a)
#sound = pygame.mixer.Sound("parte1.wav")
print("length: "+str(sound.get_length()))

r=np.arange(0,1000)
sound.play()
plt.plot(t[r],a[r])
plt.show()

time.sleep(sound.get_length() +1)