#!/usr/bin/env python
# coding: utf-8

# ## How pyreaper works

# In[1]:


get_ipython().run_line_magic('pylab', 'inline')
rcParams["figure.figsize"] = (16, 4)


# In[2]:


import pysptk
import pyreaper
from scipy.io import wavfile
from IPython.display import Audio


# In[3]:


fs, x = wavfile.read(pysptk.util.example_audio_file())
plot(x)
Audio(x, rate=fs)


# In[4]:


pm_times, pm, f0_times, f0, corr = pyreaper.reaper(x, fs)


# In[5]:


plot(pm_times, pm, linewidth=3, color="red", label="Pitch mark")
legend(fontsize=15)


# In[6]:


plot(f0_times, f0, linewidth=3, color="green", label="F0 contour")
legend(fontsize=15)


# In[7]:


plot(f0_times, corr, linewidth=3, color="blue", label="Correlations")
legend(fontsize=15)


# In[ ]: