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

# In[1]:


import numpy, scipy, IPython.display as ipd


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# # Why Music Information Retrieval?

# While you listen to these excerpts, name as many of its musical characteristics as you can:

# In[2]:


ipd.display( ipd.YouTubeVideo("ajCYQL8ouqw") )


# ([Chords](http://chordify.net/chords/beatles-let-it-be-hippiegirl34))

# Another:

# In[3]:


ipd.display( ipd.YouTubeVideo("PrVu9WKs498", start=8) )


# One more:

# In[4]:


ipd.display( ipd.YouTubeVideo("Cxj8vSS2ELU", start=540) )


# ## Why MIR?

# - discover, organize, monetize media collections
# - search ("find me something that sounds like this")
#     - songs, loops, speech, environmental sounds, sound effects
# - workflows	in consumer products through machine hearing
# - automatic control of software and mobile devices

# ## What is MIR?

# - fingerprinting
# - cover song detection
# - genre recognition
# - transcription
# - recommendation
# - symbolic melodic similarity
# - mood
# - source separation
# - instrument recognition 
# - pitch tracking
# - tempo estimation
# - score alignment
# - song structure/form
# - beat tracking
# - key detection
# - query by humming

# ## Commercial Applications

# Example: [RiffStation](http://www.riffstation.com/)

# In[5]:


ipd.display( ipd.YouTubeVideo("ECvinPjmBVE", start=6) )


# Example: [Melodyne](http://www.celemony.com/en/start)

# In[6]:


ipd.display( ipd.YouTubeVideo("DiW6XVFeFgo", start=60))


# Example: [Auto-Tune](http://www.antarestech.com/)

# In[7]:


ipd.display( ipd.YouTubeVideo("YDjsoZKlG04", start=155))


# Example: Key Detection and Auto-harmonization with [iZotope Nectar 2](https://www.izotope.com/nectar2)

# In[8]:


ipd.display( ipd.YouTubeVideo("TG-ivjyyYhM", start=35))


# Example: [Humtap](http://www.humtap.com)

# In[9]:


ipd.display( ipd.VimeoVideo("96140435") )


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