film.py

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

# In[1]:


import matplotlib.pyplot as plt
import numpy as np

import random
from itertools import cycle, accumulate
import librosa

import warnings
warnings.filterwarnings("ignore")

from composition.common import (
    sinusoid, sweeping_sinusoid, line_segment, constant, triangle, square, adsr,
    autotune, SECOND, get_t, autotune_explicit, phasor,
    sweeping_square, sweeping_triangle, bpc, rescale, harmonics_to_pitches
)
from composition.instrument import Score, Part, Phrase

plt.rcParams['figure.figsize'] = (15, 5)


# In[2]:




# * violin: mean: -43.36, std: 5.23
# * viola: mean: -42.76, std: 7.77
# * cello: mean: -57.26, std: 6.12
# * flute: mean: -55.27, std: 8.37
# * flute2: mean: -55.27, std: 8.37

# - Violin 55-103
# - Viola 48-91
# - Cello 36-76
# - Flute 60-96
# - Flute2 55-91

# In[6]:


higher_harms = harmonics_to_pitches(36, [2, 11, 13, 15, 17, 19, 21, 23, 25, 27])[1:]


# In[7]:


stretched_higher_harms = harmonics_to_pitches(36, [n ** 1.02 for n in [2, 11, 13, 15, 17, 19, 21, 23, 25, 27]])[1:]


# In[8]:

duration = 25
pitches = sweeping_sinusoid(duration, 0.1, 0.01, 72, 3)
pitches += line_segment(duration, 0, 7)
pitches = autotune(pitches, 0.9)
pitches += sinusoid(duration, 4, 0, 0.15)

amps = np.concatenate([adsr(0.1, 0.1, 1 - (0.1 + 0.1 + 0.5), 0.5, 1, 0.8) for _ in range(25)])
padding = len(pitches) - len(amps)
amps = np.pad(amps, (0, padding), mode='edge')

# amps = sweeping_triangle(duration, 2, 6, 0.1)

amps = rescale(amps, -70, -55)
amps += line_segment(duration, 0, 8)
amps += sinusoid(duration, 4, 0, 1, phase=0.1324)


# In[9]:


vln1_phrase = Phrase(pitches, amps)
vln1_part = Part('Vln. 1', 'violin')
vln1_part.add_phrase(vln1_phrase)


# In[10]:


vln1_part.play()


# In[11]:


vln1_part.show()


# In[12]:


duration = 25
pitches = sweeping_sinusoid(duration, 0.1, 2, 60, 3)

amps = sweeping_triangle(duration, 1, 8, 0.5, -80, -12)

flute_ph = Phrase(pitches, amps)
flute_part = Part('Flt. 1', 'flute')
flute_part.add_phrase(flute_ph)


# In[13]:


flute_part.show()


# In[14]:


flute_part.play()


# In[15]:


duration = 25
pitches = sweeping_sinusoid(duration, 0.1, 2, 72, 3)
pitches += line_segment(duration, 0, 7)
pitches = autotune(pitches, 0.9)
pitches += sinusoid(duration, 4, 0, 0.15)

amps = np.concatenate([adsr(0.1, 0.1, 1 - (0.1 + 0.1 + 0.5), 0.5, 1, 0.8) for _ in range(25)])
padding = len(pitches) - len(amps)
amps = np.pad(amps, (0, padding), mode='edge')

# amps = sweeping_triangle(duration, 2, 6, 0.1)

amps = rescale(amps, -70, -55)
amps += line_segment(duration, 0, 8)
amps += sinusoid(duration, 4, 0, 1, phase=0.1324)


# In[16]:


import pickle


# In[17]:


with open('audio-data/original/22 Seconds V/score.pkl', 'rb') as f:
    score = pickle.load(f)


# In[18]:


score.show()


# In[19]:


score.play()


# In[20]:


for part in score.parts:
    print(part.instrument) 


# In[21]:


cello = score.parts[3]
flute2 = score.parts[4]
flute1 = score.parts[5]


# In[22]:


cello.phrases[1].show()


# In[23]:


flute2.phrases[1].show()


# In[24]:


flute1.phrases[1].show()


# In[25]:


cello.phrases[1].pitch[:] = 61.


# In[26]:


score.show()


# In[27]:


def remap(xs, out_min, out_max):
    result = (xs - xs.min()) / xs.max()
    result = result * (out_max - out_min) + out_min
    
    return result


# In[28]:


with open('audio-data/original/22 Seconds V/score.pkl', 'rb') as f:
    score = pickle.load(f)


# In[29]:


score.parts[0].phrases[0].loudness = remap(score.parts[0].phrases[0].loudness, -70, -33)


# In[30]:


score.parts[1].phrases[0].loudness = remap(score.parts[1].phrases[0].loudness, -70, -33)


# In[31]:


score.parts[2].phrases[0].loudness = remap(score.parts[2].phrases[0].loudness, -70, -33)
score.parts[2].phrases[0].loudness += np.random.randn(len(score.parts[2].phrases[0].loudness))*0.5
score.parts[2].instrument = 'violin'


# In[32]:


score.parts[3].phrases[0].loudness = sweeping_triangle(22, 0.25, 4, 0.1, -43, -33) - 25
score.parts[3].phrases[0].loudness += sweeping_square(22, 0.125, 2, 0.5, -1, 0)
score.parts[3].phrases[0].loudness += line_segment(22, 0, 6)
score.parts[3].phrases[0].loudness += np.random.randn(len(score.parts[3].phrases[0].loudness))*0.5

score.parts[3].phrases[1].loudness = remap(score.parts[3].phrases[1].loudness, -69, -52)
score.parts[3].instrument = 'cello'


# In[33]:


score.parts[4].phrases[0].loudness = remap(score.parts[5].phrases[0].loudness, -63, 6-47)
score.parts[4].phrases[1].loudness = remap(score.parts[5].phrases[1].loudness, -60, -60)


# In[34]:


score.parts[4].play()


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