ambisonics-3d-audio/init.py at master · TheJoin95/ambisonics-3d-audio · GitHub

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from glob import glob
from pydub import AudioSegment
from pydub.generators import WhiteNoise
from math import *
from random import *
import sys

if len(sys.argv) > 2:
	AudioSegment.converter = sys.argv[1] #ffmpeg installation exe dir path
	AudioSegment.ffmpeg = sys.argv[1] #ffmpeg installation exe dir path
	AudioSegment.ffprobe = sys.argv[2] #ffprobe installation exe dir path

def calc_pan(index):
	return cos(radians(index))

#playlist_songs = [AudioSegment.from_mp3(mp3_file) for mp3_file in glob("mp3/*.mp3")]

#first_song = playlist_songs.pop(0)
interval = 0.2 * 1000 # sec
song = AudioSegment.from_mp3('mp3/everlong.mp3')
song_inverted = song.invert_phase()
song.overlay(song_inverted)

splitted_song = splitted_song_inverted = []
song_start_point = 0

print "split song in part"
while song_start_point+interval < len(song):
    splitted_song.append(song[song_start_point:song_start_point+interval])
    song_start_point += interval

if song_start_point < len(song):
    splitted_song.append(song[song_start_point:])

print "end splitting"
print "total pieces: " + str(len(splitted_song))

ambisonics_song = splitted_song.pop(0)
pan_index = 0
for piece in splitted_song:
    pan_index += 5
    piece = piece.pan(calc_pan(pan_index))
    ambisonics_song = ambisonics_song.append(piece, crossfade=interval/50)


# lets save it!
out_f = open("compiled/everlong.mp3", 'wb')

ambisonics_song.export(out_f, format='mp3')