def write_chord(f, note_freq, sound_leveler):
writer = Writer()
synthesizer = Synthesizer(osc1_waveform=Waveform.sine,
osc1_volume=sound_leveler(note_freq),
use_osc2=False)
wave = synthesizer.generate_chord([note_freq], 3.0)
writer.write_wave(f, wave)
def test_write_wave():
writer = Writer()
synthesizer = Synthesizer(osc1_waveform=Waveform.sine,
osc1_volume=1.0,
use_osc2=False)
wave = synthesizer.generate_constant_wave(440.0, 3.0)
writer.write_wave("./test_wave.wav", wave)
ok_("write_wave() succeeded.")
def save_melody(self, melody, bpm):
"""
Saves the melody as WAV
Saves each note individually and then concatenate then
in a sigle WAV file
Parameters
----------
melody : Melody
the melody that will be played
bpm : int
beats per minute that of the melody
"""
writer = Writer()
outfile = "melody.wav"
next_note = "note.wav"
data = []
for note in melody.notes:
sound = self.generate_waves(note, bpm)
if note == melody.notes[0]:
# Generates the first note
writer.write_wave(outfile, sound)
continue
writer.write_wave(next_note, sound)
infiles = [outfile, next_note]
for infile in infiles:
with wave.open(infile, 'rb') as w:
data.append([w.getparams(), w.readframes(w.getnframes())])
self.append_note(outfile, data)
# Deletes the note file
os.remove(next_note)
from synthesizer import Synthesizer, Waveform, Writer
# ここの説明は 音作り を参照
synth = Synthesizer(osc1_waveform=Waveform.sine,
osc1_volume=1.0,
use_osc2=False)
# 一定音程の波形を生成する
wave = synth.generate_constant_wave(frequency=440.0, length=1.0)
# オーディオファイル出力用クラス
writer = Writer()
writer.write_wave("sine.wav", wave)
import synthesizer
from synthesizer import Writer, Synthesizer, Waveform
synthesizer = Synthesizer(osc1_waveform=Waveform.sine,
osc1_volume=1.0,
use_osc2=False)
writer = Writer()
start = 130.81
mul = [0, 2, 4, 5, 7, 9, 11, 12, 14, 16, 17, 19, 21, 23]
for i in range(len(mul)):
note = 196 * 2**(mul[i] / 12)
wave = synthesizer.generate_chord([note * 0.5, note], 0.5)
writer.write_wave("./sounds/short/" + str(i) + ".wav", wave)
wave = synthesizer.generate_chord([note * 0.5, note], 4)
writer.write_wave("./sounds/long/" + str(i) + ".wav", wave)
# https://github.com/yuma-m/synthesizer
from synthesizer import Synthesizer, Waveform, Writer
writer = Writer()
synthesizer = Synthesizer(osc1_waveform=Waveform.sine,
osc1_volume=1.0,
use_osc2=False)
chord = [261.626, 329.628, 391.996]
writer.write_wave("../audio/output/synthtest.wav",
synthesizer.generate_chord(chord, 5.0))
from synthesizer import Synthesizer, Waveform, Writer
synth = Synthesizer(osc1_waveform=Waveform.square,
osc1_volume=1.0 * 0.5,
use_osc2=False)
writer = Writer()
wave = synth.generate_constant_wave(frequency=440.0, length=0.1)
writer.write_wave("A.wav", wave)
wave = synth.generate_constant_wave(frequency=349.228, length=0.1)
writer.write_wave("F.wav", wave)
wave = synth.generate_constant_wave(frequency=391.995, length=0.1)
writer.write_wave("G.wav", wave)
from synthesizer import Synthesizer, Waveform, Writer
from pychodelic.synthesis import available_synthesizers, get_synthesizer_by_waveform_type, sheet_to_wave
parser = argparse.ArgumentParser(
description="Synthesize a given sheet music (in txt format)")
parser.add_argument(
"sheet",
type=str,
help="Path for the sheet music containing instructions for the synthesizer."
)
parser.add_argument(
"type",
type=str,
help="Type of the main waveform of the synthesizer to use: %s." %
str(available_synthesizers))
parser.add_argument("output", type=str, help="Where to save the composition.")
args = parser.parse_args()
if args.type not in available_synthesizers:
raise ValueError("Unknown synthesizer type.")
synthesizer = get_synthesizer_by_waveform_type(args.type)
composition = sheet_to_wave(args.sheet, synthesizer)
writer = Writer()
writer.write_wave(args.output, composition)
# Play C major
chord = [261.626, 329.628, 391.996]
player.play_wave(synthesizer.generate_chord(chord, 1.0))
# Play exemplary "almost" chord
# C_4
chord = [270.000, 329.628, 370.000]
player.play_wave(synthesizer.generate_chord(chord, 2.0))
# write
writer = Writer()
chord = [170.000, 329.628, 570.000]
wave = synthesizer.generate_chord(chord, 3.0)
writer.write_wave("output_records/synth.wav", wave)
# # generate the sound of a full scale of notes
# scale_dict = scales.fit_frequencies(scales.full_scale)
# scale = [scale_dict[note] for note in scale_dict]
# scale.sort()
# wave = synthesizer.generate_chord(scale, 3.0)
# writer.write_wave("records/scales/full_scale.wav", wave)
# # generate the sound for C major pentatonic
# scale_dict = scales.fit_frequencies(scales.C_Major_pentatonic)
# scale = [scale_dict[note] for note in scale_dict]
# scale.sort()
# wave = synthesizer.generate_chord(scale, 3.0)
# writer.write_wave("records/scales/C_major.wav", wave)