def chords():
synth = WaveSynth()
with Output(nchannels=1) as out:
for rootnote in octave_notes:
chord_keys = major_chord_keys(rootnote, 4)
print("chord", rootnote, ["{0} {1}".format(note, octave) for note, octave in chord_keys])
freqs = [notes[octave][key] for key, octave in chord_keys]
for i in range(1, len(freqs)):
assert freqs[i] > freqs[i-1]
samples = [synth.sine(freq, 1.5, amplitude=0.333) for freq in freqs]
s = samples[0].mix(samples[1]).mix(samples[2]).fadein(0.1).fadeout(0.1)
out.play_sample(s)
def chords():
synth = WaveSynth()
with Output(nchannels=1) as out:
for rootnote in octave_notes:
chord_keys = major_chord_keys(rootnote, 4)
print("chord", rootnote, [
"{0} {1}".format(note, octave) for note, octave in chord_keys
])
freqs = [notes[octave][key] for key, octave in chord_keys]
for i in range(1, len(freqs)):
assert freqs[i] > freqs[i - 1]
samples = [
synth.sine(freq, 1.5, amplitude=0.333) for freq in freqs
]
s = samples[0].mix(samples[1]).mix(
samples[2]).fadein(0.1).fadeout(0.1)
out.play_sample(s)
def create_chord_osc(clazz, **arguments):
if is_audio and self.arp_filter.input_mode.get().startswith("chords"):
chord_keys = major_chord_keys(self.current_note[0], self.current_note[1])
if self.arp_filter.input_mode.get() == "chords3":
chord_keys = list(chord_keys)[:-1]
a4freq = self.a4_choice.get()
chord_freqs = [note_freq(note, octave, a4freq) for note, octave in chord_keys]
self.statusbar["text"] = "major chord: "+" ".join(note for note, octave in chord_keys)
oscillators = []
arguments["amplitude"] /= len(chord_freqs)
for f in chord_freqs:
arguments["frequency"] = f
oscillators.append(clazz(**arguments))
return MixingFilter(*oscillators)
else:
# no chord (or an LFO instead of audio output oscillator), return one osc for only the given frequency
return clazz(**arguments)
def create_chord_osc(clazz, **arguments):
if is_audio and self.arp_filter.input_mode.get().startswith("chords"):
chord_keys = major_chord_keys(self.current_note[0], self.current_note[1])
if self.arp_filter.input_mode.get() == "chords3":
chord_keys = list(chord_keys)[:-1]
a4freq = self.a4_choice.get()
chord_freqs = [note_freq(note, octave, a4freq) for note, octave in chord_keys]
self.statusbar["text"] = "major chord: "+" ".join(note for note, octave in chord_keys)
oscillators = []
arguments["amplitude"] /= len(chord_freqs)
for f in chord_freqs:
arguments["frequency"] = f
oscillators.append(clazz(**arguments))
return MixingFilter(*oscillators)
else:
# no chord (or an LFO instead of audio output oscillator), return one osc for only the given frequency
return clazz(**arguments)
def pressed(self, event, note, octave, released=False):
if self.arpeggio_playing:
if not released:
# arp still playing... stop it
self.arpeggio_playing = False
return
a4freq = self.a4_choice.get()
if self.arp_filter.input_mode.get().startswith("arp"):
if released:
self._pressed([0, 1, 2], released=True)
return
chord_keys = major_chord_keys(note, octave)
if self.arp_filter.input_mode.get() == "arpeggio3":
chord_keys = list(chord_keys)[:-1]
chord_freqs = [note_freq(note, octave, a4freq) for note, octave in chord_keys]
self.statusbar["text"] = "arpeggio: "+" ".join(note for note, octave in chord_keys)
self.arpeggio_playing = True
self._pressed(chord_freqs)
else:
self.statusbar["text"] = "ok"
a4freq = self.a4_choice.get()
freq = note_freq(note, octave, a4freq)
self.current_note = (note, octave, freq)
self._pressed(freq, released)
def pressed(self, event, note, octave, released=False):
if self.arpeggio_playing:
if not released:
# arp still playing... stop it
self.arpeggio_playing = False
return
a4freq = self.a4_choice.get()
if self.arp_filter.input_mode.get().startswith("arp"):
if released:
self._pressed([0, 1, 2], released=True)
return
chord_keys = major_chord_keys(note, octave)
if self.arp_filter.input_mode.get() == "arpeggio3":
chord_keys = list(chord_keys)[:-1]
chord_freqs = [note_freq(note, octave, a4freq) for note, octave in chord_keys]
self.statusbar["text"] = "arpeggio: "+" ".join(note for note, octave in chord_keys)
self.arpeggio_playing = True
self._pressed(chord_freqs)
else:
self.statusbar["text"] = "ok"
a4freq = self.a4_choice.get()
freq = note_freq(note, octave, a4freq)
self.current_note = (note, octave, freq)
self._pressed(freq, released)
