def play_sample(f, keys,bmp):
'''
play the track
'''
t = 44100*60/bmp
data = f.readlines()
arr = np.zeros(0)
n,k = t*len(data), len(data[0].split())
arr.resize(n, k)
i=0
for line in data:
samples = line.split()
j=0
for sample in samples:
if sample == '--':
arr[(i*t):((i+1)*t), j] += np.zeros(t)
else:
if not bool(re.findall(r'[A-Z]+', sample)):
fs,y = scipy.io.wavfile.read('sample/'+sample+'.wav')
y = np.mean(y,axis=1)
y /= 12767
else:
fr = key_frequencies(int(keys[sample]))
y = sound(fr,60/bmp*2)
arr[(i*t):(len(y)+(i*t)), j] = y[:t*(len(data)-i)]
j += 1
i += 1
track = arr.sum(axis=1)
return(track)
def play_notes(f, keys):
'''
play musical notes
'''
track = []
for line in f:
line = line.split('\n')[0]
notes = line.split()
fr = key_frequencies(int(keys[notes[0]]))
track = np.append(track, sound(fr,2/int(notes[1])))
return(track)