def generate_utilities_read_file_audio(filename):
duration_in_ms = 20
# generate noise
noise = WhiteNoise(sample_rate=RATE, bit_depth=NUM_BYTES *
BITS_PER_BYTE).to_audio_segment(duration=duration_in_ms)
# save
noise.export(filename, format="wav")
return noise._data
def add_audio(fn, d):
print("ADDING SOUND...")
sound = WhiteNoise().to_audio_segment(duration=d)
namesound = define_name("whiteNoise", ".mp3")
sound.export(namesound, format="mp3")
video = movie(fn)
sonido = music(namesound)
result = video + sonido
namevid = define_name("noiseVid", ".mp4")
result.save(namevid)
os.remove(fn)
os.remove(namesound)
def padding(wav, white_noise_duration):
# print("WAV FILE: " + wav)
for x in white_noise_duration:
if x == 0:
wav_files = []
padded_fname = wav.rsplit(".", 1)[0]
# print("PADDED NAME: " + padded_fname)
silence_duration = max(white_noise_duration)
# print(padded_fname+"_whitenoise.wav")
# convert sampling rate, bits per sample, audio channel
subprocess.call([
"ffmpeg",
"-i",
wav,
"-ar",
"44100",
"-ac",
"2",
padded_fname + "_converted.wav",
"-y",
])
# white noise duration should be a list e.g [0,1]
# generate white noise wav file
wn = WhiteNoise().to_audio_segment(duration=silence_duration *
1000)
wn.export(
padded_fname + "_whitenoise.wav",
format="wav",
parameters=["-ar", "16000"],
)
# stitch white noise wav file to specific audio wav file
# before
new_wav_before = AudioSegment.from_wav(
padded_fname +
"_whitenoise.wav") + AudioSegment.from_wav(padded_fname +
"_converted.wav")
new_wav_before.export(
padded_fname + "_padded" + "_" + str(white_noise_duration[1]) +
"_" + str(white_noise_duration[0]) + ".wav",
format="wav",
parameters=["-ar", "16000"],
)
# after
new_wav_after = AudioSegment.from_wav(
padded_fname +
"_converted.wav") + AudioSegment.from_wav(padded_fname +
"_whitenoise.wav")
new_wav_after.export(
padded_fname + "_padded" + "_" + str(white_noise_duration[0]) +
"_" + str(white_noise_duration[1]) + ".wav",
format="wav",
parameters=["-ar", "16000"],
)
# remove white noise wav file
os.remove(padded_fname + "_whitenoise.wav")
os.remove(padded_fname + "_converted.wav")
wav_files.append(padded_fname + "_padded" + "_" +
str(white_noise_duration[1]) + "_" +
str(white_noise_duration[0]) + ".wav")
wav_files.append(padded_fname + "_padded" + "_" +
str(white_noise_duration[0]) + "_" +
str(white_noise_duration[1]) + ".wav")
break
else:
wav_files = []
padded_fname = (wav.rsplit(".", 1)[0]).split("/")[-1]
# print("PADDED FILENAME: " + padded_fname)
path = (wav.rsplit(".", 1)[0]).rsplit("/", 1)[0]
# print("PATH: "+ path)
fn = (wav.rsplit(".", 1)[0]).rsplit("/", 1)[1]
# print("FILENAME: " + fn)
# white noise duration should be a list e.g [0,1]
# generate white noise wav file
# wn_0 = AudioSegment.silent(duration=white_noise_duration[0] * 1000)
wn_0 = WhiteNoise().to_audio_segment(
duration=white_noise_duration[0] * 1000)
wn_0.export(wav + "_whitenoise_0.wav",
format="wav",
parameters=["-ar", "16000"])
# wn_1 = AudioSegment.silent(duration=white_noise_duration[1] * 1000)
wn_1 = WhiteNoise().to_audio_segment(
duration=white_noise_duration[1] * 1000)
wn_1.export(wav + "_whitenoise_1.wav",
format="wav",
parameters=["-ar", "16000"])
# stitch white noise wav file to specific audio wav file
new_wav = (AudioSegment.from_wav(wav + "_whitenoise_0.wav") +
AudioSegment.from_wav(wav) +
AudioSegment.from_wav(wav + "_whitenoise_1.wav"))
new_wav.export(
path + "/" + padded_fname + "_padded" + "_" +
str(white_noise_duration[0]) + "_" +
str(white_noise_duration[1]) + ".wav",
format="wav",
parameters=["-ar", "16000"],
)
# after
new_wav_reverse = (
AudioSegment.from_wav(wav + "_whitenoise_1.wav") +
AudioSegment.from_wav(wav) +
AudioSegment.from_wav(wav + "_whitenoise_0.wav"))
new_wav_reverse.export(
path + "/" + padded_fname + "_padded" + "_" +
str(white_noise_duration[1]) + "_" +
str(white_noise_duration[0]) + ".wav",
format="wav",
parameters=["-ar", "16000"],
)
# remove white noise wav file
os.remove(wav + "_whitenoise_0.wav")
os.remove(wav + "_whitenoise_1.wav")
wav_files.append(path + "/" + padded_fname + "_padded" + "_" +
str(white_noise_duration[0]) + "_" +
str(white_noise_duration[1]) + ".wav")
wav_files.append(path + "/" + padded_fname + "_padded" + "_" +
str(white_noise_duration[1]) + "_" +
str(white_noise_duration[0]) + ".wav")
# If adding to one folder, specify the path of folder!
# new_wav.export("output_/"+fn+"_padded"+"_"+str(white_noise_duration[0])+"_"+str(white_noise_duration[1])+".wav", format="wav", parameters=["-ar", "16000"])
# new_wav_reverse.export("output_/"+fn+"_padded"+"_"+str(white_noise_duration[1])+"_"+str(white_noise_duration[0])+".wav", format="wav", parameters=["-ar", "16000"])
break
return wav_files