Micropython & IOT

تولید سیگنال صوتی با صدای یکنواخت با پایتون

import numpy as np
import wave
import struct

freq = 440.0
data_size = 40000
fname = "High_A.wav"
frate = 11025.0
amp = 64000.0

sine_list_x = []
for x in range(data_size):
sine_list_x.append(np.sin(2*np.pi*freq*(x/frate)))

wav_file = wave.open(fname, "w")

nchannels = 1
sampwidth = 2
framerate = int(frate)
nframes = data_size
comptype = "NONE"
compname = "not compressed"

wav_file.setparams((nchannels, sampwidth, framerate, nframes,
comptype, compname))

for s in sine_list_x:
wav_file.writeframes(struct.pack('h', int(s*amp/2)))

wav_file.close()

@micropython_iot

www.tg-me.com/hk/Micropython & IOT/com.micropython_iot/144

3.4K viewsF.Naserizadeh, edited  Nov 13, 2018 at 19:32

تولید سیگنال صوتی با صدای یکنواخت با پایتون

import numpy as np
import wave
import struct

freq = 440.0
data_size = 40000
fname = "High_A.wav"
frate = 11025.0
amp = 64000.0

sine_list_x = []
for x in range(data_size):
sine_list_x.append(np.sin(2*np.pi*freq*(x/frate)))

wav_file = wave.open(fname, "w")

nchannels = 1
sampwidth = 2
framerate = int(frate)
nframes = data_size
comptype = "NONE"
compname = "not compressed"

wav_file.setparams((nchannels, sampwidth, framerate, nframes,
comptype, compname))

for s in sine_list_x:
wav_file.writeframes(struct.pack('h', int(s*amp/2)))

wav_file.close()

@micropython_iot

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