问如何将voice.csv数据转换成音频wav格式？

EN

import wave
import struct
import sys
import csv
import numpy 
from scipy.io import wavfile
from scipy.signal import resample


def write_wav(data, filename, framerate, amplitude):
wavfile = wave.open(filename,'w')
nchannels = 1
sampwidth = 2
framerate = framerate
nframes = len(data)
comptype = "NONE"
compname = "not compressed"
wavfile.setparams((nchannels,
                    sampwidth,
                    framerate,
                    nframes,
                    comptype,
                    compname))
frames = []
for s in data:
    mul = int(s * amplitude)
    frames.append(struct.pack('h', mul))

frames = ''.join(frames)
wavfile.writeframes(frames)
wavfile.close()
print("%s written" %(filename))


if __name__ == "__main__":
if len(sys.argv) <= 1:
    print ("You must supply a filename to generate")
    exit(-1)
for fname in sys.argv[1:]:

    data = []
    for time, value in csv.reader(open('voice.csv'), delimiter=','):
        try:
            data.append(float(value))#Here you can see that the time column is skipped
        except ValueError:
            pass # Just skip it


    arr = numpy.array(data)#Just organize all your samples into an array
    # Normalize data
    arr /= numpy.max(numpy.abs(data)) #Divide all your samples by the max sample value
    filename_head, extension = fname.rsplit(',',1)        
    data_resampled = resample( arr, len(data) )
    wavfile.write('rec.wav', 16000, data_resampled) #resampling at 16khz
    print ("File written succesfully !")






ValueError                                Traceback (most recent call 
last)
<ipython-input-10-ad8c56a24b4d> in <module>
  6 
  7         data = []
----> 8         for time, value in csv.reader(open('voice.csv'), 
delimiter=','):
  9             try:
 10                 data.append(float(value))#Here you can see that the 
time column is skipped

ValueError: too many values to unpack (expected 2)