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Wav file is empty after recording is saved to file #157

@MarkoKurtovic

Description

@MarkoKurtovic
import soundcard as sc
import numpy
import soundfile

# get a list of all speakers:
speakers = sc.all_speakers()

# get the current default speaker on your system:
default_speaker = sc.default_speaker()

# get a list of all microphones:
mics = sc.all_microphones()

# get the current default microphone on your system:
default_mic = sc.default_microphone()
one_speaker = sc.get_speaker('IEC958')



# record and play back one second of audio:
data = default_mic.record(samplerate=48000, numframes=48000)
default_speaker.play(data/numpy.max(data), samplerate=48000)

# alternatively, get a `Recorder` and `Player` object
# and play or record continuously:
with default_mic.recorder(samplerate=48000) as mic, \
      default_speaker.player(samplerate=48000) as sp:
    for _ in range(400):
        data = mic.record(numframes=1024)
        sp.play(data)
        soundfile.write("x.wav", data, 1024)
        soundfile.read("x.wav")
        

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