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test_record_pyaudio.py
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test_record_pyaudio.py
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import pyaudio
import wave
chunk = 1024 # Record in chunks of 1024 samples
sample_format = pyaudio.paInt16 # 16 bits per sample
channels = 2
fs = 44100 # Record at 44100 samples per second
seconds = 10
filename = "output.wav"
p = pyaudio.PyAudio() # Create an interface to PortAudio
input_device_name = "CABLE Output"
output_device_name = "Speakers (Realtek"
input_device_info = None
output_device_info = None
for i in range(p.get_device_count()):
device_info = p.get_device_info_by_index(i)
print(device_info)
if input_device_name in device_info["name"]:
input_device_info = device_info
if output_device_name in device_info["name"]:
output_device_info = device_info
if not input_device_info:
print("Input device not found")
exit()
if not output_device_info:
print("Output device not found")
exit()
print('Recording')
stream = p.open(format=sample_format,
channels=channels,
rate=fs,
frames_per_buffer=chunk,
input=True,
input_device_index=input_device_info["index"],
output=True,
output_device_index=output_device_info["index"])
frames = [] # Initialize array to store frames
# Store data in chunks for 3 seconds
for i in range(0, int(fs / chunk * seconds)):
data = stream.read(chunk)
stream.write(data)
#frames.append(data)
# Stop and close the stream
stream.stop_stream()
stream.close()
# Terminate the PortAudio interface
p.terminate()
print('Finished recording')
# Save the recorded data as a WAV file
'''
wf = wave.open(filename, 'wb')
wf.setnchannels(channels)
wf.setsampwidth(p.get_sample_size(sample_format))
wf.setframerate(fs)
wf.writeframes(b''.join(frames))
wf.close()
'''