create_data.py

import pyaudio
import wave

import time

CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 44100
RECORD_SECONDS = int(input("Enter length of song (in seconds):\n"))
SONG_NAME = input("Enter Song Name:\n")
WAVE_OUTPUT_FILENAME = f"./data/{SONG_NAME}.wav"

p = pyaudio.PyAudio()

stream = p.open(
    format = FORMAT,
    channels = CHANNELS,
    rate = RATE,
    input = True,
    frames_per_buffer = CHUNK
)

for i in list(range(5)[::-1]):
    print(i + 1)
    time.sleep(1)

print("Recording")

frames = []

for i in range(int(RATE / CHUNK * RECORD_SECONDS)):
    data = stream.read(CHUNK)
    frames.append(data)

print("Done")

stream.stop_stream()
stream.close()
p.terminate()

wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()