# resample .wav source to target sampling rate
import logging as log
import time
import os
import librosa
import soundfile as sf


def resample_file(filename, out_filename, target_rate=int(24e3)):
    start=time.time()
    # Load the original audio file
    audio, rate = librosa.load(filename)

    if rate == target_rate: # Nothing to do 
        sf.write(out_filename, audio, target_rate)
        return

    # Convert the sample rate to 24 kHz
    resampled_audio = librosa.resample(audio, orig_sr=rate, target_sr=target_rate)

    # Save the resampled audio as a new .wav file
    sf.write(out_filename, resampled_audio, target_rate)
    
    log.info("Resampling of %s took  %s s", os.path.basename(filename), round(time.time() - start, 3))

if __name__ == "__main__":
    resample_file('text_to_speech/welcome.wav', 'text_to_speech/welcome_resampled.wav')