Voice Recording: The compressed data passed is corrupted

SAMPLE_RATE = 48000;
CHANNELS = 2;
BYTES_PER_SAMPLE = 2;
FRAME_SIZE = 960;

const audioStream = this.connection.receiver.subscribe(userId, {
  end: { behavior: EndBehaviorType.Manual }
});

const fileStream = createWriteStream(tempPcmFile);

const opusDecoder = new prism.opus.Decoder({
  frameSize: this.FRAME_SIZE,
  channels: this.CHANNELS,
  rate: this.SAMPLE_RATE
});

const decodedStream = audioStream.pipe(opusDecoder);

let loggedFirstAudio = false;

decodedStream.on('data', (pcmData: Buffer) => {
  const currentTime = Date.now();
  const timeSinceLastAudio = currentTime - recording.lastProcessedTime;
  recording.lastProcessedTime = currentTime;

  // fill the gap from last time spoken by the user
  if (timeSinceLastAudio > 50) {
    const silenceBuffer = this.createSilenceBuffer(timeSinceLastAudio);
    fileStream.write(silenceBuffer);
  }

  if (this.paused) {
    const silenceChunk = Buffer.alloc(pcmData.length);
    fileStream.write(silenceChunk);
  } else {
    recording.hasReceivedAudio = true;
    fileStream.write(pcmData);
  }
});

private createSilenceBuffer(durationMs: number): Buffer {
  const samples = Math.floor((durationMs / 1000) * this.SAMPLE_RATE);
  const bufferSize = samples * this.CHANNELS * this.BYTES_PER_SAMPLE;
  return Buffer.alloc(bufferSize);
}