As to your second question: > Some ROM drives are capable of reporting C2 error information along with the audio data and some ripping software can use this in

As to your second question: > Some ROM drives are capable of reporting C2 error information along with the audio data and some ripping software can use this information to determine whether the retrieved audio data is valid or not. A standardised mechanism for ROM drives to report C2 error information is documented in the Multi-Media Command (MMC) standard https://docs.linn.co.uk/wiki/index.php/CD_Ripping_Terminology https://docs.linn.co.uk/wiki/index.php/CD_Ripping_Terminolog...