Before revision: The audio data on these discs is not error protected so, any corruption of the audio data during readout due to dirt or mechanical damage results in total loss of the audio data.
After revision: The audio data on these discs is not as extensive as what is used for CD-ROM or DVD formats so, corruption of the audio data during readout due to dirt or mechanical damage could resultCIRC error correction used for the in total loss of the audio data.