Excessive program levels can cause strange distortions during digitization. While the clipping of an analog audio signal produces a well-known harmonic distortion, the overload of the ADC results in the appearance of non-harmonic components. The human sense of aliasing effect is usually more dubious than the sense of harmonic distortion, so spurious sounds are more likely to get into a digital recording because of an overload, than in an anlog one. It is especially dangerous, when pre-emphasis is applied prior to the A/D conversion. Theoretical and experimental investigations of these phenomena show that this problem can be reduced significantly by means of a very simple circuit.
Click to purchase paper as a non-member or you can login as an AES member to see more options.
No AES members have commented on this paper yet.
To be notified of new comments on this paper you can
subscribe to this RSS feed.
Forum users should login to see additional options.
If you are not yet an AES member and have something important to say about this paper then we urge you to join the AES today and make your voice heard. You can join online today by clicking here.
