Noncontact Surface Metrology for Preservation and Sound Recovery from Mechanical Sound Recordings

Boltryk PJ, McBride JW, Hill M, Nascè AJ, Zhao Z, Maul C. Noncontact Surface Metrology for Preservation and Sound Recovery from Mechanical Sound Recordings. J Audio Eng Soc. 2008;56(7/8):545-559. Available from: https://aes.org/publications/elibrary-page/?id=14399

@article{Boltryk2008_14399,
  author = {Boltryk, P. J. and McBride, J. W. and Hill, M. and Nascè, A. J. and Zhao, Z. and Maul, Christian},
  title = {{Noncontact Surface Metrology for Preservation and Sound Recovery from Mechanical Sound Recordings}},
  journal = {Journal of the Audio Engineering Society},
  volume = {56},
  number = {7/8},
  pages = {545--559},
  year = {2008},
  month = jul,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=14399}
}

TY  - JOUR
TI  - Noncontact Surface Metrology for Preservation and Sound Recovery from Mechanical Sound Recordings
AU  - Boltryk, P. J.
AU  - McBride, J. W.
AU  - Hill, M.
AU  - Nascè, A. J.
AU  - Zhao, Z.
AU  - Maul, Christian
T2  - Journal of the Audio Engineering Society
J2  - J. Audio Eng. Soc.
VL  - 56
IS  - 7/8
SP  - 545
EP  - 559
PY  - 2008
DA  - 2008/07/06
UR  - https://aes.org/publications/elibrary-page/?id=14399
PB  - Audio Engineering Society
LA  - en
AB  - Decoding historic mechanical recordings using noncontact optical methods avoids further degradation that would be created with a stylus. Moreover, for recordings that have been damaged, contact methods do not work. The proposed method, which is based on surface metrology of engineering surfaces, measures the surface optically, while offline signal processing then recovers the audio information. The surface record, preserved as a high-resolution matrix grid, is retained indefinitely. Preliminary results indicate better noise and distortion performance compared to mechanical playback.
ER  -