Sonic Quick Rresponse Codes (SQRC) for Embedding Inaudible Metadata in Sound Files

Sheppard M, Toulson R, Lopez M. Sonic Quick Rresponse Codes (SQRC) for Embedding Inaudible Metadata in Sound Files. In: AES Convention 141. Audio Engineering Society; 2016.pp. 9662:1-. Available from: https://aes.org/publications/elibrary-page/?id=18466

@inproceedings{Sheppard2016_18466,
  author = {Sheppard, Mark and Toulson, Rob and Lopez, Mariana},
  title = {{Sonic Quick Rresponse Codes (SQRC) for Embedding Inaudible Metadata in Sound Files}},
  booktitle = {AES Convention 141},
  pages = {9662:1-},
  year = {2016},
  month = sep,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=18466}
}

TY  - CPAPER
TI  - Sonic Quick Rresponse Codes (SQRC) for Embedding Inaudible Metadata in Sound Files
AU  - Sheppard, Mark
AU  - Toulson, Rob
AU  - Lopez, Mariana
T2  - AES Convention 141
SP  - 1
M1  - Paper 9662
PY  - 2016
DA  - 2016/09/06
UR  - https://aes.org/publications/elibrary-page/?id=18466
PB  - Audio Engineering Society
LA  - en
AB  - With the advent of high definition recording and playback systems, a proportion of the ultrasonic frequency spectrum can potentially be used as a container for unperceivable data and used to trigger events or to hold metadata in the form of text, ISRC (International Standard Recording Code) or a website URL. The Sonic Quick Response Code (SQRC) algorithm is proposed as a method for embedding inaudible acoustic metadata within a 96 kHz audio file in the 30–35 kHz bandwidth range. Thus any receiver that has sufficient bandwidth and decode software installed can immediately find metadata on the audio being played. SQRC data was mixed at random periods into 96 kHz music audio files and listening subjects were asked to identify if they perceived the introduction of the high frequency content. Results show that none of the subjects in this pilot study could perceive the 30–35 kHz material. As a result, it is shown that it is possible to conduct high-resolution audio testing without significant or perceptible artifacts caused by intermodulation distortion.
ER  -