| Paper: | AE-P3.10 | ||
| Session: | Audio Coding, Network Audio and Multimedia Applications | ||
| Time: | Thursday, May 18, 10:00 - 12:00 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Broadband and Perceptual Coding | ||
| Title: | Audio Data Hiding with High Data Rates Based on IntMDCT | ||
| Authors: | Ralf Geiger, Yoshikazu Yokotani, Fraunhofer IIS, Germany; Gerald Schuller, Fraunhofer IDMT, Germany | ||
| Abstract: | This paper describes high data rates audio data hiding using the IntMDCT. The IntMDCT is an integer approximation of the MDCT with perfect reconstruction. Based on this transform, we describe a straight-forward way to embed data and extract it in a bit-exact manner while perceptual transparency is maintained. Since the IntMDCT spectrum can be used to obtain a closer approximation of the masking threshold compared to time domain approaches, it is possible to achieve higher data rates. In a simple experimental implementation, we found we could embed data at rates up to about 140kb/s without introducing audible distortions. | ||
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