audio coding

Real-time user position estimation in indoor environments using digital watermarking for audio signals

In this paper, we propose a method for estimating the user position where a user is holding a microphone in an indoor environment using digital watermarking for audio signals. The proposed method utilizes detection strengths, which are calculated …

Watermarked movie soundtrack finds the position of the camcorder in a theater

In recent years, the problem of camcorder piracy in theaters has become more serious due to technical advances in camcorders. In this paper, as a new deterrent to camcorder piracy, we propose a system for estimating the recording position from which …