| 8688993 |
Method and apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side |
Peter Georg Baum, Ulrich Gries |
2014-04-01 |
| 8281137 |
Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal |
Peter Georg Baum, Michael Arnold, Ulrich Gries |
2012-10-02 |
| 8259873 |
Method and apparatus for correlating two data sections |
Peter Georg Baum, Michael Arnold |
2012-09-04 |
| 8081757 |
Blind watermarking of audio signals by using phase modifications |
Peter Georg Baum |
2011-12-20 |
| 8041073 |
Decoding watermark information items of a watermarked audio or video signal using correlation |
Peter Georg Baum |
2011-10-18 |
| 7760790 |
Method and apparatus for transmitting watermark data bits using a spread spectrum, and for regaining watermark data bits embedded in a spread spectrum |
Peter Georg Baum |
2010-07-20 |
| 7634031 |
Method and apparatus for encoding symbols carrying payload data for watermarking an audio or video signal, and method and apparatus for decoding symbols carrying payload data of a watermarked audio or video signal |
Peter Georg Baum |
2009-12-15 |
| 6873950 |
Method and encoder for bit-rate saving encoding of audio signals |
Fei Gao, Andreas Aust |
2005-03-29 |
| 6016233 |
Magnetic tape apparatus with housing in which playback electronics and magnetic tape is permanently disposed |
Werner Scholz, Werner Bachnick, Wulf-Christian Streckenbach, Bernd Wessolly, Hartmut Peters +4 more |
2000-01-18 |
| 4942607 |
Method of transmitting an audio signal |
Ernst Schroder |
1990-07-17 |
| 4821260 |
Transmission system |
Otto Klank, Ernst Schroder |
1989-04-11 |
| 4590531 |
System for compensating signal interference in a PCM audio transmission |
Hans-Joachim Platte, Gunter Oberjatzas, Ernst Schroder |
1986-05-20 |