Inventor · Hannover, DE

Walter Voessing

12Patents
6h-index
18Co-inventors
63Inventor score

Filing activity: Aug 16, 1984 → Jan 15, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4821260A Transmission system Electricity 28 Expired
US4942607A Method of transmitting an audio signal Electricity 23 Expired
US8081757B2 Blind watermarking of audio signals by using phase modifications Physics 21 Active
US8259873B2 Method and apparatus for correlating two data sections Physics 17 Active
US7760790B2 Method and apparatus for transmitting watermark data bits using a spread spectrum, and for regaining watermark data bits embedded in a spread spectrum Electricity 17 Active
US6016233A Magnetic tape apparatus with housing in which playback electronics and magnetic tape is permanently disposed Physics 6 Expired
US8041073B2 Decoding watermark information items of a watermarked audio or video signal using correlation Physics 5 Active
US4590531A System for compensating signal interference in a PCM audio transmission Physics 3 Expired
US7634031B2 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 Physics 2 Active
US8688993B2 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 Electricity 0 Active
US8281137B2 Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal Physics 0 Active
US6873950B1 Method and encoder for bit-rate saving encoding of audio signals Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.