CH575686A5 - - Google Patents
Info
- Publication number
- CH575686A5 CH575686A5 CH267774A CH267774A CH575686A5 CH 575686 A5 CH575686 A5 CH 575686A5 CH 267774 A CH267774 A CH 267774A CH 267774 A CH267774 A CH 267774A CH 575686 A5 CH575686 A5 CH 575686A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2309987A DE2309987C2 (de) | 1973-02-28 | 1973-02-28 | System für die Übertragung breitbandiger Signale |
| DE19732321230 DE2321230C2 (de) | 1973-04-26 | 1973-04-26 | System zum Übertragen breitbandiger Tonsignale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH575686A5 true CH575686A5 (de) | 1976-05-14 |
Family
ID=25764760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH267774A CH575686A5 (de) | 1973-02-28 | 1974-02-26 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3894190A (de) |
| JP (1) | JPS5421047B2 (de) |
| AU (1) | AU476713B2 (de) |
| CA (1) | CA988860A (de) |
| CH (1) | CH575686A5 (de) |
| ES (1) | ES423728A1 (de) |
| FR (1) | FR2219580B1 (de) |
| GB (1) | GB1425155A (de) |
| HK (1) | HK53476A (de) |
| IE (1) | IE38934B1 (de) |
| IT (1) | IT1052284B (de) |
| NL (1) | NL7402688A (de) |
| NO (1) | NO139878C (de) |
| SE (1) | SE398186B (de) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672605A (en) * | 1984-03-20 | 1987-06-09 | Applied Spectrum Technologies, Inc. | Data and voice communications system |
| GB2158980B (en) * | 1984-03-23 | 1989-01-05 | Ricoh Kk | Extraction of phonemic information |
| DE3703143A1 (de) * | 1987-02-03 | 1988-08-11 | Thomson Brandt Gmbh | Verfahren zur uebertragung eines audiosignals |
| US5010399A (en) * | 1989-07-14 | 1991-04-23 | Inline Connection Corporation | Video transmission and control system utilizing internal telephone lines |
| US6243446B1 (en) * | 1997-03-11 | 2001-06-05 | Inline Connections Corporation | Distributed splitter for data transmission over twisted wire pairs |
| US5559900A (en) * | 1991-03-12 | 1996-09-24 | Lucent Technologies Inc. | Compression of signals for perceptual quality by selecting frequency bands having relatively high energy |
| US6449377B1 (en) | 1995-05-08 | 2002-09-10 | Digimarc Corporation | Methods and systems for watermark processing of line art images |
| US6983051B1 (en) | 1993-11-18 | 2006-01-03 | Digimarc Corporation | Methods for audio watermarking and decoding |
| US6944298B1 (en) | 1993-11-18 | 2005-09-13 | Digimare Corporation | Steganographic encoding and decoding of auxiliary codes in media signals |
| US5768426A (en) | 1993-11-18 | 1998-06-16 | Digimarc Corporation | Graphics processing system employing embedded code signals |
| US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
| US6611607B1 (en) * | 1993-11-18 | 2003-08-26 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
| US6560349B1 (en) * | 1994-10-21 | 2003-05-06 | Digimarc Corporation | Audio monitoring using steganographic information |
| US7644282B2 (en) | 1998-05-28 | 2010-01-05 | Verance Corporation | Pre-processed information embedding system |
| US6532279B1 (en) * | 1999-06-11 | 2003-03-11 | David D. Goodman | High-speed data communication over a residential telephone wiring network |
| US6737957B1 (en) | 2000-02-16 | 2004-05-18 | Verance Corporation | Remote control signaling using audio watermarks |
| US7024018B2 (en) * | 2001-05-11 | 2006-04-04 | Verance Corporation | Watermark position modulation |
| CA2499967A1 (en) * | 2002-10-15 | 2004-04-29 | Verance Corporation | Media monitoring, management and information system |
| US20060239501A1 (en) | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
| US8020004B2 (en) | 2005-07-01 | 2011-09-13 | Verance Corporation | Forensic marking using a common customization function |
| US8781967B2 (en) * | 2005-07-07 | 2014-07-15 | Verance Corporation | Watermarking in an encrypted domain |
| US20070180418A1 (en) * | 2006-01-30 | 2007-08-02 | Fam Fook T | Clock scheme for circuit arrangement |
| US8259938B2 (en) | 2008-06-24 | 2012-09-04 | Verance Corporation | Efficient and secure forensic marking in compressed |
| US8838977B2 (en) | 2010-09-16 | 2014-09-16 | Verance Corporation | Watermark extraction and content screening in a networked environment |
| US8923548B2 (en) | 2011-11-03 | 2014-12-30 | Verance Corporation | Extraction of embedded watermarks from a host content using a plurality of tentative watermarks |
| US8533481B2 (en) | 2011-11-03 | 2013-09-10 | Verance Corporation | Extraction of embedded watermarks from a host content based on extrapolation techniques |
| US8615104B2 (en) | 2011-11-03 | 2013-12-24 | Verance Corporation | Watermark extraction based on tentative watermarks |
| US8682026B2 (en) | 2011-11-03 | 2014-03-25 | Verance Corporation | Efficient extraction of embedded watermarks in the presence of host content distortions |
| US8745403B2 (en) | 2011-11-23 | 2014-06-03 | Verance Corporation | Enhanced content management based on watermark extraction records |
| US9323902B2 (en) | 2011-12-13 | 2016-04-26 | Verance Corporation | Conditional access using embedded watermarks |
| US9547753B2 (en) | 2011-12-13 | 2017-01-17 | Verance Corporation | Coordinated watermarking |
| US9571606B2 (en) | 2012-08-31 | 2017-02-14 | Verance Corporation | Social media viewing system |
| US8869222B2 (en) | 2012-09-13 | 2014-10-21 | Verance Corporation | Second screen content |
| US8726304B2 (en) | 2012-09-13 | 2014-05-13 | Verance Corporation | Time varying evaluation of multimedia content |
| US20140075469A1 (en) | 2012-09-13 | 2014-03-13 | Verance Corporation | Content distribution including advertisements |
| US9262794B2 (en) | 2013-03-14 | 2016-02-16 | Verance Corporation | Transactional video marking system |
| US9251549B2 (en) | 2013-07-23 | 2016-02-02 | Verance Corporation | Watermark extractor enhancements based on payload ranking |
| US9208334B2 (en) | 2013-10-25 | 2015-12-08 | Verance Corporation | Content management using multiple abstraction layers |
| CN106170988A (zh) | 2014-03-13 | 2016-11-30 | 凡瑞斯公司 | 使用嵌入式代码的交互式内容获取 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870260A (en) * | 1955-11-04 | 1959-01-20 | Bell Telephone Labor Inc | Speech interpolation communication system |
| NL272809A (de) * | 1960-12-27 | |||
| US3471646A (en) * | 1965-02-08 | 1969-10-07 | Motorola Inc | Time division multiplex system with prearranged carrier frequency shifts |
| US3431362A (en) * | 1966-04-22 | 1969-03-04 | Bell Telephone Labor Inc | Voice-excited,bandwidth reduction system employing pitch frequency pulses generated by unencoded baseband signal |
-
1974
- 1974-01-30 US US438124A patent/US3894190A/en not_active Expired - Lifetime
- 1974-02-14 GB GB675374A patent/GB1425155A/en not_active Expired
- 1974-02-20 AU AU65838/74A patent/AU476713B2/en not_active Expired
- 1974-02-26 IE IE00399/74A patent/IE38934B1/xx unknown
- 1974-02-26 NO NO740645A patent/NO139878C/no unknown
- 1974-02-26 CH CH267774A patent/CH575686A5/xx not_active IP Right Cessation
- 1974-02-27 SE SE7402566A patent/SE398186B/xx unknown
- 1974-02-28 CA CA193,694A patent/CA988860A/en not_active Expired
- 1974-02-28 FR FR7406775A patent/FR2219580B1/fr not_active Expired
- 1974-02-28 ES ES423728A patent/ES423728A1/es not_active Expired
- 1974-02-28 NL NL7402688A patent/NL7402688A/xx not_active Application Discontinuation
- 1974-02-28 JP JP2289474A patent/JPS5421047B2/ja not_active Expired
- 1974-03-27 IT IT49734/74A patent/IT1052284B/it active
-
1976
- 1976-08-26 HK HK534/76*UA patent/HK53476A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7402688A (de) | 1974-08-30 |
| IE38934B1 (en) | 1978-07-05 |
| AU476713B2 (en) | 1976-09-30 |
| IT1052284B (it) | 1981-06-20 |
| US3894190A (en) | 1975-07-08 |
| GB1425155A (en) | 1976-02-18 |
| CA988860A (en) | 1976-05-11 |
| NO740645L (no) | 1974-08-29 |
| HK53476A (en) | 1976-09-03 |
| JPS5421047B2 (de) | 1979-07-27 |
| FR2219580B1 (de) | 1979-03-16 |
| AU6583874A (en) | 1975-08-21 |
| NO139878B (no) | 1979-02-12 |
| FR2219580A1 (de) | 1974-09-20 |
| SE398186B (sv) | 1977-12-05 |
| NO139878C (no) | 1979-05-23 |
| ES423728A1 (es) | 1977-01-16 |
| IE38934L (en) | 1974-08-28 |
| JPS5041404A (de) | 1975-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |