EP0285276A3 - Coding of acoustic waveforms - Google Patents
Coding of acoustic waveforms Download PDFInfo
- Publication number
- EP0285276A3 EP0285276A3 EP88302063A EP88302063A EP0285276A3 EP 0285276 A3 EP0285276 A3 EP 0285276A3 EP 88302063 A EP88302063 A EP 88302063A EP 88302063 A EP88302063 A EP 88302063A EP 0285276 A3 EP0285276 A3 EP 0285276A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- phase
- disclosed
- pitch
- coding
- voice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88302063T ATE95936T1 (en) | 1987-04-02 | 1988-03-10 | ENCODING OF ACOUSTIC WAVEFORMS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3409787A | 1987-04-02 | 1987-04-02 | |
US34097 | 1998-03-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0285276A2 EP0285276A2 (en) | 1988-10-05 |
EP0285276A3 true EP0285276A3 (en) | 1989-11-23 |
EP0285276B1 EP0285276B1 (en) | 1993-10-13 |
Family
ID=21874290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88302063A Expired - Lifetime EP0285276B1 (en) | 1987-04-02 | 1988-03-10 | Coding of acoustic waveforms |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0285276B1 (en) |
JP (2) | JP3191926B2 (en) |
AT (1) | ATE95936T1 (en) |
AU (2) | AU612351B2 (en) |
CA (1) | CA1332982C (en) |
DE (1) | DE3884839T2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5029509A (en) * | 1989-05-10 | 1991-07-09 | Board Of Trustees Of The Leland Stanford Junior University | Musical synthesizer combining deterministic and stochastic waveforms |
JPH04150233A (en) * | 1990-10-09 | 1992-05-22 | Matsushita Electric Ind Co Ltd | Signal transmission method |
JP2606756B2 (en) * | 1990-10-22 | 1997-05-07 | 財団法人鉄道総合技術研究所 | Digital signal transmission equipment |
DE4126882A1 (en) * | 1991-08-14 | 1993-02-18 | Philips Patentverwaltung | ARRANGEMENT FOR LANGUAGE TRANSMISSION |
WO1993018505A1 (en) * | 1992-03-02 | 1993-09-16 | The Walt Disney Company | Voice transformation system |
BE1007428A3 (en) * | 1993-08-02 | 1995-06-13 | Philips Electronics Nv | Transmission of reconstruction of missing signal samples. |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
JP2778567B2 (en) * | 1995-12-23 | 1998-07-23 | 日本電気株式会社 | Signal encoding apparatus and method |
US6112169A (en) * | 1996-11-07 | 2000-08-29 | Creative Technology, Ltd. | System for fourier transform-based modification of audio |
US6449592B1 (en) | 1999-02-26 | 2002-09-10 | Qualcomm Incorporated | Method and apparatus for tracking the phase of a quasi-periodic signal |
WO2002003381A1 (en) * | 2000-02-29 | 2002-01-10 | Qualcomm Incorporated | Method and apparatus for tracking the phase of a quasi-periodic signal |
DE60113034T2 (en) * | 2000-06-20 | 2006-06-14 | Koninkl Philips Electronics Nv | SINUSOIDAL ENCODING |
AU2003274617A1 (en) * | 2002-11-29 | 2004-06-23 | Koninklijke Philips Electronics N.V. | Audio coding |
WO2005024783A1 (en) * | 2003-09-05 | 2005-03-17 | Koninklijke Philips Electronics N.V. | Low bit-rate audio encoding |
US8805694B2 (en) | 2009-02-16 | 2014-08-12 | Electronics And Telecommunications Research Institute | Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding |
CN102264022B (en) * | 2010-04-08 | 2014-03-12 | Gn瑞声达公司 | Stability improvements in hearing aids |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986005617A1 (en) * | 1985-03-18 | 1986-09-25 | Massachusetts Institute Of Technology | Processing of acoustic waveforms |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4856068A (en) * | 1985-03-18 | 1989-08-08 | Massachusetts Institute Of Technology | Audio pre-processing methods and apparatus |
-
1988
- 1988-03-01 CA CA000560230A patent/CA1332982C/en not_active Expired - Lifetime
- 1988-03-10 DE DE88302063T patent/DE3884839T2/en not_active Expired - Lifetime
- 1988-03-10 AT AT88302063T patent/ATE95936T1/en not_active IP Right Cessation
- 1988-03-10 EP EP88302063A patent/EP0285276B1/en not_active Expired - Lifetime
- 1988-03-16 AU AU13145/88A patent/AU612351B2/en not_active Ceased
- 1988-03-31 JP JP07665188A patent/JP3191926B2/en not_active Expired - Lifetime
-
1991
- 1991-04-12 AU AU74364/91A patent/AU643769B2/en not_active Ceased
-
2000
- 2000-12-25 JP JP2000393559A patent/JP2001228898A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986005617A1 (en) * | 1985-03-18 | 1986-09-25 | Massachusetts Institute Of Technology | Processing of acoustic waveforms |
Non-Patent Citations (3)
Title |
---|
ICASSP 85 PROCEEDINGS IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, Tampa, 26th-29th March 1985, vol. 2, pages 489-492, IEEE; T.E. QUATIERI et al.: "Speech transformations based on a sinusoidal representation" * |
ICASSP 85 PROCEEDINGS IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, Tampa, 26th-29th March 1985, vol. 3, pages 945-948, IEEE; R.J. McAULAY et al.: "Mid-rate coding based on a sinusoidal representation of speech" * |
ICASSP 87 PROCEEDINGS IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, Dallas, 6th-9th April 1987, vol. 3, pages 1645-1648, IEEE; R.J. McAULAY et al.: "Multirate sinusoidal transform coding at rates from 2.4 KBPS to 8 KBPS" * |
Also Published As
Publication number | Publication date |
---|---|
EP0285276B1 (en) | 1993-10-13 |
AU7436491A (en) | 1991-07-11 |
CA1332982C (en) | 1994-11-08 |
AU1314588A (en) | 1988-10-06 |
AU643769B2 (en) | 1993-11-25 |
AU612351B2 (en) | 1991-07-11 |
ATE95936T1 (en) | 1993-10-15 |
DE3884839D1 (en) | 1993-11-18 |
JP2001228898A (en) | 2001-08-24 |
DE3884839T2 (en) | 1994-05-05 |
EP0285276A2 (en) | 1988-10-05 |
JP3191926B2 (en) | 2001-07-23 |
JPH01221800A (en) | 1989-09-05 |
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