PL3518233T3 - Backward-compatible integration of high frequency reconstruction techniques for audio signals - Google Patents
Backward-compatible integration of high frequency reconstruction techniques for audio signalsInfo
- Publication number
- PL3518233T3 PL3518233T3 PL19153875T PL19153875T PL3518233T3 PL 3518233 T3 PL3518233 T3 PL 3518233T3 PL 19153875 T PL19153875 T PL 19153875T PL 19153875 T PL19153875 T PL 19153875T PL 3518233 T3 PL3518233 T3 PL 3518233T3
- Authority
- PL
- Poland
- Prior art keywords
- backward
- high frequency
- audio signals
- reconstruction techniques
- frequency reconstruction
- Prior art date
Links
- 230000010354 integration Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 1
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
-
- 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
- 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
-
- 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
- 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18153683 | 2018-01-26 | ||
| EP19153875.0A EP3518233B1 (en) | 2018-01-26 | 2019-01-28 | Backward-compatible integration of high frequency reconstruction techniques for audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3518233T3 true PL3518233T3 (en) | 2021-08-16 |
Family
ID=61054251
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22181854.5T PL4099325T3 (en) | 2018-01-26 | 2019-01-28 | BACKWARD COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS |
| PL22189216.9T PL4120261T3 (en) | 2018-01-26 | 2019-01-28 | INTEGRATION OF BACKWARD COMPATIBLE HIGH FREQUENCY AUDIO SIGNAL RECONSTRUCTION TECHNIQUES |
| PL21164481.0T PL3872809T3 (en) | 2018-01-26 | 2019-01-28 | Backward-compatible integration of high frequency reconstruction techniques for audio signals |
| PL19153875T PL3518233T3 (en) | 2018-01-26 | 2019-01-28 | Backward-compatible integration of high frequency reconstruction techniques for audio signals |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22181854.5T PL4099325T3 (en) | 2018-01-26 | 2019-01-28 | BACKWARD COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TECHNIQUES FOR AUDIO SIGNALS |
| PL22189216.9T PL4120261T3 (en) | 2018-01-26 | 2019-01-28 | INTEGRATION OF BACKWARD COMPATIBLE HIGH FREQUENCY AUDIO SIGNAL RECONSTRUCTION TECHNIQUES |
| PL21164481.0T PL3872809T3 (en) | 2018-01-26 | 2019-01-28 | Backward-compatible integration of high frequency reconstruction techniques for audio signals |
Country Status (6)
| Country | Link |
|---|---|
| EP (7) | EP4303871A3 (en) |
| DK (4) | DK3518233T3 (en) |
| ES (4) | ES2924955T3 (en) |
| FI (2) | FI4099325T3 (en) |
| HU (4) | HUE062211T2 (en) |
| PL (4) | PL4099325T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113032B (en) * | 2020-01-10 | 2024-08-09 | 华为技术有限公司 | Audio encoding and decoding method and audio encoding and decoding device |
| CN113192523B (en) * | 2020-01-13 | 2024-07-16 | 华为技术有限公司 | Audio encoding and decoding method and audio encoding and decoding equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI856342B (en) * | 2015-03-13 | 2024-09-21 | 瑞典商杜比國際公司 | Audio processing unit, method for decoding an encoded audio bitstream, and non-transitory computer readable medium |
-
2019
- 2019-01-28 DK DK19153875.0T patent/DK3518233T3/en active
- 2019-01-28 ES ES21164481T patent/ES2924955T3/en active Active
- 2019-01-28 HU HUE22181854A patent/HUE062211T2/en unknown
- 2019-01-28 EP EP23210525.4A patent/EP4303871A3/en active Pending
- 2019-01-28 HU HUE22189216A patent/HUE065166T2/en unknown
- 2019-01-28 EP EP19153875.0A patent/EP3518233B1/en active Active
- 2019-01-28 EP EP23210524.7A patent/EP4303870A3/en active Pending
- 2019-01-28 HU HUE21164481A patent/HUE059669T2/en unknown
- 2019-01-28 PL PL22181854.5T patent/PL4099325T3/en unknown
- 2019-01-28 EP EP21164481.0A patent/EP3872809B1/en active Active
- 2019-01-28 FI FIEP22181854.5T patent/FI4099325T3/en active
- 2019-01-28 DK DK22189216.9T patent/DK4120261T3/en active
- 2019-01-28 PL PL22189216.9T patent/PL4120261T3/en unknown
- 2019-01-28 PL PL21164481.0T patent/PL3872809T3/en unknown
- 2019-01-28 EP EP23210523.9A patent/EP4303869A3/en active Pending
- 2019-01-28 ES ES22189216T patent/ES2969225T3/en active Active
- 2019-01-28 EP EP22181854.5A patent/EP4099325B1/en active Active
- 2019-01-28 DK DK21164481.0T patent/DK3872809T3/en active
- 2019-01-28 PL PL19153875T patent/PL3518233T3/en unknown
- 2019-01-28 ES ES19153875T patent/ES2871872T3/en active Active
- 2019-01-28 FI FIEP22189216.9T patent/FI4120261T3/en active
- 2019-01-28 ES ES22181854T patent/ES2948839T3/en active Active
- 2019-01-28 EP EP22189216.9A patent/EP4120261B1/en active Active
- 2019-01-28 DK DK22181854.5T patent/DK4099325T3/en active
- 2019-01-28 HU HUE19153875A patent/HUE054531T2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI4099325T3 (en) | 2023-06-13 |
| FI4120261T3 (en) | 2024-01-12 |
| EP3518233A1 (en) | 2019-07-31 |
| PL4099325T3 (en) | 2023-08-14 |
| ES2969225T3 (en) | 2024-05-17 |
| DK4120261T3 (en) | 2024-01-22 |
| ES2924955T3 (en) | 2022-10-11 |
| HUE065166T2 (en) | 2024-05-28 |
| EP4303870A2 (en) | 2024-01-10 |
| DK3518233T3 (en) | 2021-05-10 |
| EP3518233B1 (en) | 2021-04-07 |
| EP4099325B1 (en) | 2023-05-17 |
| ES2871872T3 (en) | 2021-11-02 |
| EP3872809A1 (en) | 2021-09-01 |
| PL3872809T3 (en) | 2022-09-26 |
| EP4099325A1 (en) | 2022-12-07 |
| EP4120261B1 (en) | 2023-11-29 |
| EP4120261A1 (en) | 2023-01-18 |
| PL4120261T3 (en) | 2024-03-25 |
| EP3872809B1 (en) | 2022-07-27 |
| EP4303871A3 (en) | 2024-03-20 |
| HUE062211T2 (en) | 2023-10-28 |
| EP4303869A3 (en) | 2024-03-20 |
| EP4303870A3 (en) | 2024-03-20 |
| DK4099325T3 (en) | 2023-06-19 |
| ES2948839T3 (en) | 2023-09-20 |
| HUE059669T2 (en) | 2022-12-28 |
| HUE054531T2 (en) | 2021-09-28 |
| EP4303871A2 (en) | 2024-01-10 |
| DK3872809T3 (en) | 2022-08-22 |
| EP4303869A2 (en) | 2024-01-10 |
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