ES2969225T3 - Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio - Google Patents
Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio Download PDFInfo
- Publication number
- ES2969225T3 ES2969225T3 ES22189216T ES22189216T ES2969225T3 ES 2969225 T3 ES2969225 T3 ES 2969225T3 ES 22189216 T ES22189216 T ES 22189216T ES 22189216 T ES22189216 T ES 22189216T ES 2969225 T3 ES2969225 T3 ES 2969225T3
- Authority
- ES
- Spain
- Prior art keywords
- audio signal
- high frequency
- audio signals
- frequency reconstruction
- reconstruction techniques
- 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.)
- Active
Links
- 230000005236 sound signal Effects 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 5
- 230000010354 integration Effects 0.000 title 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 230000017105 transposition Effects 0.000 abstract 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18153683 | 2018-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2969225T3 true ES2969225T3 (es) | 2024-05-17 |
Family
ID=61054251
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES22189216T Active ES2969225T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
| ES19153875T Active ES2871872T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
| ES22181854T Active ES2948839T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
| ES21164481T Active ES2924955T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES19153875T Active ES2871872T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
| ES22181854T Active ES2948839T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
| ES21164481T Active ES2924955T3 (es) | 2018-01-26 | 2019-01-28 | Integración retrocompatible de técnicas de reconstrucción de alta frecuencia para señales de audio |
Country Status (6)
| Country | Link |
|---|---|
| EP (7) | EP3872809B1 (da) |
| DK (4) | DK4099325T3 (da) |
| ES (4) | ES2969225T3 (da) |
| FI (2) | FI4099325T3 (da) |
| HU (3) | HUE054531T2 (da) |
| PL (4) | PL4120261T3 (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192523A (zh) * | 2020-01-13 | 2021-07-30 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI758146B (zh) * | 2015-03-13 | 2022-03-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
-
2019
- 2019-01-28 EP EP21164481.0A patent/EP3872809B1/en active Active
- 2019-01-28 HU HUE19153875A patent/HUE054531T2/hu unknown
- 2019-01-28 EP EP22189216.9A patent/EP4120261B1/en active Active
- 2019-01-28 DK DK22181854.5T patent/DK4099325T3/da active
- 2019-01-28 EP EP23210523.9A patent/EP4303869A3/en active Pending
- 2019-01-28 ES ES22189216T patent/ES2969225T3/es active Active
- 2019-01-28 EP EP23210525.4A patent/EP4303871A3/en active Pending
- 2019-01-28 DK DK21164481.0T patent/DK3872809T3/da active
- 2019-01-28 PL PL22189216.9T patent/PL4120261T3/pl unknown
- 2019-01-28 PL PL21164481.0T patent/PL3872809T3/pl unknown
- 2019-01-28 EP EP22181854.5A patent/EP4099325B1/en active Active
- 2019-01-28 DK DK22189216.9T patent/DK4120261T3/da active
- 2019-01-28 ES ES19153875T patent/ES2871872T3/es active Active
- 2019-01-28 FI FIEP22181854.5T patent/FI4099325T3/fi active
- 2019-01-28 ES ES22181854T patent/ES2948839T3/es active Active
- 2019-01-28 HU HUE22181854A patent/HUE062211T2/hu unknown
- 2019-01-28 EP EP19153875.0A patent/EP3518233B1/en active Active
- 2019-01-28 FI FIEP22189216.9T patent/FI4120261T3/fi active
- 2019-01-28 PL PL19153875T patent/PL3518233T3/pl unknown
- 2019-01-28 HU HUE21164481A patent/HUE059669T2/hu unknown
- 2019-01-28 PL PL22181854.5T patent/PL4099325T3/pl unknown
- 2019-01-28 EP EP23210524.7A patent/EP4303870A3/en active Pending
- 2019-01-28 ES ES21164481T patent/ES2924955T3/es active Active
- 2019-01-28 DK DK19153875.0T patent/DK3518233T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| DK4120261T3 (da) | 2024-01-22 |
| EP3872809B1 (en) | 2022-07-27 |
| FI4099325T3 (fi) | 2023-06-13 |
| DK4099325T3 (da) | 2023-06-19 |
| HUE059669T2 (hu) | 2022-12-28 |
| EP4120261B1 (en) | 2023-11-29 |
| DK3518233T3 (da) | 2021-05-10 |
| EP4303870A2 (en) | 2024-01-10 |
| EP4099325B1 (en) | 2023-05-17 |
| HUE054531T2 (hu) | 2021-09-28 |
| EP4303871A3 (en) | 2024-03-20 |
| EP3872809A1 (en) | 2021-09-01 |
| FI4120261T3 (fi) | 2024-01-12 |
| HUE062211T2 (hu) | 2023-10-28 |
| PL3518233T3 (pl) | 2021-08-16 |
| EP4303871A2 (en) | 2024-01-10 |
| EP3518233A1 (en) | 2019-07-31 |
| ES2948839T3 (es) | 2023-09-20 |
| EP4120261A1 (en) | 2023-01-18 |
| ES2871872T3 (es) | 2021-11-02 |
| EP4303869A3 (en) | 2024-03-20 |
| ES2924955T3 (es) | 2022-10-11 |
| EP3518233B1 (en) | 2021-04-07 |
| PL3872809T3 (pl) | 2022-09-26 |
| EP4303869A2 (en) | 2024-01-10 |
| EP4303870A3 (en) | 2024-03-20 |
| PL4120261T3 (pl) | 2024-03-25 |
| PL4099325T3 (pl) | 2023-08-14 |
| EP4099325A1 (en) | 2022-12-07 |
| DK3872809T3 (da) | 2022-08-22 |
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