FR2857552B1 - Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant - Google Patents
Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondantInfo
- Publication number
- FR2857552B1 FR2857552B1 FR0308579A FR0308579A FR2857552B1 FR 2857552 B1 FR2857552 B1 FR 2857552B1 FR 0308579 A FR0308579 A FR 0308579A FR 0308579 A FR0308579 A FR 0308579A FR 2857552 B1 FR2857552 B1 FR 2857552B1
- Authority
- FR
- France
- Prior art keywords
- reconstituting
- decoding
- frequency
- signal
- low
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
-
- 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
- G10L19/02—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Stereophonic System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0308579A FR2857552B1 (fr) | 2003-07-11 | 2003-07-11 | Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0308579A FR2857552B1 (fr) | 2003-07-11 | 2003-07-11 | Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2857552A1 FR2857552A1 (fr) | 2005-01-14 |
| FR2857552B1 true FR2857552B1 (fr) | 2006-05-05 |
Family
ID=33522995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0308579A Expired - Fee Related FR2857552B1 (fr) | 2003-07-11 | 2003-07-11 | Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2857552B1 (fr) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821475B1 (fr) * | 2001-02-23 | 2003-05-09 | France Telecom | Procede et dispositif de reconstruction spectrale de signaux a plusieurs voies, notamment de signaux stereophoniques |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
-
2003
- 2003-07-11 FR FR0308579A patent/FR2857552B1/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2857552A1 (fr) | 2005-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20130329 |