GB2414646B - Optimal quantiser for an audio signal - Google Patents
Optimal quantiser for an audio signalInfo
- Publication number
- GB2414646B GB2414646B GB0407392A GB0407392A GB2414646B GB 2414646 B GB2414646 B GB 2414646B GB 0407392 A GB0407392 A GB 0407392A GB 0407392 A GB0407392 A GB 0407392A GB 2414646 B GB2414646 B GB 2414646B
- Authority
- GB
- United Kingdom
- Prior art keywords
- quantiser
- optimal
- audio signal
- audio
- signal
- 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 - Lifetime
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- 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
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0625079A GB2433184B (en) | 2004-03-31 | 2004-03-31 | Optimal quantiser for an audio signal |
GB0407392A GB2414646B (en) | 2004-03-31 | 2004-03-31 | Optimal quantiser for an audio signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0407392A GB2414646B (en) | 2004-03-31 | 2004-03-31 | Optimal quantiser for an audio signal |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0407392D0 GB0407392D0 (en) | 2004-05-05 |
GB2414646A GB2414646A (en) | 2005-11-30 |
GB2414646B true GB2414646B (en) | 2007-05-02 |
Family
ID=32247656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0407392A Expired - Lifetime GB2414646B (en) | 2004-03-31 | 2004-03-31 | Optimal quantiser for an audio signal |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2414646B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1821417B1 (en) * | 2006-02-15 | 2009-12-30 | Sony Deutschland GmbH | Method for classifying a signal |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5206884A (en) * | 1990-10-25 | 1993-04-27 | Comsat | Transform domain quantization technique for adaptive predictive coding |
EP0632597A2 (en) * | 1993-06-29 | 1995-01-04 | Sony Corporation | Audio signal transmitting apparatus and the method thereof |
US6275794B1 (en) * | 1998-09-18 | 2001-08-14 | Conexant Systems, Inc. | System for detecting voice activity and background noise/silence in a speech signal using pitch and signal to noise ratio information |
US6445801B1 (en) * | 1997-11-21 | 2002-09-03 | Sextant Avionique | Method of frequency filtering applied to noise suppression in signals implementing a wiener filter |
-
2004
- 2004-03-31 GB GB0407392A patent/GB2414646B/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5206884A (en) * | 1990-10-25 | 1993-04-27 | Comsat | Transform domain quantization technique for adaptive predictive coding |
EP0632597A2 (en) * | 1993-06-29 | 1995-01-04 | Sony Corporation | Audio signal transmitting apparatus and the method thereof |
US6445801B1 (en) * | 1997-11-21 | 2002-09-03 | Sextant Avionique | Method of frequency filtering applied to noise suppression in signals implementing a wiener filter |
US6275794B1 (en) * | 1998-09-18 | 2001-08-14 | Conexant Systems, Inc. | System for detecting voice activity and background noise/silence in a speech signal using pitch and signal to noise ratio information |
Also Published As
Publication number | Publication date |
---|---|
GB2414646A (en) | 2005-11-30 |
GB0407392D0 (en) | 2004-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20130926 AND 20131002 |
|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20240330 |