CA2415424C - Method for error masking of transmission errors in digital audio data - Google Patents
Method for error masking of transmission errors in digital audio data Download PDFInfo
- Publication number
- CA2415424C CA2415424C CA002415424A CA2415424A CA2415424C CA 2415424 C CA2415424 C CA 2415424C CA 002415424 A CA002415424 A CA 002415424A CA 2415424 A CA2415424 A CA 2415424A CA 2415424 C CA2415424 C CA 2415424C
- Authority
- CA
- Canada
- Prior art keywords
- channel
- digital audio
- error
- reception quality
- audio data
- 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
- 238000000034 method Methods 0.000 title claims abstract description 65
- 230000005540 biological transmission Effects 0.000 title claims abstract description 61
- 230000000873 masking effect Effects 0.000 title 1
- 230000004224 protection Effects 0.000 claims abstract description 16
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 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
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Circuits Of Receivers In General (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10034783.5 | 2000-07-18 | ||
| DE10034783A DE10034783A1 (de) | 2000-07-18 | 2000-07-18 | Verfahren zur Fehlerverschleierung von Übertragungsfehlern in digitalen Audiodaten |
| PCT/DE2001/002557 WO2002007149A1 (de) | 2000-07-18 | 2001-07-13 | Verfahren zur fehlerverschleierung von übertragungsfehlern in digitalen audiodaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2415424A1 CA2415424A1 (en) | 2003-01-08 |
| CA2415424C true CA2415424C (en) | 2007-10-02 |
Family
ID=7649242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002415424A Expired - Fee Related CA2415424C (en) | 2000-07-18 | 2001-07-13 | Method for error masking of transmission errors in digital audio data |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1303856B1 (de) |
| JP (1) | JP4813747B2 (de) |
| CA (1) | CA2415424C (de) |
| DE (2) | DE10034783A1 (de) |
| ES (1) | ES2228914T3 (de) |
| WO (1) | WO2002007149A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE527866C2 (sv) * | 2003-12-19 | 2006-06-27 | Ericsson Telefon Ab L M | Kanalsignalmaskering i multikanalsaudiosystem |
| US7835916B2 (en) | 2003-12-19 | 2010-11-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel signal concealment in multi-channel audio systems |
| EP3340498B1 (de) | 2016-12-22 | 2022-07-13 | Nxp B.V. | Empfangspfadqualitätsinformationen |
| EP3340497A1 (de) * | 2016-12-22 | 2018-06-27 | Nxp B.V. | Fehlerverdeckung mit redundanten datenströme |
| WO2021200151A1 (ja) * | 2020-03-30 | 2021-10-07 | ソニーグループ株式会社 | 送信装置、送信方法、受信装置、及び受信方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2507972B2 (ja) * | 1993-08-20 | 1996-06-19 | 日本電気株式会社 | 回線品質監視装置 |
| JPH08242215A (ja) * | 1995-03-06 | 1996-09-17 | Mitsubishi Electric Corp | ディジタル音声放送受信機 |
| JP3345557B2 (ja) * | 1996-10-14 | 2002-11-18 | アルパイン株式会社 | デジタルオーディオ放送受信装置及び受信方法 |
| DE19959037B4 (de) * | 1999-12-08 | 2004-04-29 | Robert Bosch Gmbh | Verfahren zur Dekodierung von digitalen Audiodaten |
-
2000
- 2000-07-18 DE DE10034783A patent/DE10034783A1/de not_active Ceased
-
2001
- 2001-07-13 DE DE50104018T patent/DE50104018D1/de not_active Expired - Lifetime
- 2001-07-13 EP EP01953895A patent/EP1303856B1/de not_active Expired - Lifetime
- 2001-07-13 JP JP2002512969A patent/JP4813747B2/ja not_active Expired - Fee Related
- 2001-07-13 WO PCT/DE2001/002557 patent/WO2002007149A1/de active IP Right Grant
- 2001-07-13 CA CA002415424A patent/CA2415424C/en not_active Expired - Fee Related
- 2001-07-13 ES ES01953895T patent/ES2228914T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4813747B2 (ja) | 2011-11-09 |
| WO2002007149A1 (de) | 2002-01-24 |
| DE10034783A1 (de) | 2002-02-07 |
| CA2415424A1 (en) | 2003-01-08 |
| DE50104018D1 (de) | 2004-11-11 |
| ES2228914T3 (es) | 2005-04-16 |
| JP2004504744A (ja) | 2004-02-12 |
| EP1303856B1 (de) | 2004-10-06 |
| EP1303856A1 (de) | 2003-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160713 |