FI107477B - Menetelmä signaalien erottamiseksi toisistaan ja suodatin - Google Patents
Menetelmä signaalien erottamiseksi toisistaan ja suodatin Download PDFInfo
- Publication number
- FI107477B FI107477B FI992708A FI992708A FI107477B FI 107477 B FI107477 B FI 107477B FI 992708 A FI992708 A FI 992708A FI 992708 A FI992708 A FI 992708A FI 107477 B FI107477 B FI 107477B
- Authority
- FI
- Finland
- Prior art keywords
- signal
- period
- filter
- signal period
- model
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 28
- 230000000737 periodic effect Effects 0.000 claims description 52
- 238000005070 sampling Methods 0.000 claims description 18
- 230000005236 sound signal Effects 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 15
- 230000006978 adaptation Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000002238 attenuated effect Effects 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 108010076504 Protein Sorting Signals Proteins 0.000 description 13
- 238000012545 processing Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 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
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 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
- 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
- G10L21/0272—Voice signal separating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/005—Reducing noise, e.g. humm, from the supply
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Noise Elimination (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI992708A FI107477B (fi) | 1999-12-16 | 1999-12-16 | Menetelmä signaalien erottamiseksi toisistaan ja suodatin |
| EP00660128A EP1130831B1 (fr) | 1999-12-16 | 2000-07-14 | Méthode et filtre pour la sépareration de signaux périodiques |
| DE60002823T DE60002823T2 (de) | 1999-12-16 | 2000-07-14 | Verfahren und Filter zur Unterscheidung von periodischen Signale |
| US09/619,905 US6847689B1 (en) | 1999-12-16 | 2000-07-19 | Method for distinguishing signals from one another, and filter |
| JP2000269606A JP2001186066A (ja) | 1999-12-16 | 2000-09-06 | 信号を互いに識別する方法とフィルタ |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI992708 | 1999-12-16 | ||
| FI992708A FI107477B (fi) | 1999-12-16 | 1999-12-16 | Menetelmä signaalien erottamiseksi toisistaan ja suodatin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI107477B true FI107477B (fi) | 2001-08-15 |
Family
ID=8555760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI992708A FI107477B (fi) | 1999-12-16 | 1999-12-16 | Menetelmä signaalien erottamiseksi toisistaan ja suodatin |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6847689B1 (fr) |
| EP (1) | EP1130831B1 (fr) |
| JP (1) | JP2001186066A (fr) |
| DE (1) | DE60002823T2 (fr) |
| FI (1) | FI107477B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8064611B2 (en) * | 2007-04-03 | 2011-11-22 | Texas Instruments Incorporated | Uplink noise cancellation |
| EP2451097A1 (fr) * | 2010-11-05 | 2012-05-09 | Sony Ericsson Mobile Communications AB | Procédé et dispositif pour réduire l'interférence dans un signal audio pendant un appel |
| US8532207B2 (en) | 2011-05-27 | 2013-09-10 | Honeywell International Inc. | Methods and systems for distinguishing a signal of interest from interference signals |
| US8942330B2 (en) * | 2012-01-18 | 2015-01-27 | Baker Hughes Incorporated | Interference reduction method for downhole telemetry systems |
| CN103903632A (zh) * | 2014-04-02 | 2014-07-02 | 重庆邮电大学 | 一种多声源环境下的基于听觉中枢系统的语音分离方法 |
| IT201800005091A1 (it) * | 2018-05-04 | 2019-11-04 | "Procedimento per monitorare lo stato di funzionamento di una stazione di lavorazione, relativo sistema di monitoraggio e prodotto informatico" |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1121496B (it) * | 1979-12-14 | 1986-04-02 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per l effettuazione di misure oggettive di qualita su apparecchiature di trasmissione di segnali fonici |
| US5278777A (en) * | 1989-10-10 | 1994-01-11 | Nicolet Instrument Corporation | Efficient cancelling of AC line interference in electronic instrumentation |
| US5307460A (en) * | 1992-02-14 | 1994-04-26 | Hughes Aircraft Company | Method and apparatus for determining the excitation signal in VSELP coders |
| WO1994008396A1 (fr) * | 1992-10-05 | 1994-04-14 | Commonwealth Scientific And Industrial Research Organisation | Filtrage adaptatif de bruit periodique |
| FR2731854B1 (fr) | 1995-03-14 | 1997-04-25 | Thomson Consumer Electronics | Dispositif de filtrage digital |
| US5920589A (en) | 1995-06-07 | 1999-07-06 | Sanconix Inc. | Direct sequence spread spectrum DSP system |
| US5903819A (en) * | 1996-03-13 | 1999-05-11 | Ericsson Inc. | Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal |
| US5944761A (en) | 1997-06-06 | 1999-08-31 | Honeywell Inc. | Variable periodic disturbance rejection filter |
| US6269093B1 (en) * | 1997-12-16 | 2001-07-31 | Nokia Mobile Phones Limited | Adaptive removal of disturbance in TDMA acoustic peripheral devices |
| AU3218699A (en) * | 1998-03-30 | 1999-10-18 | 3Com Corporation | Low complexity frequency estimator and interference cancellation method and device |
| FI120124B (fi) | 1998-05-29 | 2009-06-30 | Nokia Corp | Menetelmä ja piiri signaalin näytteistämiseksi suurella näytteistystaajuudella |
-
1999
- 1999-12-16 FI FI992708A patent/FI107477B/fi active
-
2000
- 2000-07-14 DE DE60002823T patent/DE60002823T2/de not_active Expired - Lifetime
- 2000-07-14 EP EP00660128A patent/EP1130831B1/fr not_active Expired - Lifetime
- 2000-07-19 US US09/619,905 patent/US6847689B1/en not_active Expired - Fee Related
- 2000-09-06 JP JP2000269606A patent/JP2001186066A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1130831A1 (fr) | 2001-09-05 |
| DE60002823T2 (de) | 2004-04-08 |
| DE60002823D1 (de) | 2003-06-26 |
| EP1130831B1 (fr) | 2003-05-21 |
| JP2001186066A (ja) | 2001-07-06 |
| US6847689B1 (en) | 2005-01-25 |
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