CA2461148A1 - Systeme et methode d'embrouillage acoustique adaptatif - Google Patents

Systeme et methode d'embrouillage acoustique adaptatif Download PDF

Info

Publication number: CA2461148A1
Authority: CA; Canada
Prior art keywords: sound; frequency; signal; noise; spectrum
Prior art date: 2004-01-27
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.): Abandoned

Application number

CA002461148A

Other languages

English (en)

Inventor

Rafik Goubran

Radamis Botros

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

2004-01-27

Filing date

2004-01-27

Publication date

2005-07-27

2004-01-27 Application filed by Individual filed Critical Individual

2004-01-27 Priority to CA002461148A priority Critical patent/CA2461148A1/fr

2005-07-27 Publication of CA2461148A1 publication Critical patent/CA2461148A1/fr

Status Abandoned legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 17
230000003044 adaptive effect Effects 0.000 title claims abstract description 9
238000001228 spectrum Methods 0.000 claims abstract description 25
230000000873 masking effect Effects 0.000 claims abstract description 21
238000001914 filtration Methods 0.000 claims description 4
238000000638 solvent extraction Methods 0.000 claims 3
230000002452 interceptive effect Effects 0.000 description 5
238000005192 partition Methods 0.000 description 5
238000002474 experimental method Methods 0.000 description 4
238000005070 sampling Methods 0.000 description 4
238000007493 shaping process Methods 0.000 description 4
238000013459 approach Methods 0.000 description 2
238000013461 design Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000012545 processing Methods 0.000 description 2
230000004044 response Effects 0.000 description 2
238000007789 sealing Methods 0.000 description 2
230000005236 sound signal Effects 0.000 description 2
230000005540 biological transmission Effects 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000003595 spectral effect Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/1752—Masking
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
- 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
- G10L21/0208—Noise filtering
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)

CA002461148A 2004-01-27 2004-01-27 Systeme et methode d'embrouillage acoustique adaptatif Abandoned CA2461148A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002461148A CA2461148A1 (fr)	2004-01-27	2004-01-27	Systeme et methode d'embrouillage acoustique adaptatif

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA002461148A CA2461148A1 (fr)	2004-01-27	2004-01-27	Systeme et methode d'embrouillage acoustique adaptatif

Publications (1)

Publication Number	Publication Date
CA2461148A1 true CA2461148A1 (fr)	2005-07-27

Family

ID=34812815

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002461148A Abandoned CA2461148A1 (fr)	2004-01-27	2004-01-27	Systeme et methode d'embrouillage acoustique adaptatif

Country Status (1)

Country	Link
CA (1)	CA2461148A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014111365A1 (de) *	2014-08-08	2016-02-11	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Verfahren zur Senkung der Verständlichkeit von Sprachsignalen und Trennbauteil zur Beeinflussung der Schallübertragung

2004
- 2004-01-27 CA CA002461148A patent/CA2461148A1/fr not_active Abandoned

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014111365A1 (de) *	2014-08-08	2016-02-11	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Verfahren zur Senkung der Verständlichkeit von Sprachsignalen und Trennbauteil zur Beeinflussung der Schallübertragung

Similar Documents

Publication	Publication Date	Title
EP0707763B1 (fr)	2001-08-29	Reduction de bruits de fond pour l'amelioration de la qualite de voix
CA2361544C (fr)	2008-10-14	Processeur de son d'optimisation de plage dynamique adaptative
TWI463817B (zh)	2014-12-01	可適性智慧雜訊抑制系統及方法
US10389321B2 (en)	2019-08-20	Methods and apparatus for adjusting a level of an audio signal
US7242783B1 (en)	2007-07-10	Audio limiting circuit
US9735746B2 (en)	2017-08-15	Automatic loudness control
EP2002429A1 (fr)	2008-12-17	Calcul et ajustement de la sonie perçue et/ou de la balance spectrale perçue d'un signal audio
JP5216125B2 (ja)	2013-06-19	動的音響最適化方法および装置
EP2693636A1 (fr)	2014-02-05	Contrôle automatique de la sonie
EP2693635A1 (fr)	2014-02-05	Contrôle automatique de la sonie
US20040125962A1 (en)	2004-07-01	Method and apparatus for dynamic sound optimization
US20040146168A1 (en)	2004-07-29	Adaptive sound scrambling system and method
EP2693637A1 (fr)	2014-02-05	Contrôle automatique de la sonie
US5825754A (en)	1998-10-20	Filter and process for reducing noise in audio signals
CA2461148A1 (fr)	2005-07-27	Systeme et methode d'embrouillage acoustique adaptatif
US11694708B2 (en)	2023-07-04	Audio device and method of audio processing with improved talker discrimination
WO2022232682A1 (fr)	2022-11-03	Apprentissage passif de trajet de pièce sous-audible par modélisation de bruit
TH30855A (th)	1998-11-10	วิธีการปรับการสนองตอบต่อเสียงโดยอัตโนมัติ เพื่อความสามารถในการรับฟังข้อความที่มีการปรับปรุงแล้ว
TH30538B (th)	2011-08-30	วิธีการปรับการสนองตอบต่อเสียงโดยอัตโนมัติ เพื่อความสามารถในการรับฟังข้อความที่มีการปรับปรุงแล้ว

Legal Events

Date	Code	Title	Description
2010-01-27	FZDE	Dead