FR3056043B1 - Dispositif de traitement d'un signal audio issu d'un signal radiofrequence - Google Patents

Dispositif de traitement d'un signal audio issu d'un signal radiofrequence Download PDF

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Publication number
FR3056043B1
FR3056043B1 FR1658647A FR1658647A FR3056043B1 FR 3056043 B1 FR3056043 B1 FR 3056043B1 FR 1658647 A FR1658647 A FR 1658647A FR 1658647 A FR1658647 A FR 1658647A FR 3056043 B1 FR3056043 B1 FR 3056043B1
Authority
FR
France
Prior art keywords
audio signal
instantaneous
multipath
ratio
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.)
Active
Application number
FR1658647A
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English (en)
Other versions
FR3056043A1 (fr
Inventor
Jean-Christophe GRZESKOWIAK
Laurent Thery
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.)
Continental Automotive GmbH
Continental Automotive France SAS
Original Assignee
Continental Automotive GmbH
Continental Automotive France SAS
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.)
Filing date
Publication date
Application filed by Continental Automotive GmbH, Continental Automotive France SAS filed Critical Continental Automotive GmbH
Priority to FR1658647A priority Critical patent/FR3056043B1/fr
Priority to US16/332,010 priority patent/US10567020B2/en
Priority to PCT/FR2017/052411 priority patent/WO2018051000A1/fr
Priority to CN201780056646.3A priority patent/CN109690958B/zh
Publication of FR3056043A1 publication Critical patent/FR3056043A1/fr
Application granted granted Critical
Publication of FR3056043B1 publication Critical patent/FR3056043B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)

Abstract

Dispositif de traitement (1) pour un signal audio (8) issu d'un signal radiofréquence (7), comprenant : un capteur de multi-trajet instantané (3) apte à analyser le signal radiofréquence (7) pour déterminer un taux de multi-trajet instantané (9), un bloc filtre instantané (5) apte à atténuer le signal audio (8) selon une atténuation instantanée fonction croissante du taux de multi-trajet instantané (9), comprenant encore un capteur de multi-trajet moyen (4) apte à déterminer un taux de multi-trajet moyen (10), et un bloc filtre moyen (6) apte à atténuer le signal audio (8) selon une atténuation moyenne fonction croissante du taux de multi-trajet moyen (10). L'invention concerne également un récepteur radio comprenant un tel dispositif de traitement (1)
FR1658647A 2016-09-15 2016-09-15 Dispositif de traitement d'un signal audio issu d'un signal radiofrequence Active FR3056043B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1658647A FR3056043B1 (fr) 2016-09-15 2016-09-15 Dispositif de traitement d'un signal audio issu d'un signal radiofrequence
US16/332,010 US10567020B2 (en) 2016-09-15 2017-09-12 Device for processing an audio signal arising from a radiofrequency signal
PCT/FR2017/052411 WO2018051000A1 (fr) 2016-09-15 2017-09-12 Dispositif de traitement d'un signal audio issu d'un signal radiofréquence
CN201780056646.3A CN109690958B (zh) 2016-09-15 2017-09-12 用于处理来自于射频信号的声频信号的装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1658647A FR3056043B1 (fr) 2016-09-15 2016-09-15 Dispositif de traitement d'un signal audio issu d'un signal radiofrequence
FR1658647 2016-09-15

Publications (2)

Publication Number Publication Date
FR3056043A1 FR3056043A1 (fr) 2018-03-16
FR3056043B1 true FR3056043B1 (fr) 2019-02-01

Family

ID=57796444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1658647A Active FR3056043B1 (fr) 2016-09-15 2016-09-15 Dispositif de traitement d'un signal audio issu d'un signal radiofrequence

Country Status (4)

Country Link
US (1) US10567020B2 (fr)
CN (1) CN109690958B (fr)
FR (1) FR3056043B1 (fr)
WO (1) WO2018051000A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62175025A (ja) * 1986-01-25 1987-07-31 Fujitsu Ten Ltd 雑音除去装置
JP3018634B2 (ja) * 1991-09-05 2000-03-13 日本電気株式会社 Ｆｍ雑音低減回路
EP1100208B1 (fr) * 1999-11-08 2011-02-23 Continental Automotive GmbH Récepteur radio un demodulateur monofonique-stérepphonique dépendant de bruit à voies multiples
DE10130233A1 (de) * 2001-06-22 2003-01-02 Bosch Gmbh Robert Verfahren zur Störverdeckung bei digitaler Audiosignalübertragung
JP4151243B2 (ja) * 2001-07-26 2008-09-17 三菱電機株式会社 マルチパスノイズ除去方法および除去装置、ｆｍ受信機
JP2010183171A (ja) * 2009-02-03 2010-08-19 Toshiba Corp 受信機
US8358994B2 (en) * 2009-08-19 2013-01-22 Silicon Laboratories Inc. Mitigating radio receiver multipath noise
US8948407B2 (en) * 2011-06-03 2015-02-03 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
FR3032073B1 (fr) 2015-01-22 2017-02-10 Continental Automotive France Dispositif de traitement d'un signal audio
US9768853B1 (en) * 2016-03-16 2017-09-19 Ibiquity Digital Corporation Method and apparatus for blending an audio signal in an in-band on-channel radio system

Also Published As

Publication number Publication date
US20190215024A1 (en) 2019-07-11
WO2018051000A1 (fr) 2018-03-22
FR3056043A1 (fr) 2018-03-16
CN109690958A (zh) 2019-04-26
CN109690958B (zh) 2021-02-09
US10567020B2 (en) 2020-02-18

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