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Background noise compensation in a telephone network 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-009/08
출원번호 US-0175095 (1993-12-29)
발명자 / 주소
  • Allen Jonathan B. (Mountainside NJ) Youtkus Donald J. (Scotch Plains NJ)
출원인 / 주소
  • AT&T Corp. (Murray Hill NJ 02)
인용정보 피인용 횟수 : 47  인용 특허 : 0

초록

An automated method for modifying a speech signal in a telephone network by applying a gain factor which is a function of the level of background noise at a given destination, and transmitting the modified speech signal to the destination. The gain applied may be a function of both the background no

대표청구항

A method of processing an original speech signal in a telephone network to produce a modified speech signal, the modified speech signal for use at a destination having background noise thereat, the method comprising the steps of: receiving from the destination a background-noise-indicative signal in

이 특허를 인용한 특허 (47)

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  2. Short, Shannon M.; Hartselle, William A.; Meadows, Vernon, Ambient noise cancellation for voice communication device.
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  10. Stenmark,Fredrik, Communication terminals with a dual use speaker for sensing background noise and generating sound, and related methods and computer program products.
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  12. Falcon, Stephen Russell, Dynamic volume control.
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  16. Jones, Douglas L.; Lockwood, Michael E.; Bilger, Robert C.; Bilger, legal representative, Carolyn T.; Feng, Albert S.; Lansing, Charissa R.; O'Brien, William D.; Wheeler, Bruce C.; Elledge, Mark; Liu, Chen, Interference suppression techniques.
  17. Diethorn, Eric John, Managing the audio-signal loss plan of a telecommunications network.
  18. Begeja Lee ; Creswell Carroll W. ; Furman Daniel Selig ; Haller Michael Joseph ; McMaster John A. ; Songrady John C. ; Wasilewski Thomas ; Youtkus Donald Joseph, Method and apparatus for applying multiple speech processing features to a telephone call.
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  29. Deville Yannick,FRX, Signal-source characterization system.
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  31. Watanabe, Mitsuaki, Sound processing to produce target volume level.
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  33. Cox, Richard Vandervoort; Martin, Rainer, Speech enhancement with gain limitations based on speech activity.
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  35. Kaufholz,Paul A. P., Speech recognition apparatus having multiple audio inputs to cancel background noise from input speech.
  36. Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
  37. Marash Joseph,ILX, System and method for adaptive interference cancelling.
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  40. Feng, Albert S.; Lockwood, Michael E.; Jones, Douglas L.; Bilger, legal representative, Carolyn J.; Lansing, Charissa R.; O'Brien, William D.; Wheeler, Bruce C.; Bilger, Robert C., Systems and methods for interference suppression with directional sensing patterns.
  41. Feng,Albert S.; Lockwood,Michael E.; Jones,Douglas L.; Bilger, legal representative,Carolyn J.; Lansing,Charissa R.; O'Brien,William D.; Wheeler,Bruce C.; Bilger, deceased,Robert C., Systems and methods for interference-suppression with directional sensing patterns.
  42. Visser, Erik; Toman, Jeremy, Systems, methods, apparatus, and computer program products for enhanced intelligibility.
  43. Toman, Jeremy; Lin, Hung Chun; Visser, Erik, Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement.
  44. Lee, Te-Won; Park, Hyun Jin; Toman, Jeremy, Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation.
  45. Park, Hyun Jin; Visser, Erik; Shin, Jongwon; Chan, Kwokleung; Gupta, Samir K; Schevciw, Andre Gustavo P.; Li, Ren; Toman, Jeremy P., Systems, methods, devices, apparatus, and computer program products for audio equalization.
  46. Imai Yukihiro,JPX, Telecommunication apparatus capable of controlling audio output level in response to a background noise.
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