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Beamed linear array microphone system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04R-003/00
출원번호 US-0099437 (1993-07-30)
발명자 / 주소
  • Crow Robert P. (4725 Bywood Ct. Colorado Springs CO 80906)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

A sound enhancement system including a beamed linear array microphone system for the acoustic pickup of voice and music from substantial distances with a relatively narrow sound pickup beam and with the avoidance of acoustic feedback. The acceptance beam angle is relatively constant over the desired

대표청구항

A sound enhancement system comprising: a linear end-fire microphone array comprising a plurality of microphone elements disposed along the longitudinal axis of said array and having predetermined longitudinal spacings therebetween, said array being spaced from a sound source and having its longitudi

이 특허를 인용한 특허 (39)

  1. Ishibashi, Toshiaki; Kobayashi, Chikara; Suzuki, Kazumasa, Audio conference apparatus.
  2. Ishibashi, Toshiaki; Kobayashi, Chikara; Suzuki, Kazumasa, Audio conference device.
  3. Belt,Harm J. W.; Janse,Cornelis P., Audio processing arrangement with multiple sources.
  4. Ishibashi, Toshiaki; Tanaka, Ryo; Ukai, Satoshi, Conference apparatus.
  5. Soede,Willem; Schulein,Robert B.; Matzen,Norman P.; Horsten,Roland, Directional microphone array system.
  6. Marash Joseph,ILX, Dual-processing interference cancelling system and method.
  7. Oxford, William V., Forming beams with nulls directed at noise sources.
  8. Oxford, William V.; Varadarajan, Vijay, Hybrid beamforming.
  9. Ucar Melih,MXX, Method and apparatus for restricting microphone acceptance angle.
  10. Oxford, William V., Microphone and speaker arrangement in speakerphone.
  11. Sorensen, Ole Moller, Microphone aperture.
  12. Bodley Martin Reed ; Lyman Steve R. ; Smith Ian Paul, Microphone array.
  13. Kubota, Hiroshi; Jonan, Tomohiro, Microphone array including at least three microphone units.
  14. Matsuo, Naoshi, Microphone array system.
  15. Rung, Martin, Microphone array with high directivity.
  16. Oxford, William V.; Kellar, Kevin Patrick, Microphone orientation and size in a speakerphone.
  17. Ishibashi, Toshiaki; Suzuki, Satoshi; Tanaka, Ryo; Ukai, Satoshi, Remote conference apparatus and sound emitting/collecting apparatus.
  18. Yoshizawa, Shinichi; Nakatoh, Yoshihisa, Sound source position detector.
  19. Metcalf, Randall B., Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources.
  20. Metcalf, Randall B., Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources.
  21. Metcalf,Randall B., Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources.
  22. Metcalf Randall B., Sound system and method for creating a sound event based on a modeled sound field.
  23. Metcalf, Randall B., Sound system and method for creating a sound event based on a modeled sound field.
  24. Metcalf, Randall B., Sound system and method for creating a sound event based on a modeled sound field.
  25. Metcalf, Randall B., Sound system and method for creating a sound event based on a modeled sound field.
  26. Metcalf,Randall B., Sound system and method for creating a sound event based on a modeled sound field.
  27. Randall B. Metcalf, Sound system and method for creating a sound event based on a modeled sound field.
  28. Oxford, William V., Speakerphone.
  29. Oxford, William V., Speakerphone self calibration and beam forming.
  30. Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
  31. Marash Joseph,ILX, System and method for adaptive interference cancelling.
  32. Metcalf, Randall B., System and method for generating sound events.
  33. Metcalf, Randall B., System and method for integral transference of acoustical events.
  34. Metcalf,Randall B., System and method for integral transference of acoustical events.
  35. Joseph Marash IL; Baruch Berdugo IL, System, method and apparatus for cancelling noise.
  36. Oxford, William V., Tracking talkers using virtual broadside scan and directed beams.
  37. Oxford, William V., Updating modeling information based on offline calibration experiments.
  38. Oxford, William V., Updating modeling information based on online data gathering.
  39. Saito, Kosuke; Osakabe, Katsuichi; Aoshima, Shinji; Ishibashi, Toshiaki; Suenaga, Yuichiro; Kobayashi, Chikara, Voice signal transmitting/receiving apparatus.
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