CN118176742A - 音响信号输出装置 - Google Patents

音响信号输出装置 Download PDF

Info

Publication number
CN118176742A
CN118176742A CN202180103928.0A CN202180103928A CN118176742A CN 118176742 A CN118176742 A CN 118176742A CN 202180103928 A CN202180103928 A CN 202180103928A CN 118176742 A CN118176742 A CN 118176742A
Authority
CN
China
Prior art keywords
acoustic signal
sound
signal output
acoustic
emitted
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.)
Pending
Application number
CN202180103928.0A
Other languages
English (en)
Chinese (zh)
Inventor
千叶大将
加古达也
小林和则
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of CN118176742A publication Critical patent/CN118176742A/zh
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CN202180103928.0A 2021-11-09 2021-11-09 音响信号输出装置 Pending CN118176742A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/041124 WO2023084575A1 (ja) 2021-11-09 2021-11-09 音響信号出力装置

Publications (1)

Publication Number Publication Date
CN118176742A true CN118176742A (zh) 2024-06-11

Family

ID=86335255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180103928.0A Pending CN118176742A (zh) 2021-11-09 2021-11-09 音响信号输出装置

Country Status (5)

Country Link
EP (1) EP4432695A4 (https=)
JP (1) JP7697525B2 (https=)
KR (2) KR20250172708A (https=)
CN (1) CN118176742A (https=)
WO (1) WO2023084575A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010103813A (ko) * 2001-08-24 2001-11-24 김성일 저음 반사형 헤드폰
US7499555B1 (en) * 2002-12-02 2009-03-03 Plantronics, Inc. Personal communication method and apparatus with acoustic stray field cancellation
JP2015080183A (ja) * 2013-10-16 2015-04-23 大串 正彦 ハウリング防止構造を持つイヤホン
WO2020220724A1 (zh) * 2019-04-30 2020-11-05 深圳市韶音科技有限公司 一种声学输出装置
US10609465B1 (en) * 2018-10-04 2020-03-31 Bose Corporation Acoustic device
US11706552B2 (en) * 2019-09-02 2023-07-18 Bose Corporation Open audio device

Also Published As

Publication number Publication date
KR20250172708A (ko) 2025-12-09
JP7697525B2 (ja) 2025-06-24
JPWO2023084575A1 (https=) 2023-05-19
KR20240074817A (ko) 2024-05-28
WO2023084575A1 (ja) 2023-05-19
EP4432695A4 (en) 2025-09-17
EP4432695A1 (en) 2024-09-18
KR102890630B1 (ko) 2025-11-25

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Country or region after: Japan

Address after: Tokyo, Japan

Applicant after: Entiti Corp.

Address before: Tokyo, Japan

Applicant before: NIPPON TELEGRAPH AND TELEPHONE Corp.

Country or region before: Japan

CB02 Change of applicant information