FI108909B - Hörlurelement och terminal - Google Patents

Hörlurelement och terminal Download PDF

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Publication number
FI108909B
FI108909B FI963173A FI963173A FI108909B FI 108909 B FI108909 B FI 108909B FI 963173 A FI963173 A FI 963173A FI 963173 A FI963173 A FI 963173A FI 108909 B FI108909 B FI 108909B
Authority
FI
Finland
Prior art keywords
speech
signal
user
microphone
ear
Prior art date
Application number
FI963173A
Other languages
English (en)
Finnish (fi)
Other versions
FI963173A0 (sv
FI963173A (sv
Inventor
Jarmo Hietanen
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Priority to FI963173A priority Critical patent/FI108909B/sv
Publication of FI963173A0 publication Critical patent/FI963173A0/sv
Priority to US08/906,371 priority patent/US6415034B1/en
Publication of FI963173A publication Critical patent/FI963173A/sv
Application granted granted Critical
Publication of FI108909B publication Critical patent/FI108909B/sv

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17815—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the reference signals and the error signals, i.e. primary path
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17827—Desired external signals, e.g. pass-through audio such as music or speech
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • 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
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Claims (11)

1. Hörelement (11) för att placeras i samband med orat, vilket hörelement omfattar ljudätergivningsmedel (12) för omvandling av en elektrisk signal till en akustisk ljudsignal (12’) och vidare för förmedling av denna till örongängen 5 (10) hos användaren av hörelementet (11), och taldetekteringsmedel (13) för detektering av talet (15’) frän användaren av hörelementet (11) ifrän användarens nämnda samma örongäng (10), kännetecknat av att det omfattar medel (34, 37, 50, 55) för eliminering av de ljud (12') som nämnda ljudätergivningsmedel (12) producerar i örongängen (10) ur de ljud (12’, 15’, 10 17’) som nämnda taldetekteringsmedel (13) detekterar.
2. Hörelement (11) enligt patentkrav 1, kännetecknat av att det dessutom omfattar medel (34, 37, 50, 55) för bestämning av impulsresponsen (56) mellan nämnda ljudätergivningsmedel (12) och nämnda taldetekteringsmedel (13). 15
3. Hörelement (11) enligt patentkrav 1, kännetecknat av att det dessutom omfattar medel (14, 26, 27, 34, 35, 36, 37) för eliminering av externa : ·’ störande ljud (17’) ur de ljud (12’, 15’, 17’) som nämnda taldetekteringsmedel : “ (13) detekterar.
: ·* 4. Hörelement (11) enligt patentkrav 1, kännetecknat av att det dessutom 20 omfattar medel (34, 37, 38, 131-137) för separering av de ljudsignaler (12') ‘ som nämnda ljudätergivningsmedel (12) producerar och de ljudsignaler (15’, 12’, 17’) som nämnda taldetekteringsmedel (13) detekterar frän varandra.
•»* ·» ·;*’ 5. Hörelement (11) enligt patentkrav 1, kännetecknat av att det dessutom • omfattar medel (34, 37, 38,131-137) för uppdelning av det frekvensband (62- 25 67) som de ljudsignaler (12‘) som nämnda ljudätergivningsmedel (12) producerar och de ljudsignaler (15’, 12’, 17’) som nämnda : \ i taldetekteringsmedel (13) detekterar i ätminstone tvä delar. 23 108909
6. Hörelement (11) enligt patentkrav 5, kännetecknat av att det dessutom omfattar prediktionsmedel (34, 37, 136) för saknande frekvensband (63, 65, 67) för prediktering av vid nämnda uppdelning av frekvensbanden (62-67) uppstädda saknande frekvensband (63, 65, 67).
7. Terminalarrangemang (120), vilket terminalarrangemang omfattar en terminal (121), vilken terminal (121) omfattar medel (122) för dubbelriktad förmedling av meddelanden, samt ett separat hörelement (11) för att placeras i samband med orat, vilket hörelement (11) omfattar ljudätergivningsmedel (12) för omvandling av en elektrisk signal till en akustisk ljudsignal (12’) och vidare för 10 förmedling av denna tili örongängen (10) hos användaren av hörelementet (11), och taldetekteringsmedel (13) för detektering av talet (15') frän användaren av hörelementet (11) ifrän nämnda samma örongäng (10) hos användaren av hörelementet (11), kännetecknat av att det omfattar medel (34, 37, 50, 55) för eliminering av de ljud (12‘) som nämnda 15 ljudätergivningsmedel (12) producerar i örongängen (10) ur de ljud (12’, 15’, 17’) som nämnda taldetekteringsmedel (13) detekterar.
8. Terminal (100, 110), vilken terminal omfattar medel för dubbelriktad förmedling av meddelanden, ljudätergivningsmedel (12) för omvandling av en elektrisk signal till en akustisk ljudsignal (12’) och vidare för förmedling av ,,,· 20 denna tili örongängen (10) hos användaren av terminalen (100, 110) samt * · taldetekteringsmedel (13) för detektering av tai (15’), kännetecknad av att nämnda ljudätergivningsmedel (12) och nämnda taldetekteringsmedel (13) i :terminalen är anordnade närä varandra för placering av dem bäda samtidigt i samband med användarens ett och samma öra, och terminalen omfattar : · 25 dessutom medel (34, 37, 50, 55) för eliminering av de ljud (12’) som nämnda ljudätergivningsmedel (12) producerar i örongängen ur de ljud (12’, 15’, 17’) v. som nämnda taldetekteringsmedel (13) detekterar.
9. Terminal (100, 110) enligt patentkrav 8, kännetecknad av att en del av ; ; terminalens (100, 110) användargränssnitt (101, 102, 103) är placerad i en ‘ : 30 separat styrenhet (118) och att nämnda styrenhet (118) och terminalen (110) 24 108909 är anordnade att förmedla information mellan varandra genom ätminstone ett av följande kommunikationsmetoder: trädbaserad kommunikations- förbindelse (40) ooh trädlös kommunikationsförbindelse (114, 115).
10. Förfarande för ätergivning av ljud i en persons öra (10) ooh för detektering av 5 användarens tai (15’), vid vilket förfarande leds en första ljudsignal (12‘) in i orat, detekteras en andra ljudsignal (12’, 15’ 17’) ifrän nämnda samma öra (10) för detektering av en talsignal (15‘) som genom huvudet förmedlas frän personens stämband (15) tili örongängen (10) som respons pä att användaren talar, kännetecknat av att ur nämnda andra ljudsignal (12’, 15’ 10 17’) elimineras en del av den störning som den första ljudsignalen (12’) förorsakar i orat.
11. Förfarande enligt patentkrav 10, kännetecknat av att man för eliminering av en av en extern störningskälla (17) i örongängen förorsakad störande signal (171) ur nämnda detekterade andra ljudsignal (12', 15', 17') med hjälp av en 15 defektmikrofon (14) minskar den detekterade störande signalens (17') päverkan för förbättring av detektionen av talsignalen (15'). I *' i ,,, ! · · * * » » · · • » • · » * * *
FI963173A 1996-08-13 1996-08-13 Hörlurelement och terminal FI108909B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI963173A FI108909B (sv) 1996-08-13 1996-08-13 Hörlurelement och terminal
US08/906,371 US6415034B1 (en) 1996-08-13 1997-08-04 Earphone unit and a terminal device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI963173A FI108909B (sv) 1996-08-13 1996-08-13 Hörlurelement och terminal
FI963173 1996-08-13

Publications (3)

Publication Number Publication Date
FI963173A0 FI963173A0 (sv) 1996-08-13
FI963173A FI963173A (sv) 1998-02-14
FI108909B true FI108909B (sv) 2002-04-15

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ID=8546485

Family Applications (1)

Application Number Title Priority Date Filing Date
FI963173A FI108909B (sv) 1996-08-13 1996-08-13 Hörlurelement och terminal

Country Status (2)

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US (1) US6415034B1 (sv)
FI (1) FI108909B (sv)

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