ITE txhais tau tias Hauv Pob Ntseg Mloog Lus, lawv suav nrog ITC, IIC, CIC lub rooj sib hais. Feem ntau ntawm lawv yog me me thiab me me. Vim tias lawv qhov ntau thiab tsawg, peb nyuaj nrhiav lawv thaum tib neeg hnav rau nws. Txawm tias cov ntsej muag me me yuav hnov ​​tau qhov zoo dua, koj yuav pom tias qee qhov loj dua hauv pob ntseg tau yooj yim tso rau hauv qhov chaw lossis tshem tawm tshwj xeeb tshaj yog koj yuav ntsib teeb meem dexterity. Qhov no tuaj yeem ua rau hauv pob ntseg pob ntseg kom yooj yim los ntxuav thiab tswj. Thiab IIC yog lub pob ntseg me tshaj plaws yog li me me lawv zaum sab hauv pob ntseg qhov chaw uas tsis muaj leej twg tuaj yeem pom. ITC lossis CIC lub rooj sib hais yog cov kev daws teeb meem tsis hnov ​​lus zoo. Lawv muaj nyob rau ntawm tus mob me uas haum rau ib feem lossis tag nrho sab hauv lub pob ntseg. Coob tus neeg nyiam qhov no vim tias lawv tuaj yeem siv tau yooj yim hauv xov tooj. Txawm li cas los xij, IIC, CIC thiab ITC cov khoom siv nyuaj los tswj thiab kho vim lawv qhov loj me. Ib qho ntxiv, lawv yuav tsis haum rau hauv pob ntseg me, thiab lawv tsuas yog pom zoo rau cov neeg laus uas tsis hnov ​​lus me me mus rau lub cev tsis hnov ​​lus.

Qhov Sib Txawv nrog BTE Lub Suab Sib Hais
Tsis hais txog ITC, IIC, CIC, txawm tias ITE hnov ​​cov khoom pab, vim tias lawv txoj kev coj hnav, lawv txawv heev nrog BTE style. Coob tus neeg nyiam siv lub pob ntseg uas zaum nkaus hauv pob ntseg. Cov qauv no xa mus rau raws li ITE lossis "Hauv Pob Ntseg" ntaus ntawv. Ntau lab tus tib neeg hnav cov style no nrog txoj kev vam meej. Nws feem ntau yog thawj qhov kev xaiv ntawm lub rooj sib hais tshiab tshiab ntxiv vim tias qee qhov ntawm ITE cov kev xaiv tau pom tias yog cov qauv tsim tsis pom.

Thaum peb haum cov neeg mob BTE "Qab Lub Pob Ntseg" qauv, peb muaj peev xwm muab lub zog ntau dua (ua kom nrov dua ntxiv) rau hauv cov khoom siv pob ntseg. Qhov no feem ntau xav tau vim tias cov neeg mob tsis hnov ​​lus tau nce lub sijhawm. Qhov kev tsim qauv no tseem muaj txiaj ntsig ntxiv ntawm kev tswj cov lus tawm tswv yim (qhov kev txob thuam) uas yog qee zaum ntsib hauv ITE tus qauv.

Kev siv USTE ITE lossis BTE lub pob ntseg pab cuam yog nyob ntawm koj tus kheej cov neeg xav tau kev pab, ITE style yog pom ntau dua thiab BTE style yog ntau dua kev ua kom nrov tab sis pom ntau dua. Feem ntau hais lus, peb xav kom cov menyuam yaus siv hom BTE thiab hom neeg laus siv BTE thiab ITE hom.

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Lub pob ntseg hauv pob ntseg (ITE) cov khoom siv tau hnov ​​(saib daim duab 3-9) tau faib ua ITE-plhaub lub plhaub kom hnov ​​tag nrho cov khoom siv uas nyob hauv tag nrho lub pob ntseg kab raws li lawv qhov chaw nyob hauv pob ntseg. Muaj peb hom ntawm ITE-ib nrab lub plhaub pob ntseg hnov ​​lus thiab ITE-tsis tshua muaj qhov ntsej muag pab cuam hauv qee cov ntsia hlau ntsia hlau. Hauv-lub pob ntseg sib pab
Lub tswb pob ntseg yog nyob rau ntawm cov khoom siv sib luag uas siv ntau tshaj plaws tam sim no, thiab cov khoom siv sib pab xav tau kho kom zoo dua nrog cov plhaub sib txawv raws li lub pob ntseg qauv ntawm cov neeg mob sib txawv.
Kuj tseem muaj qee tus ntsia thawv ntsia hlau pob ntseg los pab kom tiav raws li cov khoom hnov ​​tiav. Qhov luaj li cas ntawm cov khoom siv kho kom hnov ​​lus zoo tau tsau. Tus neeg hnav yuav tsum tau ua kom sib phim pob ntseg pwm, thiab tom qab ntawd rub lub pob ntseg sib txuas hauv pob ntseg pwm thiab coj nws hauv pob ntseg.

Tus qauv yooj yim ntawm hom-hauv-pob ntseg thiab sab hauv-pob ntseg sib txuas yog qhov zoo sib xws, thiab lawv tau muaj cov vaj tsev, microphone, lub suab sib txuas nrog, cov ua pa thiab cov txais khoom (saib Daim Duab 3 -10).
1. lub plhaub
Cov cuab yeej siv hauv pob ntseg thiab hauv pob ntseg yog lub plhaub tau tsim raws li cov duab ntawm tus neeg mob lub pob ntseg (hauv pob ntseg kuj suav nrog lub pob ntseg hauv lub pob ntseg), thiab cov khoom siv kom hnov ​​lus tau nyob rau hauv lub plhaub. Cov khoom siv ntawm cov kis yuav tsum tsis muaj kuab lom, tsis ua rau muaj kev tsis haum, muaj kev ruaj khov nyob rau hauv cov xwm txheej, tsis yooj yim cuam tshuam los ntawm qhov kub thiab txias, thiab lwm yam, tsis yooj yim rau lub hnub nyoog, thiab muaj nplaim du tsis muaj impurities.
Lub ntsej muag hom pob ntseg ntawm lub xov tooj hluav taws xob (analog line) kuj tseem nruab nrog lub suab tswj qhov ntim, cov suab hloov kho cov ntaub ntawv, lub suab tawm ntau kawg tau kho cov ntaub ntawv, thiab cov zoo li, thiab qee qhov cuam tshuam hauv pob ntseg lossis pob ntseg pob ntseg hloov khawm. Tsis tas li ntawd, qee qhov ntsuas pob ntseg kuj tau nruab nrog rub lub zog rau sab nraud, thiab lub suab nrov kuj tau nruab rau ntawm lub suab tso pa tawm.
2. lub microphone

Daim duab: sab hauv pob ntseg sib pab

1-Ntim tswj cov potentiometer
2-Lub Txev Hluav Taws Xob
3-Amplifier
4-Trimmer potentiometer
5-Plhaub
6-Tus txais

Daim duab: Cov qauv hauv pob ntseg hauv pob ntseg thiab pob ntseg


Vim yog daim ntawv loj dua ntawm pob ntseg hauv thiab pob ntseg hauv pob ntseg, ob lub microphones tuaj yeem ntsia tau. Cov pob ntseg puv pob ntseg pob ntseg yog qhov nyuaj rau nruab nrog lub microphones.
3. Kev sib xyaw ua ke hauv Circuit Court
Vim muaj qhov me me ntawm cov khoom siv hluav taws xob thiab qhov nce hauv kev sib ntxiv hauv tshuab hluav taws xob, kev sib txuas ntawm cov tshuab hluav taws xob rau cov khoom siv tau hnov ​​dua. Hauv tshwj xeeb, kev siv cov teeb liab digital, uas tuaj yeem ntxiv ntau lub zog yam tsis muaj cov khoom ntxiv thiab nyob hauv qhov chaw tsawg ntawm cov khoom siv pob ntseg. Qhov no muab cov xwm txheej rau qhov ua kom me dua thiab zoo dua qub hauv-kwj dej lub pob ntseg hnov ​​lus.
4. roj teeb
Cov khoom siv hauv pob ntseg feem ntau siv cov roj teeb A13, cov khoom siv hauv pob ntseg feem ntau siv roj teeb A312, thiab cov khoom siv kho kom hnov ​​lus zoo siv A10 lossis txawm A5 roj teeb.

1. Hloov Pauv Hloov ntawm Feem Ntau Cov Sab Nraud Pob Ntseg Sab Nraud
Qhov resonance zaus ntawm tus neeg laus cov neeg mloog sab nraud yog kwv yees li 2000 txog 4000 Hz. Kev ntsuas qhov nruab nrab yog 3359 Hz rau cov txivneej thiab 3440 Hz rau cov poj niam. Cov neeg laus pob ntseg sab nraud pob ntseg ntev ntsuas ntsuas los ntawm Bu Xingkuan yog (2583 ± 323) Hz, thiab cov txiaj ntsig siab tshaj plaws ntawm cov pob ntseg sab nraud pob ntseg resonance zaus ntawm 2500 Hz tuaj yeem ncav 11-12dB.
Thaum tus neeg mob hnov ​​lub pob ntseg sib pab, qhov ntau zaus ntawm qhov siab tshaj ntawm cov suab nrov ntawm lub microphone yog ntawm 5118 ~ 5638Hz, taw qhia tias lub pob ntseg hauv pob ntseg tseem muaj qee yam ntxim rau pob ntseg pob ntseg hloov chaw. , tab sis nws cia li tswj tseg rau tib neeg pob ntseg tib neeg lub cev. Txoj hauj lwm zaus, ntxiv rau lawv lub peev xwm los them rau cov kab mob siab. Yog li, coj cov cuab yeej zoo li no tuaj yeem txhim kho tus neeg mob cov lus kom meej.
2. Qhov ntsuas kev ua siab ntev ntawm pob ntseg pob ntseg
Lub siab tshaj plaws ntawm qhov zaus cov lus teb nkhaus ntawm lub pob ntseg hauv pob ntseg yog li 2500-2700Hz, uas yog ze rau lub ncov resonance ntawm sab nraud pob ntseg pob ntseg hauv ib tus neeg ib txwm. Gao Jianlin thiab lwm tus ntseeg tias qhov ntau zaus ntawm cov lus teb muaj suab nrov hauv pob ntseg hauv pob ntseg yog li 200 ~ 7500Hz, thiab ntau zaus muaj dav, uas yuav luag siv thaj tsam lus ntawm tib neeg pob ntseg. Tus zaus cov lus teb nkhaus pauv me ntsis, thiab nkhaus kuj yooj yim, uas yog nyob rau hauv kab nrog tib neeg pob ntseg. Cov lus hnov ​​tau zoo sib xws, yog li nws tuaj yeem txhim kho pob ntseg kom hnov ​​lus.
Gao Jianlin cov kev sim qhia tau pom tias cov nqi sib hais ntawm 1000Hz, 2000Hz, thiab 4000Hz rau cov khoom siv hauv pob ntseg thiab pob ntseg hauv pob ntseg yog 25-33dB, thaum lub rooj sib hais ntawm 250-500Hz yog 20-24dB. Lub rooj sib hais plaub yav tas los muaj peev xwm tshaj li yav dhau los.
3. Lub suab nce ntawm lub microphone txoj hauj lwm
Muaj ntau yob nyob rau sab nraud ntawm auricle ntawm tus neeg, uas ua rau tib pawg ntawm cov tsom iav concave. Lawv tuaj yeem hais txog thiab kho lub suab los ntawm lub ntiaj teb sab nraud, yog li ua kom lub suab nrov ntawm lub suab tuaj ntawm lub ntiaj teb sab nraud ntawm qhov chaw lub microphone. Piv nrog rau cov khoom siv hauv qab lub pob ntseg, lub microphone ntawm pob ntseg hauv pob ntseg yog nyob hauv pob ntseg, thiab nws cov txiaj ntsig tau hnov ​​yog txhim kho los ntawm txoj ntsiab cai no. Cov haujlwm ua haujlwm ntawm qhov khwv tau thiab / lossis lub pob ntseg pob ntseg sab nraud los ntawm cov khoom siv sab hauv thiab pob ntseg pob ntseg sib txawv, thiab microphone cov haujlwm ntawm ntau hom sib txawv hauv pob ntseg sib txawv, yog li lawv lub suab txhawb kuj zoo li qub. Gao Jianlin tseem pom nyob rau hauv txoj kev sim tias lub suab tau txais ntawm lub microphone ntawm lub hauv-lub pob ntseg sib pab yog 5.94 txog 6.46dB SPL, nrog qhov nruab nrab ntawm (6. 29 ± 1.09) dB SPL; kev kho mob hauv lub pob ntseg yog 6.90-9. Qhov nruab nrab yog (8. 08 ± 1.83) dB SPL; ua tiav pob ntseg pob ntseg mloog yog 8. 80 ~ 9. 30dB SPL, thiab qhov nruab nrab yog (9. 01 ± 1.73) dB SPL. Muaj qhov sib txawv tseem ceeb ntawm peb.
Qhov no qhia tau hais tias lub suab nrov tau txais ntawm lub microphone qhov chaw ntawm lub pob ntseg pob ntseg kom hnov ​​pob ntseg yog qhov loj tshaj plaws, tom qab ntawd muaj lub pob ntseg pob ntseg kom zoo, thiab tom qab ntawd ces lub pob ntseg mloog. Txij li cov txiaj ntsig no tau txais thaum lub pob ntseg pab tsis tsim tawm, lub suab nce ntawm lub microphone txoj hauj lwm cuam tshuam nrog lub cev, cov yam ntxwv ntawm lub auricle, thiab cov yam ntxwv ntawm lub pob ntseg, thiab tsis muaj dab tsi ua rau lub zog ntawm sib pab.

Qhov zoo ntawm cov khoom siv hauv pob ntseg sib piv piv rau pob ntseg hauv pob ntseg thiab pob ntseg kom zoo yog:
Qhov ntau haum rau kev hnov ​​lus yog qhov dav thiab qhov tsim tawm lub zog yog loj.
Muaj peev xwm muab tau yooj yim ntxiv cov ntxiv xws li dual microphones, khaws xov.
Nws yooj yim dua hloov lub roj teeb thiab kho qhov ntim ntau dua li lub pob ntseg pob ntseg pob ntseg thiab kom tiav pob ntseg pob ntseg.

Qhov tsis zoo ntawm lub pob ntseg hauv pob ntseg nrog:
④ Vim tias pob ntseg pob ntseg ntawm tus menyuam tsis tau loj hlob thiab zoo li tus kheej, lub plhaub yuav tsum tau hloov pauv tsis tu ncua, yog li nws tsis tsim rau siv.
Sib piv nrog cov khoom siv tom qab lub pob ntseg, lub microphone tau ze ze rau qhov hluav taws xob ntawm qhov tau txais, thiab nws yooj yim dua rau kev tsim lub suab rov qab.
Rau cov neeg laus thiab cov tsis muaj tes hloov pauv, nws tsis yooj yim los hloov lub roj teeb thiab kho qhov ntim.
Txawm hais tias nws nyob hauv pob ntseg, nws lub cev tseem zoo heev thiab nws yooj yim pom.
⑤ Cerumen yog qhov yooj yim nkag mus rau lub pob ntseg sib pab los ntawm lub suab lub suab, ua rau kev puas tsuaj rau sab hauv.
Cov ntsia pob ntseg lub ntsej muag tau txais kev pab ua kom puv tag nrho lub pob ntseg ntsia hlau, thiab qee cov neeg mob yuav tsis xis nyob vim tias kaw cov tawv nqaij ntau dhau.
⑦ Xws li BTE cov khoom siv sib hais ua ntej, ntsaws pob ntseg tau yooj yim tshwm sim

Lub zog ntawm cov khoom siv hauv-hauv-lub pob ntseg pabcuam yog feem ntau 40 rau 110 dB. Ua ke nrog nws cov yam ntxwv acoustic thiab qhov zoo thiab qhov tsis zoo, lub tshuab pob ntseg hauv lub pob ntseg feem ntau haum rau cov neeg mob uas hnov ​​lus tsis hnov ​​lus tab sis tsis kam hnav thaum hnov ​​lub pob ntseg. Tsis tas li ntawd xwb, vim tias lawv tuaj yeem yooj yim txhim kho ntau qhov chaw pabcuam, lawv tsim nyog rau lub rooj sib hais rau cov neeg mob siab; rau cov muaj hnub nyoog thiab cov laus lossis cov neeg mob uas hloov tes thiab ua pob ntseg tsis hnov ​​lus zoo, koj kuj tuaj yeem txiav txim siab xaiv cov khoom siv hauv pob ntseg.

  • Pob ntseg hauv pob ntseg

Lub pob ntseg ntawm pob ntseg pob ntseg yog hais txog ib hom kev hnov ​​pob ntseg uas raug kho kom haum rau tus neeg mob sab nraud lub kwj dej sab nraud thiab pib hauv pob ntseg pob ntseg thiab nres ze rau ntawm qhov nkhaus thib ob.

  • Kev faib tawm cov khoom pab kom hnov ​​lus

Cov hauv-hauv-kwj dej (ITC) cov khoom siv kom hnov ​​lus (saib daim duab 3-11) kuj yog cov kho kom hnov ​​lus zoo. Tsis zoo li cov khoom siv hauv pob ntseg hauv, pob ntseg hauv pob ntseg yog nyob hauv tus neeg mob pob ntseg. Raws li qhov loj me, pob ntseg pob ntseg pob ntseg tuaj yeem muab faib ntxiv rau hauv pob ntseg pob ntseg (ITC), pob ntseg pob ntseg me me (ITC lossis me me-kwj dej), thiab ua tiav pob ntseg pob ntseg
(CIC) peb hom kev ntsuas pob ntseg. Ua tiav pob ntseg pob ntseg pob ntseg pabcuam muaj ob qho qauv. Tsuas yog thaum ob tus qauv no tau ua tiav lawv tuaj yeem hu ua pob ntseg pob ntseg tiav, thiab qhov zoo tshaj plaws thiab cov txiaj ntsig tuaj yeem tau txais. Ua ntej, ib sab ntawm pob ntseg pob ntseg pob ntseg uas pom hauv daim duab 3-11 yuav tsum tau nyob ze rau sab nraud pob ntseg sab nraud lossis 1 txog 2 hli sab hauv pob ntseg pob ntseg; qhov thib ob, qhov ntu nruab nrab yuav tsum tsis pub dhau 5 hli los ntawm sab qaum ntawm sab hauv ntawm lub ntsej muag.
Yog tias ua tiav lub pob ntseg pob ntseg tsis hnov ​​lus ua tiav ntawm ob lub ntsiab lus saum no, nws tsuas yog tuaj yeem tau txais qhov zoo ntawm ib feem pob ntseg ntawm pob ntseg, thiab nws tuaj yeem tsuas yog hu ua lub pob ntseg pob ntseg me me. Lub pob ntseg pob ntseg pob ntseg kuj tseem nyob hauv pob ntseg pob ntseg, tab sis nws loj dua li lub pob ntseg pob ntseg thiab pob ntseg pob ntseg me me.

Lub pob ntseg pob ntseg pob ntseg tsis yog tsuas yog hais txog cov ntsiab lus ntawm lub pob ntseg pob ntseg, tab sis kuj muaj kev sib raug zoo ntxiv nrog cov ntsiab lus ntawm lub suab ntawm tib neeg pob ntseg, thiab nws cov txiaj ntsig kom hnov ​​lus zoo dua.
1. Hloov Pauv Hloov ntawm Lub Qhov Ncauj Ntau Zaus
Thaum tus neeg mob hnav lub pob ntseg pob ntseg pob ntseg, qhov zoo siab ntawm qhov siab tshaj plaws ntawm cov suab nrov tshaj plaws ntawm lub microphone yog nyob ntawm 4733-5179 Hz, uas yog ze rau qhov chaw txoj haujlwm ntawm lub suab nrov ntawm pob ntseg sab nraud pob ntseg hauv cov neeg ib txwm Cov.
2. Hloov ntawm cov nyhuv resonance tom qab pob ntseg pob ntseg los cuam tshuam
Cov cuab yeej sab nraud kuaj sab nraud yog qhov khoob khoob khoob khoob zoo. Raws li cov lus qhuab qhia acoustic, lub raj kaw tau muaj suab nrov tshaj tawm suab nrov ntawm lub suab vuam ntawm 4 npaug qhov ntev ntawm lub raj. Piv txwv li, qhov ntev ntawm lub raj yog 2.5 cm, thiab lub acoustic wavelength ntawm resonance zaus yog 10 cm, raws li qhov ceev ntawm 344 m. / s muab xam, resonance zaus yog 3440Hz. Cov ntawv xov tooj cua hauv lub raj xa rov qab mus rau lub suab tawm suab ntawm qhov zaus no, kom cov suab ntawm lub suab tawm ntawm qhov zaus ntawm qhov kawg dig muag ntawm lub raj nce.
Lub pob ntseg pob ntseg hnov ​​pob ntseg "thaiv cov raj" ntawm lub twj tso rau sab nraud, luv qhov ntev ntawm lub kaw dej sab nraud, thiab txav mus rau qhov xwm txheej ceev. Hauv qhov xwm txheej no, cov ntaub ntawv suab ntawm kev hais lus zaus raug nthuav dav, yog li ua kom cov suab hnov ​​tau zoo dua.
3. Aura-khaws cia resonance nyhuv thiab suab qhov chaw ib ncig

Lub ntsiab ntawm lub physiological tseem ceeb ntawm lub auricle yog kev taw qhia, nrhiav chaw, sau thiab nthuav dav suab sab nraud. Lub auricle qub muaj qhov ua haujlwm ntawm kev khaws cov suab, thiab cov qauv tsis sib xws ntawm cov nplaim auricle ua rau lub suab sib txawv ntawm cov suab los ntawm kev sib txawv thiab qhov siab, thiab muaj qhov cuam tshuam txog lub suab ntawm qee yam. Txoj haujlwm ntawm auricle no tuaj yeem tsim cov txiaj ntsig lim dej, uas pom tau tias ua lub luag haujlwm tseem ceeb hauv cov suab nrov hauv ib cheeb tsam. Lub pob ntseg pob ntseg pob ntseg yog nyob hauv pob ntseg pob ntseg thiab khaws ntau dua qub ntawm cov qauv qub ntawm auricle, yog li nws pab tau lub suab kom nrov nrov thiab nrhiav tau lub suab.
4. Qhov cuam tshuam ntawm lub suab lub kaw ze rau pob ntseg ntawm lub suab nce
Ua ntej, vim tias qhov kev ncua deb ntawm lub pob ntseg ntawm lub pob ntseg ntawm lub pob ntseg thiab lub pob ntseg yog luv, lub suab nrov tau ncaj qha tuaj yeem ua ncaj ncaj rau lub ntsej muag, yog li qhov sib txawv me me. Qhov thib ob, lub pob ntseg pob ntseg yog muab tso rau hauv pob ntseg pob ntseg, uas ua rau txo qhov ntim ntawm pob ntseg sab nraud. Raws li cov kev sib xyaw tsis sib haum ntawm cov ntim thiab cov siab, cov ntim txo thiab siab nce. Yog li no, thaum coj pob ntseg pob ntseg pob ntseg, nws cov suab nrov yuav nce siab.

Piv nrog rau nraub qaum thiab pob ntseg hauv pob ntseg, qhov zoo ntawm pob ntseg pob ntseg muaj xws li:
Shape Cov qauv duab me me, uas tuaj yeem ua tau raws li lub ntsej muag zoo nkauj ntawm cov neeg mob, thiab nws xis hnav.
Qhov chaw nyob hauv lub pob ntseg pob ntseg, nws khaws cia tus qauv qub ntawm lub auricle, uas yog ntau dua li cov xeeb ceem ntawm lub cev thiab lub suab ntawm tib neeg pob ntseg, thiab pab txhawm rau txhim kho suab nrov thiab suab thaj chaw.

Qhov tsis zoo ntawm lub pob ntseg pob ntseg pob ntseg xws li:
① Xws li cov cuab yeej hauv pob ntseg, vim tias lub pob ntseg pob ntseg tsis tuaj yeem txhim kho thiab ua duab, lub plhaub yuav tsum tau hloov tas li, yog li cov menyuam yaus yuav tsum siv nrog ceev faj.
Aid Lub pob ntseg pob ntseg pob ntseg tsuas yog tsim los rau cov neeg mob uas tsis hnov ​​lus me me lossis tsis hnov ​​lus zoo. Tam sim no, lub pob ntseg pob ntseg pob ntseg uas muaj lub zog siab tshaj plaws tsuas yog tsim rau cov neeg mob uas muaj qhov ntsuas lub pob ntseg nruab nrab ntawm 90 txog 95 dB.
Uster Lub roj teeb thiab lub ntim ntawm lub pob ntseg kom hnov ​​lus zoo me dua li lub cuab yeej sib luag, yog li nws nyuaj rau kev khiav lag luam.
④ Raws li tau hais ua ntej, vim yog qhov chaw me me, lub pob ntseg pob ntseg pob ntseg pob ntseg pob ntseg yog qhov zoo dua tuaj yeem tsim cov lus qhuab qhia, thiab nws tsis tuaj yeem txuas nrog FM system.
⑤ Xws li cov cuab yeej hauv lub pob ntseg, pob ntseg hauv pob ntseg yog nyob hauv pob ntseg pob ntseg thiab ua rau muaj kev cuam tshuam rau cov radon ntau dua.
Xws li cov hauv pob ntseg hauv pob ntseg, lawv kuj tuaj yeem tsim cov lus cuam tshuam pob ntseg.

Tam sim no, lub zog ntawm kev siv lub pob ntseg pob ntseg pob ntseg feem ntau yog qis dua 80 dB, thiab qee lub npe ntawm qee cov qauv ntawm cov muaj zog siv pob ntseg pob ntseg pob ntseg tuaj yeem ncav cuag li 90 txog 100 dB, tab sis cov ntawv thov siv tsis sib kis. Tswb pob ntseg yog tam sim no feem ntau siv rau hauv cov pawg hauv qab no:
Ients Cov neeg mob tseem hluas, muaj pob ntseg me txog qhov hnov ​​lus me me, thiab yuav tsum muaj qhov hnov ​​lus ntau dua.
② Cov tib neeg laus thiab cov neeg laus uas tsis hnov ​​lus me me mus txog qhov tsis hnov ​​lus, hloov cev tes taw thiab lub siab uas xav tau kom hnov ​​lus zoo thiab ntsej muag.
Loss Qhov nruab nrab tsis hnov ​​lus zoo yog qis dua 80-85dB. Rau cov neeg mob uas muaj kev cia lub rooj sib hais nrog tsawg zaus thiab lub siab tsis hnov ​​lus zoo, lub pob ntseg pob ntseg pob ntseg tuaj yeem muab cov nyiaj ntau dua tau.

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