Pratica di Shadowing: Why Hearing Aids Sound Tinny (And How to Fix Them) - Impara a parlare inglese con i video
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Well, you finally did it.
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You got a brand new pair of hearing aids and they have all of the bells and whistles.
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They have a deep neural network for artificial intelligence sound processing.
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They're rechargeable batteries.
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You've got the new form of LE Audio Bluetooth, which enables a feature called AuraCast, and they're even waterproof.
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So why the heck do they sound so freaking tinny?
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Hey guys, Cliff Olson, Doctor of Audiology and founder of Applied Hearing Solutions in Phoenix, Arizona.
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And this is a question that I get all the time about the sound quality of hearing aids.
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So in this video, I'm gonna explain exactly why your hearing aids sound so tinny, what's causing it,
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and what you can do to fix this problem to make your hearing aid sound as natural as humanly possible.
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So here's the deal.
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To truly understand why hearing aids sound so tinny to some people, you really have to have a good understanding of hearing loss in general.
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When people start to lose their hearing, it's usually the high frequencies that decline first.
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When this happens, you typically start to notice that you can hear that people are talking, you just can't quite understand what they're saying.
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It's a clarity issue, not a volume issue.
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An easy way to explain this is if you turn up the volume on the TV, it typically makes things louder but not clearer,
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especially if you're watching a show that has accents.
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Like the popular TV shows Outlander with their Scottish accents or Peaky Blinders with their English accents.
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This problem is even more apparent inside of noisy places like restaurants, where you have all this restaurant noise that you can hear just fine,
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but you have trouble understanding the person who's right across the table from you.
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This loss of high frequency hearing is caused by the deterioration of hair cells inside of your cochlea, which is your hearing organ.
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Let me give you a really quick anatomy and physiology lesson as to how this works.
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When sound enters your ear, it travels down the ear canal and vibrates your eardrum.
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Those vibrations are then passed through three tiny bones in your middle ear space called the malleus, the incus, and the stapes,
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and transfer that vibration of sound into the cochlea.
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Your cochlea is tonotopically organized, which means that different regions inside of the cochlea respond to different sounds, but these high -frequency sounds,
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up to 20 ,000 Hz, are at the base of the cochlea, which is right where the sound enters.
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If we take a look inside of the cochlea, we will see that you have different hair cells,
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and the hair cells that I'm specifically talking about here are the outer hair cells.
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Their job is to amplify those tiny vibrations of sound so they're strong enough to activate the inner hair cells,
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which then send signals up the auditory nerve to the brain so you can hear.
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But as these high -frequency outer hair cells become damaged, they can no longer provide this natural amplification effect.
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Without enough vibration, many of those high -frequency speech sounds never activate the inner hair cells, so speech information never reaches your brain.
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So what speech information is actually missing when you have a high -frequency hearing loss?
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For this, let's briefly look at an audiogram.
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For this typical high frequency hearing loss, any of the speech information that is above the X's
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and the O's in the shaded gray region can no longer naturally be heard by this individual.
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Any of the speech information below the X's and the O's in the white region can still be heard naturally.
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The high frequencies on the right hand side of the graph have most of your consonant sounds
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that provide the perception of clarity in speech.
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And the low frequencies on the left hand side of the graph have most of your vowel sounds
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that provide the perception of volume in speech.
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For a visual example, which word do you think this is?
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Is it fat?
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Is it sat?
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Is it cat?
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Or is it even a four -letter word, chat?
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When you have a high -frequency hearing loss, it could literally be any of those options and more.
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Which is why it's important
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that hearing aids amplify sounds in these high -frequency ranges to restore your access to this speech information.
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But what does all of that have to do with your hearing aids sounding tinny?
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Well, it has everything to do with it.
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You see, when you use hearing aids to amplify these high frequency sounds to restore clarity,
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it can also cause a tinnitus perception for two main reasons.
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And reason number one is that your hearing aids are not programmed correctly.
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The good news is a hearing care professional does not have to guess as to whether
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or not your hearing aids are programmed the right way.
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They can just verify it with real ear measurement.
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Real ear measurement is a verification technique
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that a hearing care professional can use to see
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if your hearing aids are properly amplifying sound for you to your hearing loss prescription.
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They can see if some sounds are being overamplified in certain frequency ranges, and they can see if sounds are being underamplified in other frequency ranges.
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To perform this verification procedure, they have to place probe microphone tubes inside of your ears along with your hearing aids.
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They then play a calibrated sound from a speaker in front of you
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and measure how much amplification you're receiving from your hearing aids by plotting it on their computer screen.
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Anywhere the solid amplification curve is above the hash mark prescription curve,
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it means that you're being overamplified and anywhere the solid curve is below the hash mark curve, it means that you're being under amplified.
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Now let's get to the tinny perception.
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If you have a tinny perception of sound, chances are that you're being over amplified in your ear resonance range.
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You see, when sound enters your ears, it receives a natural boost in amplification around 2700 hertz.
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On average, this natural amplification effect adds up to 17 decibels to an incoming sound.
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And I don't want to spend too much time explaining what decibels are, that's definitely a topic for another video, but 17 decibels is a lot.
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And if this is unaccounted for when it comes to programming the amplification levels of your hearing aids,
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you're going to be significantly over amplified between 2 ,000 and 4 ,000 Hertz on average.
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But the only way to even know this is if you measure it with real ear measurement.
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This is what an unaccounted for resonance peak looks like that causes a significant increase in the tinniness perception of sound.
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You see this bump right here, where it peaks above the hash mark curve?
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This is a resonance peak.
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And for this individual, it would make their hearing aids sound incredibly tinny.
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But once corrected for, it should look more like this.
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This would likely take away all of that tinny perception of sound while still keeping speech clear.
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Without real or measurement, neither you
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or your hearing care professional has any clue as to whether or not you're being overamplified in this range.
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And it essentially turns your hearing a programming session into a guessing game,
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where they're having to use trial and error to try to figure out which frequency ranges are being overamplified for you.
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And what they inadvertently end up doing, even if they get rid of the tinniness perception,
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is that they're then under -amplifying you in other frequency ranges, which is destroying your ability to hear optimally.
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The same thing is true even if you don't get a tinny perception of sound.
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You never really know if your hearing aids are programmed the right way.
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So if you're going to a hearing care professional who is not performing real -ear measurement when programming your hearing aids,
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it's probably time to find a different provider.
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And if you want to guarantee that you can find a provider who performs this critical verification procedure, make sure that you check out my website,
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hearingup .com, and find a HearingUp Network member in your area.
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Every hearing aid member has been vetted for their commitment to following comprehensive audiologic best practices,
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including real ear measurement, to ensure not only that your hearing aids do not sound tinny, but that you're able to hear your absolute best.
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Now, in addition to this resonance peak issue, there is another programming error that usually causes this tinny sound perception,
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even if you've corrected for the resonance peak, and that is not properly blending the amplification from the lows through the mids and into the highs.
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If your hearing aids are only amplifying the high frequency ranges for your hearing loss, but you don't properly blend the amplification into the high frequencies,
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a lot of the times this can make your hearing aid sound tinny.
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Of course, real ear measurement is also the solution to this problem
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because it allows a hearing care professional to see
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if they're also giving you enough of this blending through the lows and the mids.
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But what if your hearing aid programming was done correctly with real ear measurement
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and they corrected for your residence peak and they corrected for the blending of the lows, the mids, and the high frequency amplification levels,
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but you're still getting this tinny sound perception.
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Well, that could lead to the second reason why your hearing aids sound tinny, which is lack of auditory adaptation.
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You've got to remember that if you have a high frequency hearing loss, chances are you have not heard those sounds in a long time.
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And research tells us
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that it takes only approximately 30 days with a mild level
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of hearing loss before your brain starts to change the way that it processes sound due to this auditory deprivation.
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And on average, most individuals have had hearing loss for several years before they start to even realize it.
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But by that time, auditory deprivation has definitely set in,
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and other areas of your brain start to overtake your auditory cortex and use that space for something else.
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And when you bring back all of these missing sounds at once and your brain's not ready for it, you can get this tinny sound perception.
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The good news is research has also indicated
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that it takes your brain 30 days to revert back to the way
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that it was as long as you're treating your hearing loss with hearing aids that have been programmed properly.
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Inside of this first 30 days, your hearing aids may sound a bit tinny,
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and that's okay, as long as that tinny sound perception is not being caused by improper programming.
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Now, if you've been wearing your hearing aids for 30 days, and you've been very consistent day in, day out, and wearing those hearing aids,
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and you're still getting a tinny sound perception, then your hearing care professional may have to taper off the amplification levels of the high frequencies.
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You just have to be careful because you could be trading one problem for another.
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If you turn down the high frequencies too much, yeah, it'll get rid of the tinny sound perception,
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but it could also take away your clarity in speech.
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So if you have to take this approach because you just can't stand that tinny sound perception from your hearing aids,
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make sure that your hearing care professional takes it very slow one decibel at a time.
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Now to finish this off, one thing that you really need to understand here is that when you have a hearing loss,
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it means that you have damage to your auditory system.
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It may not be possible to completely eliminate the tinny sound perception of your hearing aids and still maintain good speech clarity.
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But as long as you're aware of this relationship between high frequency amplification with hearing aids and a tinny sound perception,
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you have a much better chance of getting rid of that annoying sound and still hearing really well with your hearing aids.
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Alright guys, if you enjoyed this video, do me a huge favor and click the like button.
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And if you want to see more videos just like this one, make sure that you're subscribed to the channel with notifications turned on.
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And I'll see you in the next video.
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Vocabolario e note di pronuncia per questa lezione
Questa lezione di conversazione si basa sul video “Why Hearing Aids Sound Tinny”. Le parole che ritornano più spesso: hearing, sound, aid, tinny, perception. Questo video contiene 134 frasi e 2081 parole da ripetere con lo shadowing. Il parlato dura 9:59. Chi parla va veloce, circa 208 parole al minuto: aspettati suoni legati e ridotti. Solo il 81% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
15 parole del video che vale la pena imparare, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| frequency sostantivo | /ˈfɹiːkwənsi/ | frequenza |
| perception sostantivo | /pɚˈsɛpʃ(ə)n/ | percezione |
| measurement sostantivo | /ˈmɛʒ.ə.mənt/ | misurazione, misura |
| curve sostantivo | /kɚv/ | curva |
| clarity sostantivo | /ˈklæɹ.ɪ.ti/ | chiarezza |
| resonance sostantivo | /ˈɹɛzənəns/ | risonanza |
| blend verbo | /blɛnd/ | mescolare, amalgamare |
| vibration sostantivo | /vaɪˈbɹeɪʃən/ | vibrazione |
| accent sostantivo | /ækˈsɛnt/ | accento |
| hash sostantivo | /ˈhæʃ/ | tritato, spezzatino |
| naturally avverbio | /ˈnæt͡ʃ.(ə.)ɹə.li/ | naturalmente |
| procedure sostantivo | /pɹəˈsiː.d͡ʒə/ | procedura, iter |
| ear sostantivo | /ˈɪə̯/ | orecchio, orecchia |
| correctly avverbio | /kəˈɹɛk(t).li/ | correttamente |
| restore verbo | /ɹɪˈstoɹ/ | ristabilire, restaurare |
I phrasal verb che sentirai
| Parola | Pronuncia | Significato |
|---|---|---|
| take away verbo | /ˌteɪk əˈweɪ/ | togliere |
| check out verbo | investigare | |
| end up verbo | andare a finire, finire | |
| figure out verbo | scoprire, rendersi conto | |
| pass through verbo | trapassare | |
| turn down verbo | rifiutare | |
| turn up verbo | presentarsi, apparire |
La grammatica di questo video
Le strutture che chi parla usa di più, con le parole esatte del video:
| Struttura | Nel video |
|---|---|
| Forma passiva be + participio passato — conta ciò che accade, non chi lo fa | is caused · are then passed · is tonotopically organized |
| Present perfect have/has + participio passato — un’azione passata che conta ancora adesso | has been vetted · you've corrected · have not heard |
| Frasi relative who / which + frase — un’informazione in più su una persona o una cosa | cochlea, which is · organized, which means · ranges, which is |
Pronuncia a cui fare attenzione
Chi parla usa 36 contrazioni e forme ridotte, come you're, they're, you've. Pronunciale nella forma breve, così come le senti.
- I suoni “sh” e “zh”: perception /pɚˈsɛpʃ(ə)n/, measurement /ˈmɛʒ.ə.mənt/, vibration /vaɪˈbɹeɪʃən/, verification /ˌvɛ.ɹə.fɪˈkeɪ.ʃən/, hash /ˈhæʃ/
- Parole lunghe — attenzione all’accento: verification /ˌvɛ.ɹə.fɪˈkeɪ.ʃən/, naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, essentially /ɪˈsɛnʃəli/, incredibly /ɪŋˈkɹɛdɪbli/, comprehensive /ˌkɑm.pɹəˈhɛn.sɪv/
I suoni difficili per chi parla italiano:
- /h/ — va soffiata, non è muta: hash /ˈhæʃ/, comprehensive /ˌkɑm.pɹəˈhɛn.sɪv/, heck /hɛk/, hertz /hɝts/, humanly /ˈhjuːmənli/
- Consonante finale — senza aggiungere una vocale dopo: measurement /ˈmɛʒ.ə.mənt/, curve /kɚv/, resonance /ˈɹɛzənəns/, blend /blɛnd/, accent /ækˈsɛnt/
- /æ/ — più aperta della “e”: clarity /ˈklæɹ.ɪ.ti/, accent /ækˈsɛnt/, hash /ˈhæʃ/, naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, graph /ɡɹæf/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
- Registrati e confronta con l’originale, facendo attenzione a parole come frequency, perception, measurement.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.