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SHROBONEE Hearing Aid Centre Kolkata
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Finding iPhone compatible hearing aid?
Then Starkey Halo2 may be your best choice.
Features :
Halo 2 hearing aids, now available in our smallest Made for iPhone® style, help you stay connected to the people and things you love most. With our easy-to-use TruLink® Hearing Control app, Halo 2 is engineered to work specifically with your iPhone, iPad®, iPod touch® and Apple Watch®. And with new processing power that's five times faster, you'll experience music in a whole new way with pure, refined sound quality.
For more get details at www.calcuttahearing.com
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Benefits of using both ears hearing aids video Kolkata

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Finding Super Power Wireless Digital hearing aid for your child?
Then Resound ENZO2 may be your best choice.
Features :
ENZO2 598 DW SP fully digital Super Power Behind The Ear Wireless hearing aid (Metal Hook). 12 Channel and 86dB gain. Battery Size 675. Fitting range 60 dBHL to 120 dBHL. Suitable for Profound hearing loss.Sound Sharper. Standard Noise Tracket II. Synchronized Acceptance Manager. Standard Wind Gurd. Directionality- 4 options including soft switching. Digital Feedback Suppression DFS ULTRA II. Phone Now options. Low Frequency Boost. Wireless hearing aid - connectivity through Resound Unite, Made for iPhone, Apps Control, Tinnitus Relief App and inbuilt Tinnitus Solution.

Get details at : http://calcuttahearing.com/shrobonee/siemens_price.php?mode=resound
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Finding small RIC hearing aid with manufacturing defects replacement warranty within 2 years ?
Choose Denmark make Danavox EOS 461 RIE wireless digital hearing aid.

Features includes :
EOS 461 DW RIE hearing aid is a Programmable digital receiver in the ear hearing aid . 7 Channels with 69 dB Gain and fitting range upto 100dBHL . Suitable for mild to profound hearing loss . Battery Size 312. 7 Channels, 7 Bands, 3 Programs(2 Flexible & 1 Automatic) SDA Plus Feedback Guard, Adaptive Directionality /DIR Control with Integrated, wind Noise ControlFIT, Spectacular SNR Data logging, In-situ Audoimertry, Easy-on, Nano-coating, MagnetPro, DAI, Wireless Programming, Control Vox.
Get details at :
http://www.calcuttahearing.com/shrobonee/siemens_price.php?mode=danavox
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New Ace Primax digital hearing aid of Siemens (Sivantos)

Superb hearing you don't have to think about.

myHearing App
ready
Nearly invisible, superb hearing. Hear without effort.
The smallest of our behind-the-ear hearing aids, Ace™ is nearly invisible behind the ear for greater discretion. Its tiny form delivers incredible power for effortless hearing, and thanks to the touchControl™ App you can adjust it conveniently and discreetly.

Discreetly sophisticated.
Good things come in small packages, and Ace hearing aids are no exception. Ultra-discreet and packed with features, they’re IP67-rated to resist moisture, sweat, dust, and dirt for greater reliability.

Enjoy life’s true sound.
A noisy bar, railway station, or street café — anywhere there’s a high level of ambient noise, communicating with people calls for concentration and effort. By the end of a long day, straining to hear voices in difficult situations can be exhausting. It’s a situation with which even people with normal hearing are all-too familiar.

Ace helps overcome the noise. Its advanced SpeechMaster function singles out the dominant speaker, reducing extraneous voices and sounds. You hear what you want, but not the rest. As a result, hearing becomes effortless and less tiring, all day long.


A day out with the kids. And Ace.

Chaos reigns.
At breakfast, the kids are excited about the day. Chatter mingles with the radio while your spouse is immersed in the newspaper. Ace brings outstanding performance to the table to make sure you don’t miss a thing. Its advanced, automatic SpeechMaster function singles out the speech while simultaneously engaging SoundSmoothing™ to reduce the clattering of cutlery and rustling newspaper.

Now you can relax and understand every word effortlessly. With Ace, you concentrate on the conversation, not on hearing.


Catching the breeze.
It’s late afternoon and you’re sitting at a street café enjoying a cappuccino with friends. The breeze is cool, but the discussion at the next table is getting heated. With Ace, hearing is refreshingly easy. Its automatic SpeechMaster function reduces surrounding voices by singling out the discussion at your table, while its directional microphones exclude the background argument. It also engages eWindScreen™ to tackle the intrusive breeze. So now you can sit back and enjoy your friends’ company.

Echoes of the past.
You’re with the children at a museum. Voices are echoing around and mixing with the sound of footsteps on the tiled floors. From behind you, a guide asks if you need any help. This could all be tiring, but Ace takes it all in stride. Its EchoShield program virtually eliminates reverberation, delivering cleaner, clearer sound. The only thing you need to concentrate on is which exhibit to see next.


Made for music lovers.
Ace delivers outstanding quality in every situation, even when you’re enjoying music. Whether you’re listening to your favorite music at a concert or at home on your HiFi system — or even if you’re the one on stage performing — Ace’s HD Music program gives you fantastic sound quality and a superb music experience. Simply and conveniently activated via push button or touchControl App, HD Music ensures you enjoy every note.

Ace at a glance

360° View
Features
Colors
Remote Controls
Taking the kids to school in the morning, meeting friends during your lunch break, watching TV in the evening: Every day is full of different listening situations and conversations. Wouldn’t it be great if you could stream sound right into your ears, discreetly adjust your hearing aids and easily recharge them?

touchControl App. Complete discretion in the palm of your hands.
Turn your smartphone into a discreet remote control for your hearing aids. The touchControl™ App lets you enjoy a high level of handling comfort right at your fingertips.

Change hearing programs and adjust the volume, bass, and treble to suit your needs. All you need is a smartphone.
Get details of hearing aid prices at www.calcuttahearing.com

courtsey :
https://www.signiausa.com/signia-hearing-aids/ace-primax-hearing-aid/

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10 REASONS WHY YOU SHOULD WEAR TWO HEARING INSTRUMENTS
BINAURAL HEARING - RECEIVING SOUND IN BOTH EARS:
1.Better understanding in noisy places
By wearing 2 hearing instruments ,rather than one ,selective
listening is more easily achieved. This means your brain can focus on the conversation you want to hear and ignore the unwanted background noise more easily.
2.Binaural hearing assists you in better identification of direction of sound .
This is called localisation .In a social gathering , for example , localisation allows you to hear from which direction someone is speaking to you. Also localisation helps you determine from which direction traffic is coming or where your children or grandchildren are playing. Simply put, with binaural hearing, you will easily detect where sounds are coming from in every situation.
3.Binaural hearing creates better sound quality
When you listen to a stereo stem, you use both speakers to get the smoothest, sharpest and more natural sound quality .The same can be said for hearing instrument .By wearing two hearing instruments, you increase your hearing range from 180 degree reception with just one instrument to 360 degree .This greater range provides a better sense of balance and sound quality.
4.Binaural hearing creates smooth tone quality
Wearing two hearing instruments generally requires less volume than one . This result in less distortion of amplified sounds.
5.Binaural hearing creates smoother tone quality
Its true . A person can hear sounds from a distance with two ears ,rather than just one. A voice that’s barely heard at 10 feet with one ear can be heard up to 40 feet with two ears.
6.Binaural hearing allows better sound identification
Often with just one hearing instrument, many noises and words sound alike. But with 2 hearing instruments, as with two ears, sound are more easily distinguishable.
7.Binaural hearing keeps both your ears active
Research has shown that when only one hearing instrument is worn, the unaided ear tends to lose its ability to hear and understand .Whereas , those wearing two hearing instruments keep both their ears active.
8.Binaural hearing is less tiring and therefore , makes listening a more pleasant experience
Many binaural hearing aid users report that listening and participation in a conversation is more enjoyable with two instruments instead of just one. Thus ,Binaural hearing can help make life more relaxing.
9.Binaural hearing creates a feeling of balace
Two-eared hearing result in a felling of balance reception of sound , also known as the stereo effect . Where as monaural hearing creates an unusual feeling of sounds being heard in one ear.
10.Binaural hearing instruments are more comfortable when loud noise occur
A lower volume control setting is required with each of two hearing instruments than with just one hearing instrument.

Get hearing aid details at http://www.calcuttahearing.com
or
at http://www.shrobonee.com

Write up courtesy : Widex India Hearing aids
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Hearing aid technology and historical development. :
A hearing aid is an electroacoustic device which is designed to amplify sound for the wearer , usually with the aim of making speech more intelligible, and to correct impaired hearing as measured by audiometry. All components of a hearing aid developed in efficiency and reduced in size over the years. Hearing aid technology and historical development given below :
hearing aid

HISTORICAL DEVELOPMENT OF HEARING AID:
17th century.
Development of modern hearing aids accelerated after creation of telephone.
Non-electric hearing aids followed by Electric hearing aids.
Historical perspective can be divided in five eras.
hearing aid era
ACOUSTIC ERA (NON-ELECTRIC)( 17th century)
Cupping of ear : 5 to 10 Db gain in mid and high frequencies.

Collection of sound from a larger area than ear itself.
Shielding of sounds coming from the rear: very effective noise reduction system.
acoustic hearing aid
acoustic hearing aid
Ear trumpet, horn or funnel( 1673 and 1650):
Large open end to collect as much as sound posible.
Energy transferred to the ear via a gradual reduction in area along the length of trumpet.
Wide and long trumpet-more effective.
Coiling of the trumpet to make it smaller reported at around 1692 (Lybarger 1988).
Ear trumpets have been hidden in hats, armchairs, fana and beards.
ear trumpet and horn hearing aid
ear trumpet and horn hearing aid
Speaking tube:
Horn shaped end attached to long tube that terminates in an ear piece.
Speaker directly speaks in the horn end-signal to noise ratio much better than natural ear.
The fist full scale manufacturer of hearing aids was Frederick Rein of London in 1800. He produced ear trumpets, hearing fans and conversation tubes.
CARBON ERA (ELECTRIC HEARING AID)
Late 19thcentury and early 20thcentury.
1878, invention of the carbon transmitter for the teleohone, which-unlike Bell’s device-amplified the electrical signal. Miller Resse Hutchinson in the United Statas and Frederick Alt in Austria-tried to adapt telephones as hearing aids in the early 20thcentury.
Akoulalliuon – 1899, the first carbon hearing aid.
Akouphone and Acousticon – 1902.
Use of carbon hearing aids continued till 1940s.
Components-carbon microphone, magnetic receiver, a battery and cord to connect the components. Useful for mild or mpderate loss. Produced noisy and scratchy sond due to the action of carbon balls on yhe diaphragm. The frequency response range was limited.
Idea to amplify different frequencies by different amounts emerged.
Couplers, initially with 0.5 cc volume emerged.
ALDs.
Carbon Amplifier invented-better frequency response.
carbon era electrical hearing aid
carbon era electrical hearing aid
VACCUM TUBE ERA:
Vaccum tube electronic amplifier invented in 1907 and applied to Hearing aids in 1920.
(Applying the three-element tube invented by Lee De Forest in 1907, Western Electric Co., in New York City, stated producing technically superior hearing aids in 1920).
First vaccum hearing aid was “ Vactuphone” –Hanson in 1920.
Very powerful amplifiers with 70 Db gain and 130 Dbspl output-fitting ranges increased.
Better control over gain frequency responses shape than carbon hearing aids.
Reduced internal noise.
The main focus of improving the hearing aid was “ adjusting the frequency response to meet charecteristics of hearing impairment”.
The earliest wearable vaccum tube hearing aid was Arthur Wengel’s “Stanley phone:. Walter Huth developed a similar vaccum tube hearing aid shortly thereafter. After 1938, Raytheon, the leading maker of vaccum tubes for the hearing aid aindustry, continued to decrease the size of the tubes, thus enabling hearing aids to continually decrease in size.
Flaw- as big as a filling cabinet and needed two batteries.
Size reduced and practical in 1930s, but large batteries untill 1944.
In 1944 battry and microphone technology improved and became a one piece hearing aid with an ear level receiver( the carbon zinc battery that had been used in all hearing aids to date were replaced with small layer type “B” batteries made by Eveready. These batteries were smaller and had longer capacity.)
Large pen shaped case to enclose electronics other than transducers.
Microphone in broaches and receiver cord in pearl strings.
Sub miniature vaccum tube heraing aids: In the late 1940s, manufacturers combined these tubes with two innovations from World War ll-printed circuit boards and button batteries-to produce more compact and reliable models.
In 1946, radio ear put out a wearable vaccum tube heraing aid with a built-in telephone pick-up coil.
Also in 1946, the crystal microphone was replaced with the magnetic mocrophone. The magnetic phone was not sensitive to humidity and high temperature like the previous crystal microphone technique is sufficient to allow for real-time processing of audio signals. High-speed array processors were introduced toward the end of the nineteen seventies and shortly afterwards an all-digital hearing aid was developed configured around one of these units.
Although still too large to be wearable, that instrument has been used effectively as a master hearing aid in a series of experimental investigations on the prescriptive fitting and evaluation of digital hearing aids.
1982-high speed digital signal processing (DSP) chips was introduced.
DSP chips were fast enough for limited real-time processing of speech signals. Because of their small size, these chips can be packaged in a unit small enough to be wearable.
In 1988, the Knowles amplified receiver contributed to further size reduction. This is the first of the hearing aids that can be worn inside the ear canal.
Further developments include feedback cancallation systems, applications of adaptive directionility, application of frequency transpositions, reduction in size of receiver with high outputs ( RIC hearing aids), remarkable improvements in programming interface, data logging systems; inter ear communication within hearing aids.
Other developments ear-mould venting, piezo electric microphone, compression amplification.
TRANSISTOR AND INTEGRATED CIRCUIT ERA:
1952 transistors commercially available.
By 1953 all hearing aids used transistors- remarkable reduction in battery consumotion.
Head mounting of hearing aids possible, disadvantages of body type overcome.
Barette hearing aids and spectacle hearing aids.
BTE hearing aids became dominant till 1990s.
First ITE in 1950s.
1964-Integrated circuits applied to hearing aids helped greatly in miniaturization-multiple transistor and resistors could be combined in one component.
1968-piezoelectric microphone was combined with a field effect transistor in a small metal can helped in smooth and wide frequency response.
Directional microphone emerged.
1971 microphone technology further improved electret/FET microphone.
Receiver and microphone volume decreased.
1980s –ITC.
Finally CIC- with improvements in battery chemistry, amplifier efficiency and transducer size.
1986-digital controls and digital memory. Use of remote control possible.( In the late 1980s, several companies were applying digital signal-processing chips to hearing aids, initially in hybrid analog-digital models in which digital circuits controlled an analog compression amplifier.)
transistor hearing aid
DIGITAL ERA Journal of Rehabilitation Research
Digital body aid- not commercially successful.
1996-first digital BTE, ITE and ITC.
Advent of the digital computer that these techniques started to take on a new, practical importance.
The invention of the digital hearing aid began with the replacement of magnetic microphones with ceramic in 1967-size reduction, wider and smoother frequency response.
Miniature directional microphone in 1969. “A very important feature was its far lower sensitivity to mechanical vibration.”
A concomitant development of great consequence for the digital processing of audio signals was the development of analog-to-digital and digital-to-analog converters fast enough and with enough precision for the conversion of continuous audio signals to digital form, and vice versa.
Quasi Digital hearing aid developed.
Fully digital hearing aid developed in late 1970s with two major developments in technology-development of the array processor in which an array of numbers is processed simultaneously, instead of only one number at a time as in a conventional digital computer. The saving in processing time resulting from the use of this.
21st CENTURY:
latest hearing aid
Now hearing aids are available in two types of Technology Features as follows -
A. Digital Technology - Sounds are processed digitally for better speech enhancement, noise reduction, feedback elimination etc. Nowadays all manufacturers used this technology for making hearing aids as digital technology is flexible with customized features. Latest invisible hearing aid models and other fashionable models like R.I.C, R.I.E, Open Fit,B.T.E, C.I.C, micro C.I.C, mini B.T.Es are made using this technology due to miniature of microprocessor chip.
and
B. Analog Technology – Sounds are processed as analog signal. Suitable for some types of hearing loss. Nowadays analog technology is used in to make body worn hearing aids and few B.T.E models.
Other Technological Advancement with Digital Technology :
Digital Technology further categorized according to the customization programming features of hearing aids manufactured.
** Micon Technology – Siemens hearing aids with most advance latest features used this technology for fitting hearing aids.
** XCL Technology – Siemens hearing aids with advance features used this technology for fitting hearing aids.
** Channel Free Technology – Bernafon hearing aids with most advance latest features used this technology for fitting hearing aids.
** Nano Technology – Used by most of the hearing aid manufacturer to minimize the hearing aid size.
** Camisha Technology – Widex and Sonic Innovations used this latest technology. This is sophisticated method of manufacturing individual hearing aid shells, ear-moulds and ear-pieces. Computer Aided Manufacturing of Individual Shells for Hearing Aids (CAMISHA) uses laser technology to make an impression of the hearing aid user’s ear canal and turns this data into a 3D computer model (def. courtesy Widex) .
** Wireless Technology – Used by most of the hearing aid manufacturer for establishing Bluetooth and FM connectivity with hearing aid and other compatible device. This technology is also used for synchronization of binural fitting of hearing aids.
Hearing aid technology and historical development now changing in rapid way.
Information collected by :
MR.ANKIT KR MISHRA, M.A.S.L.P, RCI REGISTERED AUDIOLOGIST AND SPEECH PATHOLOGIST.
Disclaimer – Data and photo compiled from books and Internet.
- See more at: http://www.kolkatahearing.com/technology/#sthash.Sel8AtIM.dpuf

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Open fit hearing aid with true Ingress Protection IP 57 Standard Bernafon Swiss Technology digital BTE hearing aid is suitable for mild to moderately severe high frequency sloping hearing loss. Details are as follows -
IN 1N (* IP 57 RATING) Channel Free Hearing Aid. Classic and Open Fit both are available.
Fitting range upto 80dBHL. Adaptive noise reduction.
Directional Microphone.
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10 REASONS WHY YOU SHOULD WEAR TWO HEARING INSTRUMENTS
BINAURAL HEARING - RECEIVING SOUND IN BOTH EARS:
1.Better understanding in noisy places
By wearing 2 hearing instruments ,rather than one ,selective
listening is more easily achieved. This means your brain can focus on the conversation you want to hear and ignore the unwanted background noise more easily.
2.Binaural hearing assists you in better identification of direction of sound .
This is called localisation .In a social gathering , for example , localisation allows you to hear from which direction someone is speaking to you. Also localisation helps you determine from which direction traffic is coming or where your children or grandchildren are playing. Simply put, with binaural hearing, you will easily detect where sounds are coming from in every situation.
3.Binaural hearing creates better sound quality
When you listen to a stereo stem, you use both speakers to get the smoothest, sharpest and more natural sound quality .The same can be said for hearing instrument .By wearing two hearing instruments, you increase your hearing range from 180 degree reception with just one instrument to 360 degree .This greater range provides a better sense of balance and sound quality.
4.Binaural hearing creates smooth tone quality
Wearing two hearing instruments generally requires less volume than one . This result in less distortion of amplified sounds.
5.Binaural hearing creates smoother tone quality
Its true . A person can hear sounds from a distance with two ears ,rather than just one. A voice that’s barely heard at 10 feet with one ear can be heard up to 40 feet with two ears.
6.Binaural hearing allows better sound identification
Often with just one hearing instrument, many noises and words sound alike. But with 2 hearing instruments, as with two ears, sound are more easily distinguishable.
7.Binaural hearing keeps both your ears active
Research has shown that when only one hearing instrument is worn, the unaided ear tends to lose its ability to hear and understand .Whereas , those wearing two hearing instruments keep both their ears active.
8.Binaural hearing is less tiring and therefore , makes listening a more pleasant experience
Many binaural hearing aid users report that listening and participation in a conversation is more enjoyable with two instruments instead of just one. Thus ,Binaural hearing can help make life more relaxing.
9.Binaural hearing creates a feeling of balace
Two-eared hearing result in a felling of balance reception of sound , also known as the stereo effect . Where as monaural hearing creates an unusual feeling of sounds being heard in one ear.
10.Binaural hearing instruments are more comfortable when loud noise occur
A lower volume control setting is required with each of two hearing instruments than with just one hearing instrument.

Get hearing aid details at http://www.calcuttahearing.com
or
at http://www.shrobonee.com

Write up courtesy : Widex India Hearing aids
Photo

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Require smallest hearing aid with resonable price ? Then you can choose Siemens brand Intuis invisible hearing aid with following features -
Siemens Intuis 2 IIC invisible hearing aid equipped with 12 Channel Resolution.Siemens Intuis 2 IIC hearing aid offer more frequency shaping than any other comparable hearing aid in this class.
It is equipped with noise reduction function and feedback cancellation system, both of which further add to a convenient listening experience.
IP67 rated. Resistant to moisture, sweat, dust and dirt. Directional Microphone.Fitting range upto 70dBHL.
Suitable for Mild to Moderate hearing loss.
Get other details at : www.calcuttahearing.com or at www.shrobonee.com
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