teacher's training pack 23/8/07 09:14 Page 41 Resource The ear teacher's training pack 23/8/07 09:14 Page 42 Blank audiogram Frequency in Hertz low 125 PITCH 250 500 1000 high 2000 4000 8000 -10 0 20 30 40 50 60 70 80 90 100 110 120 B U Z Z L O R R Y F BAND Resource Hearing level in decibels (dB) 10 teacher's training pack 23/8/07 09:14 Page 43 Audiogram with sound pictures Frequency in Hertz (Hz) Low Soft sounds High PITCH 125 -10 250 500 1000 2000 4000 8000 0 10 20 p hg ch sh Hearing level in decibels (dB) zv 30 j 40 mdb n ng el u 50 f sth k i oa r 60 70 80 90 F B U Z 100 110 L O R R Y BAND 120 Levels of deafness: Mild deafness 24 - 40 dB Moderate deafness 41 - 70 dB Severe deafness 71 - 95 dB Profound deafness 95+ dB Resource Loud sounds Z teacher's training pack 23/8/07 09:14 Page 44 Quiz – True or False Names ................................................................................................................... Date ............................. 1) Deaf people cannot talk true false 2) Deaf people can read Braille true false 3) Deaf people can read and write true false 4) Deaf people are different true false 5) Some deaf people use sign language true false 6) Deaf people cannot enjoy music true false 7) Deaf people can hear everything with their hearing aids on true false 8) Deaf people can get jobs true false 9) Deaf people can go to university true false 10) Deaf people cannot drive cars true false 11) All deaf people can lipread true false 12) Deaf people are not smart true false 13) Deaf people do not watch TV because they can’t hear it true false 14) Deaf people cannot go on an aeroplane true false Resource With your partner read the following quiz questions and tick true or false for each question. Read each question carefully. teacher's training pack 23/8/07 09:15 Page 45 Hearing aids Direct audio input lead to connect to radio aid Audio shoe Microphone Elbow or tone hook Volume control Programming socket Tube Audio input contacts Earmould Battery compartment Resource Function/mode switch teacher's training pack 23/8/07 09:15 Page 46 Cochlear implants A typical ear level cochlear implant Transmitter Transmitter connecting lead Ear level microphone and speech processor A typical body worn cochlear implant Ear level microphone Transmitter connecting lead Microphone connecting lead Body worn speech processor Resource Transmitter teacher's training pack 23/8/07 09:15 Page 47 Radio aids A radio aid consists of a transmitter, worn by a teacher and a receiver worn by your child. Body worn receiver Behind the ear receiver Mircophone and transmitter Resource Neckloop teacher's training pack 23/8/07 09:15 Page 48 Other hearing aids Bone conduction hearing aid Headband Connecting wire Vibrator Hearing aid In the ear hearing aid Resource Bone anchored hearing aid teacher's training pack 23/8/07 09:15 Page 49 Hearing aids checklist Hearing aid Casing, elbow check they are not cracked, split or loose Earmoulds check they are not split or damaged, check for wax, if it is blocked use a pin to unblock it, if there is a more severe blockage you may need to gently wash the earmould in warm soapy water Tubing check it is not squashed, hardened, discoloured or split, if it is it needs to be replaced. If there are droplets of condensation in the tubing gently pull it off the elbow and use a puffer to clear it Batteries check the battery is in the right way round and the hearing aid is switched on. Volume and settings if there are any visible controls check they are on the correct settings for the child Programmes check it is on the correct programme, for example there may be a different programme for use with a radio aid Listening check use an attenuated stetoclip to listen to the aid to check it is working and does not sound unusual or distorted Cochlear Implant Casing check it is not split, cracked or loose Lead check it is not split or worn and that the connections are not loose Display check the processor display for any fault warning lights or indicators Coil check it is not loose, ask the child to put on their processor and if appropriate use a wand to check it is working, for example the light comes on Batteries check they are in correctly, fully charged and the processor is switched on Listening check if listening earphones have been provided use them to check that the microphone is working and the sound does not sound unusual or distorted Resource Programme/settingscheck it is on the correct programme and setting for the child teacher's training pack 23/8/07 09:15 Page 50 Casing check it is not cracked, split or damaged Microphone check it is not damaged and the cover fits, if necessary replace Leads check they are not worn or damaged , if necessary replace Batteries check batteries are fully charged and fitted correctly, check cover and contacts, if necessary replace Channels check both transmitter and receiver are on the same channel number, letter or colour Audio shoes check they are not cracked, split or loose, if so replace Aerial check there is no aerial missing or damaged Display check displays for any fault warning lights or indicators Controls check volume and other controls are set correctly for the child Listening check for children with hearing aids, listen to receiver through their aids using an attenuated stetoclip, ask someone to speak into the transmitter at a distance, connect hearing aids to receiver and listen to each aid in turn. For children with a cochlear implant, listen by connecting headphones provided by the manufacturer to the processor if available. Resource Radio Aids – transmitter and receiver teacher's training pack 23/8/07 09:15 Page 51 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z © DEAFSIGN sign graphics email@example.com Resource The British fingerspelling alphabet teacher's training pack 23/8/07 09:15 Page 52 Resource How would you make these classroooms more listener friendly? teacher's training pack 23/8/07 09:15 Page 53 Resource How would you make these classroooms more listener friendly?
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