1. Comfort Digisystem Receiver DT10

2. Introducing the world’s first! With the Comfort Digisystem Receiver DT10 the Comfort Digisystem’s line of receiver is complete. Enabling Comfort Digisystem’s unique sound quality and wide dynamic range all the way into the hearing aid: – crystal clear sound reproduction – steady sound transmission – sound transmission without time lag – eaves drop secure operation A discrete and comfortable alternative for persons who prefer mini receivers over neck loops or headsets.

3. Feedback from clients using Comfort Digisystem Receiver DT10

4. 1. Pre-Launch test, Comfort Digisystem Receiver DT10 Varying hearing losses Different hearing aids – Phonak (Eleva, Savia Art, Excelia) – Widex (Senso Diva) – Resound (Ziga) Different age Groups, from teens to the age of 60 years

5. 1. Pre-Launch test, Comfort Digisystem Receiver DT10 Used in: – School environment – At work – Home environment Test persons rated, scale 1-10: – Sound quality – Comfort – Speech intelligibility

6. 1. Pre-Launch test, Comfort Digisystem Receiver DT10 Sound quality: – Scale 1-10, Lowest 8, Highest 11 Comments: – “What is that sound? Is it the cat purring?” – “I can hear the fire in the fireplace” – “I can hear my husband in the car!”

7. 1. Pre-Launch test, Comfort Digisystem Receiver DT10 Speech intelligibility Scale 1-10, Lowest 6,5 Highest 10 Comments – “Big improvement, also when using the phone” – “No interference, a cleaner sound” – “People around me are speaking better, or am I hearing better? ”

8. SecureStream Technology Dynamic range Input sound pressure level (dB-SPL) ► SST Linear: 30 – 90 dB SPL AGC above 90 dB SPL ► Typical FM system Linear: 55 – 72 dB SPL AGC above 72 dB SPL

9. SecureStream Technology

10. Dynamic range FM

11. SecureStream Technology Dynamic range SST

12. Speech banana in dB SPL SST for speech intelligibility 80 90 70 60 50 40 250 5001000 2000 4000 8000 j e l m d b n r i a o g h p sh k t fsfs th dB SPL Hz

13. Speech banana in dB SPL using traditional FM Speech intelligibility 80 90 70 60 50 40 250 5001000 2000 4000 8000 j e l m d b n r i a o g h p sh k t fsfs th

14. Speech banana in dB SPL Speech intelligibility 80 90 70 60 50 40 250 5001000 2000 4000 8000 j e l m d b n r i a o g h p sh k t fsfs th

15. 1. Pre-Launch test, Comfort Digisystem Receiver DT10 Comfort: Scale 1-10, Lowest 5, Highest 8 Depends on the audio shoe and construction of hearing aid Comments: – “The HA feels much longer, but I do not think of it any more” – “It is a relief not having anything around my neck, but the hearing aid is bigger”

16. Summary: Pre-Launch test, Comfort Digisystem Receiver DT10 All test persons had used ALDs before None of the test persons experienced noise or humming noises in the hearing aid All test persons could hear more soft sounds than they were used to All test persons wanted to keep the receiver

17. 2. End-user test Sweden 11 test persons – Different hearing aids (Oticon, ReSound, Widex, Phonak, Bernafon) – Varying hearing loss – Work and home environment – Ages from 22-60 years 8 test persons experience better speech intelligibility immediately 1/3 think that they hear almost too well, not too loud, but very very clear 8 test persons experience a more natural sound than what they were used to using ALDs, no humming no drop-outs

18. 3. Severe/profound hearing loss 4 participants (Phonak, ReSound) Severe hearing losses Already users of ALDs Rated: – Sound Quality – Speech intelligibility – Comfort

19. 3. Severe/profound hearing loss Sound Quality Scale 1-10, Lowest 7, Highest 8 All of them rated DT10 better than their old system Comments: – “No more interference with the surrounding” – “The sound is cleaner” – “Listening without effort”

20. 3. Severe/profound hearing loss Speech intelligibility Scale 1-10, Lowest 7, Highest 10 Comments: – “The sound is softer than usually, but much clearer” – “Better speech intelligibility” – “More relaxed listening situations”

21. 3. Severe/profound hearing loss Comfort Scale 1-10, Lowest 7, Highest 10 Comments: – “Battery life is not affected so much” – “The hearing aid is bigger but after a day not noticeable” – “Difficult to wear with hearing protection”

23. Summary Could we make any common summery for tests with DT10? – The users experience good speech intelligibility, could follow conversations more relaxed in different sound environment – The users commented especially on good sound quality – There was very few or no drop outs – The users were used to ALDs and comment that the sound is more natural in DT10 than what they were used to. – DT10 seems to work in a good way with all manufacturers’ hearing aids – The degree of hearing loss does not seem to influence the satisfaction with the sound quality and speech intelligibility – Users commented about the size of the hearing aid with audio shoe and DT10, but in the end they chose the DT10