Comfort Digisystem Receiver DT10

Comfort Digisystem Receiver DT10

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.

Feedback from clients using Comfort Digisystem Receiver DT10

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

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

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!”

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? ”

SecureStream Technology

Dynamic range

Input sound pressure level (dB-SPL)

Equi

vale

nt o

utpu

t sou

nd le

vel (

dB-S

PL)

► SST

Linear: 30 – 90 dB SPL

AGC above 90 dB SPL

► Typical FM system

Linear: 55 – 72 dB SPL

AGC above 72 dB SPL

SecureStream Technology

SecureStream Technology

Dynamic range FM

SecureStream Technology

Dynamic range SST

Speech banana in dB SPL

SST for speech intelligibility

80

90

70

60

50

40

250 500 1000 2000 4000 8000

j e l

m d bn r

i ao g h p sh

k tf s

th

dB SPL

Hz

Speech banana in dB SPL using traditional FM

Speech intelligibility

80

90

70

60

50

40

250 500 1000 2000 4000 8000

j e l

m d bn r

i ao g

h p sh

k tf s

th

Speech banana in dB SPL

Speech intelligibility

80

90

70

60

50

40

250 500 1000 2000 4000 8000

j e l

m d bn r

i ao g h p sh

k tf s

th

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”

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

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

3. Severe/profound hearing loss

• 4 participants (Phonak, ReSound)

• Severe hearing losses

• Already users of ALDs

• Rated:– Sound Quality– Speech intelligibility – Comfort

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”

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”

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”

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