directional microphone technology - Phonak

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Feature Phonak Dynamic FM Bluetooth Microphones Range 15m indoors. Up to 50 meters outdoors 15m (best case). Comfortable range is 8m SNR Up to 24 dB 12 dB Mic Selection Omni, Zoom, SuperZoom Omni only Connectivity Multiple receivers (ear level as well as inductive neck loop). Compatible with all brands of HI and CI. Audio input of all transmitters . Bluetooth on SmartLink+ Sends only to one receiver (body-worn streamer) Operating Time 10-12 hours 5 hours Applications Single speaker, report style, conference Single speaker only
• To achieve an improvement in SNR up from a Bluetooth Microphone system would be to use a fixed gain wireless system • Examples include: – Phonak‟s 2 nd Generation systems such as Campus, SmartLink SX, ZoomLink, EasyLink (silver casing) – Oticon Amigo – Comfort Audio Digisystem • These are all examples of fixed gain systems and achieve similar results • Most incorporate directional microphones on the transmitters and therefore can achieve higher SNR‟s than Bluetooth microphones • Additional benefits include greater operating ranges and longer battery life • However, cost is significantly higher
Page 1 and 2: Peter Stelmacovich FM Classroom and
Page 3 and 4: SNR in typical Listening situations
Page 5 and 6: FM Classroom February 2013
Page 7 and 8: Pediatric_A_GB without dNC with dNC
Page 9 and 10: • Improvements in SNR for directi
Page 13 and 14: 13 -35° 0° 35° - 60° 60° -90°
Page 15 and 16: • Directional microphones have pr
Page 17 and 18: • By moving a microphone from the
Page 19 and 20: 19 • Wireless, omnidirectional mi
Page 21: • Wear it at the correct location
Page 25 and 26: • Dynamic FM is different than fi
Page 27 and 28: • Ambient noise levels are estima
Page 31 and 32: 1. Children with hearing loss that
Page 33 and 34: • LiSN-S PGA is a brand new diagn
Page 35 and 36: Run the test Professional clicks
Page 37 and 38: LiSN-S PGA‟s results mention clea
Page 39 and 40: X Even with amplification, the pati
Page 41 and 42: X FM Classroom February 2013 Even w

directional microphone technology - Phonak

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