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Tuesday, 12 Apr 2011

New beyerdynamic headset combines feedback and feedforward ANR

German audio company beyerdynamic has set a new benchmark for aviation headsets with its new HS 800 Digital, which combines the advantages of feedback and feedforward ANR for the first time in a digital system.

Incorporating a newly-developed DANR (Digital Adaptive Noise Reduction), the HS 800 Digital range represents a new generation of active noise-cancelling headsets.

Historically, ANR headsets used a conventional analogue feedback filter, suppressing wideband interference signals with high reaction speed – but the disadvantages include background noise and the limited capacity for complex sounds. Feedforward digital control was introduced by the beyerdynamic HS 600 DANR, introducing adaptability to high-precision frequency peaks. Now, for the first time, the HS 800 Digital combines the benefits of feedback and feedforward ANR.

In addition to the noise attenuation, the wearing comfort is of particular importance to pilots. The HS 800 Digital features cushions upholstered in soft leather; viscoelastic ear padding to distribute the pressure evenly; and a head cushion to protect the fontanel with its shape.

The HS 800 Digital is now available in three versions: one with the two classic jack plugs; the HS 800 Digital Rotor with spiral cable and U-174 / U jack plug for helicopters; and the HS 800
Digital 6pin with a six pin Lemo connector.

Visit www.beyerdynamic.com for further details.

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