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Evolving the philosophy: from the NAL rule to NAL-NL3

Pádraig T Kitterick1, Justin A Zakis1, Brent Edwards1

  • 1National Acoustic Laboratories, Sydney, Australia.

International Journal of Audiology
|June 24, 2026
PubMed
Abstract

Keywords:
NAL-NL3amplificationcompressionhearing aid fitting prescription

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