Nokia Corporation

Tommi Antero Raussi

Jarmo Ilkka Saari

Janne J Kallio

Antti Pekka Kelloniemi

Markus Vaalgamaa

Erkki Paajanen

Andrew P Bright

Ossi Mäenpää

Kimmo Kaukoranta

Jari Toropainen

An apparatus, method and computer program, the apparatus including a loudspeaker configured to convert an electrical input signal into an acoustic output signal; a connecting portion configured to interchangeably connect to either a first adapter or a second adapter where the first adapter is configured to fit in a user's ear canal and the second adapter is configured to fit to a user's concha; and a regulator for regulating sound pressure level created by the acoustic output signal at an ear drum of the user in dependence on whether the first adapter or the second adapter is connected to the connecting portion.

Apparatus, method and computer program for providing an acoustic output signal using an earpiece

Radio terminal equipment of a communication system, the communication system comprising one or more secondary units coupled to the radio terminal equipment, the radio terminal equipment comprising: means for receiving information on audio characteristics optimising an audio signal of the secondary unit, means for converting the audio characteristics information into a form of an audio control algorithm used in the radio terminal equipment for performing a secondary unit audio control algorithm, means for optimising an audio signal of the secondary unit by using the secondary unit audio control algorithm.

Controlling method, secondary unit and radio terminal equipment

Growing community of inventors

Halikko, Finland

Tommi Antero Raussi