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Controllable acoustic transducer

An acoustic transducer and controller technology, applied in the direction of microphone signal combination, electrostatic transducer microphone, sensor, etc., can solve the problem that the narrowband codec of the transducer is no longer ideal

Inactive Publication Date: 2016-10-26
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a transformer optimized for wideband codecs may no longer be ideal for use with narrowband codecs, and vice versa

Method used

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  • Controllable acoustic transducer
  • Controllable acoustic transducer
  • Controllable acoustic transducer

Examples

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Embodiment Construction

[0057] Suitable means and possible mechanisms for providing a transducer with variable acoustic properties are described in further detail below. For this, first refer to figure 1 , which shows a schematic block diagram of an exemplary apparatus or electronic device 10 that may incorporate a transducer with variable acoustic properties according to certain embodiments.

[0058] The electronic device 10 may be, for example, a user equipment or a mobile terminal of a wireless communication system.

[0059] The electronic device 10 includes a microphone 11 linked to a processor 21 via an analog-to-digital converter (ADC) 14 . The processor 21 is further linked to a speaker 33 via a digital-to-analog converter (DAC) 32 . The processor 21 is further linked to a transceiver (TX / RX) 13 , a user interface (UI) 15 and a memory 22 .

[0060] The processor 21 can be configured to execute various program codes. The executed program code may include encoded code routines. The execute...

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Abstract

Apparatus comprising: an acoustic transducer, and a sound channel coupled to the acoustic transducer, the sound channel comprising an element having a shape that is electrically controllable, wherein the shape of the element is electrically controllable to change the acoustic properties of the sound channel.

Description

[0001] Instructions for Divisional Application [0002] This application is a branch of an invention patent application (named "Controllable Acoustic Transducer") that entered the Chinese national phase on December 29, 2011, with an international filing date of March 26, 2010, and application number 201080029602.X. case application. technical field [0003] The invention relates to a device. The invention further relates to, but is not limited to, an arrangement for use in a mobile device. Background technique [0004] Many types of portable devices, such as mobile phones, include multiple acoustic transducers, such as microphones, earphones and speakers. Such transducers are key components in the audio / acoustic design of mobile phones. Typically, there will be one or more back cavities and sound channels associated with each acoustic transducer. Such sound channels can ensure a specific frequency response for the transducer and must be carefully designed as part of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R19/04
CPCH04R1/326H04R3/005H04R19/04
Inventor M·叙万托K·奥茨坎
Owner NOKIA TECH OY