METHODS AND APPARATUS TO IMPROVE BASS RESPONSE OF SPEAKERS IN PORTABLE DEVICES
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 14, 2023
filing date -
Sep 14, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus to improve bass response of speakers in portable devices are disclosed. An example speaker includes a speaker box having a front face and a back face, a distance between the front face and the back face being less than 1 inch. The speaker box has a first portion of a back volume and a second portion of the back volume, the first portion of the back volume defined between the back face and a first region of the front face, the second portion of the back volume defined between the back face a second region of the front face. The example speaker further includes an active speaker driver including a first diaphragm, the first diaphragm coupled to the first region of the front face. The example speaker also includes a second diaphragm coupled to the second region of the front face, the second diaphragm being passive.
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