Invalidity dossier
US 9172345
Personalized adjustment of an audio device
Current assignee: Faunus IP Holdings LLC
Added 10/30/2026, 12:01:13 AM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
US 9,172,345 B2 — Concise Overview
Title: Personalized adjustment of an audio device
Patent number: US 9,172,345 B2 (application US 13/191,033)
Inventors: Hui Siew Kok; Tan Eng Sui
Original assignee: Bitwave Pte Ltd
Priority date: 2010-07-27 | Filed: 2011-07-26 | Published: 2015-10-27 (application published as US 2012/0027227 A1)
Source: https://patents.google.com/patent/US9172345/en
Purpose. Conventional audio devices use narrow bandwidth, frequency equalization, or volume control, but these do not account for each user's hearing sensitivity, so users still perceive audio differently. The patent addresses this by personalizing an audio device (e.g., a headset) to an individual's hearing sensitivity.
Plain-language scope. A user tunes the device frequency band by frequency band: in a tuning mode, a control panel (man-machine interface, wired or wireless) commands the device to play a tone in a selected band, and the user raises its volume until the tone is clearly perceived. The stored level is that user's minimum perceived level for that band. From these levels, gain settings are computed and applied to multi-band filters so the audio is offset or equalized to the user's hearing. The control panel provides band selection and volume control. During normal use, the system monitors environmental noise and automatically adjusts signal level per frequency band to match the user's hearing level. Audio sensing may use a micro-array of two or three closely spaced sensors, with signal processing that optimizes voice quality while reducing noise. The drawings show normal versus hearing-impaired frequency responses (FIG. 1), loudspeaker response in headphones (FIG. 2), the tuning system (FIG. 3), and block diagrams of the interface (FIG. 4) and related components (FIG. 5).
What the excerpt does not establish. The supplied text does not include the claims, detailed description, or cited prior art, so the precise claim scope, claim count, and any claim limitations cannot be stated. It also gives no examiner reasoning, validity assessment, or litigation/ownership information; consistent with instructions, none of that is addressed here. Any statements about scope above reflect only the summary passages provided.
Generated 10/30/2026, 12:01:26 AM
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Litigation summary
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Assignment history
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Prior art
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Obviousness
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Derivative works
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