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SonyPatent applicationAudio & voiceInterest 6/10

Sony patents microphone filters that adjust to the language you speak

Sony describes a method where a microphone automatically detects which language you are speaking to improve sound quality. It combines a standard noise-canceling filter with a specific filter tuned for that particular language. This helps the device better distinguish your voice from background noise in different languages.

Why it mattersThis could make voice commands and calls clearer for people who speak multiple languages or switch between them.

In the filing’s own words

Microphone signal processing (e.g., noise cancellation) can be dynamically modified based on a current language context. For example, given a baseline noise cancellation filter, a set of language-specific filters can be defined to be used together with the baseline noise cancellation filter. When audio data is received from a microphone, a current language context, indicative of a language currently being spoken into the microphone, can be determined automatically or based on a user-selectable setting. A particular language-specific filter can be selected from the filter set based at least in part on the current language context, and the baseline noise cancellation filter and the selected language-specific filter can be applied to the audio data.

What exactly they claim (claim 1)

1. A method comprising: receiving audio data from a microphone; determining a current language context for the audio data, the current language context indicative of a language currently being spoken into the microphone; selecting a first language-specific filter from a filter set based at least in part on the current language context, wherein the filter set includes a plurality of language-specific filters corresponding to different language contexts, the plurality of language-specific filters including the first language-specific filter; and applying a plurality of filters, including a baseline noise cancellation filter and the first language-specific filter, to the audio data to produce filtered audio data.

Facts

Company
Sony (Sony Interactive Entertainment Inc.)
Official title
DYNAMIC MICROPHONE SIGNAL PROCESSING BASED ON CURRENT LANGUAGE CONTEXT
Publication number
US20260279375A1
Application number
19079338
Filed
Mar 13, 2025
Published
Sep 17, 2026
Inventors
2
Claims
20

Classified under

G10L 21/0216 Physics & computingG10L 15/005 Physics & computingG10L 2021/02163 Physics & computing
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.