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Patent drawing for Communication system using short range radio communication headset
US 7,536,212 B2
Telephony US 7,536,212 B2 Expired

Communication system using short range radio communication headset

This invention describes a method for a short-range radio communication headset to manage what a user hears. It takes incoming radio signals and mixes them with sounds from the environment, converting those direct sounds into digital signals. The system then uses digital processing to correlate these two sound sources, extracting desired components to reinforce the radio signals before playing them through the headset's speaker.

Why it matters: Since 2006, advancements in low-power digital signal processing (DSP) chips and integrated wireless communication protocols like Bluetooth have made real-time audio adaptation and correlation in compact headsets significantly more efficient and cost-effective. This enables sophisticated ambient sound management that was more resource-intensive two decades ago.

Status
ExpiredProtection ended and was never renewed
How hard to build
ModerateDSP chip, radio, microphone, speaker, software.

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