US Patent 9264823 Audio headset with automatic equalization
Patent 9264823 was granted and assigned to Apple (company) on February, 2016 by the United States Patent and Trademark Office.
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An accessory having an earbud for insertion into a user's ear is disclosed. The earbud may include a speaker and a microphone in which the speaker plays an audio signal for the user and the microphone receives the audio signal. The accessory includes a processor that is coupled to the speaker and the microphone to execute various operations. For example, the operations may include: determining a ratio of an energy estimation of the speaker audio signal to an energy estimation of the audio signal received by the microphone; determining a gain for the speaker audio signal based upon the ratio; based upon the gain, selecting a shelving filter; and applying the shelving filter to the speaker audio signal.
US Patent 09264823 Audio headset with automatic equalization US Patent 9264823 Audio headset with automatic equalization
US Patent 09264823 Audio headset with automatic equalization
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