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Method and apparatus for boosting an audible signal in a...

Electrical audio signal processing systems and devices – With amplifier
Reexamination Certificate

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Method and apparatus for boosting an audible signal in a...

Electrical audio signal processing systems and devices – With amplifier
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Method and apparatus for canceling interference in a...

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
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Method and apparatus for canceling leakage from a speaker

Electrical audio signal processing systems and devices – Binaural and stereophonic
Patent

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Method and apparatus for canceling noise from sound input...

Electrical audio signal processing systems and devices – Noise or distortion suppression
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Method and apparatus for cancelling vibration

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Method and apparatus for cancelling vibrations

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Method and apparatus for characterizing audio transmitting...

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Counterwave generation control path
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Method and apparatus for checking a measuring situation in...

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Testing of hearing aids
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Method and apparatus for checking audio signals

Electrical audio signal processing systems and devices – Monitoring of sound
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Method and apparatus for classifying audio signals

Electrical audio signal processing systems and devices – Monitoring of sound
Patent

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Method and apparatus for coding audio signals based on perceptua

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Method and apparatus for coding audio signals based on perceptua

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Method and apparatus for communication operator privacy

Electrical audio signal processing systems and devices – Sound or noise masking
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Method and apparatus for comparing patterns

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Method and apparatus for compensating multi-resolution linear di

Electrical audio signal processing systems and devices – Including frequency control
Patent

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Method and apparatus for computer communication using audio...

Electrical audio signal processing systems and devices – One-way audio signal program distribution
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Method and apparatus for conserving battery power

Electrical audio signal processing systems and devices – Headphone circuits
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Method and apparatus for context-dependent estimation of multipl

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Method and apparatus for continuous noise exposure monitoring

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Testing of hearing aids
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