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Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/57
Name: Electrical audio signal processing systems and devices > Monitoring of sound > Amplification control responsive to ambient sound
Description: Subject matter where the ambient sound level, at a place where sound is being reproduced, is evaluated and the result used to control the volume of the reproduced sound.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8712070 Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities Apr. 29, 2014
8705753 System for processing sound signals in a vehicle multimedia system Apr. 22, 2014
8675882 Sound signal processing device and method Mar. 18, 2014
8666082 Utilizing information from a number of sensors to suppress acoustic noise through an audio processing system Mar. 4, 2014
8638945 Apparatus and method for encoding/decoding signal Jan. 28, 2014
8634578 Multiband dynamics compressor with spectral balance compensation Jan. 21, 2014
8630427 Telecommunications terminal and method of operation of the terminal Jan. 14, 2014
8615092 Sound processing device, correcting device, correcting method and recording medium Dec. 24, 2013
8611548 Noise analysis and extraction systems and methods Dec. 17, 2013
8594345 Automatic correction of loudness level in audio signals Nov. 26, 2013
8588429 Sound device and sound control device Nov. 19, 2013
8588430 Controlling an adaptation of a behavior of an audio device to a current acoustic environmental condition Nov. 19, 2013
8553905 Always on headwear recording system Oct. 8, 2013
8553908 Amplification apparatus Oct. 8, 2013
8553916 Method and hearing aid for changing the sequence of program positions Oct. 8, 2013
8536992 Apparatus and method of reproducing content in mobile terminal Sep. 17, 2013
8532308 Standing wave detection apparatus and method of controlling the same Sep. 10, 2013
8520859 System for comfort noise injection Aug. 27, 2013
8515085 Signal processing apparatus Aug. 20, 2013
8515091 Forwarding an audio signal in an immersive audio conference system Aug. 20, 2013
8498430 Automatic correction of loudness level in audio signals Jul. 30, 2013
8494172 System and method for adjusting audio input and output settings Jul. 23, 2013
8493204 Displaying sound indications on a wearable computing system Jul. 23, 2013
8488802 Sound field control device Jul. 16, 2013
8488811 Audio-peak limiting in slow and fast stages Jul. 16, 2013
8477956 Howling suppression device, howling suppression method, program, and integrated circuit Jul. 2, 2013
8462963 System and method for processing audio signal Jun. 11, 2013
8457335 Environment adaptive type hearing aid Jun. 4, 2013
8457321 Adaptive audio output Jun. 4, 2013
8451102 Methods, devices, and computer program products for providing ambient noise sensitive alerting May. 28, 2013
8452028 Dynamic surround channel volume control May. 28, 2013
8447041 Audio output apparatus, audio output method, audio output system, and program for audio output processing May. 21, 2013
8433077 Noise removal device and noise removal method Apr. 30, 2013
8428758 Dynamic audio ducking Apr. 23, 2013
8422700 Audio signal adjusting system and method Apr. 16, 2013
8416958 Signal processing apparatus Apr. 9, 2013
8410914 Methods, devices, and computer program products for providing ambient noise sensitive alerting Apr. 2, 2013
8396229 Musical maternity belt Mar. 12, 2013
8391527 In the ear hearing device with a valve formed with an electroactive material having a changeable volume and method of operating the hearing device Mar. 5, 2013
8379870 Ambient audio transformation modes Feb. 19, 2013
8379879 Active noise reduction system Feb. 19, 2013
8369536 Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers Feb. 5, 2013
8362921 Vehicle external warning sound generation system and method Jan. 29, 2013
8355921 Method, apparatus and computer program product for providing improved audio processing Jan. 15, 2013
8346542 Apparatus and method for widening audio signal band Jan. 1, 2013
8345885 Sound signal adjustment apparatus and method, and telephone Jan. 1, 2013
8340308 Method and apparatus for automatic noise compensation used with audio reproduction equipment Dec. 25, 2012
8335318 Active noise reduction adaptive filtering Dec. 18, 2012
8331574 Automatic external defibrillator with enhanced clarity of audible prompts Dec. 11, 2012
8314893 Remote control and method for automatically adjusting the volume output of an audio device Nov. 20, 2012

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