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| Number | Title | Issue Date |
| 8447041 | Audio output apparatus, audio output method, audio output system, and program for audio output processing An electricity-to-sound converter reproduces a sound according to a first audio signal. A sound collector outputs a second audio signal. A first frequency band limit filter filters the second audio signal. A sound leakage evaluating block evaluates a leakage of a so... | 05/21/2013 |
| 8428270 | Audio gain control using specific-loudness-based auditory event detection In one disclosed aspect, dynamic gain modifications are applied to an audio signal at least partly in response to auditory events. In another aspect, an input channel is divided into auditory events by detecting changes in a measurable characteristic of the input si... | 04/23/2013 |
| 8416957 | Audio source detection system In a sound source localization system using a light emitting device for visualizing sound information, including: a light emitting device (40) including a microphone for receiving sound from a sound source (1, 2) and a light emitting means for emitting... | 04/09/2013 |
| 8401197 | Audio power monitoring system An audio power display provides a signal and an update rate. An audio power monitoring system comprises a digital display unit including at least one light-emitting display element and a rapid update rate. The digital display unit displays signal levels at the rapid... | 03/19/2013 |
| 8396225 | Active noise control using bass management and a method for an automatic equalization of sound pressure levels A method for an automatic equalization of sound pressure levels in at least one listening location, where the sound pressure is generated by a first and at least a second loudspeaker, comprising supplying an audio signal of a programmable frequency to each loudspeak... | 03/12/2013 |
| 8391501 | Method and apparatus for mixing priority and non-priority audio signals An audio processor (202) receives a non-priority audio signal (302) and a priority audio signal (304). The priority audio signal occupies a frequency band (408). The audio processor filters (320) the non-priority audio signal by su... | 03/05/2013 |
| 8379870 | Ambient audio transformation modes A method and device for transforming ambient audio are provided. Example embodiments may include monitoring ambient audio proximate to a sound processing device located in an environment. The device may receive a selection from a user interface. The selection may co... | 02/19/2013 |
| 8358786 | Method and apparatus to measure hearing ability of user of mobile device Provided are a method and apparatus to measure in real time the hearing ability of a user in a game environment of a mobile device. The method includes generating a series of sound patterns and visual patterns for a combination of a specific frequency and level of s... | 01/22/2013 |
| 8340308 | Method and apparatus for automatic noise compensation used with audio reproduction equipment A method and an apparatus for automatic noise compensation used with audio reproduction equipment are provided. The method comprises: (a) collecting a plurality of mixed audio signals, each mixed audio signal including equipment sound output by the audio reproductio... | 12/25/2012 |
| 8335318 | Active noise reduction adaptive filtering An active noise reduction system that reduces the incidence of divergence in the presence of high amplitude interfering noise. A limited frequency range threshold is established. ... | 12/18/2012 |
| 8331573 | Applause attenuation system A method and apparatus for attenuating applause from a satellite radio signal, including, a spectrum analyzer and comparator having an internal memory for obtaining a spectral signature of different sounds in the radio signal, a detector automatically detecting whet... | 12/11/2012 |
| 8331574 | Automatic external defibrillator with enhanced clarity of audible prompts An automatic external defibrillator produces audible prompts for a user by providing the audible information with default audio characteristics in response to a first ambient noise condition and providing the audible information having different audio characteristic... | 12/11/2012 |
| 8331575 | Data processing apparatus and parameter generating apparatus applied to surround system Calculation is performed for sound paths 112-1, 114-1 along which sounds emitted from a sound emitting point 104 in an acoustic space 102 are reflected and delivered to a sound receiving point 106. By the calculation, enteri... | 12/11/2012 |
| 8315398 | System for adjusting perceived loudness of audio signals A method of adjusting a loudness of an audio signal may include receiving an electronic audio signal and using one or more processors to process at least one channel of the audio signal to determine a loudness of a portion of the audio signal. This processing may in... | 11/20/2012 |
| 8315399 | Device for and a method of processing audio data A device (500) for processing audio data (102) comprises an envelope detector (101) for detecting an envelope of the audio data (102) and a frequency generator (103) for generating an oscillation signal (104) oscillating at ... | 11/20/2012 |
| 8311229 | Reduction of clicking sounds in audio data stream Disclosed is a method of reducing clicking sounds in an audio data stream. The samples of the audio data are delayed by a predetermined amount in a sliding window containing a predetermined number of samples. The presence of a clicking sound in the delayed data with... | 11/13/2012 |
| 8311228 | Ear input sound pressure level monitoring system Systems and methods for monitoring a sound pressure level dose at an ear are provided. A system includes an audio transducer which outputs a sound signal is placed within an ear to receive sound at the ear. A sound level threshold detector determines whether a sound... | 11/13/2012 |
| 8300834 | Audio signal processing device and audio signal processing method for specifying sound generating period Even in a state that the change of an environmental noise cannot be anticipated, a sound generating period in an audio signal can be specified with high accuracy. Sound in an audio space in which an audio signal processing system 1 is disposed is always colle... | 10/30/2012 |
| 8295499 | Audio information processing and attack detection apparatus and method An audio information processing apparatus and method include dividing an audio signal, determining a time period having a power change ratio of an audio signal larger than a first threshold value as an attack candidate, searching the time period of the attack candid... | 10/23/2012 |
| 8295498 | Apparatus and method for producing 3D audio in systems with closely spaced speakers An audio processing circuit includes a crosstalk cancellation circuit that is advantageously simplified for use in audio devices that have closely-spaced speakers. In particular, crosstalk filtering as implemented in the circuit assumes that the external head-relate... | 10/23/2012 |
| 8270620 | Method of performing measurements by means of an audio system comprising passive loudspeakers The present invention relates to a method of performing measurements by means of an audio system comprising passive loudspeakers, whereby said measurements loudspeakers for producing sound and at least one of said loudspeakers for measuring said sound. The present i... | 09/18/2012 |
| 8270619 | System for objective quantification of listener envelopment of a loudspeakers-room environment A system quantifies listener envelopment in a loudspeakers-room environment. The system includes a binaural detector that receives frequency modulated audible noise signals from multiple loudspeakers. The binaural detector generates detected signals that are analyze... | 09/18/2012 |
| 8270621 | Automatic generation of audible alert according to ambient sound In one embodiment, ambient sound in audible range of a telephone is electronically sampled, and an audible alert is automatically generated in response to an incoming call signal as a function of the sampled ambient sound. The ambient sound sample may be analyzed in... | 09/18/2012 |
| 8259954 | Enhancing comprehension of phone conversation while in a noisy environment In one embodiment, one or more users may be participating in a conversation. In one example, a first user may be speaking into a speaker end device and a second user may be listening at a listener end device. The second user may be in an environment where noise may ... | 09/04/2012 |
| 8254587 | Method and apparatus for objective assessment of in-ear device acoustical performance A method and apparatus for objectively assessing acoustical performance of an in-ear device having a passageway extending there through use a dual microphone probe that removably engages the passageway. The acoustical performance of the in-ear device is performed wi... | 08/28/2012 |
| 8254586 | Method and apparatus for objective assessment of in-ear device acoustical performance A method and apparatus for objectively assessing acoustical performance of an in-ear device having a passageway extending there through use a dual microphone probe that removably engages the passageway. The acoustical performance of the in-ear device is performed wi... | 08/28/2012 |
| 8249259 | Voice intelligibility enhancement system and voice intelligibility enhancement method In a voice intelligibility enhancement system that controls a gain of a voice signal based on noise power and voice power of the voice signal generated by a voice signal generation unit, it is detected whether the voice power is equal to or greater than a predetermi... | 08/21/2012 |
| 8243937 | Adaptive ambient audio transformation A method and device for transforming ambient audio are provided. Example embodiments may include monitoring ambient audio proximate to a sound processing device located in an environment. The device may sense environmental conditions associated with the environment.... | 08/14/2012 |
| 8238563 | System, devices and methods for predicting the perceived spatial quality of sound processing and reproducing equipment The present invention relates to a method and corresponding system for predicting the perceived spatial quality of sound processing and reproducing equipment. According to the invention a device to be tested, a so-called device under test (DUT), is subjected to one ... | 08/07/2012 |
| 8229124 | System for adjusting perceived loudness of audio signals A method of adjusting a loudness of an audio signal may include receiving an electronic audio signal and using one or more processors to process at least one channel of the audio signal to determine a loudness of a portion of the audio signal. This processing may in... | 07/24/2012 |
| 8229125 | Adjusting dynamic range of an audio system An audio reproduction system substantially fits the dynamic range of recorded and broadcast music (or other type of audio content) into a desired output dynamic range, bounded by the available dynamic range of the listening environment. In some scenarios the output ... | 07/24/2012 |
| 8223979 | Enhancement of speech intelligibility in a mobile communication device by controlling operation of a vibrator based on the background noise A mobile communication device includes a loudspeaker for reproducing speech from a speech signal, a vibrator, and a measuring unit for measuring background noise in relation to the reproduced speech. The communication device further includes a vibrator processing un... | 07/17/2012 |
| 8223978 | Target sound analysis apparatus, target sound analysis method and target sound analysis program A target sound analysis apparatus capable of distinguishing between a sound having the same fundamental period as a target sound but which differs therefrom and the target sound and analyzing whether or not the target sound is contained in an evaluation sound is an ... | 07/17/2012 |
| 8223980 | Method for modeling effects of anthropogenic noise on an animal's perception of other sounds The invention is a software program which estimates the effect of environmental noise on hearing and acoustic communication in birds and other animals. The calculation uses information about the acoustic characteristics of the environmental noise, the acoustic chara... | 07/17/2012 |
| 8218777 | Multipoint communication apparatus According to an aspect of an embodiment, a multipoint communication apparatus comprises: a receiving unit for receiving a plurality of signals containing voice signal elements and noise signal elements from the plurality of other communication apparatuses, respectiv... | 07/10/2012 |
| 8218778 | Method for showing array microphone effect A method for showing an array microphone effect includes the steps of obtaining an original acoustic signal from array microphones, and visualizing the original acoustic signal to obtain a figure. The original acoustic signal includes a crystal voice, out-beam noise... | 07/10/2012 |
| 8213624 | Loudness measurement with spectral modifications The perceived loudness of an audio signal is measured by modifying a spectral representation of an audio signal as a function of a reference spectral shape so that the spectral representation of the audio signal conforms more closely to the reference spectral shape,... | 07/03/2012 |
| 8208644 | Earhealth monitoring system and method III A system for monitoring sound pressure levels at the ear includes an ambient sound microphone (ASM) for receiving ambient sounds and an ear canal receiver (ECR) for producing audio signals as a function of ambient sound received at the ambient sound microphone and a... | 06/26/2012 |
| 8208643 | Generating music thumbnails and identifying related song structure Provided are, among other things, systems, methods, software programs and techniques for generating an audio thumbnail for a musical piece, in which locations of different repeating segments within an input musical piece are identified. In addition, a singing segmen... | 06/26/2012 |
| 8204237 | Adaptive primary-ambient decomposition of audio signals A stereo audio signal is processed to determine primary and ambient components by transforming the signal into vectors corresponding to subband signals, and decomposing the left and right channel vectors into ambient and primary components by matrix and vector opera... | 06/19/2012 |
