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| Number | Title | Issue Date |
| 8189797 | Visual representation of audio data Systems, methods, and computer program products for displaying audio data are provided. In some implementations, a computer-implemented method is provided. The method includes receiving audio data and displaying a composite image representing the audio data. The com... | 05/29/2012 |
| 8184816 | Systems and methods for detecting wind noise using multiple audio sources A method for detecting wind noise is described. At least two audio signals are received. The at least two audio signals are filtered to reduce higher frequencies and to reduce lower frequencies to provide at least two filtered audio signals. The cross correlation of... | 05/22/2012 |
| 8175282 | Method of evaluating perception intensity of an audio signal and a method of controlling an input audio signal on the basis of the evaluation Method of evaluating perception intensity of an audio input signal (IS) comprising the steps of receiving the audio input signal (IS), estimating a time variant distribution function (TVDF) on the basis of said audio input signal (IS) or a derivative thereof, determ... | 05/08/2012 |
| 8175283 | Sound analyzer based on a biomorphic design A device and a method for analyzing sound based on a biomorphic design are disclosed. The device comprises a plurality of amplification/filtering stages (S1, . . . , Sn) connected in a series configuration. Each amplification/filtering stage comprises at leas... | 05/08/2012 |
| 8165306 | Information retrieving method, information retrieving device, information storing method and information storage device A sound characteristic parameter is obtained for an audio signal to be analyzed by analyzing the signal by means of a sound characteristic parameter analyzing section arranged upstream relative to a similarity determining section. A sound signal operation as retriev... | 04/24/2012 |
| 8160261 | Audio monitoring system An earphone monitoring system is disclosed that provides for user information and control regarding ambient and monitored sound levels. ... | 04/17/2012 |
| 8155327 | Tone detector and method used in a robot for detecting a tone A tone detection device for detecting whether an input signal having a tone. The device includes a volume gain calculation unit performing a volume gain treatment on frame data and outputting the volume-gain-treated frame data and energy in time domain thereof, a th... | 04/10/2012 |
| 8155325 | Sound quality display apparatus, sound quality display method, computer readable medium on which sound quality display program is recorded and sound camera Disclosed are a sound quality display apparatus, a sound quality display method, a computer readable medium on which a sound quality display program is recorded, and a sound camera. The apparatus includes a sound detector detecting sound generated from a sound sourc... | 04/10/2012 |
| 8155326 | System, method, and apparatus for using the sound signature of a device to determine its operability A system for monitoring the operation of one or more devices is provided. The system includes a microphone acoustically coupled to one the monitored device. An analog-to-digital-converter samples the microphone and a processor examines the resultant digital signal f... | 04/10/2012 |
| 8150043 | Sound pressure level monitoring and notification system Methods of acoustic dose monitoring and acoustic dose systems are provided. An acoustic dose system includes a first device configured to measure sound pressure levels directed to an ear drum and a second device configured to convert the sound pressure levels into a... | 04/03/2012 |
| 8144881 | 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 and/or the degree of change in signal characteristics associated with said auditory event boundaries. In another aspect, an audio signal... | 03/27/2012 |
| 8121299 | Method and system for music detection Methods, digital systems, and computer readable media are provided for detection of music in an audio signal. Music is detected by partitioning the audio signal into overlapping frames, determining a fundamental frequency of a frame in the overlapping frames, includ... | 02/21/2012 |
| 8121300 | Drum accessory for gating of a microphone on a drum A drum accessory comprising a housing for attaching to a drum; a microprocessor disposed in the housing; an audio gate circuit disposed in the housing and operatively connected to the microprocessor and operatively connected to a microphone; and a drum trigger senso... | 02/21/2012 |
| 8116463 | Method and apparatus for detecting audio signals A method and an apparatus for detecting audio signals are disclosed. The input audio signal is inspected to check whether it is a foreground frame or a background frame; the detected background signal is further inspected according to the music eigenvalue and the de... | 02/14/2012 |
| 8116462 | Method and system of real-time identification of an audiovisual advertisement in a data stream Method and system of identification of at least one audiovisual advertisement in a data stream, such as a digital television broadcasting, by detecting energy drops in an audio stream of the data stream and comparing a segment of the audio stream starting at the ene... | 02/14/2012 |
| 8116461 | Sound volume automatic adjustment method and system A control method to automatically adjust the volume of a sound transmitter based on the measurement and the computation of the acoustic statistics of the room where the sound is emitted. The system comprises at least one sensor, a calculator determining statistics o... | 02/14/2012 |
| 8098832 | Apparatus and method for detecting sound An apparatus for detecting sound includes a plurality of microphones, a sound inspecting unit, a direction estimating unit, a background noise removing unit, and an alerting unit. The microphones are used to collect sounds around a user. The sound inspecting unit is... | 01/17/2012 |
| 8098831 | Visual feedback in electronic entertainment system The presentation of visual feedback in an electronic entertainment system is disclosed. One disclosed embodiment relates to a method of providing user feedback in an electronic entertainment system, wherein the method comprises inviting an input from a user, receivi... | 01/17/2012 |
| 8090111 | Signal separator, method for determining output signals on the basis of microphone signals, and computer program A signal separator, a method and computer product for determining a first output signal describing an audio content of a useful-signal source in a first microphone signal, and for determining a second output signal describing an audio content of the useful-signal so... | 01/03/2012 |
| 8090110 | Method and apparatus for determining sound standard for input sound signal A method for determining a sound standard for an input sound signal includes the following steps. Firstly, the input sound signal is filtered to obtain a first filtered signal corresponding to a first frequency and a second filtered signal corresponding to a second ... | 01/03/2012 |
| 8077872 | Headset visual feedback system A visual feedback system that activates a visual display when the sound pressure level from a headset attached to the system exceeds a preset level is provided, along with a method of using the same. The visual feedback system is interposed between the audio source ... | 12/13/2011 |
| 8073146 | Audio test apparatus and test method thereof An audio test apparatus, and an exemplary audio test method that includes: processing an audio file through two independent channels; outputting no signals from a left channel and from a right channel in a first time period; receiving noise signals from the left and... | 12/06/2011 |
| 8073145 | Method and apparatus for separating sound-source signal and method and device for detecting pitch In a sound-source signal separating method, a target sound-source signal in an input audio signal is enhanced, the input audio signal being from a mixture of acoustic signals from a plurality of sound sources picked up by a plurality of sound pickup devices. The pit... | 12/06/2011 |
| 8050415 | Method and apparatus for detecting audio signals A method and an apparatus for detecting audio signals are disclosed. The input audio signal is detected to determine whether it is a background frame. The detected background signal is further detected according to a music characterization value and a decision rule.... | 11/01/2011 |
| 8050414 | Robust pipe-strike pulse detector A method for discriminating a noise pulse from a background noise in which a signal of interest is converted to an envelope signal using an entropy-based envelope generator, which envelope signal is then integrated over a plurality of consecutive integrative periods... | 11/01/2011 |
| 8050413 | System and method for conditioning a signal received at a MEMS based acquisition device A system and method for monitoring for a specified frequency band is disclosed. The technology initially utilizes a micro-electromechanical system (“MEMS”) based acquisition device to monitor an environment. The MEMS device receives a signal from the environment... | 11/01/2011 |
| 8045720 | Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used The invention provides a method for dynamic determination of time constants to be used in a detection of the signal level of an input signal of unknown level in an electric circuit, comprising the following steps: —feed the input signal through an auxiliary level ... | 10/25/2011 |
| 8023661 | Self-adjusting and self-modifying addressable speaker A self-adjusting speaker integrated with an alarm system is provided. The self-adjusting speaker may be used to aurally monitor an area (such as monitoring the ambient noise in the vicinity of the speaker) and adjust the speaker accordingly. The circumstances under ... | 09/20/2011 |
| 8014536 | Audio source separation based on flexible pre-trained probabilistic source models Improved audio source separation is provided by providing an audio dictionary for each source to be separated. Thus the invention can be regarded as providing “partially blind” source separation as opposed to the more commonly considered “blind” source separ... | 09/06/2011 |
| 7983426 | Method for autonomously monitoring and reporting sound pressure level (SPL) exposure for a user of a communication device A method for monitoring and reporting sound pressure level exposure for a user of a first communication device (104) is implemented in one embodiment when the device measures a sound pressure level (SPL) of the surrounding environment. The device stores at le... | 07/19/2011 |
| 7983425 | Method and system for acoustic shock detection and application of said method in hearing devices The present invention provides a method for detecting acoustic shock in an audio input signal (s(t)), comprising the steps of monitoring the input signal (s(t)) in the time-domain. Thereby detecting the signal floor (Sn), detecting the peak level of the input signal... | 07/19/2011 |
| 7953228 | Automatic audio systems for fire detection and diagnosis, and crew and person locating during fires A system and method that use audio feedback from a region being monitored can provide location information pertaining to fire or individuals in the region. Units of a public address system can each be equipped with a microphone. Audio from the microphones can be pro... | 05/31/2011 |
| 7936884 | Replay device and method with automatic sentence segmentation A replay device and method thereof with automatic sentence segmentation is provided. A soundwave analysis module receives a soundwave signal and analyzes the soundwave signal to determine plural segmentation points. A replay actuation module receives a replay comman... | 05/03/2011 |
| 7916874 | Gain adjusting method and a gain adjusting device In a gain adjusting method and a gain adjusting device for adjusting gain of a processed voice signal that is obtained by signal processing of an input voice signal, a masking power of the processed voice signal is computed, and | 03/29/2011 |
| 7912226 | Automatic measurement of audio presence and level by direct processing of an MPEG data stream Automatic measurements are made of audio presence and level in an audio signal by direct processing of an MPEG data stream representing the audio signal, without reconstructing the audio signal. Sub-band data is extracted from the data stream, and the extracted sub-... | 03/22/2011 |
| 7876907 | Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signals Characteristic amounts in each small region of audio signals transmitted in the working system and the standby system are extracted by characteristic amount calculators 6-1, 6-2. A characteristic amount comparator 7 compares the character... | 01/25/2011 |
| 7864967 | Sound quality correction apparatus, sound quality correction method and program for sound quality correction According to one embodiment, various feature parameters are calculated for distinguishing between a speech and music and between music and background sound for an input audio signal. With the feature parameters, score determination is made as to whether the input au... | 01/04/2011 |
| 7817803 | Methods and devices for hearing damage notification and intervention At least one exemplary embodiment is directed to a method of monitoring hearing health comprising: measuring a first acoustic sound pressure level due to an ambient audio signal; measuring a second acoustic sound pressure level due to an emitted audio signal from a ... | 10/19/2010 |
| 7783053 | Level meter displaying method and level meter apparatus A level meter displaying method which is capable of changing the rate of change in the angle or position of an indicator in at least one particular input signal level range. A scale image obtained according to a function which nonlinearly varies with a signal level ... | 08/24/2010 |
| 7769182 | Method and system for comparing audio signals and identifying an audio source A method for defining an index of a match between a content of two audio sources, comprising: sampling audio from a first source and a second source generating a first and second set of samples; selecting a sequential number of samples N belonging to the first set o... | 08/03/2010 |
