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| Number | Title | Issue Date |
| 8185381 | Unified filter bank for performing signal conversions A unified filter bank for performing signal conversions may include an interface that receives signal conversion commands in relation to multiple types of compressed audio bitstreams. The unified filter bank may also include a reconfigurable transform component that... | 05/22/2012 |
| 8150681 | Fast acoustic cancellation A speech enhancement system improves the perceptual quality of an aural signal. A receiver detects and receives an unvoiced signal, a fully voiced signal, or a mixed voice remote signal. A coherence processor identifies the similarities or differences between a loca... | 04/03/2012 |
| 8095357 | Removing time delays in signal paths The disclosed embodiments include systems, methods, apparatuses, and computer-readable mediums for compensating one or more signals and/or one or more parameters for time delays in one or more signal processing paths. ... | 01/10/2012 |
| 8086445 | Method and apparatus for creating a unique audio signature A method and apparatus for creating a signature of a sampled work in real-time is disclosed herein. Unique signatures of an unknown audio work are created by segmenting a file into segments having predetermined segment and hop sizes. The signature then may be compar... | 12/27/2011 |
| 8065136 | Multi-channel encoder In a method of encoding input signals (CH1 to CH3; 400 to 450) in a multi-channel encoder (5; 15) to generate corresponding output data having down-mix output signals (610, 620) together with complementary parametric data (600 | 11/22/2011 |
| 8036879 | Fast acoustic cancellation A speech enhancement system improves the perceptual quality of an aural signal. A receiver detects and receives an unvoiced signal, a fully voiced signal, or a mixed voice remote signal. A coherence processor identifies the similarities or differences between a loca... | 10/11/2011 |
| 7996212 | Device, method and computer program for analyzing an audio signal A hardware device for analyzing an audio signal comprises a calculator for calculating a neural activity pattern over time resulting at nerve fibers of an ear model based on the audio signal and a processor for processing the neural activity pattern to obtain a sequ... | 08/09/2011 |
| 7949651 | Disambiguating residential listing search results A directory assistance system includes a directory database and a search engine. The search engine is configured to search the directory database for a first set of residential listings based on at least one first search term. A second search term is received that i... | 05/24/2011 |
| 7949518 | Hierarchy encoding apparatus and hierarchy encoding method A hierarchy encoding apparatus capable of calculating appropriate delay amounts and also capable of suppressing increase in the bit rate. In this apparatus, a first layer encoding part (101) encodes the input signal of the n-th frame to produce a first layer ... | 05/24/2011 |
| 7945439 | Information processing apparatus, information processing method, and computer program Disclosed herein is an information processing apparatus configured to generate metadata corresponding to content including, a data output, a data input section, a control section, an interaction execution section, an interaction metadata generation section, and a co... | 05/17/2011 |
| 7895033 | System and method for determining a common fundamental frequency of two harmonic signals via a distance comparison One embodiment of the present invention provides a method of determining an evidence value capturing whether two band-pass signals are harmonics of a common fundamental frequency. A further embodiment of the present invention evaluates the distance between significa... | 02/22/2011 |
| 7890319 | Signal processing apparatus and method thereof An improved and computationally efficient signal processing is provided to estimate and reduce noise in a sampled signal. Hence, a first filter recursive filters a vector in the signal in one direction along the vector, a second filter recursive filters the vector i... | 02/15/2011 |
| 7865359 | Waveform modulated wireless rural area network (WRAN) systems and modulation and multiple access techniques for wireless communication systems A method and system for transmitting data in a wireless network. The method includes generating a plurality of waveforms corresponding to a plurality of frequency subbands for a predetermined frequency band. The predetermined frequency band is divided into a plurali... | 01/04/2011 |
| 7844450 | Method for analysing signals containing pulses The invention provides a method for analysing an input signal having an input frequency bandwidth. The method comprises providing at least one frequency-bandwidth limited portion of the input signal. For each frequency-bandwidth limited portion of the input signal t... | 11/30/2010 |
| 7778823 | Pre-processing individual audio items in a media project in order to improve real-time processing of the media project Some embodiments of the invention provide a method of processing audio data while creating a media presentation. The media presentation includes several audio streams. The method processes a section of a first audio stream and stores the processed section of the fir... | 08/17/2010 |
| 7778822 | Allocating audio processing among a plurality of processing units with a global synchronization pulse Resources may be dynamically allocated in a distributed processing portable electronic communication device. The dynamic allocation may include receiving an instruction to process an audio processing task related to audio data; determining whether resources for proc... | 08/17/2010 |
| 7711552 | Efficient filtering with a complex modulated filterbank A filter apparatus for filtering a time domain input signal to obtain a time domain output signal, which is a representation of the time domain input signal filtered using a filter characteristic having an non-uniform amplitude/frequency characteristic, comprises a ... | 05/04/2010 |
| RE41292 | Modular digital recording logger A modular digital recording system that records audio on digital audio tapes provides redundancy and the ability to record audio while listening to portions of audio that had been recorded on the DAT. The system uses a hard disc that receives audio for recording sim... | 04/27/2010 |
| 7693706 | Method for generating encoded audio signal and method for processing audio signal A method for generating an encoded audio signal, and a method for processing the same during the multi-channel audio coding are disclosed. The present invention provides the method for generating an encoded audio signal comprising: generating basic spatial informati... | 04/06/2010 |
| 7680650 | Very low bit rate speech transmission system A very low bit rate communication system. In preferred embodiments, an off-the-shelf module is adapted to convert a speaker's voice to text. A processor is provided to separate the text into individual words. The processor is programmed with a dictionary which provi... | 03/16/2010 |
| 7643987 | Voice channel chaining in sound processors An improved method and apparatus for controlling the voice channels in sound processors includes: programming a first voice channel to instruct a second voice channel to execute an event when a trigger condition occurs; determining by the first voice channel that th... | 01/05/2010 |
| 7587310 | Sound processor architecture using single port memory unit A system and method for implementing a sound processor. The sound processor includes a first voice engine, a second voice engine, and at least one single-port memory unit. An operation of the first voice engine and an operation of the second voice engine are time of... | 09/08/2009 |
| 7562012 | Method and apparatus for creating a unique audio signature A method and apparatus for creating a signature of a sampled work in real-time is disclosed herein. Unique signatures of an unknown audio work are created by segmenting a file into segments having predetermined segment and hop sizes. The signature then may be compar... | 07/14/2009 |
| 7529659 | Method and apparatus for identifying an unknown work A system for determining an identity of a received work. The system receives audio data for an unknown work. The audio data is divided into segments. The system generates a signature of the unknown work from each of the segments. Reduced dimension signatures are the... | 05/05/2009 |
| 7529658 | Method for specifying equivalence of language grammars and automatically translating sentences in one language to sentences in another language in a computer environment A method for specifying equivalence of language grammars and automatically translating sentences in one language to sentences in another language in a computer environment. The method uses a unified grammar specification of grammars of different languages in a singl... | 05/05/2009 |
| 7496502 | Information providing system and method therefor Upon attempting to display information consisting of large amounts of data on a display portion of a portable terminal, there existed a problem that long durations of time were required for completion of the display, and display capacities were insufficient. A searc... | 02/24/2009 |
| 7457741 | Device for transmitting speech information A device (1) for transmitting speech information to the human body, comprising: a microphone (2) for inputting speech from an external source; a speech signal processor (20) that produces a con... | 11/25/2008 |
| 7451078 | Methods and apparatus for identifying media objects A method, apparatus and computer memory are provided for generating an audio fingerprint of an audio recording. A memory stores stable frequency family data corresponding to a plurality of stable frequency families. A processor curve fits audio recording data to at ... | 11/11/2008 |
| 7451077 | Acoustic presentation system and method Complex acoustic information, such as music, is presented as visual information or as movement of an object in a manner simulating the reception of the complex acoustic information by the human auditory system including a complexity of tempo, rhythms, intensity vari... | 11/11/2008 |
| 7424422 | Voice channel bussing in sound processors The invention is a method and system for applying more effects to voices in an input sound than is capable of being supported by a sound processor. Aspects of the invention include identifying at least one of the voices of the input sound as a voice bus channel; and... | 09/09/2008 |
| 7421387 | Dynamic N-best algorithm to reduce recognition errors A method for reducing recognition errors. The method includes receiving an N-best list associated with an input of a computer based recognition system. The N-best list includes one or more hypotheses and associated confidence values. The input is classified in respo... | 09/02/2008 |
| 7418379 | Circuit for improving the intelligibility of audio signals containing speech The speech intelligibility of an audio signal of unchanged volume is improved by raising the total audio signal by a constant factor and lowering the amplitude of this raised signal by a high-pass filter. The corner frequency fc of the high-pass filter is... | 08/26/2008 |
| 7415328 | Hybrid model based fault detection and isolation system Method for detecting faults in a device comprising the steps of receiving a plurality of performance parameters, applying the plurality of performance parameters to a first model to produce a plurality of estimated performance parameters, applying the plurality of p... | 08/19/2008 |
| 7409338 | Softbit speech decoder and related method for performing speech loss concealment A softbit speech decoder includes a speech loss concealment circuit receiving bit information, bit error probability data, and a speech information flag from an equivalent channel based on a received signal provided to the equivalent channel. The speech loss conceal... | 08/05/2008 |
| 7401022 | Processing a speech frame in a radio system The invention relates to method of processing a speech frame in radio system, a radio system, a mobile station in radio system, and a network of radio system. In the method a speech frame having propagated over a radio path is channel-decoded. If on the basis of the... | 07/15/2008 |
| 7395249 | Speech interface for an automated endoscope system A robotic system which controls the movement of a surgical instrument in response to voice commands from the user. The robotic system has a computer controlled arm that holds the surgical instrument. The user provides voice commands to the computer through a microph... | 07/01/2008 |
| 7376568 | Voice signal processor A voice processor performing logarithm compression and decompression enabling various signal processing functions to be efficiently added. When there is a μ Law compression input, an approximate logarithm conversion process is performed. The processor performs bit ... | 05/20/2008 |
| 7376632 | Model and method for using an interactive rational agent, multiagent server and system implementing same A model and implementation process of a conversational rational agent as a kernel of a dialogue system and/or as an element (agent) of a multiagent system including definition of a conceptual architecture of a conversational rational agent; formal specification of t... | 05/20/2008 |
| 7372998 | System and method for efficient non-overlapping partitioning of rectangular regions of interest in multi-channel detection A system and method in a multi-channel detection system for multi-rate filter bank applications for converting overlapping rectangular two-dimensional (2D) regions into a new set of non-overlapping rectangular regions for the efficient reconstruction of a signal whe... | 05/13/2008 |
| 7369990 | Reducing acoustic noise in wireless and landline based telephony Acoustic noise for wireless or landline telephony is reduced through optimal filtering in which each frequency band of every time frame is filtered as a function of the estimated signal-to-noise ratio and the estimated total noise energy for the frame. Non-speech ba... | 05/06/2008 |
