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| Application No. | Application Title | Issue Date |
| 20120082319 | SPATIAL AUDIO ENCODING AND REPRODUCTION OF DIFFUSE SOUND A method and apparatus processes multi-channel audio by encoding, transmitting or recording “dry” audio tracks or “stems” in synchronous relationship with time-variable metadata controlled by a content producer and representing a desired degree and quality of di... | 04/05/2012 |
| 20120070011 | CONVERTER AND METHOD FOR CONVERTING AN AUDIO SIGNAL A converter and conversion method are disclosed for converting N channel audio input channels into M channel audio output channels, wherein a processor is used for applying a transfer function to a signal received on an input channel to obtain reverberation components o... | 03/22/2012 |
| 20110261966 | Method and Apparatus for Applying Reverb to a Multi-Channel Audio Signal Using Spatial Cue Parameters A method and system for applying reverb to an M-channel down-mixed audio input signal indicative of X individual audio channels, where X is greater than M. Typically, the method includes steps of: in response to spatial cue parameters indicative of spatial image of the ... | 10/27/2011 |
| 20110129095 | Audio Zoom An audio equivalent of a video zoom feature for video recording and communication applications, as well as video post production processes. The audio zoom may operate in conjunction with a video zoom feature or independently. The audio zoom may be achieved by controllin... | 06/02/2011 |
| 20110125508 | DATA EMBEDDING SYSTEM A data hiding system is described for hiding data within an audio signal. The system can be used for watermarking, data communications, audience surveying etc. The system hides data in an audio signal by adding artificial echoes whose polarity varies with the data to be... | 05/26/2011 |
| 20110093104 | ARTIFICIAL AMBIANCE PROCESSING SYSTEM An apparatus and method simulates more accurately the natural statistics of a physical reverberation process. A new filter design is provided having a comb shaped group delay. Gain minimums at a plurality of frequencies are combined with a delay line to create a constan... | 04/21/2011 |
| 20110081025 | EFFICIENT FILTER FOR ARTIFICIAL AMBIENCE A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces artificial reverberation, or synthesizes extra audio channels, such as surround c... | 04/07/2011 |
| 20110064235 | MICROPHONE AND AUDIO SIGNAL PROCESSING METHOD A microphone includes a housing with a user interface configured to allow selection of a voice modification. The voice modification includes at least one of distortion, delay, reverb, auto tune, pitch, and phase. An audio to electric signal converter is at least partial... | 03/17/2011 |
| 20100322431 | METHOD FOR REPRODUCING NATURAL OR MODIFIED SPATIAL IMPRESSION IN MULTICHANNEL LISTENING The invention concerns a method for reproducing spatial impression of existing spaces in multichannel or binaural listening. It consists of following steps/phases: a) Recording of sound or impulse response of a room using multiple microphones, b) Time- and frequency-dep... | 12/23/2010 |
| 20100296662 | SOUND SIGNAL PROCESSING DEVICE AND METHOD In reverberant environments, reflected waves including an echoic sound and a muffled sound affect and disable recognition of sound arrival directions. As a result, the subjective clearness of the sounds deteriorates. In order to enhance the clearness of a reproduced sou... | 11/25/2010 |
| 20100183162 | ECHO MODULATION METHODS AND SYSTEMS Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be obtained. The windows may be subject to a periodic boundary condition. A plurality of echo values may be calculat... | 07/22/2010 |
| 20100172508 | Method and apparatus of generating sound field effect in frequency domain A method and apparatus of generating a sound field effect is provided. The sound field effect generating apparatus may generate a frequency coefficient that is frequency-transformed from a direct signal, may generate a reflection signal from the frequency coefficient, m... | 07/08/2010 |
| 20100119075 | SPATIALLY ENVELOPING REVERBERATION IN SOUND FIXING, PROCESSING, AND ROOM-ACOUSTIC SIMULATIONS USING CODED SEQUENCES Methods and systems for simulating at least one room impulse response between two or more sound sources and two or more receivers positioned in an enclosure are provided. At least one early impulse response is generated that includes early reflections from the two or mo... | 05/13/2010 |
| 20100119072 | Apparatus and method for generating a multichannel signal An apparatus comprises a processor configured to receive a first audio signal and first location data, the first location data relating to a location of a source of the first audio signal; receive a second audio signal and second location data, the second location data ... | 05/13/2010 |
| 20100092002 | SOUND FIELD REPRODUCING DEVICE AND SOUND FIELD REPRODUCING METHOD The sound field reproducing apparatus includes: a signal obtaining unit which obtains input audio signals of plural channels; an effect adding unit which gives an effect on an output to a sound field; and an effect amount control unit which controls an amount of the eff... | 04/15/2010 |
| 20100062754 | Cue-aware privacy filter for participants in persistent communications A cue, for example a facial expression or hand gesture, is identified, and a device communication is filtered according to the cue.... | 03/11/2010 |
| 20100027801 | Impulse Response Processing Device, Reverberation Applying Device and Program In an impulse response processing device, a waveform dividing part divides a waveform of an original impulse response into a plurality of blocks on a time axis. A time adjusting part performs a time adjustment to reduce a time difference between successive ones of the b... | 02/04/2010 |
| 20100008513 | METHOD AND SYSTEM FOR AUTOMATICALLY GENERATING WORLD ENVIRONMENT REVERBERATION FROM A GAME GEOMETRY Reverberation parameters for one or more positions of interest are derived from graphics data used for displaying a computer-generated environment. For each position of interest for which reverberation parameters are desired, environmental parameters including distances... | 01/14/2010 |
| 20090304196 | Wireless vocal microphone with built-in auto-chromatic pitch correction A series of signal processing features incorporated into its design that is both functional and decorative, to enhance convenience and performance among vocalists. A hollow, cylinder shaped body is oriented lie a conventional microphone, featuring a cardioid pickup patt... | 12/10/2009 |
| 20090262949 | MULTI-CHANNEL ACOUSTIC SIGNAL PROCESSING DEVICE Provided is a multi-channel acoustic signal processing device by which loads of arithmetic operations are reduced. The multi-channel acoustic signal processing device (100) includes: a decorrelated signal generation unit (181), and a matrix operation unit ... | 10/22/2009 |
| 20090245526 | DEVICE FOR AND METHOD OF ADDING REVERBERATION TO AN INPUT SIGNAL A device (1) for adding reverberation to an input signal (s(n)) uses a corresponding transformed input signal (S(n)), for example the Fourier transform of the signal, to generate reverberation. The device comprises circuits (3, 5, 6) for combining the tran... | 10/01/2009 |
| 20090220100 | Reverberation adjusting apparatus, reverberation adjusting method, reverberation adjusting program, recording medium on which the reverberation adjusting program is recorded, and sound field correcting system The present invention provides a sound field correcting system and a reverberation adjusting apparatus capable of correcting a reverberation time characteristic by an easy operation without setting a complicated parameter. A surround system 100 has a sound reprod... | 09/03/2009 |
| 20090154716 | SYSTEM AND METHOD FOR SOUND SYSTEM SIMULATION A sound system design/simulation system provides a more realistic simulation of an existing venue by matching a measured reverberation characteristic of the existing venue and adjusting one or more acoustic parameters characterizing the model such that a predicted rever... | 06/18/2009 |
| 20090132242 | PORTABLE AUDIO RECORDING AND PLAYBACK SYSTEM A portable audio recording and playback system is provided. The portable audio recording and playback system can synchronously display the corresponding lyrics or character contents, and it also can selectively record user's voice or the mixed signal of the user's voice... | 05/21/2009 |
| 20090052682 | Engine sound processing apparatus An engine sound processing apparatus includes an engine sound signal generating section that generates an engine sound signal indicating an engine sound generated in an engine room of a vehicle, a signal processing section that includes a reverberation effect applying p... | 02/26/2009 |
| 20090052681 | SYSTEM AND A METHOD OF PROCESSING AUDIO DATA, A PROGRAM ELEMENT, AND A COMPUTER-READABLE MEDIUM A system (100) for processing audio data comprises an extracting unit (101) adapted to extract a transient audio data part (103) from input audio data (102) and a reverberator unit (105) which is coupled to the extracting unit (101<... | 02/26/2009 |
| 20090003614 | Apparatus and method for artificial reverberation An apparatus and method for artificial reverberation having one or more input summing nodes receiving an input signal and which each feed a first series of delay elements and the output of which is thereafter summed, weighted, and fed back to the input summing nodes. Al... | 01/01/2009 |
| 20080317253 | Audio processing systems An audio processing system comprising processing devices and a processing module. The processing devices generate output signals, and the processing module calculates the output signals from the processing devices and generates an output result signal. Each processing d... | 12/25/2008 |
| 20080292108 | DEREVERBERATION SYSTEM FOR USE IN A SIGNAL PROCESSING APPARATUS A system used in a loudspeaker-room-microphone environment includes a microphone signal partitioner that divides a signal from a microphone into one or more divided portions. A reverberation energy estimator estimates reverberation energy in some of the divided portions... | 11/27/2008 |
| 20080273708 | Early Reflection Method for Enhanced Externalization Scenes having at least one simulated sound source and simulated sound-reflecting objects are simulated by processing a direct-sound signal with at least one head-related transfer-function, thereby generating a simulated direct-sound signal, and generating simulated earl... | 11/06/2008 |
| 20080232603 | SYSTEM FOR MODIFYING AN ACOUSTIC SPACE WITH AUDIO SOURCE CONTENT An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry signal component and the reverberant signal components can be separately modified and then recombined to form a... | 09/25/2008 |
| 20080189107 | Estimating own-voice activity in a hearing-instrument system from direct-to-reverberant ratio A method of identifying the user's own voice in a hearing instrument system and a hearing instrument system for performing such method is provided wherein a direct-to-reverberant ratio (DtoR) between the signal energy of a direct sound part (1a; 1 08/07/2008 | |
| 20080137875 | Environmental effects generator for digital audio signals An device and method of generating environmental reverberation effects for digital audio signals is presented. The device includes a reverberation controller. The reverberation controller pre-processes one or more predetermined characteristics of a first audio signal to... | 06/12/2008 |
| 20080085008 | Frequency Domain Reverberation Method and Device A method and device for creating late reverberation in the frequency domain using spectral magnitude decay. The method applies a frequency domain representation of an input signal to a frequency domain accumulator having a delay, an adder and a frequency-dependent magni... | 04/10/2008 |
| 20080069366 | METHOD AND APPARATUS FOR EXTRACTING AND CHANGING THE REVEBERANT CONTENT OF AN INPUT SIGNAL A method and apparatus for extracting and changing the reverberant content of an input signal is provided. The method of estimating an impulse response for a reverberant system includes sampling a signal from a reverberant system, having an impulse response, into a sequ... | 03/20/2008 |
| 20080037799 | APPARATUS AND METHOD OF EQUALIZING A ROOM PARAMETER IN AN AUDIO SYSTEM USING AN ACOUSTIC TRANSDUCER ARRAY An apparatus and method of enabling equalization of a room parameter with a simple structure and low cost in an audio system using an acoustic transducer array. The apparatus to equalize a room parameter includes an audio signal generation unit to generate two identical... | 02/14/2008 |
| 20080013746 | APPARATUS AND METHOD FOR SIMULATING A WAVE FIELD SYNTHESIS SYSTEM For simulating a wave field synthesis system, an audio scene description defining a temporal sequence of audio objects is provided, an audio object having an audio file for a virtual source or a reference to the audio file and information on a source position of the vir... | 01/17/2008 |
| 20080002833 | Volume estimation by diffuse field acoustic modeling A method and apparatus for estimating volume of an enclosed space (“room”) based on measured acoustic parameters. The method includes the steps of: measuring an acoustic impulse response of the enclosed space. From the acoustic impulse response, the method calculate... | 01/03/2008 |
| 20070294061 | ACOUSTIC MODELING APPARATUS AND METHOD USING ACCELERATED BEAM TRACING TECHNIQUES An acoustic modeling system and an acoustic modeling method use beam tracing techniques that accelerate computation of significant acoustic reverberation paths in a distributed virtual environment. The acoustic modeling system and method perform a priority-driven beam t... | 12/20/2007 |
| 20070253564 | Sound field controlling device A sound field controlling device for supplying audio signals to a plurality of speakers provided in a space to form a sound field in the space, includes a measuring unit which measures levels of indirect sounds, which are outputted from the speakers, reflected from a wa... | 11/01/2007 |
