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| Application No. | Application Title | Issue Date |
| 20120109645 | DSP-BASED DEVICE FOR AUDITORY SEGREGATION OF MULTIPLE SOUND INPUTS There is provided a unique signal processing technique for localizing and characterizing each of a number of differently located acoustic sources. Specifically there is provided a method for auditory segregation of multiple voice inputs comprising the steps of: receivin... | 05/03/2012 |
| 20120072209 | ESTIMATING A PITCH LAG An electronic device for estimating a pitch lag is described. The electronic device includes a processor and executable instructions stored in memory that is in electronic communication with the processor. The electronic device obtains a current frame. The electronic de... | 03/22/2012 |
| 20120072208 | DETERMINING PITCH CYCLE ENERGY AND SCALING AN EXCITATION SIGNAL An electronic device for determining a set of pitch cycle energy parameters is described. The electronic device includes a processor and executable instructions stored in memory. The electronic device obtains a frame, a set of filter coefficients and a residual signal b... | 03/22/2012 |
| 20120053933 | SPEECH SYNTHESIZER, SPEECH SYNTHESIS METHOD AND COMPUTER PROGRAM PRODUCT According to one embodiment, a first storage unit stores n band noise signals obtained by applying n band-pass filters to a noise signal. A second storage unit stores n band pulse signals. A parameter input unit inputs a fundamental frequency, n band noise intensities, ... | 03/01/2012 |
| 20120004908 | VOICE RECOGNITION TERMINAL A voice recognition terminal executes a local voice recognition process and utilizes an external center voice recognition process. The terminal includes: a voice message synthesizing element for synthesizing at least one of a voice message to be output from a speaker ac... | 01/05/2012 |
| 20120004907 | SYSTEM AND METHOD FOR BIOMETRIC ACOUSTIC NOISE REDUCTION Embodiments of the invention provide a communication device and methods for generating enhanced audio signals. An audio signal comprising a speech signal and a noise signals is acquired at the communication device. A noise processor of the communication device detects a... | 01/05/2012 |
| 20110313759 | Method for changing the caller voice during conversation in voice communication device The invention relates to a cellular phone terminal system and in particular to a method for changing caller's voice of speech signal during conversation. The cellular phone terminal system has a filter for filtering signal. The method comprises the steps of: waiting for... | 12/22/2011 |
| 20110282658 | Method and Apparatus for Audio Source Separation The present invention relates to co-channel audio source separation. In one embodiment a first frequency-related representation of plural regions of the acoustic signal is prepared over time, and a two-dimensional transform of plural two-dimensional localized regions of... | 11/17/2011 |
| 20110276324 | Adaptive Filter Pitch Extraction An enhancement system extracts pitch from a processed speech signal. The system estimates the pitch of voiced speech by deriving filter coefficients of an adaptive filter and using the obtained filter coefficients to derive pitch. The pitch estimation may be enhanced by... | 11/10/2011 |
| 20110276323 | SPEECH-BASED SPEAKER RECOGNITION SYSTEMS AND METHODS The illustrative embodiments described herein provide systems and methods for authenticating a speaker. In one embodiment, a method includes receiving reference speech input including a reference passphrase to form a reference recording, and receiving test speech input ... | 11/10/2011 |
| 20110251840 | PITCH-CORRECTION OF VOCAL PERFORMANCE IN ACCORD WITH SCORE-CODED HARMONIES Despite many practical limitations imposed by mobile device platforms and application execution environments, vocal musical performances may be captured and continuously pitch-corrected for mixing and rendering with backing tracks in ways that create compelling user exp... | 10/13/2011 |
| 20110251841 | COORDINATING AND MIXING VOCALS CAPTURED FROM GEOGRAPHICALLY DISTRIBUTED PERFORMERS Despite many practical limitations imposed by mobile device platforms and application execution environments, vocal musical performances may be captured and continuously pitch-corrected for mixing and rendering with backing tracks in ways that create compelling user exp... | 10/13/2011 |
| 20110251842 | COMPUTATIONAL TECHNIQUES FOR CONTINUOUS PITCH CORRECTION AND HARMONY GENERATION Using signal processing techniques described herein, pitch detection and correction of a user's vocal performance can be performed continuously and in real-time with respect to the audible rendering of the backing track at the handheld or portable computing device. In s... | 10/13/2011 |
| 20110246188 | NONVOLATILE STORAGE SYSTEM AND MUSIC SOUND GENERATION SYSTEM A music sound generation system is formed with a high sound quality and with a small size using a large-capacity NAND flash memory for storing music sound data. Music sound data is divided into N pitch groups and stored into N different storage modules as being divided ... | 10/06/2011 |
| 20110224977 | ROBOT, METHOD AND PROGRAM OF CONTROLLING ROBOT A robot may include a driving control unit configured to control a driving of a movable unit that is connected movably to a body unit, a voice generating unit configured to generate a voice, and a voice output unit configured to output the voice, which has been generate... | 09/15/2011 |
| 20110218800 | METHOD AND APPARATUS FOR OBTAINING PITCH GAIN, AND CODER AND DECODER The present invention relates to a method and apparatus for obtaining a pitch gain, and a coder and a decoder. The method includes: obtaining information about an input signal; and obtaining a pitch gain corresponding to the information about the input signal according ... | 09/08/2011 |
| 20110206131 | Entropy Encoding An encoder stage, and corresponding encoded bitstream and decoder. The encoder stage comprises: a variable length encoder for encoding an input signal; and a counter configured to dynamically detect an observed frequency at which different symbols are found to occur wit... | 08/25/2011 |
| 20110196674 | SPECTRUM CODING APPARATUS, SPECTRUM DECODING APPARATUS, ACOUSTIC SIGNAL TRANSMISSION APPARATUS, ACOUSTIC SIGNAL RECEPTION APPARATUS AND METHODS THEREOF A spectrum coding apparatus capable of performing coding at a low bit rate and with high quality is disclosed. This apparatus is provided with a section that performs the frequency transformation of a first signal and calculates a first spectrum, a section that converts... | 08/11/2011 |
| 20110196673 | CONCEALING LOST PACKETS IN A SUB-BAND CODING DECODER An electronic device for reconstructing a lost packet in a Sub-Band Coding (SBC) decoder is described. The electronic device includes a processor and instructions stored in memory. The electronic device detects a lost packet, obtains a zero-input response of a synthesis... | 08/11/2011 |
| 20110191102 | SYSTEMS AND METHODS FOR SPEECH EXTRACTION In some embodiments, a processor-readable medium stores code representing instructions to cause a processor to receive an input signal having a first component and a second component. An estimate of the first component of the input signal is calculated based on an estim... | 08/04/2011 |
| 20110184732 | SIGNAL PRESENCE DETECTION USING BI-DIRECTIONAL COMMUNICATION DATA A system and method for using bi-directional conversation data to improve signal presence detection are disclosed. The detector module is adapted to communicate with a signal enhancement module. The detector module collects data from a transmit direction of the connecti... | 07/28/2011 |
| 20110153317 | GENDER DETECTION IN MOBILE PHONES An apparatus for wireless communications includes a processing system. The processing system is configured to receive an input sound stream of a user, split the input sound stream into a plurality of frames, classify each of the frames as one selected from the group con... | 06/23/2011 |
| 20110144981 | CONTINUOUS PITCH-CORRECTED VOCAL CAPTURE DEVICE COOPERATIVE WITH CONTENT SERVER FOR BACKING TRACK MIX Techniques have been developed to facilitate (1) the capture and pitch correction of vocal performances on handheld or other portable computing devices and (2) the mixing of such pitch-corrected vocal performances with backing tracks for audible rendering on targets tha... | 06/16/2011 |
| 20110144983 | WORLD STAGE FOR PITCH-CORRECTED VOCAL PERFORMANCES Techniques have been developed to facilitate the capture performances on handheld or other portable computing devices and, in some cases, the pitch-correction and mixing of such vocal performances with backing tracks for audible rendering on such devices. Captivating vi... | 06/16/2011 |
| 20110144982 | CONTINUOUS SCORE-CODED PITCH CORRECTION Vocal musical performances may be captured and continuously pitch-corrected at a mobile device for mixing and rendering with backing tracks in ways that create compelling user experiences. In some cases, the vocal performances of individual users are captured in the con... | 06/16/2011 |
| 20110125491 | Speech Intelligibility The perceived quality of a speech signal is improved by estimating the average power of first and second signal components and applying a first gain factor to the second signal components to generate adjusted second signal components. The first gain factor is selected s... | 05/26/2011 |
| 20110123965 | Speech Processing and Learning This invention relates to the field of tonal language speech signal processing. We describe a computer system for characterizing samples of a tonal language. These are analyzed to identify one or more vocal tract characterizing parameters of the user and synthesized spe... | 05/26/2011 |
| 20110125493 | VOICE QUALITY CONVERSION APPARATUS, PITCH CONVERSION APPARATUS, AND VOICE QUALITY CONVERSION METHOD The voice quality conversion apparatus includes: low-frequency harmonic level calculating units and a harmonic level mixing unit for calculating a low-frequency sound source spectrum by mixing a level of a harmonic of an input sound source waveform and a level of a harm... | 05/26/2011 |
| 20110125492 | Speech Intelligibility The perceived quality of a narrowband speech signal truncated from a wideband speech signal is improved by generating in a third frequency band third speech components matching first speech components in a first frequency band of the narrowband signal, and generating in... | 05/26/2011 |
| 20110099005 | FRAMING METHOD AND APPARATUS A framing method and apparatus are disclosed to overcome inconsistency of gains between sub-frames caused by simple average framing in the prior art. The method includes: obtaining the Linear Prediction Coding (LPC) order and the pitch of the signal; removing the sample... | 04/28/2011 |
| 20110087488 | SPEECH SYNTHESIS APPARATUS AND METHOD According to an embodiment, a speech synthesis apparatus includes a selecting unit configured to select speaker's parameters one by one for respective speakers and obtain a plurality of speakers' parameters, the speaker's parameters being prepared for respective pitch w... | 04/14/2011 |
| 20110087489 | Method and Apparatus for Performing Packet Loss or Frame Erasure Concealment The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or standard FEC process. A receiver with a decoder receives encoded frames of compressed speech information trans... | 04/14/2011 |
| 20110066426 | REAL-TIME SPEAKER-ADAPTIVE SPEECH RECOGNITION APPARATUS AND METHOD A speech recognition apparatus and method for real-time speaker adaptation are provided. The speech recognition apparatus may estimate a pitch of a speech section from an inputted speech signal, extract a speech feature for speech recognition based on the estimated pitc... | 03/17/2011 |
| 20110054886 | EFFECT DEVICE An effect device may be configured such that when an input audio signal switches from a consonant to a vowel and an input level of the switched vowel is greater than a threshold value Lc (and a variable t is greater than time Ts), an audio effect signal A may be generat... | 03/03/2011 |
| 20110004467 | VOCAL AND INSTRUMENTAL AUDIO EFFECTS Systems, methods, and computer program products are provided for producing audio and/or visual effects according to a correlation between reference data and estimated note data derived from an input acoustic audio waveform. Some embodiments calculate a pitch score as a ... | 01/06/2011 |
| 20100332221 | ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF It is possible to improve quality of a decoding signal in a band spread for estimating a high band from a low band of a decoding signal. A first layer encoding unit (202) encodes a lower band portion below a predetermined frequency of an input signal so as to gen... | 12/30/2010 |
| 20100318349 | SYNTHESIS OF LOST BLOCKS OF A DIGITAL AUDIO SIGNAL, WITH PITCH PERIOD CORRECTION The present invention relates to signal modification before pitch period repetition for the synthesis of blocks lost on decoding digital audio signals. The effects of repetition of transitories, such as the plosives of a speech signal, are avoided by comparing the sampl... | 12/16/2010 |
| 20100305944 | Pitch Or Periodicity Estimation A method of estimating a pitch period of a first portion of a signal wherein the first portion overlaps a previous portion. The method comprises computing a first autocorrelation value for part of the first portion not overlapping the previous portion. The method furthe... | 12/02/2010 |
| 20100268530 | Signal Pitch Period Estimation A method and apparatus for estimating the pitch period of a signal. The method includes identifying a first candidate pitch period by performing a search only over a first range of potential pitch periods. The method further includes determining a second candidate pitch... | 10/21/2010 |
| 20100260354 | NOISE REDUCING APPARATUS AND NOISE REDUCING METHOD A noise reducing apparatus includes: a voice signal inputting unit inputting an input voice signal; a noise occurrence period detecting unit detecting a noise occurrence period; a noise removing unit removing a noise for the noise occurrence period; a generation source ... | 10/14/2010 |
