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9047859 Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion  
An apparatus for encoding an audio signal having a stream of audio samples has: a windower for applying a prediction coding analysis window to the stream of audio samples to obtain windowed data...
9031840 Identifying media content  
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving (i) audio data that encodes a spoken natural language query, and (ii) environmental...
9026434 Frame erasure concealment for a multi rate speech and audio codec  
An audio coding terminal and method is provided. The terminal includes a coding mode setting unit to set an operation mode, from plural operation modes, for input audio coding by a codec...
9015041 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs  
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage or a quantizer encoder, the window...
9015040 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
 
An apparatus for encoding an audio signal having a stream of audio samples has: a windower for applying a prediction coding analysis window to the stream of audio samples to obtain windowed data...
9009037 Encoding device, decoding device, and methods therefor  
Disclosed is an encoding device that improves the quality of a decoded signal in a hierarchical coding (scalable coding) method, wherein a band to be quantized is selected for every level (layer)....
8990076 Front-end difference coding for distributed speech recognition  
In automated speech recognition (ASR), multiple devices may be employed to perform the ASR in a distributed environment. To reduce bandwidth use in transmitting between devices ASR information is...
8977544 Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium and electronic device therefor  
A quantizing method is provided that includes quantizing an input signal by selecting one of a first quantization scheme not using an inter-frame prediction and a second quantization scheme using...
8977543 Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefore  
A quantizing apparatus is provided that includes a quantization path determiner that determines a path from a first path not using inter-frame prediction and a second path using the inter-frame...
8971802 Near field communication apparatus  
A system for use in a near field communications (NFC) reader, for detecting the presence of an NFC tag, is disclosed. The NFC reader has an antenna tuned to a resonant frequency. The system...
8965773 Coding with noise shaping in a hierarchical coder  
A method is provided for hierarchical coding of a digital audio signal comprising, for a current frame of the input signal: a core coding, delivering a scalar quantization index for each sample of...
8924202 Audio signal coding system and method using speech signal rotation prior to lattice vector quantization  
An apparatus configured to model an encoded signal to estimate at least one distribution of the signal, rotate the signal with respect to a lattice, for lattice quantization of the signal,...
8918315 Encoding apparatus, decoding apparatus, encoding method and decoding method  
An encoding apparatus includes a first layer encoder that encodes a signal, a first layer decoder that decodes first layer encoded data, a first layer error transform coefficient calculator that...
8918314 Encoding apparatus, decoding apparatus, encoding method and decoding method  
An encoding apparatus includes a first layer encoder that encodes an input signal, a first layer decoder that decodes the first layer encoded data, a weighting filter that filters a first layer...
8903527 Apparatus and method for reproducing multi-sound channel contents using DLNA in mobile terminal  
An acoustic apparatus and a method thereof in a mobile terminal are provided. More particularly, an apparatus and a method for establishing a multi-sound system that provides sounds of sense of...
8892436 Front-end processor for speech recognition, and speech recognizing apparatus and method using the same  
A method of recognizing speech is provided. The method includes the operations of (a) dividing first speech that is input to a speech recognizing apparatus into frames; (b) converting the frames...
8886612 Method, apparatus and computer program product for providing improved data compression  
An apparatus for providing improved data compression may include an encoder comprising a quantizer for encoding input data and a side model. The quantizer may be trained with respect to high...
8862465 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...
8849655 Encoder, decoder and methods thereof  
An encoder whereby the bit efficiency of encoding can be improved, thereby improving the qualities of signals as decoded. In the encoder: a time-frequency converting unit (101) converts signals,...
8838443 Encoder apparatus, decoder apparatus and methods of these  
There is disclosed an encoder apparatus whereby, when a band expanding technique for encoding, based on the spectral data of a lower frequency portion, the spectral data of a higher frequency...
8838445 Method of removing contamination in acoustic noise measurements  
A method for the automatic removal of speech contamination from an acoustic noise signal. The method includes the steps of: (a) receiving an input acoustic noise signal; (b) automatically...
8831959 Transform audio codec and methods for encoding and decoding a time segment of an audio signal  
Methods and devices for efficient encoding/decoding of a time segment of an audio signal. Methods comprise deriving an indicator, z, of the position in a frequency scale of a residual vector...
8831933 Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization  
A multistage shape vector quantizer architecture uses information from a selected first-stage codebook vector to generate a rotation matrix. The rotation matrix is used to rotate the direction of...
8825476 Method and apparatus for encoding and decoding high frequency signal  
Provided are a method and apparatus for encoding and decoding a high frequency signal by using a low frequency signal. The high frequency signal can be encoded by extracting a coefficient by...
8825475 Transform-domain codebook in a CELP coder and decoder  
Codebook Arrangement for use in coding an input sound signal includes First and Second Codebook Stages. First Codebook Stage includes one of a time-domain CELP codebook and a transform-domain...
8812327 Coding/decoding of digital audio signals  
A method of hierarchical coding of a digital audio frequency input signal into several frequency sub-bands, including a core coding of the input signal according to a first throughput and at least...
8804970 Low bitrate audio encoding/decoding scheme with common preprocessing  
An audio encoder has a common preprocessing stage, an information sink based encoding branch such as spectral domain encoding branch, a information source based encoding branch such as an...
8805680 Method and apparatus for encoding and decoding audio signal using layered sinusoidal pulse coding  
Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio signal, dividing the transformed...
RE45042 Encoding device and decoding device  
An encoding device (200) includes an MDCT unit (202) that transforms an input signal in a time domain into a frequency spectrum including a lower frequency spectrum, a BWE encoding unit (204) that...
8781822 Audio and speech processing with optimal bit-allocation for constant bit rate applications  
Methods and apparatus for audio and speech processing including generating a plurality of frames, each of the frames comprising a plurality of transform coefficients, and allocating bits to the...
8768691 Sound encoding device and sound encoding method  
A sound encoder for efficiently encoding stereophonic sound. A prediction parameter analyzer determines a delay difference D and an amplitude ratio g of a first-channel sound signal with respect...
8762158 Decoding method and decoding apparatus therefor  
A method and apparatus for generating synthesis audio signals are provided. The method includes decoding a bitstream; splitting the decoded bitstream into n sub-band signals; generating n...
8762141 Reduced-complexity vector indexing and de-indexing  
This invention relates to indexing an input vector contained in a set of vectors of a plurality of sets of vectors. The indexing comprises performing, in case that the input vector is contained in...
8756061 Speech syllable/vowel/phone boundary detection using auditory attention cues  
In syllable or vowel or phone boundary detection during speech, an auditory spectrum may be determined for an input window of sound and one or more multi-scale features may be extracted from the...
8756067 Computationally efficient audio coder  
The present invention provides a computationally efficient technique for compression encoding of an audio signal, and further provides a technique to enhance the sound quality of the encoded audio...
8737753 Image restoration by vector quantization utilizing visual patterns  
The restoration of images by vector quantization utilizing visual patterns is disclosed. One disclosed embodiment comprises restoring detail in a transition region of an unrestored image, by first...
8731947 Coding method, decoding method, codec method, codec system and relevant apparatuses  
A coding method, a decoding method, a coding-decoding (codec) method, a codec system and relevant apparatuses are disclosed. The coding method includes: obtaining an amplitude vector and a length...
8731081 Apparatus and method for combinatorial coding of signals  
A method and apparatus are for performing one of encoding and decoding a code word that is used to communicate a portion of a signal. For encoding, at least a portion of a code word is encoded...
8725500 Apparatus and method for encoding at least one parameter associated with a signal source  
Apparatus (119) for encoding at least one parameter associated with a signal source for transmission over k frames to a decoder comprises a processor (119) which is configured in operation to...
8711012 Encoding method, decoding method, encoding device, decoding device, program, and recording medium  
A plurality of samples are vector-quantized to obtain a vector quantization index and quantized values; bits are assigned in a predetermined order of priority based on auditory perceptual...
8712767 Scalable encoding apparatus, scalable decoding apparatus, scalable encoding method, scalable decoding method, communication terminal apparatus, and base station apparatus  
A scalable encoding apparatus, a scalable decoding apparatus and the like are disclosed which can achieve a band scalable LSP encoding that exhibits both a high quantization efficiency and a high...
8706488 Methods and apparatus for formant-based voice synthesis  
In one aspect, a method of processing a voice signal to extract information to facilitate training a speech synthesis model is provided. The method comprises acts of detecting a plurality of...
8706509 Method and a decoder for attenuation of signal regions reconstructed with low accuracy  
The embodiments of the present invention improves conventional attenuation schemes by replacing constant attenuation with an adaptive attenuation scheme that allows more aggressive attenuation,...
8706481 Multi-path trellis coded quantization method and multi-path coded quantizer using the same  
A method of multi-path trellis coded quantization (TCQ) usable in a speech coding system, and a quantizer using the method. Specifically the method includes calculating accumulated distortions...
8665945 Encoding method, decoding method, encoding device, decoding device, program, and recording medium  
To improve the encoding compressibility of prediction residuals. An encoder performs prediction analysis of input time-series signals to generate prediction residuals expressed by integers, and...
8655651 Method, computer, computer program and computer program product for speech quality estimation  
The invention relates to a method, computer, computer program and computer program product for speech quality estimation. The method comprises the steps of: determining a coding distortion...
8655657 Identifying media content  
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving (i) audio data that encodes a spoken natural language query, and (ii) environmental...
8650031 Accuracy improvement of spoken queries transcription using co-occurrence information  
Techniques disclosed herein include systems and methods for voice-enabled searching. Techniques include a co-occurrence based approach to improve accuracy of the 1-best hypothesis for non-phrase...
8645142 System and method for method for improving speech intelligibility of voice calls using common speech codecs  
System and method to improve intelligibility of coded speech, the method including: receiving an encoded speech signal from a network; extracting an encoded media data stream and one or more...
8630849 Coefficient splitting structure for vector quantization bit allocation and dequantization  
A method and apparatus to convert a linear predictive coding (LPC) coefficient into a coefficient having order characteristics, such as a line spectrum frequency (LSF), and to vector quantize the...