Patent application number | Description | Published |
20080275698 | EXCITATION VECTOR GENERATOR, SPEECH CODER AND SPEECH DECODER - A speech encoder includes an adaptive codebook that generates an adaptive codevector representing a pitch component, a random codebook that generates a random codevector representing a random component, and a synthesis filter that generates a synthetic speech signal by being excited by the adaptive codevector and the random codevector. The random codebook includes an input vector provider configured to provide an input vector, and an excitation vector generator configured to generate an excitation vector as the random codevector by dispersing the input vector by using a fixed pattern. A length of the fixed pattern is shorter than a length of a sub-frame. | 11-06-2008 |
20080297380 | SIGNAL DECODING APPARATUS AND SIGNAL DECODING METHOD - A signal decoding apparatus preventing substantial noise from being produced when transmission error occurs during decoding of scalable-coded information. In this signal decoding apparatus, a coded information operation section ( | 12-04-2008 |
20080298457 | Relay Device and Signal Decoding Device - There is provided a relay device capable of simultaneously transmitting various additional information such as audio information, character information, and image information while suppressing the communication cost and the line use ratio without increasing the calculation cost in the decoding process. The relay device includes an encoded information analysis unit ( | 12-04-2008 |
20090006086 | Signal Decoding Apparatus - A signal decoding apparatus that can suppress any large unusual sounds to provide decoded signals of improved audibility even when the number of hierarchical layers to be used in the decoding process varies due to a packet loss or the like in communication utilizing a scalable encoding/decoding technique. In the signal decoding apparatus, a gain adjusting part ( | 01-01-2009 |
20090012781 | SPEECH CODER AND SPEECH DECODER - A speech coder includes a seed storage that stores a plurality of seeds used as an initial state of oscillation. An oscillator generates different vector sequences in accordance with values of the seeds stored in the seed storage and outputs the vector sequences as excitation vectors. A linear predictive coding synthesis filter receives, as input, the excitation vectors synthesizes the excitation vectors, and outputs a synthesized speech. The seed storage stores the plurality of seeds prepared in advance as the initial state of oscillation such that the vector sequences generated in the oscillator serve as effective excitation vectors from which the synthesized speech can be generated when the vector sequences are input to the linear predictive coding synthesis filter the oscillator receives, the seeds from the seed storage, generates, using the input seeds, vector sequences that serve as the effective excitation vectors from which the synthesized speech can be generated in the linear predictive coding synthesis filter, and outputs the vector sequences. | 01-08-2009 |
20090016426 | ENCODER, DECODER, AND THEIR METHODS - An encoder generating a decoded signal with an improved quality by scalable encoding by canceling the characteristic inherent to the encoder and causing degradation of quality of the decoded signal. In the encoder, a first encoding section ( | 01-15-2009 |
20090094024 | CODING DEVICE AND CODING METHOD - A coding device is provided with features in which optimum coding in a higher layer is flexibly carried out based on a coding result of a lower layer and a quality audio signal in limited circumstances is served to users. In this coding device, a basic layer coding unit codes an input signal to generate a basic layer information source code and outputs a linear prediction coefficient (LPC) and a quantum LPC, which are parameters calculated at coding, to an expanded layer control unit. A basic layer decoding unit decodes the basic layer information source code. An adding unit reverses a polarity of a basic layer decoded signal, adds the same to the input signal, and calculates a difference signal. The expanded layer control unit generates expanded layer mode information indicative of a coding mode in an expanded layer based on the LPC and the quantum LPC. An expanded layer coding unit codes the difference signal obtained from the adding unit under control of the expanded layer control unit. | 04-09-2009 |
20090129576 | RELAY DEVICE, COMMUNICATION TERMINAL, SIGNAL DECODER, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM - It is an object of the present invention to provide a relay device, a communication terminal, a signal decoder, a method for processing a signal, and a program for processing a signal, which make it possible to achieve a multi-party communication system capable of preventing a significant deterioration of the quality of a sound obtained by decoding a speech/audio signal without increasing a cost for processing, as compared with the conventional communication terminals, the conventional communication techniques, and the like. The relay device comprises a receiver | 05-21-2009 |
20090164211 | SPEECH ENCODING APPARATUS AND SPEECH ENCODING METHOD - Provided is a voice encoding device for acquiring a satisfactory sound quality by making sufficient use of a tendency according to the noisiness or noiselessness of an input signal to be encoded. In this voice encoding device, a weight adding unit ( | 06-25-2009 |
20090171673 | ENCODING APPARATUS AND ENCODING METHOD - It is possible to provide an encoding device and an encoding method capable of realizing encoding with a very small information amount and a very small calculation amount when encoding higher-band spectrum data according to lower-band spectrum data in a wide-band signal. The device and the method can obtain a high-quality decoded signal even if a large quantization distortion is caused in the lower-band spectrum data. In this device, when encoding higher-band spectrum data in a signal to be encoded, according to lower-band spectrum data in the signal, only for apart (a head portion) of the higher-band spectrum data, the lower-band spectrum data after being quantized is subjected to approximate partial search and higher-band spectrum data is generated according to the search result. | 07-02-2009 |
20090198491 | LSP VECTOR QUANTIZATION APPARATUS, LSP VECTOR INVERSE-QUANTIZATION APPARATUS, AND THEIR METHODS - Disclosed is an LPC vector quantization device capable of quantizing an LSP vector by using correlation between divided vectors. The device includes: a vector dividing unit ( | 08-06-2009 |
20090240494 | VOICE ENCODING DEVICE AND VOICE ENCODING METHOD - Provided is a voice encoding device which performs voice encoding by a fixed code book effectively using a bit. In the voice encoding device, a position/polarity calculation unit ( | 09-24-2009 |
20090265167 | SPEECH ENCODING APPARATUS AND SPEECH ENCODING METHOD - Disclosed is an audio encoding device capable of adjusting a spectrum inclination of a quantized noise without changing the Formant weight. The device includes: an HPF ( | 10-22-2009 |
20090292537 | WIDE-BAND ENCODING DEVICE, WIDE-BAND LSP PREDICTION DEVICE, BAND SCALABLE ENCODING DEVICE, WIDE-BAND ENCODING METHOD - There is provided a wide-band LSP prediction device and others capable of predicting a wide-band LSP from a narrow-band LSP with a high quantization efficiency and a high accuracy while suppressing the size of a conversion table correlating the narrow-band LSP to the wide-band LSP. In this device, a non-linear prediction unit ( | 11-26-2009 |
20100010810 | POST FILTER AND FILTERING METHOD - When a decoding audio signal is to be acquired by pitch-filtering a combined signal of a sub-frame length, a decoding audio signal is continuously changed at the boundary between sub-frames. The post filter includes: a first filter coefficient calculation unit ( | 01-14-2010 |
20100017200 | ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF - Disclosed is an encoding device which can accurately specify a band having a large error among all the bands by using a small calculation amount. The device includes: a first position identification unit ( | 01-21-2010 |
20100017204 | ENCODING DEVICE AND ENCODING METHOD - Provided is a voice encoding device which can accurately encode a spectrum shape of a signal having a strong tonality such as a vowel. The device includes: a sub-band constituting unit ( | 01-21-2010 |
20100049508 | AUDIO ENCODING DEVICE AND AUDIO ENCODING METHOD - Provided is an audio encoding device which performs a closed loop search of a gain and a sound source vector without significantly increasing the calculation amount as compared to an open loop search. In the audio encoding device, firstly, a first parameter decision unit ( | 02-25-2010 |
20100057446 | ENCODING DEVICE AND ENCODING METHOD - Provided is an encoding device which can obtain a sound quality preferable for auditory sense even if the number of information bits is small. The encoding device includes a shape quantization unit ( | 03-04-2010 |
20100063804 | ADAPTIVE SOUND SOURCE VECTOR QUANTIZATION DEVICE AND ADAPTIVE SOUND SOURCE VECTOR QUANTIZATION METHOD - Provided is an adaptive sound source vector quantization device which can always perform a pitch cycle search with a resolution appropriate for any section of the pitch cycle search range of a second sub-frame when a pitch cycle search range of the second sub-frame changes in accordance with a pitch cycle of a first sub-frame. The device includes a first pitch cycle instruction unit ( | 03-11-2010 |
20100076755 | DECODING APPARATUS AND AUDIO DECODING METHOD - A decoding apparatus that uses a less number of hierarchical layers and a less amount of calculation to obtain a decoded signal having a high quality in terms of audibility. In the decoding apparatus, a first layer decoding part ( | 03-25-2010 |
20100082337 | ADAPTIVE SOUND SOURCE VECTOR QUANTIZATION DEVICE, ADAPTIVE SOUND SOURCE VECTOR INVERSE QUANTIZATION DEVICE, AND METHOD THEREOF - Disclosed is an adaptive sound source vector quantization device capable of improving quantization accuracy of adaptive sound source vector quantization while suppressing increase of the calculation amount in CELP sound encoding which performs encoding in sub-frame unit. In the device, a search adaptive sound source vector generation unit ( | 04-01-2010 |
20100094623 | ENCODING DEVICE AND ENCODING METHOD - Provided is an encoding device which performs a fixed sound source codebook search with a small calculation amount even in a low-bit rate sound encoding without lowering the encoding efficiency. In the encoding device, a threshold value calculation unit ( | 04-15-2010 |
20100106492 | ADAPTIVE SOUND SOURCE VECTOR QUANTIZATION UNIT AND ADAPTIVE SOUND SOURCE VECTOR QUANTIZATION METHOD - Disclosed is an adaptive sound source vector quantization device capable of reducing deviation of the quantization accuracy of the adaptive sound source vector quantization of each sub-frame when performing an adaptive sound source vector quantization in a sub-frame unit by using a greater information amount in a first sub-frame than in a second sub-frame. In this device: when the device performs the adaptive sound source vector quantization of the first sub-frame, an adaptive sound source vector generation unit ( | 04-29-2010 |
20100106496 | ENCODING DEVICE AND ENCODING METHOD - Provided is an encoding device which can reduce the encoding distortion as compared to the conventional technique and can obtain a preferable sound quality for auditory sense. In the encoding device, a shape quantization unit ( | 04-29-2010 |
20100118987 | Transmitter Apparatus, Receiver Apparatus, and Wireless Communication Method - When space-time block code signals are to be transmitted, the patterns thereof are changed in accordance with data to be transmitted. This advantageously allows a good-quality data transmission to be achieved by the space-time block code signals. In addition, since data can be transmitted by use of the patterns of the space-time block code signals, the data transmission efficiency can be improved. | 05-13-2010 |
20100179807 | AUDIO ENCODING DEVICE AND AUDIO ENCODING METHOD - Provided is an audio encoding device capable of improving performance of an adaptive codebook and improving quality of a decoded audio. In this audio encoding device, an adaptive codebook ( | 07-15-2010 |
20100185442 | ADAPTIVE SOUND SOURCE VECTOR QUANTIZING DEVICE AND ADAPTIVE SOUND SOURCE VECTOR QUANTIZING METHOD - It is an object to disclose an adaptive sound source vector quantizing device, etc. that can be configured to improve quantizing accuracy in adaptive sound source vector quantization to be carried out for every sub-frame. In this device, a pitch period designating unit ( | 07-22-2010 |
20100191526 | AUDIO ENCODING DEVICE AND AUDIO ENCODING METHOD - An audio encoding device which can improve encoding performance while performing division search on an algebraic codebook in an audio encoding. In a distortion minimizing unit ( | 07-29-2010 |
20100211398 | VECTOR QUANTIZER, VECTOR INVERSE QUANTIZER, AND THE METHODS - A vector quantizer which improves the accuracy of vector quantization in switching over a vector quantization codebook on a first stage depending on the type of feature having the correlation with a quantization target vector. In the vector quantizer, a classifier ( | 08-19-2010 |
20100228553 | COMMUNICATION TERMINAL DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - Provided is a communication terminal device which performs audio encoding by using downloaded audio codec while using an existing radio communication system infrastructure, a channel codec, and an error correction/detection function as they are. In the communication terminal device, if a judgment unit ( | 09-09-2010 |
20100274556 | VECTOR QUANTIZER, VECTOR INVERSE QUANTIZER, AND METHODS THEREFOR - Disclosed is a vector quantizer in which, in multistage vector quantization, the vector quantization of the following stage can be performed adaptively to the result of the vector quantization of the preceding stage to improve the accuracy of the quantization at less calculation amount and bit rate. The quantizer comprises a product set circle calculating section ( | 10-28-2010 |
20100290629 | STEREO SIGNAL CONVERTER, STEREO SIGNAL INVERTER, AND METHOD THEREFOR - A stereo signal converter capable of realizing encoding with less redundancy, low bit-rate, and high quality even if the positions of sound sources are different from one another. In this device, a sample difference analyzing section ( | 11-18-2010 |
20100324892 | EXCITATION VECTOR GENERATOR, SPEECH CODER AND SPEECH DECODER - A code excited linear prediction type speech coder, which includes a seed storage that stores seeds used as an initial state of oscillation, and an oscillator that generates different vector sequences in accordance with values of the seeds stored in the seed storage and outputs the vector sequences as excitation vectors. The speech coder also includes a linear predictive coding synthesis filter that receives, as input, the excitation vectors, which are the vector sequences generated in accordance with the values of the seeds, that synthesizes the excitation vectors, and that outputs a synthesized speech. | 12-23-2010 |
20100332223 | AUDIO DECODING DEVICE AND POWER ADJUSTING METHOD - Provided is an audio decoding device capable of obtaining a preferable synthesized sound with a stable sound volume. The audio decoding device includes: a post filter ( | 12-30-2010 |
20110004466 | STEREO SIGNAL ENCODING DEVICE, STEREO SIGNAL DECODING DEVICE AND METHODS FOR THEM - A technique of improving the degree of freedom of controlling the accuracy of encoding a stereo signal. In a stereo signal encoding device ( | 01-06-2011 |
20110004469 | VECTOR QUANTIZATION DEVICE, VECTOR INVERSE QUANTIZATION DEVICE, AND METHOD THEREOF - Disclosed are a vector quantization device and others capable of adaptively adjusting a vector space of a code vector for quantization of a second stage by using a quantization result of a first stage and improving the quantization accuracy. In the device, the first quantization unit ( | 01-06-2011 |
20110019829 | STEREO SIGNAL CONVERTER, STEREO SIGNAL REVERSE CONVERTER, AND METHODS FOR BOTH - Disclosed are a stereo signal converter whereby it is possible to obtain low-redundancy encoding signals (M, S) even when the sound source locations are different, and a stereo signal reverse converter whereby it is possible to obtain higher-quality stereo signals. In a stereo signal converter ( | 01-27-2011 |
20110035214 | ENCODING DEVICE AND ENCODING METHOD - Good sound quality as perceived by the ear is obtained even with few information bits. A shape quantizer ( | 02-10-2011 |
20110125495 | QUANTIZER, ENCODER, AND THE METHODS THEREOF - Disclosed are a quantizer, encoder, and the methods thereof, wherein the computational load is reduced when the values related to the transform coefficients of the principal component analysis transform are quantized when a principal component analysis transform is applied to code stereo. A quantizer ( | 05-26-2011 |
20110137643 | SPECTRAL SMOOTHING DEVICE, ENCODING DEVICE, DECODING DEVICE, COMMUNICATION TERMINAL DEVICE, BASE STATION DEVICE, AND SPECTRAL SMOOTHING METHOD - Disclosed is a spectral smoothing device with a structure whereby smoothing is performed after a nonlinear conversion has been performed for a spectrum calculated from an audio signal, and with which the amount of processing calculation is significantly reduced while maintaining excellent audio quality. With this spectral smoothing device, a sub band division unit ( | 06-09-2011 |
20110137661 | QUANTIZING DEVICE, ENCODING DEVICE, QUANTIZING METHOD, AND ENCODING METHOD - A quantizing device for more efficient quantization realized by lessening the computational complexity of quantization of a balance weighting factor. The device includes a power/correlation calculating unit ( | 06-09-2011 |
20110301946 | TONE DETERMINATION DEVICE AND TONE DETERMINATION METHOD - Disclosed is a tone determination device that determines the tonality of an input signal using correlations between the frequency components of a current frame with the frequency components of the preceding frame, such that the tone determination device is able to decrease the calculation complexity. In the device, a vector coupling unit ( | 12-08-2011 |
20110316732 | VECTOR QUANTIZATION DEVICE, VECTOR INVERSE-QUANTIZATION DEVICE, AND METHODS OF SAME - An LSP vector quantization device able to improve the precision of quantization in vector quantization where a codebook for first stage vector quantization is switched according to the type of a feature that has a correlation with the quantization target vector. In this device, a classifier ( | 12-29-2011 |
20110320193 | SPEECH ENCODING DEVICE, SPEECH DECODING DEVICE, SPEECH ENCODING METHOD, AND SPEECH DECODING METHOD - Provided is a speech encoding device that is capable of performing encoding in an extension encoder even when the core encoder and core decoder of each layer have been interchanged, and that is also capable of performing high precision encoding by using the appropriate codec for each situation. The speech encoding device ( | 12-29-2011 |
20120041761 | VOICE DECODING APPARATUS AND VOICE DECODING METHOD - Disclosed is a voice decoding apparatus wherein the processor may be continuously employed for other applications for a prescribed time but, in response to an urgent interrupt, the processor can generate synthesised sound even when being used for other applications, without interruption. In this apparatus, a packet receiving section ( | 02-16-2012 |
20120072207 | DOWN-MIXING DEVICE, ENCODER, AND METHOD THEREFOR - Provided are a down-mixing method and an encoder, wherein a high quantization performance can be realized when a balance adjustment operation due to a balance weight coefficient and a removal operation of a main component are combined. In the encoder ( | 03-22-2012 |
20120185242 | EXCITATION VECTOR GENERATOR, SPEECH CODER AND SPEECH DECODER - A noise estimating apparatus estimates two types of noise spectra for removing a noise component using the two types of noise spectra. The noise estimating apparatus includes an A/D converter that converts an input speech signal to a digital signal, and a Fourier transformer that performs a discrete Fourier transform on the digital signal having a predetermined time length to obtain an input spectrum and a complex spectrum. The noise estimating apparatus also includes a noise spectrum storage device that stores the two types of noise spectra, including a mean noise spectrum and a compensation noise spectrum, and a noise estimator that estimates a new compensation noise spectrum and a new mean noise spectrum as new two types of noise spectra. | 07-19-2012 |
20120203548 | VECTOR QUANTISATION DEVICE AND VECTOR QUANTISATION METHOD - Disclosed is a vector quantisation device which can reduce the computational complexity of an audio codec without reducing the audio quality. A vector quantisation device ( | 08-09-2012 |
20120215527 | 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 portion is applied to a lower layer in a hierarchical encoding/decoding system, an efficient encoding can be performed in an upper layer as well, thereby improving the decoded-signal quality. In an encoder apparatus ( | 08-23-2012 |
20120221344 | ENCODER APPARATUS, DECODER APPARATUS AND METHODS OF THESE - A coding apparatus is disclosed which can improve the quality of a decoded signal in a hierarchical coding (scalable coding) scheme in which a coding target band is selected in each hierarchy (layer). Coding apparatus ( | 08-30-2012 |
20120245931 | 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). The encoding device ( | 09-27-2012 |
20120278067 | VECTOR QUANTIZATION DEVICE, VOICE CODING DEVICE, VECTOR QUANTIZATION METHOD, AND VOICE CODING METHOD - Provided are a vector quantization device, a voice coding device, a vector quantization method, and a voice coding method which enable a reduction in the calculation amount of voice codec without deterioration of voice quality. In the vector quantization device, a first reference vector calculation unit ( | 11-01-2012 |
20120307913 | CONTENT COMMUNICATION DEVICE, CONTENT PROCESSING DEVICE AND CONTENT COMMUNICATION SYSTEM - Disclosed is a technique in which, upon relay broadcasting, a location side can check quickly on how the actions at the location (location side) are reflected as a broadcasting content. According to the technique, a content communication device at the location uses hierarchical coding to encode shot content data into coarse material content coded data of a core layer and broadcast-level material content content coded data of an enhancement layer. The coarse material content coded data is transmitted immediately to a content processing device at a coordination station. The content processing device performs, on the coarse material content, editing processing (or part thereof) to be performed for actual broadcasting, and sends back the content as a coordinating content. For example, the coordinating content has the same composition as an actually broadcast content (i.e., the position of synthesized information is the same, or the like), so that coordination based on the final broadcast content can be done at the location with reference to the coordinating content. | 12-06-2012 |
20130166306 | PULSE LOCATION SEARCH DEVICE, CODEBOOK SEARCH DEVICE, AND METHODS THEREFOR - A pulse location search device ( | 06-27-2013 |
20130173263 | QUANTIZATION DEVICE AND QUANTIZATION METHOD - Provided are a quantization device and quantization method which reduce coding distortion with a small degree of calculation, and achieve adequate coding performance thereby. A multistage vector quantization unit ( | 07-04-2013 |
20130325457 | 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 transforms a first layer error signal into a frequency domain and a second layer encoder that encodes the first layer error transform coefficient to acquire second layer encoded data. The second layer encoder includes a band determiner that determines a band to be encoded by the second layer encoder, and a first shape vector encoder that refers the first layer error transform coefficient included in the band to generate a first shape vector and first shape encoded information, a target gain calculator calculates target gain per subband, a gain vector generator generates a gain vector using a plurality of target gains, and a gain vector encoder encodes the gain vector to acquire gain encoded information. | 12-05-2013 |
20130332150 | ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF FOR SPECIFYING A BAND OF A GREAT ERROR - Disclosed is an encoding device which can accurately specify a band having a large error among all the bands by using a small calculation amount. A first position identifier uses a first layer error conversion coefficient indicating an error of a decoding signal for an input signal so as to search for a band having a large error in a relatively wide bandwidth in all the bands of the input signal and generates first position information indicating the identified band. A second position identifier searches for a target frequency band having a large error in a relatively narrow bandwidth in the band identified by the first position identifier and generates second position information indicating the identified target frequency band. An encoder encodes a first layer decoding error conversion coefficient contained in the target frequency band. | 12-12-2013 |
20130332154 | 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 error signal to acquire a weighted first layer error signal, a first layer error transform coefficient calculator that transforms the weighted first layer error signal into a frequency domain, and a second layer encoder that encodes the first layer error transform coefficient. The second layer encoder includes a first shape vector encoder that refers the first layer error transform coefficient to generate a first shape vector and first shape encoded information. A target gain calculator calculates a target gain using the first layer error transform coefficient and the first shape vector, a gain vector generator generates a gain vector, and a gain vector encoder encodes the gain vector to acquire gain encoded information. | 12-12-2013 |
20130339009 | CODING DEVICE, COMMUNICATION PROCESSING DEVICE, AND CODING METHOD - Provided are a coding device, a communication processing device, and a coding method, whereby processing operation load (computational load) is significantly reduced for a configuration which computes either frame energy or sub-frame energy of an input signal, using auto-correlation operations, without causing a decline in the precision of either the frame energy or the sub-frame energy. In a coding device ( | 12-19-2013 |
20140019144 | ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF FOR SECIFYING A BAND OF A GREAT ERROR - Disclosed is an encoding device which can accurately specify a band having a large error among all the bands by using a small calculation amount. A first position identifier uses a first layer error conversion coefficient indicating an error of a decoding signal for an input signal so as to search for a band having a large error in a relatively wide bandwidth in all the bands of the input signal and generates first position information indicating the identified band. A second position identifier searches for a target frequency band having a large error in a relatively narrow bandwidth in the band identified by the first position identifier and generates second position information indicating the identified target frequency band. An encoder encodes a first layer decoding error conversion coefficient contained in the target frequency band. | 01-16-2014 |
20140214411 | ENCODING DEVICE AND ENCODING METHOD - This encoding device ( | 07-31-2014 |