Patent application number | Description | Published |
20100106494 | Signal Processing Apparatus and Method, and Program - A coded code string from an input terminal | 04-29-2010 |
20100131281 | Signal Processing Method and Program - The present invention provides a signal processing apparatus, a signal processing method and a program for outputting a high-quality coded string. A signal processing apparatus according to an embodiment of the present invention includes a normalization coefficient information increasing/decreasing circuit | 05-27-2010 |
20110119066 | SIGNAL ENCODING DEVICE AND SIGNAL ENCODING METHOD, SIGNAL DECODING DEVICE AND SIGNAL DECODING METHOD, PROGRAM, AND RECORDING MEDIUM - A signal encoding device for encoding an input time-series signal includes: partitioning means; low-frequency encoding means; high-frequency gain information generating means; low-frequency reference value information generating means; high-frequency gain difference information generating means; high-frequency gain difference information encoding means; and multiplexing means. | 05-19-2011 |
20110137659 | Frequency Band Extension Apparatus and Method, Encoding Apparatus and Method, Decoding Apparatus and Method, and Program - The present invention relates to a frequency band extension apparatus and method, an encoding apparatus and method, a decoding apparatus and method, and a program, with which a music signal can be reproduced with higher sound quality by means of frequency band extension. | 06-09-2011 |
20120158411 | SIGNAL ENCODING APPARATUS AND METHOD, SIGNAL DECODING APPARATUS AND METHOD, PROGRAMS AND RECORDING MEDIUMS - An encoding apparatus that divides an input time series signal into a plurality of sub-bands and encodes a low frequency sub-band signal to generate encoded data of the low frequency sub-band signal. Concurrently, it compares the frequency amplitude peak of the new high frequency sub-band signal generated from the low frequency sub-band signal and the original high frequency sub-band signal and generates frequency amplitude peak information of the high frequency sub-band signal. It compares the gain of the new high frequency sub-band signal generated by using the low frequency sub-band signal and the original high frequency sub-band signal and generates gain information of the high frequency sub-band signal. Subsequently, the signal encoding apparatus multiplexes the encoded data of the low frequency sub-band signal, the frequency amplitude peak information of the high frequency sub-band signal and the gain information of the high frequency sub-band signal and outputs compressed data. | 06-21-2012 |
20120243526 | FREQUENCY BAND EXTENDING DEVICE AND METHOD, ENCODING DEVICE AND METHOD, DECODING DEVICE AND METHOD, AND PROGRAM - The present invention relates to a frequency band extending device and method, an encoding device and method, a decoding device and method, and a program, whereby music signals can be played with higher sound quality due to the extension of frequency bands. | 09-27-2012 |
20130028427 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD, ENCODER AND ENCODING METHOD, DECODER AND DECODING METHOD, AND PROGRAM - The present invention relates to a signal processing apparatus and a signal processing method, an encoder and an encoding method, a decoder and a decoding method, and a program capable of reproducing music signal having a better sound quality by expansion of frequency band. | 01-31-2013 |
20130030818 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD, ENCODER AND ENCODING METHOD, DECODER AND DECODING METHOD, AND PROGRAM - The present invention relates to a signal processing apparatus and a signal processing method, an encoder and an encoding method, a decoder and a decoding method, and a program capable of reproducing music signal having a better sound quality by expansion of frequency band. | 01-31-2013 |
20130058500 | FREQUENCY BAND EXTENDING APPARATUS, FREQUENCY BAND EXTENDING METHOD, PLAYER APPARATUS, PLAYING METHOD, PROGRAM AND RECORDING MEDIUM - A player apparatus for playing an input signal after band-extending the input signal includes: an extension controller to determine an extension start band for the input signal in accordance with information relating to the input signal; and a band divider to divide the input signal into a plurality of sub-band signals. The frequency band is extended on the basis of a plurality of the sub-band signals on a side lower than the extension start band, among the plurality of sub-band signals into which the input signal is band-divided by the band divider. | 03-07-2013 |
20130070873 | SIGNAL ENCODING APPARATUS AND METHOD, SIGNAL DECODING APPARATUS AND METHOD, PROGRAMS AND RECORDING MEDIUMS - A signal decoding method including the steps of: (a) de-multiplexing compressed data in an input signal and generating encoded data for at least one low frequency sub-band signal and information characterizing at least one high frequency sub-band signal; (b) decoding the encoded data and generating a low frequency sub-band signal; (c) generating at least one high frequency band signal using the low frequency sub-band signal and at least one item of the information characterizing the at least one high frequency sub-band signal; (d) adjusting a gain of the at least one high frequency band signal using the at least one item of information characterizing the at least one high frequency sub-band signal; and (e) generating a time series signal by combining the low frequency sub-band signal and the at least one high frequency sub-band signal | 03-21-2013 |
20130191124 | VOICE PROCESSING APPARATUS, METHOD AND PROGRAM - Provided is a voice processing apparatus including a feature quantity calculation section extracting a feature quantity from a target frame of an input voice signal, a sound pressure estimation candidate point updating section making each frame of the input voice signal a sound pressure estimation candidate point, retaining the feature quantity of each sound pressure estimation candidate point, and updating the sound pressure estimation candidate point based on the feature quantity of the sound pressure estimation candidate point and the feature quantity of the target frame, a sound pressure estimation section calculating an estimated sound pressure of the input voice signal, based on the feature quantity of the sound pressure estimation candidate point, a gain calculation section calculating a gain applied to the input voice signal based on the estimated sound pressure, and a gain application section performing a gain adjustment of the input voice signal based on the gain. | 07-25-2013 |
20130202118 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD, ENCODER AND ENCODING METHOD, DECODER AND DECODING METHOD, AND PROGRAM - The present invention relates to a signal processing apparatus and a signal processing method, an encoder and an encoding method, a decoder and a decoding method, and a program capable of reproducing music signal having a better sound quality by expansion of frequency band. | 08-08-2013 |
20140006037 | ENCODING DEVICE, ENCODING METHOD, AND PROGRAM | 01-02-2014 |
20140172433 | ENCODING DEVICE, ENCODING METHOD, AND PROGRAM - This technology relates to an encoding device, an encoding method, and a program capable of improving audio quality and more efficiently encoding audio. A first high-frequency encoding circuit encodes a high-frequency range based on a low-frequency subband signal and a high-frequency subband signal and obtains a high-frequency code amount. A low-frequency encoding circuit encodes a low-frequency signal with a code amount determined by the high-frequency code amount and a low-frequency decoding circuit decodes the encoded low-frequency signal. A subband dividing circuit divides a decoded low-frequency signal obtained by decoding into decoded low-frequency subband signals of a plurality of subbands and a second high-frequency encoding circuit generates a high-frequency code string such that a code amount of the high-frequency code string for obtaining a high-frequency component is not larger than the high-frequency code amount based on the decoded low-frequency subband signals and the high-frequency subband signals. The present invention is applicable to the encoding device. | 06-19-2014 |
20140180682 | NOISE DETECTION DEVICE, NOISE DETECTION METHOD, AND PROGRAM - There is provided a noise detection device including an amplitude feature quantity calculator, a frequency feature quantity calculator, a feature variation calculator, an interval specification unit, a feature quantity set generation unit, and a noise determination unit. | 06-26-2014 |
Patent application number | Description | Published |
20090248797 | Server apparatus, network system, data transfer method, and program - Disclosed is a server apparatus including a registration means for associating a first apparatus with a plurality of second apparatuses as the control targets thereof, and registering the first apparatus and the plurality of second apparatuses associated, a constant connection session establishment means for establishing a constant connection session with each of the plurality of second apparatuses, a request reception means for receiving from the first apparatus a first request to transfer data between the plurality of second apparatuses, and a request transmission means for transmitting a second request to directly transfer data between the plurality of second apparatuses to one of the plurality of second apparatuses through the constant connection session in response to the received first request. | 10-01-2009 |
20090265741 | INFORMATION PROCESSING APPARATUS AND METHOD, AND RECORDING MEDIA - An information processing apparatus includes: a program distribution schedule information receiver configured to receive program distribution schedule information; a program-associated information acquirer configured to acquire, for each program listed in the program distribution schedule information, information for identifying content associated with the program and program-associated information including information for identifying a recording media to which the content is recorded; and a display controller configured to control displaying of a program guide by allocating a GUI (Graphical User Interface) for controlling a command for reproducing the content corresponding to the program into each display box of the program on the basis of the received program distribution schedule information and the acquired program-associated information. | 10-22-2009 |
20090274448 | Recording apparatus, recording status detection method, program delivery and recording system, and program - A recording apparatus includes: a guide information obtaining section to obtain guide information of a program scheduled to be delivered; a series information obtaining section to obtain series information for specifying a plurality of programs belonging to a series; a program data obtaining section to obtain data of the programs; a program data storage section capable of storing the data of the programs; a program data recording section to store the data of the programs obtained by the program data obtaining section in the program data storage section; a recording history storage section to store information about the programs whose data is stored in the program data storage section, as recording history information; and a detection section to detect a recording status of at least one program belonging to the series intended to be recorded based on the guide information, the series information, and the recording history information. | 11-05-2009 |
20090279847 | Program accumulation apparatus, program accumulation reservation method, and program - A program accumulation apparatus includes: a broadcast program acquisition section to acquire data of a broadcast program based on a preset recording reservation; a delivery program acquisition section to acquire data of a delivery program delivered by a downloading method via a network based on a preset download reservation; a storage section to accumulate the data of the broadcast program or the data of the delivery program; a designation section to accept a designation of the broadcast program for the recording reservation; a judgment section to judge whether the recording reservation of the designated broadcast program is possible; and a setting section to judge, when the recording reservation of the designated broadcast program is judged as being impossible, whether the download reservation of the delivery program of the same source as the broadcast program is possible, and set the download reservation of the delivery program when judged possible. | 11-12-2009 |
20100011348 | RECORDING APPARATUS, SOFTWARE UPDATE DATA ACQUISITION METHOD, PROGRAM, AND DATA DELIVERY SYSTEM - A recording apparatus includes a delivery schedule information acquisition section, an update reservation section, and an update data acquisition section. The delivery schedule information acquisition section acquires information on a delivery schedule of update data for updating control software, the update data being delivered from an update delivery server by an IP multicast system. The update reservation section generates, based on the information on the delivery schedule acquired by the delivery schedule information acquisition section, acquisition reservation information of the update data. The update data acquisition section acquires the update data based on the acquisition reservation information generated by the update reservation section. | 01-14-2010 |