公开(公告)号：KR20200139149A

公开(公告)日：2020-12-11

申请号：KR20207027753

申请日：2019-03-26

Applicant: SONY CORP

Inventor： HONMA HIROYUKI ,  CHINEN TORU ,  OIKAWA YOSHIAKI

IPC: H04S7/00 ,  G10L19/008

Abstract: 본기술은적은연산량으로높은임장감을얻을수 있도록하는정보처리장치및 방법, 그리고프로그램에관한것이다. 정보처리장치는, 소정의오브젝트와다른오브젝트의위치관계에기초하여감쇠량을결정하고, 그감쇠량에기초하여소정의오브젝트의신호의게인을결정하는게인결정부를구비한다. 본기술은신호처리장치에적용할수 있다.

公开(公告)号：EP0706183A3

公开(公告)日：1998-11-18

申请号：EP95402207

申请日：1995-10-03

Applicant: SONY CORP

Inventor： OIKAWA YOSHIAKI

IPC: G11B20/10 ,  G11B20/00

CPC classification number: G11B20/10527

Abstract: An information encoding and decoding apparatus and an information encoding and decoding method for effectively diminishing the mixing noise by pre-mixing and dematrixing. When encoding multi-channel audio or speech signals inclusive of signals of the mixed channels, whereby the audio or speech signals become reproducible even with a simplified decoder, the noise generated on dematrixing the signals of the mixed channels is included in the codestring signals as difference signals (Le, Re) between the pre-mixing signals (L, R,) of the non-independent channels and the signals of the non-independent channels (L', R') as found by dematrixing signals of mixed channels (Lm, Rm). Thus the number of bits may be prevented from being increased despite increase in the number of channels.

公开(公告)号：EP0714173A4

公开(公告)日：2002-05-02

申请号：EP95921157

申请日：1995-06-12

Applicant: SONY CORP

Inventor： OIKAWA YOSHIAKI ,  TSUTSUI KYOYA ,  MIYAMORI SHINJI ,  UENO MASATOSHI

IPC: G10L19/00 ,  G10L19/02 ,  G10L19/032 ,  G10L19/14 ,  G10L25/00 ,  G11B20/10 ,  G11B20/24 ,  H04B1/66 ,  H04H5/00

CPC classification number: H04H20/88 ,  G10L19/012 ,  G10L19/18 ,  G11B20/10 ,  G11B20/24 ,  G11B2020/10592 ,  H04B1/665 ,  H04B1/667

Abstract: In a method and device for signal encoding according to this invention, a first encoder (124) separately encodes noise components of a plurality of channels and a second encoder (125) commonly encodes noise components of a plurality of channels. Then a discriminating means (123) detects the characteristics of the noise components and selects the output from either of the encoders (124 and 125) based on the discriminated results. When the noise components are commonly encoded, therefore, the compression ratio of the noise components of a plurality of channels can be increased. When the components are not commonly encoded, on the other hand, undesired effects of common encoding can be prevented.

公开(公告)号：DE69533577T2

公开(公告)日：2005-10-06

申请号：DE69533577

申请日：1995-12-19

Applicant: SONY CORP

Inventor： TSUTSUI KYOYA ,  OIKAWA YOSHIAKI ,  SHIMOYOSHI OSAMU

IPC: G11B20/00 ,  H03M7/30 ,  H04B1/66 ,  G11B20/10

Abstract: A method and apparatus for high efficiency encoding audio signals. The high-efficiency encoding apparatus includes a transform circuit (11; 61) for transforming an input signal into frequency components and a signal component separating circuit (62) for separating the frequency components into tonal components and noisy components. The high-efficiency encoding apparatus also includes a tonal component encoding circuit (63) for encoding tonal components and a noisy component encoding circuit (64) for encoding noisy components. The tonal components are made up only of signal components of a specified band and encoded along with the information specifying the band. The noisy components are normalized (31) and quantized (33) every pre-set encoding unit and encoded along with the quantization precision information. The information on the numbers of quantization steps of the noisy components is encoded with a smaller number of bits for the high- range side than for the low-range side. With the high-efficiency encoding method and apparatus, not only the main information but also the subsidiary information may be improved in encoding efficiency, while the degree of freedom may be assured in the method of representing the subsidiary information and satisfactory encoding may be achieved.

公开(公告)号：BR9506263A

公开(公告)日：1997-08-12

申请号：BR9506263

申请日：1995-06-12

Applicant: SONY CORP

Inventor： OIKAWA YOSHIAKI ,  TSUTSUI KYOYA ,  MIYAMORI SHINJI ,  UENO MASATOSHI

IPC: G10L19/00 ,  G10L19/02 ,  G10L19/032 ,  G10L19/14 ,  G10L25/00 ,  G11B20/10 ,  G11B20/24 ,  H04B1/66 ,  H04H5/00 ,  H03M7/30 ,  G10L7/04 ,  G10L9/18 ,  H04B14/04

Abstract: In a method and device for signal encoding according to this invention, a first encoder (124) separately encodes noise components of a plurality of channels and a second encoder (125) commonly encodes noise components of a plurality of channels. Then a discriminating means (123) detects the characteristics of the noise components and selects the output from either of the encoders (124 and 125) based on the discriminated results. When the noise components the compression ratio of the noise components of a plurality of channels can be increased. When the components are not commonly encoded, on the other hand, undesired effects of common encoding can be prevented.

公开(公告)号：PL312947A1

公开(公告)日：1996-05-27

申请号：PL31294795

申请日：1995-06-12

Applicant: SONY CORP

Inventor： OIKAWA YOSHIAKI ,  TSUTSUI KYOYA ,  MIYAMORI SHINJI ,  UENO MASATOSHI

IPC: G10L19/00 ,  G10L19/02 ,  G10L19/032 ,  G10L19/14 ,  G10L25/00 ,  G11B20/10 ,  G11B20/24 ,  H04B1/66 ,  H04H5/00 ,  H03M7/30 ,  G10L7/04 ,  G10L9/18 ,  H04B14/04

Abstract: In a method and device for signal encoding according to this invention, a first encoder (124) separately encodes noise components of a plurality of channels and a second encoder (125) commonly encodes noise components of a plurality of channels. Then a discriminating means (123) detects the characteristics of the noise components and selects the output from either of the encoders (124 and 125) based on the discriminated results. When the noise components the compression ratio of the noise components of a plurality of channels can be increased. When the components are not commonly encoded, on the other hand, undesired effects of common encoding can be prevented.

公开(公告)号：SG11202009081PA

公开(公告)日：2020-10-29

申请号：SG11202009081P

申请日：2019-03-26

Applicant: SONY CORP

Inventor： HONMA HIROYUKI ,  CHINEN TORU ,  OIKAWA YOSHIAKI

IPC: H04S7/00 ,  G10L19/008

Abstract: The present technology relates to an information processing apparatus, a method, and a program that can create a great sense of realism with a small number of computations.An information processing apparatus includes a gain determination section that determines an attenuation level on the basis of a positional relationship between a given object and another object and determines a gain of a signal of the given object on the basis of the attenuation level. The present technology is applicable to a signal processing apparatus.

公开(公告)号：DE69534140T2

公开(公告)日：2006-02-16

申请号：DE69534140

申请日：1995-06-12

Applicant: SONY CORP

Inventor： OIKAWA YOSHIAKI ,  TSUTSUI KYOYA ,  MIYAMORI SHINJI ,  UENO MASATOSHI

IPC: G10L19/00 ,  G10L19/02 ,  G10L19/032 ,  G10L19/14 ,  G10L25/00 ,  G11B20/10 ,  G11B20/24 ,  H04B1/66 ,  H04H5/00

Abstract: In a method and device for signal encoding according to this invention, a first encoder (124) separately encodes noise components of a plurality of channels and a second encoder (125) commonly encodes noise components of a plurality of channels. Then a discriminating means (123) detects the characteristics of the noise components and selects the output from either of the encoders (124 and 125) based on the discriminated results. When the noise components the compression ratio of the noise components of a plurality of channels can be increased. When the components are not commonly encoded, on the other hand, undesired effects of common encoding can be prevented.

公开(公告)号：DE69524526T2

公开(公告)日：2002-07-18

申请号：DE69524526

申请日：1995-10-03

Applicant: SONY CORP

Inventor： OIKAWA YOSHIAKI

IPC: G11B20/10

Abstract: An information encoding and decoding apparatus and an information encoding and decoding method for effectively diminishing the mixing noise by pre-mixing and dematrixing. When encoding multi-channel audio or speech signals inclusive of signals of the mixed channels, whereby the audio or speech signals become reproducible even with a simplified decoder, the noise generated on dematrixing the signals of the mixed channels is included in the codestring signals as difference signals (Le, Re) between the pre-mixing signals (L, R,) of the non-independent channels and the signals of the non-independent channels (L', R') as found by dematrixing signals of mixed channels (Lm, Rm). Thus the number of bits may be prevented from being increased despite increase in the number of channels.

公开(公告)号：GB2257606B

公开(公告)日：1995-01-18

申请号：GB9213680

申请日：1992-06-26

Applicant: SONY CORP

Inventor： AKAGIRI KENZO ,  OIKAWA YOSHIAKI ,  TSUTSUI KYOYA

IPC: G11B20/00 ,  G11B20/10 ,  G11B27/031 ,  G11B27/30 ,  G11B27/34 ,  H03M7/40 ,  G11B5/86

Abstract: Apparatus for recording an information signal as bit-compressed digital data. The apparatus comprises a bit compressor and a recording system. The bit compressor receives the information signal as digital data. The digital data include bits, and the bits include redundant bits. The bit compressor compresses the digital data by removing only the redundant bits from the digital data to generate the bit-compressed digital data at a variable bit rate. The redundant bits are bits that result in a quantizing noise level lower than an allowed noise level at which the quantizing noise is imperceptible to a human auditory sense. The allowable noise level is determined by a masking threshold and a minimum audibility limit. The recording system receives the bit-compressed digital data from the bit compressor and records the bit-compressed data on a recording medium.