JPWO2011048741A1 - マルチバンドコンプレッサ - Google Patents
マルチバンドコンプレッサ Download PDFInfo
- Publication number
- JPWO2011048741A1 JPWO2011048741A1 JP2011537106A JP2011537106A JPWO2011048741A1 JP WO2011048741 A1 JPWO2011048741 A1 JP WO2011048741A1 JP 2011537106 A JP2011537106 A JP 2011537106A JP 2011537106 A JP2011537106 A JP 2011537106A JP WO2011048741 A1 JPWO2011048741 A1 JP WO2011048741A1
- Authority
- JP
- Japan
- Prior art keywords
- band
- gain
- compressor
- gain value
- multiband compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000005236 sound signal Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/03—Synergistic effects of band splitting and sub-band processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/356—Amplitude, e.g. amplitude shift or compression
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
Description
(2)近傍バンドのゲイン値と自バンドのゲイン値の差に重み係数を掛けて合計し、自バンドのゲイン値に加算して補正する
(3)高域側のゲイン値が低域側のゲイン値を超えないように制限する。
Claims (4)
- 音声信号を周波数帯域で分割した複数のバンドごとにダイナミクス圧縮処理してから加算合成して出力するマルチバンドコンプレッサであって、
複数の前記バンドごとに入力される信号レベルを算出するレベル算出手段と、
算出された前記信号レベルからゲイン値を計算するゲイン計算手段と、
複数の前記バンドごとのコンプレッサにて他バンドの前記ゲイン値との比較によりゲイン値を制限するゲイン制限手段と、
を有するマルチバンドコンプレッサ。 - 前記ゲイン制限手段は、処理対象の前記バンドと隣接する前記バンドとの前記ゲイン値から最小のものを選択する請求項1に記載のマルチバンドコンプレッサ。
- 前記ゲイン制限手段は、処理対象の前記バンドと近傍の前記バンドとの前記ゲイン値の差分に重み係数を乗算してから合計し、処理対象の前記バンドの前記ゲイン値に加算することを特徴とする請求項1または2に記載のマルチバンドコンプレッサ。
- 前記ゲイン制限手段は、低域側の前記ゲイン値を超過しないように高域側の前記ゲイン値を制限する請求項1ないし3の何れか一項に記載のマルチバンドコンプレッサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009241033 | 2009-10-20 | ||
JP2009241033 | 2009-10-20 | ||
PCT/JP2010/005483 WO2011048741A1 (ja) | 2009-10-20 | 2010-09-07 | マルチバンドコンプレッサ |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2011048741A1 true JPWO2011048741A1 (ja) | 2013-03-07 |
Family
ID=43899986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011537106A Pending JPWO2011048741A1 (ja) | 2009-10-20 | 2010-09-07 | マルチバンドコンプレッサ |
Country Status (5)
Country | Link |
---|---|
US (2) | US8924220B2 (ja) |
EP (1) | EP2493071A4 (ja) |
JP (1) | JPWO2011048741A1 (ja) |
CN (1) | CN102577114B (ja) |
WO (1) | WO2011048741A1 (ja) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9413321B2 (en) | 2004-08-10 | 2016-08-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US9281794B1 (en) | 2004-08-10 | 2016-03-08 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US9348904B2 (en) | 2006-02-07 | 2016-05-24 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
US9615189B2 (en) | 2014-08-08 | 2017-04-04 | Bongiovi Acoustics Llc | Artificial ear apparatus and associated methods for generating a head related audio transfer function |
US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US9195433B2 (en) | 2006-02-07 | 2015-11-24 | Bongiovi Acoustics Llc | In-line signal processor |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
ITTO20120530A1 (it) * | 2012-06-19 | 2013-12-20 | Inst Rundfunktechnik Gmbh | Dynamikkompressor |
WO2014025542A1 (en) * | 2012-08-06 | 2014-02-13 | Father Flanagan's Boys' Home Doing Business As Boys Town National Research Hospital | Multiband audio compression system and method |
US9344828B2 (en) | 2012-12-21 | 2016-05-17 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
US9398394B2 (en) | 2013-06-12 | 2016-07-19 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
US9264004B2 (en) | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
US9397629B2 (en) * | 2013-10-22 | 2016-07-19 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US9615813B2 (en) | 2014-04-16 | 2017-04-11 | Bongiovi Acoustics Llc. | Device for wide-band auscultation |
US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
US9564146B2 (en) | 2014-08-01 | 2017-02-07 | Bongiovi Acoustics Llc | System and method for digital signal processing in deep diving environment |
US9638672B2 (en) | 2015-03-06 | 2017-05-02 | Bongiovi Acoustics Llc | System and method for acquiring acoustic information from a resonating body |
JP6561772B2 (ja) * | 2015-10-27 | 2019-08-21 | ティアック株式会社 | マルチバンドリミッタ、録音装置及びプログラム |
JP6641882B2 (ja) | 2015-10-27 | 2020-02-05 | ティアック株式会社 | マルチバンドリミッタ、録音装置及びプログラム |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
JP2018537910A (ja) | 2015-11-16 | 2018-12-20 | ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー | 表面音響変換器 |
US10142731B2 (en) * | 2016-03-30 | 2018-11-27 | Dolby Laboratories Licensing Corporation | Dynamic suppression of non-linear distortion |
US10614790B2 (en) | 2017-03-30 | 2020-04-07 | Bose Corporation | Automatic gain control in an active noise reduction (ANR) signal flow path |
US10553195B2 (en) | 2017-03-30 | 2020-02-04 | Bose Corporation | Dynamic compensation in active noise reduction devices |
US10580398B2 (en) * | 2017-03-30 | 2020-03-03 | Bose Corporation | Parallel compensation in active noise reduction devices |
US11211043B2 (en) | 2018-04-11 | 2021-12-28 | Bongiovi Acoustics Llc | Audio enhanced hearing protection system |
US10959035B2 (en) | 2018-08-02 | 2021-03-23 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
CN110265042B (zh) * | 2019-05-31 | 2021-07-23 | 歌尔科技有限公司 | 声音信号处理方法、装置及设备 |
US11968504B1 (en) * | 2023-11-27 | 2024-04-23 | The Epstein Hear Us Now Foundation | Hearing-assist systems and methods for audio quality enhancements in performance venues |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0956000A (ja) * | 1995-08-11 | 1997-02-25 | Nippon Telegr & Teleph Corp <Ntt> | 補聴器 |
JPH10200996A (ja) * | 1997-01-09 | 1998-07-31 | Matsushita Electric Ind Co Ltd | 補聴器および補聴器調整方法 |
JP2000022743A (ja) * | 1998-06-30 | 2000-01-21 | Fuji Photo Film Co Ltd | 非同期データ通信方法 |
JP2000278786A (ja) * | 1999-03-23 | 2000-10-06 | Sony Corp | マイクロホン装置 |
JP2006203683A (ja) * | 2005-01-21 | 2006-08-03 | Univ Of Tokushima | 聴覚補助装置、音声信号処理方法、音声処理プログラム及びコンピュータで読み取り可能な記録媒体並びに記録した機器 |
JP2009507407A (ja) * | 2005-09-01 | 2009-02-19 | ヴェーデクス・アクティーセルスカプ | 補聴器の帯域分割コンプレッサを制御する方法および装置 |
JP2009077378A (ja) * | 2007-08-31 | 2009-04-09 | Victor Co Of Japan Ltd | 音声信号処理装置及び方法 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4641361A (en) * | 1985-04-10 | 1987-02-03 | Harris Corporation | Multi-band automatic gain control apparatus |
GB2192511B (en) * | 1986-07-11 | 1990-02-21 | Roger Frederick Laurence | Hearing aid |
US4882762A (en) * | 1988-02-23 | 1989-11-21 | Resound Corporation | Multi-band programmable compression system |
JPH0566795A (ja) * | 1991-09-06 | 1993-03-19 | Gijutsu Kenkyu Kumiai Iryo Fukushi Kiki Kenkyusho | 雑音抑圧装置とその調整装置 |
US5896449A (en) * | 1993-12-02 | 1999-04-20 | Alcatel Usa Sourcing L.P. | Voice enhancement system and method |
DE69616139T2 (de) * | 1995-04-25 | 2002-03-14 | Matsushita Electric Ind Co Ltd | System zum Einstellen der Tonqualität |
US5960390A (en) * | 1995-10-05 | 1999-09-28 | Sony Corporation | Coding method for using multi channel audio signals |
US5838598A (en) * | 1995-12-12 | 1998-11-17 | Analog Devices, Inc. | Method and apparatus for gain correction of a sigma-delta converter |
US6345246B1 (en) * | 1997-02-05 | 2002-02-05 | Nippon Telegraph And Telephone Corporation | Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates |
US6236731B1 (en) * | 1997-04-16 | 2001-05-22 | Dspfactory Ltd. | Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids |
US6144937A (en) * | 1997-07-23 | 2000-11-07 | Texas Instruments Incorporated | Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information |
JP2000022473A (ja) | 1998-07-07 | 2000-01-21 | Sony Corp | 音声処理装置 |
US6801895B1 (en) * | 1998-12-07 | 2004-10-05 | At&T Corp. | Method and apparatus for segmenting a multi-media program based upon audio events |
US6732073B1 (en) * | 1999-09-10 | 2004-05-04 | Wisconsin Alumni Research Foundation | Spectral enhancement of acoustic signals to provide improved recognition of speech |
JP3731179B2 (ja) * | 1999-11-26 | 2006-01-05 | 昭栄株式会社 | 補聴器 |
US6377916B1 (en) * | 1999-11-29 | 2002-04-23 | Digital Voice Systems, Inc. | Multiband harmonic transform coder |
JP3519338B2 (ja) * | 2000-03-24 | 2004-04-12 | 松下電器産業株式会社 | 受信装置及び利得制御方法 |
CN1470147A (zh) * | 2000-08-07 | 2004-01-21 | �µ��ǿƼ��ɷ���������˾ | 声音信号过滤和压缩的方法与装置 |
EP1312162B1 (en) * | 2000-08-14 | 2005-01-12 | Clear Audio Ltd. | Voice enhancement system |
EP1423847B1 (en) * | 2001-11-29 | 2005-02-02 | Coding Technologies AB | Reconstruction of high frequency components |
JP4195267B2 (ja) * | 2002-03-14 | 2008-12-10 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 音声認識装置、その音声認識方法及びプログラム |
GB2388502A (en) * | 2002-05-10 | 2003-11-12 | Chris Dunn | Compression of frequency domain audio signals |
DK1522206T3 (da) * | 2002-07-12 | 2007-11-05 | Widex As | Höreapparat og en fremgangmsåde til at forbedre taleforståelighed |
JP3646939B1 (ja) * | 2002-09-19 | 2005-05-11 | 松下電器産業株式会社 | オーディオ復号装置およびオーディオ復号方法 |
JP2004147082A (ja) | 2002-10-24 | 2004-05-20 | Matsushita Electric Ind Co Ltd | 通信装置 |
US6990194B2 (en) * | 2003-05-19 | 2006-01-24 | Acoustic Technology, Inc. | Dynamic balance control for telephone |
JP5013863B2 (ja) * | 2004-05-19 | 2012-08-29 | パナソニック株式会社 | 符号化装置、復号化装置、通信端末装置、基地局装置、符号化方法及び復号化方法 |
CN101258773A (zh) | 2005-09-01 | 2008-09-03 | 唯听助听器公司 | 控制助听器中带分离压缩器的方法和设备 |
KR20080049085A (ko) * | 2005-09-30 | 2008-06-03 | 마츠시타 덴끼 산교 가부시키가이샤 | 음성 부호화 장치 및 음성 부호화 방법 |
CA2639969C (en) * | 2006-03-03 | 2012-06-19 | Widex A/S | Hearing aid and method of utilizing gain limitation in a hearing aid |
US7711341B2 (en) * | 2006-05-31 | 2010-05-04 | Spreadtrum Communications Inc. | Multimode receiver control method and apparatus |
US8155304B2 (en) * | 2007-04-10 | 2012-04-10 | Microsoft Corporation | Filter bank optimization for acoustic echo cancellation |
WO2008000843A2 (en) * | 2007-09-20 | 2008-01-03 | Phonak Ag | Method for determining of feedback threshold in a hearing device |
US20100250260A1 (en) * | 2007-11-06 | 2010-09-30 | Lasse Laaksonen | Encoder |
US8355511B2 (en) * | 2008-03-18 | 2013-01-15 | Audience, Inc. | System and method for envelope-based acoustic echo cancellation |
-
2010
- 2010-09-07 CN CN201080047675.1A patent/CN102577114B/zh not_active Expired - Fee Related
- 2010-09-07 WO PCT/JP2010/005483 patent/WO2011048741A1/ja active Application Filing
- 2010-09-07 EP EP10824596.0A patent/EP2493071A4/en not_active Withdrawn
- 2010-09-07 JP JP2011537106A patent/JPWO2011048741A1/ja active Pending
- 2010-09-07 US US13/502,280 patent/US8924220B2/en not_active Expired - Fee Related
-
2014
- 2014-09-09 US US14/480,989 patent/US20140379355A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0956000A (ja) * | 1995-08-11 | 1997-02-25 | Nippon Telegr & Teleph Corp <Ntt> | 補聴器 |
JPH10200996A (ja) * | 1997-01-09 | 1998-07-31 | Matsushita Electric Ind Co Ltd | 補聴器および補聴器調整方法 |
JP2000022743A (ja) * | 1998-06-30 | 2000-01-21 | Fuji Photo Film Co Ltd | 非同期データ通信方法 |
JP2000278786A (ja) * | 1999-03-23 | 2000-10-06 | Sony Corp | マイクロホン装置 |
JP2006203683A (ja) * | 2005-01-21 | 2006-08-03 | Univ Of Tokushima | 聴覚補助装置、音声信号処理方法、音声処理プログラム及びコンピュータで読み取り可能な記録媒体並びに記録した機器 |
JP2009507407A (ja) * | 2005-09-01 | 2009-02-19 | ヴェーデクス・アクティーセルスカプ | 補聴器の帯域分割コンプレッサを制御する方法および装置 |
JP2009077378A (ja) * | 2007-08-31 | 2009-04-09 | Victor Co Of Japan Ltd | 音声信号処理装置及び方法 |
Also Published As
Publication number | Publication date |
---|---|
US8924220B2 (en) | 2014-12-30 |
US20120209616A1 (en) | 2012-08-16 |
CN102577114B (zh) | 2014-12-10 |
US20140379355A1 (en) | 2014-12-25 |
WO2011048741A1 (ja) | 2011-04-28 |
EP2493071A4 (en) | 2015-03-04 |
EP2493071A1 (en) | 2012-08-29 |
CN102577114A (zh) | 2012-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011048741A1 (ja) | マルチバンドコンプレッサ | |
EP3329592B1 (en) | Encoded audio metadata-based loudness equalization and dynamic equalization during drc | |
US9729969B2 (en) | System and method for bass enhancement | |
US10750278B2 (en) | Adaptive bass processing system | |
CN114550687A (zh) | 失真感测、防失真、以及失真察觉低音增强 | |
WO2011043020A1 (ja) | マルチバンドコンプレッサ、その調整方法 | |
JP2015050685A (ja) | オーディオ信号処理装置および方法、並びにプログラム | |
JP2006222867A (ja) | 音響信号処理装置およびその方法 | |
CN107071634B (zh) | 信号处理装置、方法和扬声器 | |
WO2013183185A1 (ja) | 周波数特性変形装置 | |
US7953229B2 (en) | Sound processor, sound reproducer, and sound processing method | |
ES2969736T3 (es) | Dispositivo de decodificación y método de decodificación | |
US10147434B2 (en) | Signal processing device and signal processing method | |
JP6669176B2 (ja) | 信号処理装置および信号処理方法 | |
JP2013125187A (ja) | 復号装置、符号化装置、符号化復号システム、復号方法、符号化方法、復号プログラム、及び符号化プログラム | |
JP2006324786A (ja) | 音響信号処理装置およびその方法 | |
US8917887B2 (en) | Signal processor and signal processing method | |
US11622193B2 (en) | Limiter system and method for avoiding clipping distortion or increasing maximum sound level of active speaker | |
US20230217166A1 (en) | Bass enhancement for loudspeakers | |
JP6155132B2 (ja) | 低域補完装置および低域補完方法 | |
JP5375861B2 (ja) | オーディオ再生の効果付加方法およびその装置 | |
KR101106464B1 (ko) | 멀티밴드 drc 시스템 및 멀티밴드 drc 시스템의 스레시홀드 결정 방법 | |
JP2008167152A (ja) | 増幅装置、増幅方法及び増幅プログラム | |
US8948417B2 (en) | Characteristic correcting device and characteristic correcting method | |
JP2015041803A (ja) | 音声再生装置および音声再生方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130809 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140603 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140701 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20140918 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150203 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20150630 |