KR920022668A - 디지탈신호처리장치 - Google Patents
디지탈신호처리장치 Download PDFInfo
- Publication number
- KR920022668A KR920022668A KR1019920007426A KR920007426A KR920022668A KR 920022668 A KR920022668 A KR 920022668A KR 1019920007426 A KR1019920007426 A KR 1019920007426A KR 920007426 A KR920007426 A KR 920007426A KR 920022668 A KR920022668 A KR 920022668A
- Authority
- KR
- South Korea
- Prior art keywords
- memory
- parameter data
- recorded
- signal processing
- address
- Prior art date
Links
- 230000006870 function Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000004044 response Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
- G10H1/12—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms
- G10H1/125—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms using a digital filter
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
- G10H2250/055—Filters for musical processing or musical effects; Filter responses, filter architecture, filter coefficients or control parameters therefor
- G10H2250/101—Filter coefficient update; Adaptive filters, i.e. with filter coefficient calculation in real time
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
- G10H2250/055—Filters for musical processing or musical effects; Filter responses, filter architecture, filter coefficients or control parameters therefor
- G10H2250/111—Impulse response, i.e. filters defined or specifed by their temporal impulse response features, e.g. for echo or reverberation applications
- G10H2250/121—IIR impulse
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Computer Hardware Design (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- Complex Calculations (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Electrophonic Musical Instruments (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예의 구성도,
제2도는 본 발명의 1실시예의 동작을 나타낸 타이밍챠트,
제3도는 제로 크로스(zero cross)에 의한 파라미터의 변경을 설명하기 위한 음향파형도.
Claims (2)
- 승산연산 또는 외부메모리에 대한 어드레스생성에 필요한 파라미터 데이터를 순차적으로 제어장치(29)로부터 송신해서 버퍼 메모리(2)에 기록한 후, 그 메모리(2)에 기록된 파라미터 데이터를 일거에 개서하는 기능을 갖춘 디지탈신호처리장치에 있어서, 상기 버퍼 메모리(2)에 기록된 파라미터 데이터가 기록되는 파라미터용 내부 메모리(7)에 대해, 상기 제어장치(29)로 부터 설정되는 어드레스(16)와 프로그램에 의해 제어되고 있는 상기 파라미터용 내부메모리(7)의 어드레스(17)를 비교해서 상기 버퍼 메모리(2)로 부터 독출한 파라미터 데이터를 상기 내부메모리(7)에 기록하기 위한 제어신호(20)를 생성하는 수단(5)을 설치하고, 상기 버퍼 메모리(2)로 부터 독출한 파라미터 데이터를 상기 내부메모리(7)에 기록함과 더불어 승산연산 또는 외부메모리의 어드레스생성에 사용하는 수단(28)을 갖춘 것을 특징으로 하는 디지탈신호처리장치.
- 제1항에 있어서, 상기 파라미터에서 변화되는 음향신호에 대응하는 디지탈신호의 제로 크로스를 검출한 후, 상기 버퍼 메모리(2)로 부터 독출한 파라미터 데이터를 상기 내부메모리(7)에 기록함과 더불어 그 데이터를 승산 또는 외부메모리의 어드레스생성에 사용하는 수단(1)을 갖춘 것을 특징으로 하는 디지탈신호처리장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91-100799 | 1991-05-02 | ||
JP3100799A JP2680483B2 (ja) | 1991-05-02 | 1991-05-02 | デジタル信号処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920022668A true KR920022668A (ko) | 1992-12-19 |
KR970004092B1 KR970004092B1 (ko) | 1997-03-25 |
Family
ID=14283452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920007426A KR970004092B1 (ko) | 1991-05-02 | 1992-05-01 | 디지탈신호처리장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5386529A (ko) |
JP (1) | JP2680483B2 (ko) |
KR (1) | KR970004092B1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2924643B2 (ja) * | 1994-05-19 | 1999-07-26 | ヤマハ株式会社 | ディジタル信号処理方法及び装置 |
US5689571A (en) * | 1994-12-08 | 1997-11-18 | Kawai Musical Inst. Mfg. Co., Ltd. | Device for producing reverberation sound |
US5867726A (en) * | 1995-05-02 | 1999-02-02 | Hitachi, Ltd. | Microcomputer |
JP2998612B2 (ja) * | 1995-06-06 | 2000-01-11 | ヤマハ株式会社 | 楽音発生装置 |
US5781636A (en) * | 1996-04-22 | 1998-07-14 | United Microelectronics Corporation | Method and apparatus for generating sounds with tremolo and vibrato sound effects |
JP3163984B2 (ja) * | 1996-06-28 | 2001-05-08 | ヤマハ株式会社 | 楽音発生装置 |
US6441290B2 (en) * | 2000-02-01 | 2002-08-27 | Yamaha Corporation | Apparatus and method for reproducing or recording, via buffer memory, sample data supplied from storage device |
JP2002344320A (ja) * | 2001-05-21 | 2002-11-29 | Sony Corp | ディジタル信号処理装置及びディジタル信号処理方法 |
JP2003104389A (ja) * | 2001-09-28 | 2003-04-09 | Nihon Pharmaceutical Co Ltd | 自立性包装体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715800A (en) * | 1984-10-17 | 1987-12-29 | Nippondenso Co., Ltd. | Rotary compressor with clutch actuated by hydraulic fluid and compressed fluid |
US4731835A (en) * | 1984-11-19 | 1988-03-15 | Nippon Gakki Seizo Kabushiki Kaisha | Reverberation tone generating apparatus |
JPS636494U (ko) * | 1986-06-30 | 1988-01-16 | ||
US4888808A (en) * | 1987-03-23 | 1989-12-19 | Matsushita Electric Industrial Co., Ltd. | Digital equalizer apparatus enabling separate phase and amplitude characteristic modification |
US5293611A (en) * | 1988-09-20 | 1994-03-08 | Hitachi, Ltd. | Digital signal processor utilizing a multiply-and-add function for digital filter realization |
US5086475A (en) * | 1988-11-19 | 1992-02-04 | Sony Corporation | Apparatus for generating, recording or reproducing sound source data |
US5091951A (en) * | 1989-06-26 | 1992-02-25 | Pioneer Electronic Corporation | Audio signal data processing system |
US5255323A (en) * | 1990-04-02 | 1993-10-19 | Pioneer Electronic Corporation | Digital signal processing device and audio apparatus using the same |
US5216718A (en) * | 1990-04-26 | 1993-06-01 | Sanyo Electric Co., Ltd. | Method and apparatus for processing audio signals |
JPH04149598A (ja) * | 1990-10-12 | 1992-05-22 | Pioneer Electron Corp | 音場補正装置 |
-
1991
- 1991-05-02 JP JP3100799A patent/JP2680483B2/ja not_active Expired - Fee Related
-
1992
- 1992-05-01 KR KR1019920007426A patent/KR970004092B1/ko not_active IP Right Cessation
- 1992-05-01 US US07/877,107 patent/US5386529A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2680483B2 (ja) | 1997-11-19 |
KR970004092B1 (ko) | 1997-03-25 |
US5386529A (en) | 1995-01-31 |
JPH04330561A (ja) | 1992-11-18 |
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