JPH10509544A - モノリシックｐｃオーディオ回路 - Google Patents

モノリシックｐｃオーディオ回路

Info

Publication number
JPH10509544A
JPH10509544A JP8516131A JP51613196A JPH10509544A JP H10509544 A JPH10509544 A JP H10509544A JP 8516131 A JP8516131 A JP 8516131A JP 51613196 A JP51613196 A JP 51613196A JP H10509544 A JPH10509544 A JP H10509544A
Authority
JP
Japan
Prior art keywords
circuit
digital
signal
data
output
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
Application number
JP8516131A
Other languages
English (en)
Japanese (ja)
Inventor
ラリー・ディー ヒューイット、
ジェフリー・エム ブルメンタール、
ジェフリー・イー ブレーマー、
グレン・ダブリュ ブラウン、
カーリン・ドルー ケイブラー、
ライアン フィームスター、
デイビッド ゲーシオ、
デイル・イー ガリック、
マイケル ホーガン、
アルフレード・アール リンツ、
デイビッド ノーリス、
ポール・ジー シュニッツライン、
マーティン・ピー ソーケス、
マイケル・イー スパック、
デイビッド・エヌ サグス、
アラン ティー トロック、
Original Assignee
アドバンスト・マイクロ・ディバイシス・インコーポレーテッド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/334,462 external-priority patent/US6047073A/en
Priority claimed from US08/333,564 external-priority patent/US5668338A/en
Priority claimed from US08/333,536 external-priority patent/US5659466A/en
Priority claimed from US08/333,467 external-priority patent/US5589830A/en
Priority claimed from US08/333,386 external-priority patent/US5598158A/en
Priority claimed from US08/333,460 external-priority patent/US5585802A/en
Priority claimed from US08/510,139 external-priority patent/US5581253A/en
Application filed by アドバンスト・マイクロ・ディバイシス・インコーポレーテッド filed Critical アドバンスト・マイクロ・ディバイシス・インコーポレーテッド
Publication of JPH10509544A publication Critical patent/JPH10509544A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/68—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
    • 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
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/0058—Transmission between separate instruments or between individual components of a musical system
    • G10H1/0066—Transmission between separate instruments or between individual components of a musical system using a MIDI interface
    • 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
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/002—Instruments in which the tones are synthesised from a data store, e.g. computer organs using a common processing for different operations or calculations, and a set of microinstructions (programme) to control the sequence thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • 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
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/315—User input interfaces for electrophonic musical instruments for joystick-like proportional control of musical input; Videogame input devices used for musical input or control, e.g. gamepad, joysticks
    • 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
    • G10H2230/00—General physical, ergonomic or hardware implementation of electrophonic musical tools or instruments, e.g. shape or architecture
    • G10H2230/025—Computing or signal processing architecture features
    • G10H2230/035—Power management, i.e. specific power supply solutions for electrophonic musical instruments, e.g. auto power shut-off, energy saving designs, power conditioning, connector design, avoiding inconvenient wiring
    • 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
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/171—Transmission of musical instrument data, control or status information; Transmission, remote access or control of music data for electrophonic musical instruments
    • G10H2240/281—Protocol or standard connector for transmission of analog or digital data to or from an electrophonic musical instrument
    • G10H2240/311—MIDI transmission
    • 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
    • G10H2250/115—FIR impulse, e.g. for echoes or room acoustics, the shape of the impulse response is specified in particular according to delay times
    • 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
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/165—Polynomials, i.e. musical processing based on the use of polynomials, e.g. distortion function for tube amplifier emulation, filter coefficient calculation, polynomial approximations of waveforms, physical modeling equation solutions
    • G10H2250/175—Jacobi polynomials of several variables, e.g. Heckman-Opdam polynomials, or of one variable only, e.g. hypergeometric polynomials
    • G10H2250/181—Gegenbauer or ultraspherical polynomials, e.g. for harmonic analysis
    • G10H2250/191—Chebyshev polynomials, e.g. to provide filter coefficients for sharp rolloff filters
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/545—Aliasing, i.e. preventing, eliminating or deliberately using aliasing noise, distortions or artifacts in sampled or synthesised waveforms, e.g. by band limiting, oversampling or undersampling, respectively
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • G10H2250/605—Dynamic range companding algorithms, e.g. "mu"-law, primarily used in the digital telephone systems of North America and Japan, or A-law as used in European digital telephone systems
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/611—Waveform decimation, i.e. integer division of the sampling rate for reducing the number of samples in a discrete-time signal, e.g. by low-pass anti-alias filtering followed by the actual downsampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrophonic Musical Instruments (AREA)
JP8516131A 1994-11-02 1995-11-02 モノリシックｐｃオーディオ回路 Pending JPH10509544A (ja)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
US33345194A 1994-11-02 1994-11-02
US33446194A 1994-11-02 1994-11-02
US08/334,462 US6047073A (en) 1994-11-02 1994-11-02 Digital wavetable audio synthesizer with delay-based effects processing
US08/333,564 US5668338A (en) 1994-11-02 1994-11-02 Wavetable audio synthesizer with low frequency oscillators for tremolo and vibrato effects
US08/333,536 US5659466A (en) 1994-11-02 1994-11-02 Monolithic PC audio circuit with enhanced digital wavetable audio synthesizer
US08/333,467 US5589830A (en) 1994-11-02 1994-11-02 Stereo audio codec
US08/333,386 US5598158A (en) 1994-11-02 1994-11-02 Digital noise shaper circuit
US08/333,460 US5585802A (en) 1994-11-02 1994-11-02 Multi-stage digital to analog conversion circuit and method
US08/333,386 1995-08-03
US08/510,139 US5581253A (en) 1995-08-03 1995-08-03 Implementation and method for a digital sigma-delta modulator
US08/333,451 1995-08-03
US08/333,460 1995-08-03
US08/510,139 1995-08-03
US08/333,467 1995-08-03
US08/333,564 1995-08-03
US08/333,536 1995-08-03
US08/334,462 1995-08-03
US08/334,461 1995-08-03
PCT/US1995/014254 WO1996015484A2 (fr) 1994-11-02 1995-11-02 Circuit audio monolithique pour pc

Publications (1)

Publication Number Publication Date
JPH10509544A true JPH10509544A (ja) 1998-09-14

Family

ID=27578814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8516131A Pending JPH10509544A (ja) 1994-11-02 1995-11-02 モノリシックｐｃオーディオ回路

Country Status (3)

Country Link
EP (1) EP0789868A2 (fr)
JP (1) JPH10509544A (fr)
WO (1) WO1996015484A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019087809A1 (fr) * 2017-10-31 2019-05-09 株式会社村田製作所 Convertisseur analogique/numérique

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997049189A1 (fr) * 1996-06-20 1997-12-24 Advanced Micro Devices, Inc. Circuit numerique de quatrieme ordre de mise en forme du bruit
US5928342A (en) * 1997-07-02 1999-07-27 Creative Technology Ltd. Audio effects processor integrated on a single chip with a multiport memory onto which multiple asynchronous digital sound samples can be concurrently loaded
US6373954B1 (en) 1997-10-14 2002-04-16 Cirrus Logic, Inc. Single-chip audio circuitry, method, and systems using the same
WO1999020006A2 (fr) * 1997-10-14 1999-04-22 Crystal Semiconductor Corp. Circuits audio monopuce, procedes et systemes utilisant lesdits circuits
JP4363721B2 (ja) * 1999-11-12 2009-11-11 オリンパス株式会社 電子機器の製造方法及び電子機器
RU200448U1 (ru) * 2020-07-20 2020-10-26 Открытое акционерное общество Омское производственное объединение "Радиозавод имени А.С. Попова" (РЕЛЕРО) Устройство формирования цифрового комплексного стереофонического сигнала
US11522555B1 (en) * 2021-06-14 2022-12-06 Tetramem Inc. Multistage analog-to-digital converters for crossbar-based circuits
US11659329B2 (en) 2021-08-05 2023-05-23 Infineon Technologies Ag Efficient seamless switching of sigma-delta modulators
CN114553616B (zh) * 2022-01-12 2023-11-24 广州市迪士普音响科技有限公司 一种会议单元的音频传输方法、装置、系统及终端设备
US11804814B1 (en) 2022-04-13 2023-10-31 Stmicroelectronics S.R.L. Noise shaper fader

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389915A (en) * 1980-12-18 1983-06-28 Marmon Company Musical instrument including electronic sound reverberation
US4570523A (en) * 1981-07-30 1986-02-18 Nippon Gakki Seizo Kabushiki Kaisha Reverberation tone generating apparatus
US4731835A (en) * 1984-11-19 1988-03-15 Nippon Gakki Seizo Kabushiki Kaisha Reverberation tone generating apparatus
US4706291A (en) * 1985-06-25 1987-11-10 Nippon Gakki Seizo Kabushiki Kaisha Reverberation imparting device
US5000074A (en) * 1988-06-23 1991-03-19 Yamaha Corporation Effect imparting device for an electronic musical instrument or the like apparatus
JP2915452B2 (ja) * 1989-11-28 1999-07-05 ヤマハ株式会社 楽音発生装置
DE69107059T2 (de) * 1990-01-31 1995-08-24 Analog Devices Inc Sigma-delta-modulator.
US5061925A (en) * 1990-08-22 1991-10-29 Crystal Semiconductor Corporation Phase equalization system for a digital-to-analog converter utilizing separate digital and analog sections
US5166464A (en) * 1990-11-28 1992-11-24 Casio Computer Co., Ltd. Electronic musical instrument having a reverberation
JPH04329714A (ja) * 1991-04-30 1992-11-18 Nec Ic Microcomput Syst Ltd ノイズシェーバ回路
US5243124A (en) * 1992-03-19 1993-09-07 Sierra Semiconductor, Canada, Inc. Electronic musical instrument using FM sound generation with delayed modulation effect
US5297231A (en) * 1992-03-31 1994-03-22 Compaq Computer Corporation Digital signal processor interface for computer system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019087809A1 (fr) * 2017-10-31 2019-05-09 株式会社村田製作所 Convertisseur analogique/numérique

Also Published As

Publication number Publication date
WO1996015484A2 (fr) 1996-05-23
EP0789868A2 (fr) 1997-08-20
WO1996015484A3 (fr) 1997-02-06

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