KR920008670A - Sound signal synthesis circuit - Google Patents

Sound signal synthesis circuit Download PDF

Info

Publication number
KR920008670A
KR920008670A KR1019910014932A KR910014932A KR920008670A KR 920008670 A KR920008670 A KR 920008670A KR 1019910014932 A KR1019910014932 A KR 1019910014932A KR 910014932 A KR910014932 A KR 910014932A KR 920008670 A KR920008670 A KR 920008670A
Authority
KR
South Korea
Prior art keywords
envelope
sound data
circuits
converters
data
Prior art date
Application number
KR1019910014932A
Other languages
Korean (ko)
Other versions
KR950003555B1 (en
Inventor
구니오 야마다
Original Assignee
요시무라 시로오
가부시끼가이샤 세이꼬오샤
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
Application filed by 요시무라 시로오, 가부시끼가이샤 세이꼬오샤 filed Critical 요시무라 시로오
Publication of KR920008670A publication Critical patent/KR920008670A/en
Application granted granted Critical
Publication of KR950003555B1 publication Critical patent/KR950003555B1/en

Links

Classifications

    • 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
    • G10L13/00—Speech synthesis; Text to speech 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
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/008—Means for controlling the transition from one tone waveform to another
    • 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
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/057—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

내용 없음No content

Description

음향신호 합성회로Sound signal synthesis circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 제1실시예를 예시하는 블록도.1 is a block diagram illustrating a first embodiment of the present invention.

제2도는 각음의 발생타이밍에 대응하여 엔빌로우프 회로(CR)(4,5,6)에 공급되는 스타트 신호, CR(4,5,6)로부터 발생되는 엔빌로우프 신호, 셀렉터(16)의 출력단자와 입력단자와의 접속상태 및 셀렉터 및 셀렉터(8)의 출력단자와, 입력단자와의 접속상태를 각각 도시하는 설명도.2 shows the start signal supplied to the envelope circuits CR, 4, 5 and 6, the envelope signal generated from the CR 4, 5 and 6, and the output of the selector 16 in response to the timing of the generation of each sound. Explanatory drawing which shows the connection state of a terminal and an input terminal, and the connection state of the output terminal of the selector and the selector 8, and an input terminal, respectively.

제3도는 본 발명의 제2실시에를 예시하는 블록도.3 is a block diagram illustrating a second embodiment of the present invention.

Claims (2)

각각 상이한 음향데이타를 기억시키고 있는 복수의 기억회로와, 상기 각 음향데이타에 대응하는 엔빌로우프 신호를 상기 각 음향데이타의 발생타이밍에 맞추어서 발생되는 복수의 엔빌로우프 회로와, 상기 각 기억회로로부터의 음향데이타를 D/A 변환시키는 동시에, 상기 각 엔빌로우프 회로로부터의 해당 음향데이타에 대응하는 엔빌로우프 신호에 의해 엔빌로우프 처리를 행하는 복수의 D/A 변환기와, 상기 각 엔빌로우프 회로로부터의 엔빌로우프 신호를 해당 음향 데이타가 공급되는 상기 D/A 변환기에 출력시키는 셀렉터와, 상기 각 D/A 변환기로부터의 각각의 출력신호를 합성하는 혼합회로와 이들을 구비하는 것을 특징으로 하는 음향신호 합성회로.A plurality of memory circuits each storing different sound data, a plurality of envelope circuits generated by matching envelope signals corresponding to the respective sound data with generation timings of the respective sound data, and sounds from the respective memory circuits. A plurality of D / A converters for performing D / A conversion of the data and enveloping the envelope signal by the envelope signal corresponding to the corresponding acoustic data from the envelope circuits; and the envelope signals from the envelope circuits. And a mixing circuit for synthesizing each output signal from each of the D / A converters, and a selector for outputting the D / A converters to which the sound data is supplied. 제1항에 있어서, 상기 셀렉터는 상기 각 기억회로로부터의 음향 데이타를, 해당 음향데이타에 대응하는 엔빌로우프 신호가 공급되는 D/A 변환기에 출력시키는 것을 특징으로 하는 음향신호 합성회로.The sound signal synthesizing circuit as claimed in claim 1, wherein said selector outputs sound data from said memory circuits to a D / A converter supplied with an envelope signal corresponding to said sound data. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910014932A 1990-10-31 1991-08-28 Method and apparatus for electron acoustic signal KR950003555B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2294838A JPH04166999A (en) 1990-10-31 1990-10-31 Acoustic signal synthesizing circuit
JP2-294838 1990-10-31

Publications (2)

Publication Number Publication Date
KR920008670A true KR920008670A (en) 1992-05-28
KR950003555B1 KR950003555B1 (en) 1995-04-14

Family

ID=17812907

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014932A KR950003555B1 (en) 1990-10-31 1991-08-28 Method and apparatus for electron acoustic signal

Country Status (3)

Country Link
JP (1) JPH04166999A (en)
KR (1) KR950003555B1 (en)
DE (1) DE4133469C2 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1126992A (en) * 1978-09-14 1982-07-06 Toshio Kashio Electronic musical instrument
JPS55144296A (en) * 1979-04-27 1980-11-11 Nippon Musical Instruments Mfg Electronic musical instrument
JPS58125095A (en) * 1982-01-21 1983-07-25 セイコーインスツルメンツ株式会社 Musical sound waveform generation circuit for electronic musical instrument
DE3219731C2 (en) * 1982-05-26 1985-04-04 EUROSIL electronic GmbH, 8057 Eching Electronic sound signal generator
DE3240084A1 (en) * 1982-05-26 1984-05-17 EUROSIL electronic GmbH, 8057 Eching ELECTRONIC STRIKE CLOCK SWITCHING AND METHOD FOR RECOVERING PRESET TONES BY DIGITAL FREQUENCY DIVISION
US4418602A (en) * 1982-07-13 1983-12-06 Turner William D Transfer organ
JPS615297A (en) * 1985-04-22 1986-01-11 ヤマハ株式会社 Formation of musical sound
JP2668219B2 (en) * 1987-09-08 1997-10-27 セイコーエプソン株式会社 Analog waveform generator
JP2560817B2 (en) * 1988-12-28 1996-12-04 カシオ計算機株式会社 Waveform data reader

Also Published As

Publication number Publication date
DE4133469C2 (en) 1995-03-16
KR950003555B1 (en) 1995-04-14
JPH04166999A (en) 1992-06-12
DE4133469A1 (en) 1992-05-07

Similar Documents

Publication Publication Date Title
KR850004684A (en) Semiconductor memory
KR0181694B1 (en) Digital sound source apparatus and external memory cartridge used therefor
KR880014560A (en) Memory circuit
KR860006884A (en) Waveform shaping circuit
KR930014245A (en) Electronic musical instrument
KR920008670A (en) Sound signal synthesis circuit
US4683794A (en) Automatic music playing apparatus capable of producing a plurality of different sounds simultaneously
KR970002676B1 (en) Karaoke system and its control method
JPS6412398B2 (en)
US5708760A (en) Voice address/data memory for speech synthesizing system
JPH05289660A (en) Sound source integrated circuit with built-in effect adding device and sound source device using the same
JPS6319880B2 (en)
JPS5921038B2 (en) electronic musical instruments
JPS61112193A (en) Musical sound generator
KR960043967A (en) Sound signal selection method
JPS6223873B2 (en)
KR930020250A (en) Clock inverter
KR970068409A (en) Tone generation circuit using a digital signal processing processor (DSP)
JP2963784B2 (en) Digital sound source circuit
KR930006540Y1 (en) Auto talking-back speech synthesis circuit
KR950005688Y1 (en) Digital voice signal converting circuit of electronic musical instrument
JPS62269998A (en) Digital electronic musical instrument
KR960019298A (en) Signal conversion device of semiconductor device
JPS587694A (en) Chip sound generation ic
KR970051268A (en) Internal Clock Generation Circuit of Semiconductor Memory Device

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20050324

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee