KR900005841A - Musical description method and apparatus - Google Patents

Musical description method and apparatus Download PDF

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Publication number
KR900005841A
KR900005841A KR1019890012767A KR890012767A KR900005841A KR 900005841 A KR900005841 A KR 900005841A KR 1019890012767 A KR1019890012767 A KR 1019890012767A KR 890012767 A KR890012767 A KR 890012767A KR 900005841 A KR900005841 A KR 900005841A
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South Korea
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channel
signal
amplitude
predetermined
phase
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KR1019890012767A
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Korean (ko)
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KR930002147B1 (en
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디.로웨 대니
더블유. 리스 죤
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원본미기재
큐 사운드 리미티드
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Priority claimed from US07/239,981 external-priority patent/US5046097A/en
Application filed by 원본미기재, 큐 사운드 리미티드 filed Critical 원본미기재
Publication of KR900005841A publication Critical patent/KR900005841A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40—Visual indication of stereophonic sound image

Abstract

내용 없음No content

Description

음상묘사 방법 및 그 장치Musical description method and apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제8도는 본 발명의 일실시예에 따른 음상 묘사 시스템의 개략 블록도.8 is a schematic block diagram of a sound depiction system according to an embodiment of the present invention.

제9도는 본 발명의 일실시예에 따른 조작자 워크스테이션의 회화도.9 is a conversational view of an operator workstation according to an embodiment of the present invention.

제10도는 본발명을 제어하는데 사용된 컴퓨터그래픽 사시적 디스플레이도.10 is a computer graphics perspective display used to control the present invention.

제11도는 본 발명을 제어하는데 사용된 직교도의 컴퓨터 그래픽 디스플레이도.11 is an orthogonal computer graphics display diagram used to control the present invention.

Claims (9)

청취자를 포함한 3차원 공간내의 어디에서나 예정된 그리고 국한된 위치에서의 선택된 음에 상응하는 전기신호로부터 선택된 음의 명백한 근원을 만들어내어 위치를 알아내기 위한 방법으로, 상기 전기신호를 각각 제1과 제2의 챈널신호로 분리하는 단계, 예정된 주파수에 의존하여, 상기 제1과 제2의 챈널중 적어도 하나의 신호의 진폭 변경 및 위상시프트를 행하고, 그에 의해 적어도 제1의 챈널 변경신호 또는 제2의 챈널 변경신호를 만들어내고, 2챈널신호간의 차동위상 및 진폭을 일으키는 단계, 그리고 적어도 제1과 제2의 챈널 변경신호를 3차원 공간내에 위치되고 청취자로부터 간격져 떨어져 있는 제1과 제2의 사운드 트랜스 듀서수단에 개별적으로 가해서 상기 사운드 트랜스듀서 수단의 위치와 다를 수 있는 3차원 공간내의 예정된 위치에 명백하게 근원하는 음을 만들어내는 단계로 이루어지는 것을 특징으로 하는 음상묘사방법.A method for locating an apparent source of a selected sound from an electrical signal corresponding to a selected sound at a predetermined and localized location anywhere in a three-dimensional space including a listener, wherein the electrical signal is first and second respectively. Separating into a channel signal, depending on a predetermined frequency, performing amplitude change and phase shift of at least one of the first and second channels, thereby changing at least the first channel change signal or the second channel change; Generating signals, generating differential phases and amplitudes between the two channel signals, and first and second sound transducers positioned at least in the first and second channel change signals in three-dimensional space and spaced apart from the listener. Applied separately to the means it is apparent to a predetermined position in the three-dimensional space that may be different from the position of the sound transducer means. How to describe sound image which comprises a step for the sound of the source. 제1항에 있어서, 상기 신호의 진폭변경 및 위상 시프트단계가 상기 제1 및 제2의 챈널 신호간의 차동적인 상기 위상 진폭을 유지하면서 상기 제1 및 제2의 챈널신호에 가해지는 것을 특징으로 하는 음상묘사방법.The method of claim 1, wherein the amplitude change and phase shifting of the signal are applied to the first and second channel signals while maintaining the differential phase amplitude between the first and second channel signals. Articulation method. 제1항에 있어서, 상기 제1 및 제2의 챈널신호중 적어도 하나를 연산증폭기부를 포함하는 적어도 하나의 전역필터에 가하는 단계를 포함하고, 상기 필터는 실험적으로 유도되는 전달 함수를 특징으로 하는 바와같이 예정된 주파수음답과 위상을 갖는 것을 특징으로 하는 음상묘사방법.2. The method of claim 1, comprising applying at least one of the first and second channel signals to at least one global filter comprising an operational amplifier, wherein the filter is characterized by an experimentally derived transfer function. An image description method comprising a predetermined frequency response and phase. 제3항에 있어서, 상기 신호중 적어도 하나를 적어도 하나의 필터에 가하는 단계는 상기 적어도 하나의 신호를 캐스 케이드된 필터시리즈에 가하는 단계를 포함하는 것을 특징으로 하는 음상묘사방법.4. The method of claim 3, wherein applying at least one of the signals to at least one filter comprises applying the at least one signal to a cascaded filter series. 제1항에 있어서, 상기 제1 및 제2의 챈널신호와 거기서부터 유도된 변경신호를 차후 선택된 시간에 재생할 수 있는 매체에 저장하는 단계를 포함하는 것을 특징으로 하는 음상묘사방법.2. The method of claim 1, comprising storing the first and second channel signals and the change signal derived therefrom on a medium that can be reproduced at a later selected time. 제1항에 있어서, 진폭을 변경하고 위상을 시프트하는 단계는 상기 차동위상시프트를 실행하기 위한 예정된 위상전달함수를 갖고, 상기 차동진폭변경을 실행하기 위한 예정된 진폭전달함수를 갖는 사운드 처리기를 통해 상기 제1 및 제2의 챈널중 적어도 하나를 통과시키는 것을 포함하는 것을 특징으로 하는 음상묘사방법.2. The method of claim 1, wherein varying the amplitude and shifting the phase have a predetermined phase transfer function for performing the differential phase shift and through a sound processor having a predetermined amplitude transfer function for performing the differential amplitude shift. An image description method comprising passing at least one of the first and second channels. 제6항에 있어서, 예정된 위상 및 진폭전달함수는 40Hz간격으로 주파수에 의존하여 구성되는 것을 특징으로 하는 음상묘사방법.7. The method of claim 6, wherein the predetermined phase and amplitude transfer function are configured depending on the frequency at intervals of 40 Hz. 선택된 음에 상응하는 전기신호로부터 청취자를 포함한 3차원 공간내에 위치되는 예정되고 국한된 위치에 적어도 하나의 선택된 음에 대한 명백한 근원의 오디오 지각 환영을 자유공간에 위치된 2트랜스듀서를 이용하여 만들어내어 위치를 알아내기위한 신호를 조절하기 위한 시스템으로, 제1 및 제2의 챈널수단을 전기신호를 수신하고, 상기 제1 및 제2의 챈널수단중 하나는 2챈널간에 발생하는 차동적인 진폭 및 위상시프트가 오디오 스펙트럼의 각 주파수간격에 대한 예정된 값인 식으로 주파수에 의존하여 각 전기신호의 진폭을 변경하고 위상각을 시프트하여 그것으로부터 각 변경된 신호를 만들어내기 위한 수단을 포함하고, 상기 제1 및 제2의 챈널은 2트랜스듀서에 공급되는 것으로 구성되는 음성묘사장치.An apparent source audio perceptual illusion of at least one selected sound at a predetermined and localized location located in a three-dimensional space including a listener from an electrical signal corresponding to the selected sound is created by means of a two-transducer located in free space. A system for adjusting a signal for determining a signal, comprising: first and second channel means for receiving an electrical signal, wherein one of the first and second channel means is a differential amplitude and phase shift occurring between two channels Means for varying the amplitude of each electrical signal and shifting the phase angle to produce each altered signal therefrom, depending on the frequency such that is a predetermined value for each frequency interval of the audio spectrum, wherein the first and second The channel's channel is composed of two transducers. 제8항에 있어서, 제2의 변경신호를 만들어내기위한 나머지 챈널의 제2의 수단을 포함하고, 거기서 상기 제2의 변경 신호에서 발생하는 진폭의 변경 및 위상시프트는 주파수 의존방식으로 행해지고, 차동적인 위상시프트는 유지되는 것을 특징으로9. A method according to claim 8, comprising a second means of the rest of the channel for producing a second change signal, wherein the amplitude change and phase shift occurring in the second change signal are done in a frequency dependent manner and differential Phase shift is maintained ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012767A 1988-09-02 1989-09-02 Sound imaging method and apparatus KR930002147B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/239,981 US5046097A (en) 1988-09-02 1988-09-02 Sound imaging process
US239,981 1988-09-02
US39898889A 1989-08-28 1989-08-28
US398,988 1995-03-06

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AR (1) AR245858A1 (en)
AT (1) ATE123369T1 (en)
AU (1) AU621655B2 (en)
BG (1) BG60225B2 (en)
CA (1) CA1329911C (en)
DE (1) DE68922885T2 (en)
DK (1) DK433789A (en)
ES (1) ES2075053T3 (en)
FI (1) FI894143A (en)
HU (1) HUT59523A (en)
IL (1) IL91464A (en)
NO (1) NO175229C (en)
NZ (1) NZ230517A (en)
PL (1) PL163716B1 (en)
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PL163716B1 (en) 1994-04-29
ES2075053T3 (en) 1995-10-01
DK433789D0 (en) 1989-09-01
CA1329911C (en) 1994-05-31
NZ230517A (en) 1992-10-28
DE68922885D1 (en) 1995-07-06
KR930002147B1 (en) 1993-03-26
JP3205808B2 (en) 2001-09-04
DE68922885T2 (en) 1995-10-12
DK433789A (en) 1990-03-03
IL91464A (en) 1994-11-28
JPH02298200A (en) 1990-12-10
FI894143A0 (en) 1989-09-01
FI894143A (en) 1990-03-03
HUT59523A (en) 1992-05-28
AU4100089A (en) 1990-03-08
BG60225B2 (en) 1993-12-30
EP0357402B1 (en) 1995-05-31
NO893522L (en) 1990-03-05
NO893522D0 (en) 1989-09-01
ATE123369T1 (en) 1995-06-15
NO175229C (en) 1994-09-14
EP0357402A3 (en) 1991-10-02
IL91464A0 (en) 1990-04-29
AU621655B2 (en) 1992-03-19
RU2092979C1 (en) 1997-10-10
AR245858A1 (en) 1994-02-28
EP0357402A2 (en) 1990-03-07

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