KR940012237A - High Quality Voice Synthesis by Phase Noise Addition - Google Patents

High Quality Voice Synthesis by Phase Noise Addition Download PDF

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Publication number
KR940012237A
KR940012237A KR1019920022910A KR920022910A KR940012237A KR 940012237 A KR940012237 A KR 940012237A KR 1019920022910 A KR1019920022910 A KR 1019920022910A KR 920022910 A KR920022910 A KR 920022910A KR 940012237 A KR940012237 A KR 940012237A
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KR
South Korea
Prior art keywords
noise
outputting
central processing
rom
processing unit
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KR1019920022910A
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Korean (ko)
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KR950012362B1 (en
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이윤근
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이헌조
주식회사 금성사
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Publication of KR950012362B1 publication Critical patent/KR950012362B1/en

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    • 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
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G10L13/04—Details of speech synthesis systems, e.g. synthesiser structure or memory management
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)

Abstract

본 발명은 위상잡음을 첨가시켜 자연도를 향상시킨 음성합성장치에 관한 것으로서, 입력된 문자를 데이타 버스를 통해 출력하기 위한 인터페이스 회로와, 음성알고리즘이 프로그램되어 있고 입력된 문자에 대한 파워 스펙트럼 엔벨로프, 피치 및 에너지 정보가 저장된 음성합성 데이타 베이스가 내장되어 있는 롬과, 잡음을 발생하기 위한 잡음 발생기와, 상기 롬내에 내장되어 있는 알고리즘에 따라 잡음발생기에서 인가된 잡음에 위상을 첨가시켜 주고 롬으로부터 읽어들인 파워 스펙트럼 엔벨로프 정보와 위상잡음을 함께 고속 프리에 변환시켜 주며 프리에 변함된 한 피치정보를 롬으로 부터 읽어들인 피치의 주기만큼 시프트시킨 후 이들을 가산하고 마직막 프레임까지 가산동작을 수행한 후 롬으로부터 읽어들인 에너지 정보를 승수하여 음성신로를 출력하기 위한 중앙처리장치와, 중앙처리장치가 상기 롬내에 프로그램되어 있는 알고리즘의 수행시 데이타를 저장하기 위한 램과, 중앙 처리장치에서 합성된 음성 신호를 아나로그 신호로 변환시켜 주기 위한 디지탈-아나로그 변환기와, 디지탈-아나로그변환기에서 변환된 아나로그 신호를 증폭시켜 주기 위한 증폭기아, 증폭기를 통해 증폭된 신호를 음성신호로 바꾸어 출력하기 위한 스피커로 이루어졌다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speech synthesis apparatus that improves the naturalness by adding phase noise. The present invention relates to an interface circuit for outputting input characters through a data bus, a power spectral envelope for input characters, and a voice algorithm. Adds a phase to the noise applied by the noise generator according to the ROM having a speech synthesis database storing pitch and energy information, a noise generator for generating noise, and an algorithm embedded in the ROM, and reads from the ROM. It converts the power spectrum envelope information and phase noise into high-speed pre, and shifts the pitch information changed from the free by the period of the read from the ROM. Multiply information A central processing unit for outputting the data, a RAM for storing data when the central processing unit executes an algorithm programmed in the ROM, and a digital signal for converting the audio signal synthesized in the central processing unit into an analog signal. It consists of an analog converter, an amplifier for amplifying the analog signal converted by the digital-analog converter, and a speaker for converting the amplified signal through the amplifier into an audio signal and outputting the same.

Description

위상잡음첨가에 의한 고음질 음성합성장치High Quality Voice Synthesis by Phase Noise Addition

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

제3도는 본 발명의 위상잡음 첨가에 의한 고음질 음성합성장치의 구성도,3 is a block diagram of a high quality speech synthesis apparatus by adding a phase noise of the present invention,

제4도는 본 발명의 위상잡음 첨가에 의한 고음질 음성합성방법을 설명하기 위한 플로우 챠트.4 is a flowchart for explaining a method for synthesizing a high quality voice by adding a phase noise of the present invention.

Claims (2)

입력된 문자를 데이타 버스를 통해 출력하기 위한 인터페이스 수단과, 음성알고리즘이 프로그램되어 있고 입력된 문자에 대한 파워 스펙트럼 엔벨로프, 피치 및 에너지 정보가 데이타 베이스화되어 저장된 제1메모리수단과, 잡음을 발생하여 주기 위한 잡음 발생수단과, 상기 제1메모리수단에 내장되어 있는 알고리즘에 따라 잡음발생수단에서 얻어진 잡음에 위상을 첨가시켜주고, 제1메모리수단의 데이타베이스로부터 읽어들인 파워 스펙트럼엔벨로프 정보와 위상이 첨가된 자음을 함께 역 고속프리에 변환시켜 주며, 제2메모리수단으로 부터 읽어들인 피치의 주기만큼 프리에 변환된 피치정보를 시프트시킨후 이들을 가산시켜 주고, 마지막 프레임까지 가산동작을 수행한 후 가사된 피치정보에 제1메모리수단의 에너지 정보를 승수하여 음성합성 신호를 출력하기 위한 중앙처리 장치와, 상기 중앙처리장치가 제1메모리수단내에 프로그램되어 있는 알로리즘의 수행시 데이타를 저자하기 위한 제2메모리수단과, 중앙처리장치에 의하여 합성된 디지탈 음성신호를 아나로그 신호로 변환시켜 주기 위한 디지탈-아나로그 변환수단과, 상기 디지탈-아나로그 변환수단으로부터 변환된 아나로그 신호를 증폭하기 위한 증폭수단과, 상기증폭수단을 통해 증폭된 신호를 음성신호로 출력시키기 위한 스피커를 포함하는 것을 특징으로 하는 위상잡음 첨가에 의한 고음질 음성합성장치.Interface means for outputting the inputted characters through the data bus, a first memory means for which a power algorithm is programmed and stored in a database in which power spectral envelope, pitch, and energy information for the inputted characters is generated, and noise is generated. Adds a phase to the noise obtained by the noise generating means according to the noise generating means and the algorithm embedded in the first memory means, and adds the power spectrum envelope information and the phase read from the database of the first memory means. It converts consonants to inverse fast free together, shifts the pre-converted pitch information by the period of the pitch read from the second memory means, adds them, adds them to the last frame, and adds them to the lyrics. Multiply energy information of one memory means A central processing unit for outputting the data, a second memory unit for authoring data when the central processing unit executes an algorithm programmed in the first memory unit, and a digital audio signal synthesized by the central processing unit. Digital-analog converting means for converting to a log signal, amplifying means for amplifying the analog signal converted from the digital-analog converting means, and outputting the amplified signal through the amplifying means as a voice signal High-quality speech synthesis device by adding phase noise, characterized in that it comprises a speaker for. 제1항에 있어서, 상기 잡음발생수단에서 발생된 잡음을 No(t), 스케일링 계수를 A8라 할때, 주파수 성분 f8에 포함될 위상잡음 N(t)f=fs은 하기의 식으로 표현되어지는 것을 특징으로 하는 위상잡음 첨가에 의한 고음질 음성합성장치.The method of claim 1, wherein when the noise generated by the noise generating means is No (t) and the scaling factor is A 8 , the phase noise N (t) f = fs to be included in the frequency component f 8 is expressed by the following equation. High-quality speech synthesis device by the addition of phase noise, characterized in that the. N(t)f=fs=AS×N0(t)N (t) f = fs = A S × N 0 (t) ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920022910A 1992-11-30 1992-11-30 Tone quality voice synthesizing device KR950012362B1 (en)

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Application Number Priority Date Filing Date Title
KR1019920022910A KR950012362B1 (en) 1992-11-30 1992-11-30 Tone quality voice synthesizing device

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Application Number Priority Date Filing Date Title
KR1019920022910A KR950012362B1 (en) 1992-11-30 1992-11-30 Tone quality voice synthesizing device

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KR940012237A true KR940012237A (en) 1994-06-23
KR950012362B1 KR950012362B1 (en) 1995-10-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477224B1 (en) * 2002-09-28 2005-03-17 에스엘투 주식회사 Method for storing and searching phase information and coding a speech unit using phase information

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105245856B (en) * 2015-10-30 2018-12-07 深圳英飞拓科技股份有限公司 The safety monitoring circuit and its circuit design method for having audio collection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477224B1 (en) * 2002-09-28 2005-03-17 에스엘투 주식회사 Method for storing and searching phase information and coding a speech unit using phase information

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