KR920005530A - Voice signal transmission circuit for subband coding and ADM - Google Patents

Voice signal transmission circuit for subband coding and ADM Download PDF

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Publication number
KR920005530A
KR920005530A KR1019900013486A KR900013486A KR920005530A KR 920005530 A KR920005530 A KR 920005530A KR 1019900013486 A KR1019900013486 A KR 1019900013486A KR 900013486 A KR900013486 A KR 900013486A KR 920005530 A KR920005530 A KR 920005530A
Authority
KR
South Korea
Prior art keywords
adm
transmission circuit
signal transmission
voice signal
subband coding
Prior art date
Application number
KR1019900013486A
Other languages
Korean (ko)
Inventor
이홍순
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900013486A priority Critical patent/KR920005530A/en
Publication of KR920005530A publication Critical patent/KR920005530A/en

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Abstract

내용 없음No content

Description

서브밴드 코딩과 ADEM용의 음성신호 전송회로Subband Coding and Voice Signal Transmission Circuit for ADEM

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

제1도는 본 발명의 기본개념 회로 블럭도,1 is a schematic block diagram of the basic concept of the present invention;

제2도는 통상의 필터뱅크가 이성적인 스펙트럼으로 이뤄질때의 참고도,2 is a reference diagram when a typical filter bank is composed of a rational spectrum,

제3도는 제2도가 물리적으로 구축되었을때의 참고도.FIG. 3 is a reference diagram when FIG. 2 is physically constructed.

Claims (1)

음성신호를 데이타 압축하여 전송하는 ADM방식의 음성신호 전송회로에 있어서, 통상의 서브밴드 기법으로 입력음성신호를 소정대역폭으로 다수개 분할하는 BPF의 필터뱅크(11)와, 상기 필터뱅크(11)의 출력으로 부터 베이스밴드로 이동시키는 주파수 쉬프터(12) 및, 이 주파수 쉬프터(12) 출력으로 부터 저역성분을 제거하는 저역필터(13)와, 이 저역필터(13)의 출력에서 데이타 압축을 행하는 ADM엔코더(14) 및, 이 ADM엔코더(14) 출력을 상호 섞음하는 멀티플렉서(15)등과를 일체로 포함하는 음성신호전송회로(1)의 구성을 특징으로 하는 서브 밴트 코딩과 ADM이용의 음성신호 전송회로.In the ADM audio signal transmission circuit for compressing and transmitting a voice signal, a BPF filter bank 11 for dividing a plurality of input voice signals into a predetermined bandwidth by a conventional subband scheme, and the filter bank 11 The frequency shifter 12 moves from the output of the baseband to the baseband, and a low pass filter 13 for removing low frequency components from the output of the frequency shifter 12, and data compression is performed at the output of the low pass filter 13. Voice signal for subband coding and ADM, characterized by a configuration of an audio signal transmission circuit 1 including an ADM encoder 14 and a multiplexer 15 for intermixing the outputs of the ADM encoder 14 and the like. Transmission circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900013486A 1990-08-30 1990-08-30 Voice signal transmission circuit for subband coding and ADM KR920005530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900013486A KR920005530A (en) 1990-08-30 1990-08-30 Voice signal transmission circuit for subband coding and ADM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900013486A KR920005530A (en) 1990-08-30 1990-08-30 Voice signal transmission circuit for subband coding and ADM

Publications (1)

Publication Number Publication Date
KR920005530A true KR920005530A (en) 1992-03-28

Family

ID=67542957

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900013486A KR920005530A (en) 1990-08-30 1990-08-30 Voice signal transmission circuit for subband coding and ADM

Country Status (1)

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KR (1) KR920005530A (en)

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