CN101394162B - 频率判别电路及采样频率变换装置 - Google Patents

频率判别电路及采样频率变换装置 Download PDF

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Publication number
CN101394162B
CN101394162B CN2008102155730A CN200810215573A CN101394162B CN 101394162 B CN101394162 B CN 101394162B CN 2008102155730 A CN2008102155730 A CN 2008102155730A CN 200810215573 A CN200810215573 A CN 200810215573A CN 101394162 B CN101394162 B CN 101394162B
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China
Prior art keywords
frequency
mentioned
input clock
clock signal
situation
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Expired - Fee Related
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CN2008102155730A
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English (en)
Chinese (zh)
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CN101394162A (zh
Inventor
伊藤光文
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Yamaha Corp
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Yamaha Corp
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0685—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being rational
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/662—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN2008102155730A 2007-09-18 2008-09-16 频率判别电路及采样频率变换装置 Expired - Fee Related CN101394162B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007241312A JP4420092B2 (ja) 2007-09-18 2007-09-18 周波数判別回路およびサンプリング周波数変換装置
JP2007241312 2007-09-18
JP2007-241312 2007-09-18

Publications (2)

Publication Number Publication Date
CN101394162A CN101394162A (zh) 2009-03-25
CN101394162B true CN101394162B (zh) 2012-05-30

Family

ID=40494281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008102155730A Expired - Fee Related CN101394162B (zh) 2007-09-18 2008-09-16 频率判别电路及采样频率变换装置

Country Status (3)

Country Link
JP (1) JP4420092B2 (ko)
KR (1) KR100981070B1 (ko)
CN (1) CN101394162B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012156676A (ja) * 2011-01-25 2012-08-16 Hitachi Ltd 周波数判定回路および半導体装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2600236B2 (ja) * 1987-12-29 1997-04-16 ソニー株式会社 サンプリング周波数変換回路
KR0136452B1 (ko) * 1988-02-19 1998-10-01 미다 가쓰시게 주파수 판별방법
JPH1117751A (ja) 1997-06-27 1999-01-22 Nec Ic Microcomput Syst Ltd 周波数判定回路
KR20000043087A (ko) * 1998-12-28 2000-07-15 윤종용 주파수 판별방법 및 장치

Also Published As

Publication number Publication date
KR100981070B1 (ko) 2010-09-08
JP4420092B2 (ja) 2010-02-24
JP2009076965A (ja) 2009-04-09
CN101394162A (zh) 2009-03-25
KR20090029648A (ko) 2009-03-23

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Granted publication date: 20120530

Termination date: 20150916

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