GB2175406B - Method and apparatus for testing digital audio systems - Google Patents

Method and apparatus for testing digital audio systems

Info

Publication number
GB2175406B
GB2175406B GB8610819A GB8610819A GB2175406B GB 2175406 B GB2175406 B GB 2175406B GB 8610819 A GB8610819 A GB 8610819A GB 8610819 A GB8610819 A GB 8610819A GB 2175406 B GB2175406 B GB 2175406B
Authority
GB
United Kingdom
Prior art keywords
digital audio
audio systems
testing digital
testing
systems
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8610819A
Other versions
GB2175406A (en
GB8610819D0 (en
Inventor
Neil Henry Charles Gilchrist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of GB8610819D0 publication Critical patent/GB8610819D0/en
Publication of GB2175406A publication Critical patent/GB2175406A/en
Application granted granted Critical
Publication of GB2175406B publication Critical patent/GB2175406B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
    • G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1071—Measuring or testing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
GB8610819A 1985-05-15 1986-05-02 Method and apparatus for testing digital audio systems Expired GB2175406B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858512348A GB8512348D0 (en) 1985-05-15 1985-05-15 Testing digital audio systems

Publications (3)

Publication Number Publication Date
GB8610819D0 GB8610819D0 (en) 1986-06-11
GB2175406A GB2175406A (en) 1986-11-26
GB2175406B true GB2175406B (en) 1989-04-26

Family

ID=10579197

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858512348A Pending GB8512348D0 (en) 1985-05-15 1985-05-15 Testing digital audio systems
GB8610819A Expired GB2175406B (en) 1985-05-15 1986-05-02 Method and apparatus for testing digital audio systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858512348A Pending GB8512348D0 (en) 1985-05-15 1985-05-15 Testing digital audio systems

Country Status (1)

Country Link
GB (2) GB8512348D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278784B1 (en) * 1998-12-20 2001-08-21 Peter Gerard Ledermann Intermittent errors in digital disc players
DE102008040027A1 (en) * 2008-06-30 2009-12-31 Robert Bosch Gmbh Electronic circuit, in particular for audio input AC diagnosis

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1350850A (en) * 1972-09-14 1974-04-24 Standard Telephones Cables Ltd Measuring noise in pcm systems
GB1529471A (en) * 1976-10-05 1978-10-18 British Broadcasting Corp Measurement of nonlinear distortion in signal transmission circuits

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1350850A (en) * 1972-09-14 1974-04-24 Standard Telephones Cables Ltd Measuring noise in pcm systems
GB1529471A (en) * 1976-10-05 1978-10-18 British Broadcasting Corp Measurement of nonlinear distortion in signal transmission circuits

Also Published As

Publication number Publication date
GB2175406A (en) 1986-11-26
GB8512348D0 (en) 1985-06-19
GB8610819D0 (en) 1986-06-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950502