FR2382807A1 - Circuit et procede de mesure numerique des niveaux de signaux codes mic - Google Patents

Circuit et procede de mesure numerique des niveaux de signaux codes mic

Info

Publication number
FR2382807A1
FR2382807A1 FR7805991A FR7805991A FR2382807A1 FR 2382807 A1 FR2382807 A1 FR 2382807A1 FR 7805991 A FR7805991 A FR 7805991A FR 7805991 A FR7805991 A FR 7805991A FR 2382807 A1 FR2382807 A1 FR 2382807A1
Authority
FR
France
Prior art keywords
circuit
pcm
levels
mic
digital measurement
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.)
Granted
Application number
FR7805991A
Other languages
English (en)
French (fr)
Other versions
FR2382807B3 (OSRAM
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of FR2382807A1 publication Critical patent/FR2382807A1/fr
Application granted granted Critical
Publication of FR2382807B3 publication Critical patent/FR2382807B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR7805991A 1977-03-03 1978-03-02 Circuit et procede de mesure numerique des niveaux de signaux codes mic Granted FR2382807A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA273,147A CA1068408A (en) 1977-03-03 1977-03-03 Circuit and method for digitally measuring signal levels, of pcm encoded signals

Publications (2)

Publication Number Publication Date
FR2382807A1 true FR2382807A1 (fr) 1978-09-29
FR2382807B3 FR2382807B3 (OSRAM) 1980-12-05

Family

ID=4108070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805991A Granted FR2382807A1 (fr) 1977-03-03 1978-03-02 Circuit et procede de mesure numerique des niveaux de signaux codes mic

Country Status (7)

Country Link
JP (1) JPS6052379B2 (OSRAM)
CA (1) CA1068408A (OSRAM)
DE (1) DE2808849A1 (OSRAM)
FR (1) FR2382807A1 (OSRAM)
GB (1) GB1572582A (OSRAM)
NL (1) NL190462C (OSRAM)
SE (1) SE435666B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593924A1 (fr) * 1986-01-24 1987-08-07 Cit Alcatel Procede et dispositif de mesure de la puissance efficace apres filtrage passe-haut d'un signal echantillonne

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU644301B2 (en) * 1991-06-07 1993-12-02 Telstra Corporation Limited PCM monitor
EP0542976A4 (en) * 1991-06-07 1993-08-11 Australian And Overseas Telecommunications Corporation Limited Pcm monitor
US6693967B1 (en) * 2000-03-16 2004-02-17 Agere Systems Inc. Detecting encoding and encoding conversion for modem connections

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057972A (en) * 1959-12-23 1962-10-09 Bell Telephone Labor Inc Testing the performance of pcm receivers
CH495094A (de) * 1968-08-12 1970-08-15 Standard Telephon & Radio Ag Verfahren zur Überwachung der Arbeitsweise von Coder- und Decoderschaltungen in einer PCM-Zeitmultiplex-Anlage
CH545560A (OSRAM) * 1971-05-06 1974-01-31
JPS5236406B2 (OSRAM) * 1972-01-17 1977-09-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593924A1 (fr) * 1986-01-24 1987-08-07 Cit Alcatel Procede et dispositif de mesure de la puissance efficace apres filtrage passe-haut d'un signal echantillonne

Also Published As

Publication number Publication date
DE2808849C2 (OSRAM) 1988-03-31
NL190462B (nl) 1993-10-01
FR2382807B3 (OSRAM) 1980-12-05
JPS53109677A (en) 1978-09-25
NL190462C (nl) 1994-03-01
NL7801094A (nl) 1978-09-05
SE7802261L (sv) 1978-09-04
DE2808849A1 (de) 1978-09-07
SE435666B (sv) 1984-10-08
CA1068408A (en) 1979-12-18
JPS6052379B2 (ja) 1985-11-19
GB1572582A (en) 1980-07-30

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