IT1181137B - Modular tiles - Google Patents

Modular tiles

Info

Publication number
IT1181137B
IT1181137B IT46874/84A IT4687484A IT1181137B IT 1181137 B IT1181137 B IT 1181137B IT 46874/84 A IT46874/84 A IT 46874/84A IT 4687484 A IT4687484 A IT 4687484A IT 1181137 B IT1181137 B IT 1181137B
Authority
IT
Italy
Prior art keywords
block
data
digitised
communication link
circuit
Prior art date
Application number
IT46874/84A
Other languages
Italian (it)
Other versions
IT8446874A0 (en
IT8446874A1 (en
Inventor
Franco Fabbri
Original Assignee
Monoforte Spa
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 Monoforte Spa filed Critical Monoforte Spa
Priority to IT46874/84A priority Critical patent/IT1181137B/en
Publication of IT8446874A0 publication Critical patent/IT8446874A0/en
Publication of IT8446874A1 publication Critical patent/IT8446874A1/en
Application granted granted Critical
Publication of IT1181137B publication Critical patent/IT1181137B/en

Links

Landscapes

  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

The data reduction apparatus is used in a system where speech signals, e.g. between telephones, are digitised in a circuit and later reconverted. Successive blocks of digitised data, e.g. 16m seconds thereof, are compared with each other in the frequency domain in a comparator. The conversion is effected in a circuit block. If one block is similar to its predecessor within pre-set limits, that block is not sent to the output, and instead a control signal is passed to the communication link to instruct a store to repeat the previous block at the other end of the communication link. Thus only critical data blocks are transmitted and the data rate is reduced.
IT46874/84A 1984-10-31 1984-10-31 Modular tiles IT1181137B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT46874/84A IT1181137B (en) 1984-10-31 1984-10-31 Modular tiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT46874/84A IT1181137B (en) 1984-10-31 1984-10-31 Modular tiles

Publications (3)

Publication Number Publication Date
IT8446874A0 IT8446874A0 (en) 1984-10-31
IT8446874A1 IT8446874A1 (en) 1986-05-01
IT1181137B true IT1181137B (en) 1987-09-23

Family

ID=11260048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT46874/84A IT1181137B (en) 1984-10-31 1984-10-31 Modular tiles

Country Status (1)

Country Link
IT (1) IT1181137B (en)

Also Published As

Publication number Publication date
IT8446874A0 (en) 1984-10-31
IT8446874A1 (en) 1986-05-01

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