IT1191310B - Skin-cosmetic collagenous compsn. - Google Patents

Skin-cosmetic collagenous compsn.

Info

Publication number
IT1191310B
IT1191310B IT03384/85A IT338485A IT1191310B IT 1191310 B IT1191310 B IT 1191310B IT 03384/85 A IT03384/85 A IT 03384/85A IT 338485 A IT338485 A IT 338485A IT 1191310 B IT1191310 B IT 1191310B
Authority
IT
Italy
Prior art keywords
signal
units
sample
relevant
sign
Prior art date
Application number
IT03384/85A
Other languages
Italian (it)
Other versions
IT8503384A0 (en
Inventor
Vittorio Betti
Original Assignee
Vittorio Betti
Giulianini Giuseppina
Spighi Massimo Romano
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 Vittorio Betti, Giulianini Giuseppina, Spighi Massimo Romano filed Critical Vittorio Betti
Priority to IT03384/85A priority Critical patent/IT1191310B/en
Publication of IT8503384A0 publication Critical patent/IT8503384A0/en
Application granted granted Critical
Publication of IT1191310B publication Critical patent/IT1191310B/en

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Abstract

An audio signal processor treats a digitally encoded signal. Units (3, 12) sample the encoded signal and units (8, 13) calculate from the sampled values a correlation function relevant to a particular time frame. The function value serves to control an adaptive echo cancellation algorithm. The sampled signal portions are truncated (2, 5) so that only the arithmetic sign bit of each signal portion contributes to the function calculation. An incoming signal sample is initially treated in an extraction block arranged to determine the arithmetic sign relevant to that signal, the resulting sign bits being fed in sequence to a shift register arranged to store a predetermined number of sign bits. Outputs are provided from selected locations in the register in accordance with a control logic select circuit.
IT03384/85A 1985-03-28 1985-03-28 Skin-cosmetic collagenous compsn. IT1191310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT03384/85A IT1191310B (en) 1985-03-28 1985-03-28 Skin-cosmetic collagenous compsn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT03384/85A IT1191310B (en) 1985-03-28 1985-03-28 Skin-cosmetic collagenous compsn.

Publications (2)

Publication Number Publication Date
IT8503384A0 IT8503384A0 (en) 1985-03-28
IT1191310B true IT1191310B (en) 1988-03-16

Family

ID=11106108

Family Applications (1)

Application Number Title Priority Date Filing Date
IT03384/85A IT1191310B (en) 1985-03-28 1985-03-28 Skin-cosmetic collagenous compsn.

Country Status (1)

Country Link
IT (1) IT1191310B (en)

Also Published As

Publication number Publication date
IT8503384A0 (en) 1985-03-28

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