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
Links
- 239000002537 cosmetic Substances 0.000 title 1
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 abstract 1
- 238000005314 correlation function Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
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.
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) |
-
1985
- 1985-03-28 IT IT03384/85A patent/IT1191310B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8503384A0 (en) | 1985-03-28 |
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