CA1164350A - Compander system - Google Patents
Compander systemInfo
- Publication number
- CA1164350A CA1164350A CA000390368A CA390368A CA1164350A CA 1164350 A CA1164350 A CA 1164350A CA 000390368 A CA000390368 A CA 000390368A CA 390368 A CA390368 A CA 390368A CA 1164350 A CA1164350 A CA 1164350A
- Authority
- CA
- Canada
- Prior art keywords
- transistor
- signal
- current
- log
- input
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 6
- 230000003071 parasitic effect Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000006880 cross-coupling reaction Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 101100114416 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) con-10 gene Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24783081A | 1981-03-26 | 1981-03-26 | |
| US247,830 | 1994-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1164350A true CA1164350A (en) | 1984-03-27 |
Family
ID=22936557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000390368A Expired CA1164350A (en) | 1981-03-26 | 1981-11-18 | Compander system |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS57162813A (enrdf_load_stackoverflow) |
| AU (1) | AU8068882A (enrdf_load_stackoverflow) |
| CA (1) | CA1164350A (enrdf_load_stackoverflow) |
| DE (1) | DE3210662A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2095954A (enrdf_load_stackoverflow) |
| NL (1) | NL8200892A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62105460A (ja) * | 1985-11-01 | 1987-05-15 | Rohm Co Ltd | 集積回路 |
| JP3293240B2 (ja) * | 1993-05-18 | 2002-06-17 | ヤマハ株式会社 | ディジタル信号処理装置 |
-
1981
- 1981-05-12 JP JP56071265A patent/JPS57162813A/ja active Granted
- 1981-11-18 CA CA000390368A patent/CA1164350A/en not_active Expired
- 1981-11-18 GB GB8134666A patent/GB2095954A/en not_active Withdrawn
-
1982
- 1982-02-22 AU AU80688/82A patent/AU8068882A/en not_active Abandoned
- 1982-03-04 NL NL8200892A patent/NL8200892A/nl not_active Application Discontinuation
- 1982-03-23 DE DE19823210662 patent/DE3210662A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU8068882A (en) | 1982-09-30 |
| GB2095954A (en) | 1982-10-06 |
| JPS6248927B2 (enrdf_load_stackoverflow) | 1987-10-16 |
| JPS57162813A (en) | 1982-10-06 |
| NL8200892A (nl) | 1982-10-18 |
| DE3210662A1 (de) | 1982-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |