NL293818A - - Google Patents
Info
- Publication number
- NL293818A NL293818A NL293818DA NL293818A NL 293818 A NL293818 A NL 293818A NL 293818D A NL293818D A NL 293818DA NL 293818 A NL293818 A NL 293818A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22179/62A GB1044003A (en) | 1962-06-07 | 1962-06-07 | Improvements relating to sound recording and transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
NL293818A true NL293818A (fr) |
Family
ID=10175234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL293818D NL293818A (fr) | 1962-06-07 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3350512A (fr) |
DE (1) | DE1437389A1 (fr) |
GB (1) | GB1044003A (fr) |
NL (1) | NL293818A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3631365A (en) * | 1968-11-01 | 1971-12-28 | Dolby Laboratories Inc | Signal compressors and expanders |
USRE28426E (en) * | 1968-11-01 | 1975-05-20 | Signal compressors and expanders | |
US3732371A (en) * | 1971-05-10 | 1973-05-08 | Richard S Burwen | Wide dynamic range noise masking compandor |
BE793740A (fr) * | 1972-01-08 | 1973-05-02 | Akai Electric | Systeme d'enregistrement magnetique |
US4200889A (en) * | 1976-12-27 | 1980-04-29 | Basf Aktiengesellschaft | Complementary pre-emphasis and de-emphasis circuits for a video signal transfer channel |
JPS56106433A (en) * | 1980-01-28 | 1981-08-24 | Sony Corp | Noise reducing circuit |
US4500798A (en) * | 1982-09-27 | 1985-02-19 | Rca Corporation | Diode simulator circuit |
US4465981A (en) * | 1982-09-27 | 1984-08-14 | Rca Corporation | Adaptive control signal filter for audio signal expander |
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 |
WO2006102313A2 (fr) * | 2005-03-18 | 2006-09-28 | The Trustees Of Columbia University In The City Of New York | Systemes et procedes pour la compression-extension de combinaisons can-dsp-cna |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE562784A (fr) * | 1956-11-30 | |||
US2948860A (en) * | 1957-12-11 | 1960-08-09 | Charles J Affelder | Audio level governing device |
US3207854A (en) * | 1960-08-30 | 1965-09-21 | Minnesota Mining & Mfg | Noise reduction method for recorded signals |
-
0
- NL NL293818D patent/NL293818A/xx unknown
-
1962
- 1962-06-07 GB GB22179/62A patent/GB1044003A/en not_active Expired
-
1963
- 1963-06-04 US US285334A patent/US3350512A/en not_active Expired - Lifetime
- 1963-06-07 DE DE19631437389 patent/DE1437389A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1437389A1 (de) | 1968-10-24 |
US3350512A (en) | 1967-10-31 |
GB1044003A (en) | 1966-09-28 |