JPS588777B2 - デルタ変調装置 - Google Patents
デルタ変調装置Info
- Publication number
- JPS588777B2 JPS588777B2 JP52062904A JP6290477A JPS588777B2 JP S588777 B2 JPS588777 B2 JP S588777B2 JP 52062904 A JP52062904 A JP 52062904A JP 6290477 A JP6290477 A JP 6290477A JP S588777 B2 JPS588777 B2 JP S588777B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- digital
- register
- circuit
- 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
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000007792 addition Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000723353 Chrysanthemum Species 0.000 description 1
- 235000005633 Chrysanthemum balsamita Nutrition 0.000 description 1
- 101000777220 Homo sapiens Ubiquitin carboxyl-terminal hydrolase 3 Proteins 0.000 description 1
- 102100031287 Ubiquitin carboxyl-terminal hydrolase 3 Human genes 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
- H04B14/064—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM] with adaptive feedback
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/701,265 US4059800A (en) | 1976-06-30 | 1976-06-30 | Digital multi-line companded delta modulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS533159A JPS533159A (en) | 1978-01-12 |
| JPS588777B2 true JPS588777B2 (ja) | 1983-02-17 |
Family
ID=24816658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52062904A Expired JPS588777B2 (ja) | 1976-06-30 | 1977-05-31 | デルタ変調装置 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4059800A (en:Method) |
| JP (1) | JPS588777B2 (en:Method) |
| CA (1) | CA1102002A (en:Method) |
| DE (1) | DE2724347C2 (en:Method) |
| ES (1) | ES460158A1 (en:Method) |
| FR (1) | FR2357111A1 (en:Method) |
| GB (1) | GB1558720A (en:Method) |
| IT (1) | IT1115495B (en:Method) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208740A (en) * | 1978-12-20 | 1980-06-17 | International Business Machines Corporation | Adaptive delta modulation system |
| US4384278A (en) * | 1981-07-22 | 1983-05-17 | Bell Telephone Laboratories, Incorporated | One-bit codec with slope overload correction |
| GB2128825A (en) * | 1982-10-20 | 1984-05-02 | Dbx | Analog to digital and digital to analog converter |
| US4700362A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
| US4581746A (en) * | 1983-12-27 | 1986-04-08 | At&T Bell Laboratories | Technique for insertion of digital data bursts into an adaptively encoded information bit stream |
| US4651131A (en) * | 1984-12-15 | 1987-03-17 | The General Electric Company Plc | Apparatus for converting an analogue input signal of narrow bandwidth to digital form |
| JPS6439122A (en) * | 1987-08-05 | 1989-02-09 | Toshiba Corp | Digital data demodulating circuit |
| US4977403A (en) * | 1988-07-29 | 1990-12-11 | Hughes Aircraft Company | Digital correction circuit for data converters |
| US5034746A (en) * | 1988-09-21 | 1991-07-23 | International Business Machines Corporation | Analog-to-digital converter for computer disk file servo position error signal |
| JP2775857B2 (ja) * | 1989-06-20 | 1998-07-16 | ソニー株式会社 | デジタル信号の帯域圧縮回路 |
| US7082106B2 (en) | 1993-01-08 | 2006-07-25 | Multi-Tech Systems, Inc. | Computer-based multi-media communications system and method |
| US7130337B2 (en) | 2001-07-02 | 2006-10-31 | Phonex Broadband Corporation | Method and system for sample and recreation synchronization for digital transmission of analog modem signal |
| WO2015006380A1 (en) | 2013-07-08 | 2015-01-15 | Hughes Network Systems, Llc | System and method for iterative compensation for linear and nonlinear interference in system employing ftn symbol transmission rates |
| EP3055962B1 (en) * | 2013-10-08 | 2018-12-05 | Hughes Network Systems, LLC | System and method for pre-distortion and iterative compensation for nonlinear distortion in system employing ftn symbol transmission rates |
| US9246717B2 (en) | 2014-06-30 | 2016-01-26 | Hughes Network Systems, Llc | Optimized receivers for faster than nyquist (FTN) transmission rates in high spectral efficiency satellite systems |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2098466A5 (en:Method) * | 1969-10-16 | 1972-03-10 | Ibm France | |
| BE793564A (fr) * | 1971-12-30 | 1973-04-16 | Western Electric Co | Convertisseur analogique-numerique |
| US3895377A (en) * | 1972-07-05 | 1975-07-15 | Westinghouse Electric Corp | Voltage-to-pulse conversion apparatus and method |
| US3956746A (en) * | 1975-01-07 | 1976-05-11 | Westinghouse Electric Corporation | Successively ranged A/D converter with error correction |
-
1976
- 1976-06-30 US US05/701,265 patent/US4059800A/en not_active Expired - Lifetime
-
1977
- 1977-05-04 GB GB18745/77A patent/GB1558720A/en not_active Expired
- 1977-05-23 FR FR7716240A patent/FR2357111A1/fr active Granted
- 1977-05-28 DE DE2724347A patent/DE2724347C2/de not_active Expired
- 1977-05-31 JP JP52062904A patent/JPS588777B2/ja not_active Expired
- 1977-06-13 CA CA280,454A patent/CA1102002A/en not_active Expired
- 1977-06-21 IT IT24883/77A patent/IT1115495B/it active
- 1977-06-28 ES ES460158A patent/ES460158A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2724347A1 (de) | 1978-01-05 |
| CA1102002A (en) | 1981-05-26 |
| DE2724347C2 (de) | 1984-11-22 |
| US4059800A (en) | 1977-11-22 |
| GB1558720A (en) | 1980-01-09 |
| IT1115495B (it) | 1986-02-03 |
| JPS533159A (en) | 1978-01-12 |
| FR2357111A1 (fr) | 1978-01-27 |
| ES460158A1 (es) | 1978-05-16 |
| FR2357111B1 (en:Method) | 1982-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU689500B2 (en) | Apparatus for and method of speech digitizing | |
| JPS588777B2 (ja) | デルタ変調装置 | |
| US4509037A (en) | Enhanced delta modulation encoder | |
| US6255974B1 (en) | Programmable dynamic range sigma delta A/D converter | |
| WO1992010037A1 (en) | Digital data converter | |
| US4006475A (en) | Digital-to-analog converter with digitally distributed amplitude supplement | |
| US5457714A (en) | Software controlled adaptive delta modulator | |
| US4411001A (en) | Differential pulse code modulation transmission system | |
| JP2687842B2 (ja) | 信号変換システムおよびデシメーションフィルタ | |
| Candy et al. | A per-channel A/D converter having 15-segment µ-255 companding | |
| US4818996A (en) | Digital-to-analog converting circuit | |
| KR930009436B1 (ko) | 파형부호화/복호화 장치 및 방법 | |
| US3908181A (en) | Predictive conversion between self-correlated analog signal and corresponding digital signal according to digital companded delta modulation | |
| US5790062A (en) | Delta modulator with pseudo constant modulation level | |
| US3550004A (en) | Feedback coders using weighted code companding on strings of equal bits | |
| EP0404775A1 (en) | Method and apparatus for high resolution analog-digital-analog transformations | |
| EP0079658B1 (en) | Differential pulse code modulation transmission system | |
| KR900001591B1 (ko) | 음정복원장치 | |
| US4630007A (en) | Delta modulated signal sampling rate converter using digital means | |
| US3949298A (en) | Time shared delta modulation system | |
| JPS60109937A (ja) | デルタ変調通信システム | |
| US4204163A (en) | Minimum group pulse code modem having shape and amplitude codes | |
| JPH08102670A (ja) | オーバーサンプリングｄａ変換器 | |
| RU2053566C1 (ru) | Адаптивный дельта-кодек | |
| JPH04312022A (ja) | デジタル信号のデータ流中の直流電圧成分低減のためのコード化方法 |