WO1993013520A3 - Memory conservation data alignment method for solid state recording - Google Patents
Memory conservation data alignment method for solid state recording Download PDFInfo
- Publication number
- WO1993013520A3 WO1993013520A3 PCT/US1992/010941 US9210941W WO9313520A3 WO 1993013520 A3 WO1993013520 A3 WO 1993013520A3 US 9210941 W US9210941 W US 9210941W WO 9313520 A3 WO9313520 A3 WO 9313520A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- channel
- recording
- recorded
- solid state
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/16—Solid state audio
Landscapes
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
A recording system (20) and process minimizes the storage capacity for recording multi-channel data into the memory space normally allocated to a single channel for a predetermined time period without compressing the data. In order to enable the data to be correlated with either real or relative time, the data is recorded along with its channel number and stored sequentially in an electronic memory (48) in predetermined time increments. Additionally, the channel activity is monitored and stored. By recording the channel number with the data and identifying the periods of channel activity, the recording data can be correlated with the time during which it was recorded. The recorded apparatus in accordance with the present invention is particularly well suited for minimizing memory requirements for recording multi-channel sequential data, such as in certain voice communications, as well as simplex and half duplex communications even in situations where there is some overlap in channel activity without the use of data compression.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80992791A | 1991-12-17 | 1991-12-17 | |
US809,927 | 1991-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1993013520A2 WO1993013520A2 (en) | 1993-07-08 |
WO1993013520A3 true WO1993013520A3 (en) | 1993-09-16 |
Family
ID=25202518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1992/010941 WO1993013520A2 (en) | 1991-12-17 | 1992-12-16 | Memory conservation data alignment method for solid state recording |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO1993013520A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1141937B1 (en) * | 1998-12-22 | 2003-08-27 | Ericsson Inc. | Method and apparatus for decreasing storage requirements for a voice recording system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4660145A (en) * | 1984-02-03 | 1987-04-21 | Sundstrad Data Control, Inc. | System for compressing aircraft flight data utilizing a multilevel time format |
US4727495A (en) * | 1984-10-08 | 1988-02-23 | The General Electric Company, P.L.C. | Data communication system |
US4802038A (en) * | 1985-06-20 | 1989-01-31 | Sony Corporation | PCM audio signal recording and/or reproducing apparatus with program timer and series and parallel formats |
US4888654A (en) * | 1984-06-18 | 1989-12-19 | Odetics, Inc. | Method of writing and reading digital data interspersed with analog audio frequency data on magnetic recording tape |
-
1992
- 1992-12-16 WO PCT/US1992/010941 patent/WO1993013520A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4660145A (en) * | 1984-02-03 | 1987-04-21 | Sundstrad Data Control, Inc. | System for compressing aircraft flight data utilizing a multilevel time format |
US4888654A (en) * | 1984-06-18 | 1989-12-19 | Odetics, Inc. | Method of writing and reading digital data interspersed with analog audio frequency data on magnetic recording tape |
US4727495A (en) * | 1984-10-08 | 1988-02-23 | The General Electric Company, P.L.C. | Data communication system |
US4802038A (en) * | 1985-06-20 | 1989-01-31 | Sony Corporation | PCM audio signal recording and/or reproducing apparatus with program timer and series and parallel formats |
Non-Patent Citations (1)
Title |
---|
EDN MAGAZINE, 7 February 1991, pages 1 & 38, "Here Comes Analog Memory", by BILL ARNOLD. * |
Also Published As
Publication number | Publication date |
---|---|
WO1993013520A2 (en) | 1993-07-08 |
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