ES2143396A1 - Monolithic codec-encrypter low rate integrated circuit for voice signals - Google Patents
Monolithic codec-encrypter low rate integrated circuit for voice signalsInfo
- Publication number
- ES2143396A1 ES2143396A1 ES009800213A ES9800213A ES2143396A1 ES 2143396 A1 ES2143396 A1 ES 2143396A1 ES 009800213 A ES009800213 A ES 009800213A ES 9800213 A ES9800213 A ES 9800213A ES 2143396 A1 ES2143396 A1 ES 2143396A1
- Authority
- ES
- Spain
- Prior art keywords
- module
- encrypter
- codec
- monolithic
- integrated 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.)
- Granted
Links
Abstract
Monolithic codec-encrypter low rate integrated circuit for voice signals which incorporates a vocoder and an encrypter-decoder, consisting of the following functional modules: Preemphasis module a, window module b, autocorrelation module c, module to calculate the linear prediction factors of the filter d, pitch detector and voice/no voice decision module e, quantifier module f, encrypter module g, decoder module h, frame decoder module i, scaling module j, residual generator module k, gain module l, all-pole filter module m, deemphasis module n, transmission module o and reception module p.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9800213A ES2143396B1 (en) | 1998-02-04 | 1998-02-04 | LOW RATE MONOLITHIC CODEC-ENCRYPTOR MONOLITHIC CIRCUIT FOR VOICE SIGNALS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9800213A ES2143396B1 (en) | 1998-02-04 | 1998-02-04 | LOW RATE MONOLITHIC CODEC-ENCRYPTOR MONOLITHIC CIRCUIT FOR VOICE SIGNALS. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2143396A1 true ES2143396A1 (en) | 2000-05-01 |
ES2143396B1 ES2143396B1 (en) | 2000-12-16 |
Family
ID=8302634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9800213A Expired - Fee Related ES2143396B1 (en) | 1998-02-04 | 1998-02-04 | LOW RATE MONOLITHIC CODEC-ENCRYPTOR MONOLITHIC CIRCUIT FOR VOICE SIGNALS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2143396B1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003917A1 (en) * | 1982-04-29 | 1983-11-10 | Massachusetts Institute Of Technology | Voice encoder and synthesizer |
WO1986002726A1 (en) * | 1984-11-01 | 1986-05-09 | M/A-Com Government Systems, Inc. | Relp vocoder implemented in digital signal processors |
EP0712213A2 (en) * | 1994-11-01 | 1996-05-15 | Motorola, Inc. | An integrated circuit that performs multiple communication tasks |
-
1998
- 1998-02-04 ES ES9800213A patent/ES2143396B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003917A1 (en) * | 1982-04-29 | 1983-11-10 | Massachusetts Institute Of Technology | Voice encoder and synthesizer |
WO1986002726A1 (en) * | 1984-11-01 | 1986-05-09 | M/A-Com Government Systems, Inc. | Relp vocoder implemented in digital signal processors |
EP0712213A2 (en) * | 1994-11-01 | 1996-05-15 | Motorola, Inc. | An integrated circuit that performs multiple communication tasks |
Also Published As
Publication number | Publication date |
---|---|
ES2143396B1 (en) | 2000-12-16 |
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Legal Events
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EC2A | Search report published |
Date of ref document: 20000501 Kind code of ref document: A1 Effective date: 20000501 |
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FD2A | Announcement of lapse in spain |
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