ES8308123A1 - An apparatus and a method for processing an analog signal, together with a corresponding auditory prosthesis circuit - Google Patents
An apparatus and a method for processing an analog signal, together with a corresponding auditory prosthesis circuitInfo
- Publication number
- ES8308123A1 ES8308123A1 ES512189A ES512189A ES8308123A1 ES 8308123 A1 ES8308123 A1 ES 8308123A1 ES 512189 A ES512189 A ES 512189A ES 512189 A ES512189 A ES 512189A ES 8308123 A1 ES8308123 A1 ES 8308123A1
- Authority
- ES
- Spain
- Prior art keywords
- analog signal
- minimum
- maximum values
- occurrence
- sensory system
- 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
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
An apparatus and method are disclosed for encoding only the maximum and minimum values of an analog signal in the presence of broadband noise so that the original analog signal may be subjectively reproduced for the human sensory system. The basic apparatus includes a differentiator for detecting the times of occurrence of minimum and maximum values of the analog waveform including the minimum and maximum values of the noise superimposed thereon and for converting the times of occurrence of minimum and maximum values into time-axis zero crossings, and a clipping circuit having a bandwidth substantially greater than the bandwidth of the analog signal for encoding the time-axis zero crossings into transitions of a binary signal. The binary signal contains information solely concerning the times of occurrence of the minimum and maximum values of the original analog signal and may be presented directly to the human sensory system or after further signal processing. Because the human sensory system is more receptive to the occurrence of minimum and maximum values of a waveform, the sensory system will substantially reproduce the original analog signal from the encoded waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES512189A ES8308123A1 (en) | 1982-05-14 | 1982-05-14 | An apparatus and a method for processing an analog signal, together with a corresponding auditory prosthesis circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES512189A ES8308123A1 (en) | 1982-05-14 | 1982-05-14 | An apparatus and a method for processing an analog signal, together with a corresponding auditory prosthesis circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES512189A0 ES512189A0 (en) | 1983-07-01 |
| ES8308123A1 true ES8308123A1 (en) | 1983-07-01 |
Family
ID=8484139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES512189A Expired ES8308123A1 (en) | 1982-05-14 | 1982-05-14 | An apparatus and a method for processing an analog signal, together with a corresponding auditory prosthesis circuit |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES8308123A1 (en) |
-
1982
- 1982-05-14 ES ES512189A patent/ES8308123A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES512189A0 (en) | 1983-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |
Effective date: 19960506 |