Abstract
Cochlear implant devices are designed to provide sound sensation and improved speech understanding to people who are profoundly hearing impaired. Best speech recognition could be achieved by using multi-channel, multi-electrode cochlear implant devices. In a multichannel cochlear prosthesis, channel interaction and tissue damage are important issues to be solved. Speech processing and modulation strategies are the steps in solving these problems. Bi-phasic pulse streams are used as a modulator signal in Continuous Interleaved Sampling (CIS) base cochlear implant devices which is the best processing strategy. In this paper, we present a high-performance, low-power, low-voltage, digitally programmable bi-phasic pulse generator for cochlear implant speech processing systems operates at a single 1.5 V, and consumes only 15 μ Watt dynamic power. Pulse width and inter-channel separation time periods of 4 channels can be digitally programed with 15 programing choices.
| Original language | English |
|---|---|
| Pages (from-to) | 207-210 |
| Number of pages | 4 |
| Journal | Proceedings - IEEE International Symposium on Circuits and Systems |
| Volume | 3 |
| State | Published - 1998 |
| Externally published | Yes |
| Event | Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6) - Monterey, CA, USA Duration: 31 05 1998 → 03 06 1998 |