4 ms·
Telecoil is, as I understand it, literally just audio transmitted at baseband over a magnetic loop system. The only slightly complicated thing about that is the
by makomk 9y ago
Telecoil is, as I understand it, literally just audio transmitted at baseband over a magnetic loop system. The only slightly complicated thing about that is the receive antenna, and that's literally 1970s technology too. Also, ultra-low-power audio processing hardware is practically an off-the-shelf item these days thanks to technology improvements.
- dfox 9y agoWhat IC manufacturers sell as ultra-low-power audio ICs typically consumes order of magnitude more power than you would like for industrial IoT applications with large Li-something batteries, not to mention power envelope of hearing aid, which I would estimate as additional order of magnitude smaller.
- Izmaki 9y agoYou will find a lot of cheaper alternatives that use off-the-shelves components but none of them work as great as ICs specially designed by the company themselves. Source: I work in the industry.