# Applied Data Systems Ltd

Manufacturer in Chennai, Tamil Nadu. Last updated 2026-10-11; site last checked 2026-10-11. Gathered from the business's own website. **Not verified by the business.**

Chennai company that develops custom voice IC, melody IC and timer IC modules in chip-on-board (COB) form to customer needs. It also makes finished religious, health and home products.

## How to reach this business

- Best route for an agent: email — ads@adsvoice.com
- Other routes: phone 91-44-2254 2950; phone 91-44-2254 2951
- Include in your first message: Application and required voice/melody/timer function; Quantity
- Typical way to start: contact only
- Some numbers on their site belong to individuals and are not shown here.

_A way to send an enquiry through this directory is planned. Until then, use the routes above._

## At a glance

| | |
| --- | --- |
| Website | https://adsvoice.com |
| Legal name | APPLIED DATA SYSTEMS LTD |
| Languages | en |
| Office | Type - II, Unit 7, Hertz Avenue, Dr.V.S.I. Estate, Thiruvanmiyur, Chennai - 600 041. INDIA. |

## What they offer

### Custom Voice IC / Melody IC / Timer IC in COB form (custom production)

In-house development of voice, melody and timer ICs in chip-on-board form to customer requirements.

COB is made by placing a bare chip on a PCB with epoxy and wire-bonding the pads to PCB tracks with aluminium wire.

**Applications**
- Doorbells
- Car reverse horns
- Religious chanting boxes
- Greeting card modules
- Phone banking

## More about this business

**Products**
- Voice IC, melody IC and LCD timer IC in COB form
- Chanting/Sloka/Mantra boxes, car reverse horns, OTP door bells, Safar Dhuva, musical greeting card modules
- Finished products: religious, health and home products

**Capabilities**
- Voice editing software, MIDI generator and emulators to test the complete programme
- Applications range from a simple doorbell to high-end automatic phone banking

## Sources

- https://adsvoice.com/contactus.html (fetched 2026-10-11)
- https://adsvoice.com/ (fetched 2026-10-11)
- https://adsvoice.com/products.html (fetched 2026-10-11)