{"id":"df054daf-f6da-4fb8-bf39-6a62f9586bb6","slug":"applied-data-systems-ltd","name":"Applied Data Systems Ltd","legalName":"APPLIED DATA SYSTEMS LTD","otherNames":["ADS Voice"],"website":"https://adsvoice.com","roles":["manufacturer"],"description":"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.","notes":"**Products**\n- Voice IC, melody IC and LCD timer IC in COB form\n- Chanting/Sloka/Mantra boxes, car reverse horns, OTP door bells, Safar Dhuva, musical greeting card modules\n- Finished products: religious, health and home products\n\n**Capabilities**\n- Voice editing software, MIDI generator and emulators to test the complete programme\n- Applications range from a simple doorbell to high-end automatic phone banking","yearEstablished":null,"languages":["en"],"serviceArea":null,"engagement":{"type":"contact_only","how":null,"responseTime":null,"needs":["Application and required voice/melody/timer function","Quantity"]},"city":"Chennai","cities":["Chennai"],"state":"Tamil Nadu","locations":[{"kind":"office","address":"Type - II, Unit 7, Hertz Avenue, Dr.V.S.I. Estate, Thiruvanmiyur, Chennai - 600 041. INDIA."}],"identifiers":[],"credentials":[],"contacts":[{"channel":"email","value":"ads@adsvoice.com","purpose":"general","who":null,"hours":null,"digital":true},{"channel":"phone","value":"91-44-2254 2950","purpose":"general","who":null,"hours":null,"digital":false},{"channel":"phone","value":"91-44-2254 2951","purpose":"general","who":null,"hours":null,"digital":false}],"agentReachable":true,"hasPrivateContacts":true,"offerings":[{"id":"d06c2a8b-b50c-4be9-a62b-33bbfa543f39","kind":"custom_production","title":"Custom Voice IC / Melody IC / Timer IC in COB form","description":"In-house development of voice, melody and timer ICs in chip-on-board form to customer requirements.","notes":"COB is made by placing a bare chip on a PCB with epoxy and wire-bonding the pads to PCB tracks with aluminium wire.\n\n**Applications**\n- Doorbells\n- Car reverse horns\n- Religious chanting boxes\n- Greeting card modules\n- Phone banking","minOrder":null,"leadTime":null,"pricing":null}],"sources":[{"url":"https://adsvoice.com/contactus.html","fetchedAt":"2026-10-11"},{"url":"https://adsvoice.com/","fetchedAt":"2026-10-11"},{"url":"https://adsvoice.com/products.html","fetchedAt":"2026-10-11"}],"verifiedAt":null,"lastUpdated":"2026-10-11","lastVisited":"2026-10-11"}