Dafydd Roche

Dafydd
Roche

Dafydd Roche is an audio converter systems engineer at Texas Instruments. A graduate of the University of York (U.K.), he pours his passion and knowledge of audio and music into his work, enabling audio design engineers to make products customers can’t wait to use. Aside from his engineering duties, Dafydd is also a musician himself and makes and records music with fellow musicians in the Dallas area.

Articles
Soundbar Design From Start To Finish: Software’s Role
The software in an audio system, such as a soundbar or PC speaker, can be split into a few different sections: control and user interface, housekeeping , and audio signal chain processing.
Soundbar Design From Start To Finish: Layout
Design reuse is a big part of modern product design, including home audio systems. Reducing systems to sections that can be copied and pasted over and over again is key to getting to market quickly.
Soundbar Design From Start To Finish: Power Amplifiers, Power Supplies, And ESD Protection
In Part 5 of this series on designing home entertainment sound bars, TI's Dafydd Roche covers amplifier class, analog/digital input decisions,and power-supply issues.
Soundbar Design From Start To Finish: Clocks, Clocks, Clocks
TI's Dafydd Roche completes his 4-part series on sound-bar design with a detailed explanation of clock design for the digital portion of the circuit.
Soundbar Design From Start To Finish: Choosing And Controlling An Audio Processing Scheme
Dafydd Roche's third column on soundbar design covers audio processing and system control
Soundbar Design From Start To Finish: From Specification To Selection
Second part of Soundbar Design from Start to Finish; This one covers parts selection; first was about developing specs.
Soundbar Design From Start To Finish: Setting Design Specifications
First in a series of tutorials about designing state-of-the-art soundbar speakers by Contributing Technical Expert Dafydd Roche of Texas Instruments.
Commentaries and Blogs
Guest Blogs
Nov 11, 2014
blog

How to Outsource Your Project to Failure 3

This article will address failure to carefully vet a potential manufacturing or “turnkey” partner and/or failure to transfer sufficient information and requirements to such a partner, a very common problem I have seen again and again with my clients over the years, and have been the shoulder cried upon by several relatives and clients in the past....More
Nov 11, 2014
blog

Transition from the Academe to the Industry Unraveled 1

There have been many arguments here and there about how short-comings of universities and colleges yield engineers with skill sets that do not cater to the demands of the industry. There have been many arguments here and there about an imminent shortage of engineers lacking knowledge in the sciences. There have been many arguments here and there about how the experience and know-how of engineers in the industry may vanish due to the fact that they can’t be passed on because the academic curriculum deviates from it....More
Nov 11, 2014
blog

Small Beginnings 5

About 10 years ago I received a phone call from an acquaintance. He had found a new opportunity selling some sort of investments and he wanted to share it with me in case I was interested. Ken had done fairly well for many years as a contract software developer primarily in the financial services sector. His specialty was writing RPG code. (RPG is often referred to as a write only language.) But he was seeing the handwriting on the wall as the industry moved on to other methods, and saw himself becoming a fossil....More

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