# High End Audio with Remco Stoutjesdijk

- Show: [The Amp Hour](https://hardwarepodcasts.com/podcast/the-amp-hour)
- Published: 2021-10-04
- Length: 1h 07m
- Episode: 560
- Page: https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk
- Listen: https://theamphour.com/the-amp-hour-560-high-end-audio-with-remco-stoutjesdijk/

## Summary

Remco Stoutjesdijk, founder of ItsOnlyAudio.com, discusses his journey from building vacuum tube amplifiers to designing audio DSP chains for companies like Wolfson Microelectronics and ASK Industries. He details the technical challenges of implementing active noise cancellation in automotive audio systems, including the use of accelerometers, transfer function estimation, and stability issues in control loops. The conversation covers the transition from analog to digital audio, the economics of high-end car audio brands like Bang & Olufsen and Burmester, and the shift toward software-defined audio platforms using Cortex-M4 and DSP chips.

## Chapters

- [0:00](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=0) Introduction: Remco Stoutjesdijk and ItsOnlyAudio.com
- [3:36](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=216) From Vacuum Tubes to Silicon: Wolfson Microelectronics and iPhone Chip
- [9:35](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=575) Applications Engineering and LED Drivers at Rome Semiconductor
- [11:12](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=672) High-End Car Audio: Bang & Olufsen, Burmester, and Brand Premiums
- [14:16](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=856) Automotive Audio Reliability and Multi-Zone DSP
- [20:09](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=1209) Active Noise Cancellation: Engine, Wind, and Tire Noise
- [27:49](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=1669) ANC Algorithm Mechanics: Transfer Functions and Stability
- [36:47](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=2207) Consulting Business: IP Libraries and Platform Development
- [47:35](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=2855) DSP Platforms: Analog Devices SHARC vs. Cortex-M4
- [54:25](https://hardwarepodcasts.com/podcast/the-amp-hour/2021-10-04-high-end-audio-with-remco-stoutjesdijk#t=3265) Custom Silicon, FPGA, and Network Audio Protocols like Dante

## Topics

- [Embedded firmware](https://hardwarepodcasts.com/topic/embedded-firmware)
- [Analog & power electronics](https://hardwarepodcasts.com/topic/analog-and-power-electronics)
- [Mechanical engineering](https://hardwarepodcasts.com/topic/mechanical-engineering)
- [Industrial & consumer product design](https://hardwarepodcasts.com/topic/industrial-design)
- [Starting a product company](https://hardwarepodcasts.com/topic/starting-a-company)
- [Chips, FPGAs & semiconductors](https://hardwarepodcasts.com/topic/chips-and-fpgas)

## Most relevant to

early-stage companies

## Mentioned

- ItsOnlyAudio.com (company)
- Wolfson Microelectronics (company)
- Bang & Olufsen (company)
- Burmester (company)
- Rome Semiconductor (company)
- ASK Industries (company)
- Analog Devices SHARC (chip)
- Cortex-M4 (chip)
- Dante (other)
- PTP (other)

## Related episodes from other shows

- [152. How To Make a Honda As Quiet As a Rolls Royce](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2023-12-12-152-how-to-make-a-honda-as-quiet-as-a-rolls-royce) (The Next Byte Podcast)
- [CES 2019 Special: Jesse Will, Rolling Stone (PT1)](https://hardwarepodcasts.com/podcast/ee-times-current/2019-01-12-ces-2019-special-jesse-will-rolling-stone-pt1) (EE Times Current)
- [177: Boba Fett Fell Down](https://hardwarepodcasts.com/podcast/embedded-fm/2016-11-22-177-boba-fett-fell-down) (Embedded.fm)
- [Crushing the AV Dream | Can You Hear Me Now?](https://hardwarepodcasts.com/podcast/ee-times-current/2020-02-21-crushing-the-av-dream-can-you-hear-me-now) (EE Times Current)
- [430: Broken Toys All Around Me](https://hardwarepodcasts.com/podcast/embedded-fm/2022-10-13-430-broken-toys-all-around-me) (Embedded.fm)

## Citing this page

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