THD Podcast

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 123 of the THD Podcast, Dave Thibodeau and Miguel Chavez from Analog Devices join us to discuss their SIgmaDSP product and the Sigma Studio tool for developers.

Analog Devices' SigmaDSP is a family of fully programmable, single-chip audio digital signal processors (DSPs) that are configured using the intuitive SigmaStudio graphical development tool. This combination allows engineers to design complex audio signal chains without the need for traditional assembly or C coding.

SigmaDSP processors are designed for real-time audio applications in products like automotive and portable audio systems. Key features include:

- Programmability: They are fully programmable and can be used for a wide range of audio processing tasks.

- Integrated Components: Many models integrate high-performance audio analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), allowing for a complete audio system on a single chip.

- Target Applications: They are well-suited for applications where cost and development time are critical, offering a balance of performance and ease of use.

SigmaStudio is a powerful, free integrated development environment (IDE) that simplifies the process of designing and tuning audio systems. Its primary features are:

- Graphical Interface: Users design audio signal flows by dragging and dropping algorithm blocks (e.g., filters, mixers, dynamics processors, delays) and wiring them together like a schematic.

- No Coding Required: The software automatically generates the optimized, production-ready DSP code, making it accessible to engineers with little to no DSP programming experience.

- Real-Time Tuning and Debugging: The tool links with evaluation boards and production designs via a USB connection, allowing for real-time control and tuning of parameters using graphical knobs and sliders. It also includes debugging tools such as frequency response visualization.

- Algorithm Library: SigmaStudio includes an extensive library of pre-built and third-party algorithms, which can be configured for specific needs.

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #dsp #digitalsignalprocessing

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Support the podcast on our Patreon page: www.patreon.com/THDPodcast

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@dlindberg11

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www.analog.com

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@ADI_News

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 122 of the THD Podcast, Alexander Goldin and Robert Schrager join to talk about their recently launched Vibrozio solution that focuses on listening through barriers such as walls, windows, etc. The solution has deep utility in automotive, medical, and several other key market segments. The podcast explains how the solution works and outlines some of the markets it can service.

Alango Technologies provides embedded Digital Signal Processing (DSP) software for enhancing voice and audio quality in a wide range of products, including mobile phones, Bluetooth headsets, smart speakers, conferencing systems, and automotive hands-free systems. Founded in 2002, the company offers technologies for acoustic echo cancellation, noise reduction, hearing enhancement, music enhancement, and more. Their licensable software is designed to be easily integrated, delivering high-quality audio experiences with low computational load and power consumption.

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #dsp #digitalsignalprocessing

Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!

Support the podcast on our Patreon page: www.patreon.com/THDPodcast

www.db-ent.com

linkedin.com/in/DavidJLindberg

@dlindberg11

discord.gg/HF6NF3fc

www.alango.com

linkedin.com/company/alango-technologies

@AlangoTech

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 121 of the THD Podcast, Daniel Fletcher and Guy Fletcher (latter from Dire Straits fame) join to introduce and explain their groundbreaking spatial audio technology. Birthed at the intersection of speaker development and recording engineering experience and technology, Airsound Ltd. aims to deliver Studio-proven sound. They offer the technology as an embedded solution to produce a new generation of audio products, delivering effortless spatial audio.

Airsound Spatial uses dipole sound steering to present any number of audio channels from a simplified electroacoustic architecture. Each speaker can contain as few as 3 physical audio channels to recreate height and width from any Spatial Audio sound source. It’s a game changer, reducing the cost of implementing spatial audio whilst delivering a better experience.

Airsound promises a new relationship between streamed content and consumers – a World of pure sound without installation complexity, compatibility difficulties, or compromised experience.

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #SpatialAudio #Spatial #Immersive #DolbyAtmos #Dolby

Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!

Support the podcast on our Patreon page: www.patreon.com/THDPodcast

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linkedin.com/in/DavidJLindberg

@dlindberg11

discord.gg/HF6NF3fc

www.airsound.com

linkedin.com/company/airsound-technology

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 120 of the THD Podcast, Steph Bailey joins to tell us about the convergence of technologies that is going on with Syntiant's recent acquisition of Knowles' MEMS microphone business. Steph discusses how their widely deployed deep learning models, high-performance neural processors, MEMS microphones, and vibration sensors can bring the value of Edge AI to any product.

Founded in 2017 and based in Irvine, California, Syntiant Corp. is a leader in delivering end-to-end deep learning solutions for always-on applications by combining purpose-built silicon with an edge-optimized data platform and training pipeline. Syntiant’s advanced chip solutions merge deep learning with semiconductor design to produce ultra-low-power, high-performance, deep neural network processors for edge AI applications across a wide range of consumer and industrial use cases, from earbuds to automobiles. The company is backed by several of the world’s leading strategic and financial investors including Intel Capital, Microsoft’s M12, Applied Ventures, Robert Bosch Venture Capital, the Amazon Alexa Fund and Atlantic Bridge Capital.

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #edgecomputing #MEMS #microphones

Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!

Support the podcast on our Patreon page: www.patreon.com/THDPodcast

www.db-ent.com

linkedin.com/in/DavidJLindberg

@dlindberg11

discord.gg/HF6NF3fc

www.syntiant.com

linkedin.com/company/syntiant-corp

@Syntiantcorp

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 119 of the THD Podcast, Simon Dinaburg and Jim Tuomy from Dinaburg Technology join to provide an update on the C2S™ driver technology and specifically, how it can be applied to headphone applications. Offering benefits to gaming, haptic, ANC and spatial audio in overear headphones in general.

Dinaburg’s C2S™ 60×72 Gen2 is a high-performance oval headphone driver engineered for precision sound reproduction. It features a unique elliptical 60×72 mm diaphragm optimized for sealed enclosures, delivering exceptionally low harmonic distortion (THD less than 0.5% at 1 mW, 1 kHz). The driver covers the full 20 Hz–20 kHz audio range with a sensitivity of approximately 91.5 dB SPL (1 mW at 1 kHz) at 18 Ω impedance, enabling strong output from minimal power. This makes the C2S™ 60×72 Gen2 ideal for closed-back headphone designs and other compact audio applications that demand low distortion and wide-bandwidth performance.

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #coaxial #speakers #loudspeakers

Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!

Support the podcast on our Patreon page: www.patreon.com/THDPodcast

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www.linkedin.com/in/DavidJLindberg

@dlindberg11

discord.gg/HF6NF3fc

www.dinaburgtech.com

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x.com/DinaburgTech

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 118 of the THD Podcast, Dani Cherkassky, CEO of Kardone, joins to give us an update. Kardome have added a new layer of technology to their offering with natural language understanding (NLU) models.

Kardome’s break through technology improves voice recognition accuracy in challenging soundscapes, transforming voice UI from a cloud-dependent experience to a secure, real-time, and customizable user experience driven by neural network technology that is deployable to any smart device. This NLU layer expands the reach of the technology from AI-driven spatial hearing, custom wake word creation, and voice ID/voice print. For automotive, conferencing, and consumer applications today with great potential in higher security VUI applications in the future

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio

@RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #vui #voice #ai

Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!

Support the podcast on our Patreon page: www.patreon.com/THDPodcast

www.db-ent.com

www.linkedin.com/in/DavidJLindberg

@dlindberg11

discord.gg/HF6NF3fc

www.kardome.com

linkedin.com/company/kardome

@KardomeVUI

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.In episode 117 of the THD Podcast, Markus Vaalgamaa and Laura Laaksonen join us from SoundlyFit. Soundlyfit provides digital design services for headphone companies to help improve earbud designs. These services include realistic comfort simulations, human ergonomics testing, and 3D ear database collection. The company uses advanced 3D scanning and empirical testing to create digital models that help product companies, factories and designers create earbuds that fit and sound better.Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!Thanks to AudioXpress for their support on this episode as well!#audioengineering #acoustics #audio #ergonomics #earbuds Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!Support the podcast on our Patreon page: www.patreon.com/THDPodcastwww.db-ent.comwww.linkedin.com/in/[email protected]/HF6NF3fcwww.soundlyfit.iolinkedin.com/company/soundlyfitwww.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.

In episode 116 of the THD Podcast, Jyri Pakarinen and Lawrence Iviani join to tell us about the new FlowDSP product from Tymphany.

Flow DSP, developed and owned by Tymphany, is an Integrated Development Environment for Audio, including the easy-to-use, graphical Flow Studio design editor, hundreds of Flow Audio Object product-ready processing modules, open architecture for customization, and the embedded Flow Engine pre-integrated on leading processors.

Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google

Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!

Thanks to AudioXpress for their support on this episode as well!

#audioengineering #acoustics #audio #voiceassistant #edge #ai

Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!

Support the podcast on our Patreon page: www.patreon.com/THDPodcast

www.db-ent.com

www.linkedin.com/in/DavidJLindberg

@dlindberg11

discord.gg/HF6NF3fc

www.peerless-audio.com/flow-dsp/

linkedin.com/showcase/flow-dsp

www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.In episode 115 of the THD Podcast, Jeff Rogers, VP of Sales & Marketing, from Sensory, joins to tell us about their wake word detection technology. Sensory enables seamless voice activation across devices with AI-powered solutions for speech recognition, emergency vehicle detection, domain-specific voice assistants, biometrics, natural language understanding, and more, offering unparalleled accuracy, privacy, and customization for your brand.In this episode, we dig deeper into their VoiceHub and development tools such as the TrulyNatural STT solution. A truly impressive and easy-to-implement tool for custom wake words on edge, cloud, or in combo.Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!Thanks to AudioXpress for their support on this episode as well!#audioengineering #acoustics #audio #voiceassistant #edge #ai Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!Support the podcast on our Patreon page: www.patreon.com/THDPodcastwww.db-ent.comwww.linkedin.com/in/[email protected]/HF6NF3fcwww.sensory.comlinkedin.com/company/sensory-inc-www.totalharmonicdiscussion.com

The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio and headphone technologies and the people who bring the technology to market.In episode 114 of the THD Podcast, James Taylor sits down during the recent Hong Kong Electronics Fair to discuss the background of Frontier and their pathway forward with WiFi/BT Low Energy/Auracast modules. The timing is great for the market with a current gap in the supply so this looks to be a great move.Frontier is a pioneer in technologies for connected audio and the market leader in DAB/DAB+ radios and Connected Audio solutions. Powering over 60 million devices worldwide, Frontier provides a range of chips and modules, from turnkey entry-level solutions to sophisticated, highly configurable options, to leading consumer electronics brands. With its R&D centre in Cambridge (UK) and manufacturing and sales offices in Shenzhen (China), Frontier supports clients and consumers across Europe and Asia. Frontier is a Science Group (AIM:SAG) company.Check out the podcast on @YouTube @Spotify @amazonmusic @iHeartRadio @RumbleVideo @Apple @Google Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support as well!Thanks to AudioXpress for their support on this episode as well!#audioengineering #acoustics #audioPlease like, subscribe, share, and comment with your feedback! Enjoy the podcast!Support the podcast on our Patreon page: www.patreon.com/THDPodcastwww.db-ent.comwww.linkedin.com/in/[email protected]/HF6NF3fcwww.frontiersmart.com/linkedin.com/company/frontier-smart-technologies-group-ltd@frontiersmartwww.totalharmonicdiscussion.com