The Total Harmonic Discussion / the THD Podcast. A weekly discussion on audio, headphone and other technologies technologies and the people who bring the technology to market. Hosted by Dave Lindberg, CEO of dB Enterprises Hong Kong, and Simon Weston, CEO of ZUMI Systems Japan. Please LiKE, Share and Subscribe. Contact us if you would like to be considered for a guest!
THD Podcast 142 - AIZIP Compressing Huge Neural Networks Into Efficient TinyML for Small Edge Devices
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 142 of the THD Podcast, Nathan Francis from AIZIP steps in to introduce their product.
Aizip is a Silicon Valley outfit that's been putting in some serious work since 2020. Now, if you've been following the show, you know everyone and their brother is talking about massive, power-hungry AI running in the cloud. But these guys? They’re doing something way more practical. They specialize in building ultra-efficient, production-grade AI models built specifically for edge and endpoint devices. Think about the massive gap between high-power AI and low-resource hardware. Aizip is essentially bridging that chasm by squeezing maximum performance out of tight silicon using Tiny Machine Learning (TinyML). The kicker here is that their tech runs entirely on-device. No calling back to the cloud. By keeping everything local, you’re looking at three massive wins: you absolutely slash your API costs, you drop latency down to basically nothing, and you get ironclad data privacy right out of the box. It’s a beautifully elegant way to handle intelligence on the edge. Also, Tom Hazlett from Sensibel is hanging out to tell about the AIZIP + Sensibel cooperation and the new part coming soon from Sensibel as well.
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Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their support
Thanks to audioXpress for their support on this episode as well!
Please like, subscribe, share, and comment with your feedback! Enjoy the podcast!
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22 Sept 2026
THD Podcast 141 - HEAD Acoustics: What Happens When Audio Systems Outsmart Your Test Signals?
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 141 of the THD Podcast, episode 141 of the THD Podcast, Jacob Soendergaard joins from HEAD acoustics GmbH to talk about ETSI's new Speech-Based Distortion Measure may be the industry's answer to confused Automated Speech Recognition (ASR's).Standardized as ETSI TS 104 063. As audio systems become increasingly optimized to handle speech and powered by AI, traditional distortion metrics are reaching their limits. This new framework is the first metric designed to quantify distortion using natural human voice signals instead of artificial tones. It came about because modern smart speakers, ANC headphones, and smartphones rely on complex, non-linear AI processing and noise-cancellation algorithms. Generic sine waves just don't produce a reliable test to learn what happens and whether the ASR will hallucinate as to what you are saying. An interesting and timely discussion so we hope you enjoy it. Check out the podcast on YouTube Spotify Amazon Music Rumble iHeartRadio Apple Google Thanks to Barry Vogel and the ALTI Audio & Loudspeaker Technologies International for their supportThanks to audioXpress for their support on this episode as well! #audioengineering #acoustics #ETSITS104063 #etsi #HEADacoustics #ETSISTQ #NonlinearityMeasure #SpeechQuality #voicequality #AudioTesting #AcousticTesting #SignalProcessing #Electroacoustics #HATS #ACQUA #LabCore 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.comlinkedin.com/in/DavidJLindberg @dlindberg11 discord.gg/HF6NF3fchttps://www.head-acoustics.com/www.totalharmonicdiscussion.com0:00 Introduction to audio testing0:24 Podcast opening and context2:13 The problem with pure tones5:46 Introducing nonlinear measurement8:10 The mechanics of NLM analysis11:00 Standardization and metrics12:40 Interpreting NLM output15:11 System-level testing nuances18:51 Handling delay and complexity22:40 Computational efficiency and summary
15 Sept 2026
THD Podcast 140 - Bluetooth 5 Chaotic Protocol Rollout is Causing Confusion in the Market
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 140 of the THD Podcast, Daniel Knighten from Audio Precision joins the discussion. AP has some new gear to test BT5 products. However, this discussion is mostly about the mass confusion that has been around the BT 5 technology launch. The launch of Bluetooth 5 created widespread confusion because its core features are optional, meaning a device can be certified as "Bluetooth 5" without actually supporting its highly advertised speed or range improvements. The Bluetooth Special Interest Group (SIG) outlines what is possible with the standard rather than what is mandatory for hardware implementation. This fragmentation left consumers frustrated by unmet expectations and placed the burden on brands to decipher and communicate complex feature checklists.Further, the lack of adoption by Tx devices, namely the iPhone, creates a scenario where end users are buying earbuds but are not getting the performance upgrades promised by BT5. Check out the podcast on @YouTube (https://studio.youtube.com/channel/UCBR8-60-B28hp2BmDPdntcQ) @Spotify (https://studio.youtube.com/channel/UCRMqQWxCWE0VMvtUElm-rEA) @amazonmusic (https://studio.youtube.com/channel/UCPqftlDSXpl3V4u044KT88w) @iHeartRadio (https://studio.youtube.com/channel/UCoBMK97ZfZmRCqIwMQYdicA) @RumbleVideo (https://studio.youtube.com/channel/UCO7LzELdkI62lxLyeN5SpIA) @Apple (https://studio.youtube.com/channel/UCE_M8A5yxnLfW0KghEeajjw) @Google (https://studio.youtube.com/channel/UCK8sQmJBp8GCxrOtXWBpyEA) 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 #bluetooth #bluetooth5 #wirelesstech #techgadgets #wirelessaudio #BluetoothSIG #bluetoothtechnology #auracast #BluetoothLE 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.comlinkedin.com/in/DavidJLindberg @dlindberg11 (https://studio.youtube.com/channel/UClLrx5V9NY67uNhLUbBPFzA) discord.gg/HF6NF3fcwww.audioprecision.comlinkedin.com/in/daniel-knighten-b7bb1728 @AudioPrecisionUSA (https://studio.youtube.com/channel/UCo1I2zNSXipSVAVLbW7dUZQ) www.totalharmonicdiscussion.com
Who has been a guest on THD Podcast
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YouTube views
13,070,212
Score snapshot 15 Sept 2025
Spotify
5.0 / 5
3 ratings
Podcast Authority Score: 61 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
Quality
71
Social presence
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YouTube
93
Engagement
32
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