Tag: coding

Exploration of Strongly-Typed Units: A Case-Study From Digital Audio – Roth Michaels – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Exploration of Strongly-Typed Units: A Case-Study From Digital Audio - Roth Michaels - ADC 2023

API or math mistakes with units can cause problems ranging from a digital audio processing outputting silence to crashing your Mars rover—we’ll discuss real-life examples of both! The combination of user-defined types, conversion operators/constructors, and operator overloading in C++ give us the tools to use strong-types and avoid unit mistakes; std::chrono is a great example of this that everyone should be using. Unfortunately, when dealing with units beyond time many developers still use primitive types encoding units in variable names or comments because the standard does not offer any tools for user-defined units.

In this talk, we will look at the mp-units library which has been proposed for standardization in P1935 (A C++ Approach to Physical Units). We will look at the implementation of various units used in digital audio / DSP that go beyond “physical” units and what the experience is like to develop your own units with this library/proposal.
To close, we will look at things missing from P1935 that we as audio developers might need.
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Roth Michaels

Roth Michaels is a Principal Software Engineer at Native Instruments, an industry leader in real-time audio software for music production and broadcast/film post-production. In his current role he is involved with software architecture and bringing together three merged engineering organizations and legacy codebases: Brainworx, iZotope, and Native Instruments. He also supports the Audio Research team to help accelerate moving research to productization and developing fast prototyping tools for product teams. Before merging with Native Instruments, when he joined iZotope, Roth was the lead library designer of a new internal cross-platform "Glass", part of which is now available as open-source. More recently in his former role as Mix/Master Software Architect, Roth helped develop the reference implementation to move iZotope's products to subscription and led the team that launched the company’s first SaaS offering for music producers. Roth studied music composition at Brandeis University and continued his studies in the Dartmouth Digital Musics program. Roth began his career in software development writing software for his own compositions, and the works of other composers and artists, and teaching MaxMSP to composers and musicians; both private instruction and designing university courses. Before joining iZotope, he was working as a consultant for small startups working on mobile applications specializing in location services and Bluetooth.
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #cppprogramming #digitalaudio #audio #cpp

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Three RADical Concepts in the Art of C++ Coding – Chris Nash – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Three RADical Concepts in the Art of C++ Coding - Chris Nash - ADC 2023

What if MIDI was a programming language?
What if C++ had built-in audio semantics?
What if you could develop C++ plugins, live in the DAW?

This talk explores these ideas and the development of new technologies designed to blur the lines between music and code, for both artists and developers, and challenge traditional ways of thinking and working.

Drawing on concepts of flow, liveness, and rapid prototyping, the talk will present live demos, and discuss the development of:

Manhattan - a digital audio workstation and embeddable API built on a procedural music engine that integrates sequencing and programming. Used by artists, game composers, and in teaching computational thinking, example applications include crowd-driven music using machine vision, a Unity mini-game featuring a live (and somewhat mortal) orchestra, plus a growing library of famous works recomposed as code that shows the power of modelling music as both pattern and process.

Klang - an open C++ dialect (language extension) for audio, using modern language features (C++14/17) to extend the semantics of C++ to encapsulate audio, providing DSP primitives and types, and adapting the STL's concept of stream objects and operators to represent signals. Easier to read, more concise, and easily mapped to visual forms (block diagrams, Max), Klang feels like a new language (in the spirit of SOUL) but, as pure C++, retains the performance, portability, compatibility, and interoperability of the industry standard.

rapIDE - a C++ IDE inside a DAW plugin, designed for rapid audio prototyping and development of synthesisers and effects. Built on a full clang/LLVM-based toolchain, the plugin's source code can be live edited, rebuilt, reloaded and auditioned without restarting the DAW (or stopping playback). Compatible with C++ and Klang, rapIDE is designed to improve the accessibility, liveness, and immersion of audio programming, for applications in rapid prototyping and teaching, featuring realtime debugging, auto-complete, code sandboxing, and built-in audio analysis.

These technologies will support the new Music Systems Engineering (MuSE) degree programme, in development by Point Blank Music School in collaboration with industry, for launch in 2024.
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Chris Nash

Chris Nash is a software developer, composer, educator and researcher in things that go beep in the night. Following a PhD on music software design at Cambridge, he has worked on technology and music projects across academia and industry, including for the BBC, Steinberg/Yamaha, and multiple start-ups, and independently develops and maintains several software projects, specialising in computer music and making music programming more accessible, including Manhattan (a hybrid DAW/programming language), Klang (a C++ dialect for audio), rapIDE (a plug-in based C++ IDE) and reViSiT (an award-winning plug-in based sound tracker). He is currently Senior Lecturer in Software Development for Audio, Sound, and Music at UWE Bristol, and recently founded nash.audio, a non-profit organisation supporting creativity and learning in music technology. Working with London-based Point Blank Music School, Dr Nash is the architect of the forthcoming MuSE (Music Systems Engineering) course, developed in collaboration with industry to be the world's first audio developer degree programme.
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #cppprogramming #audio #dsp #digitalaudio

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How to Make a Successful Plugin From Scratch as a Solo Audio Developer – Marius Metzger – ADC23

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https://audio.dev/ -- @audiodevcon​

How to Make a Successful Audio Plugin From Scratch as a Solo Audio Developer - Marius Metzger - ADC23

After my well-received appearance on last year's panel on starting your first audio business, I'm resubmitting my talk proposal on the success story of the CrispyTuner, explaining to aspiring indie developers how it's possible to make a successful audio plugin from start to finish. The goal is to inspire aspiring developers by showing real challenges I faced and how I overcame them.

Link to Slides: https://docs.google.com/presentation/d/1oIM33u4huTFny9GasHak4yOwFd-gShP2aNkeGExGFMg/edit
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Marius Metzger

My name is Marius, I'm 24 years old and have a passion for product design, leadership, and, of course, software development. After finishing school at 16 years of age, I got right into freelance software development, with Google as one of my first clients. In 2020, I released a pitch correction audio plug-in called CrispyTuner, which I created mostly by myself over the span of 2 years. It found great commercial success, and shortly after release I sold it to Plugin Alliance/brainworx to move on to new projects! At the moment, I live as a digital nomad, travelling the world and working as Development Lead at essential.gg.
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #audiodev #pitchcorrection #audioplugins

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An Introduction to CLAP, a New Plug-In Standard – Alexandre Bique – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

An Introduction to CLAP, a New Plug-In Standard - Alexandre Bique - ADC 2023

Join Bitwig developer Alexandre Bique for an introduction to CLAP (“CLever Audio Plug-in API”), an open and free plug-in standard. CLAP was launched in 2022 by plug-in manufacturer u-he and DAW creators Bitwig with design and implementation contributions by a group of commercial and open-source audio developers from across the industry. In his presentation, Alexandre will give an overview of how CLAP works, its structure and features, and the advantages it offers modern plugin-development.

Link to Slides: https://data.audio.dev/talks/2023/introduction-to-clap/slides.pdf
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Alexandre Bique

Alexandre Bique is a senior software engineer interested in low-level programming and audio processing. Since 2015, he has been part of the development team at Bitwig. Bique has also worked for u-he and spearheaded the project of porting their plug-ins to Linux. He is the lead developer behind the new plug-in standard CLAP.
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #dsp #audio #audioplugins

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Bringing Plugins to Live: Fourier Audio Introduces transform.engine – Henry Harrod – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Bringing Plugins to Live: Fourier Audio Introduces transform.engine - Henry Harrod - ADC 2023

The Fourier Audio team introduce their new live plugin platform and share details of how third-party plugin manufacturers can take full advantage of the expanding live audio market.

Having recently joined the DiGiCo family and shared the first details of their live plugin platform at AES NYC, join the Fourier Audio team as they share the opportunity for any third-party plugin manufacturer to tap into the exciting live audio market.

Having already been tested on multiple arena/stadium tours around the world, ahead of shipping in Q1 2024, the team wants to give you the inside scoop of how it works, and what the future looks like.

The talk will walk you through the key features of the platform, the baseline requirements of plugin compatibility, how to fine-tune your software to take full advantage of all features, and their vision for the future of plugins (and licensing) in the live environment.

Link to Slides: https://data.audio.dev/talks/2023/fourier-audio-transform-engine/slides.pdf
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Henry Harrod

Henry is the Co-Founder and CEO of Fourier Audio - a London-based audio start-up, developing a hardware-enabled software platform unlocking the power of reliable plugins and software DSP for live productions. Since graduating from Imperial College London as a Mechanical Engineer, Henry has worked as a sound engineer on some of the largest musical theatre shows in the UK, is a an Enterprise Fellow of the Royal Academy of Engineering, a Fellow of the ERA Foundation and an Acoustical Engineering alumnus of the Institute of Sound and Vibration Research, Southampton.
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #dsp #audio #plugins #audioplugins

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Digital Modelling of the Roland RE-201 – Jordan Evans – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Digital Modelling of the Roland RE-201 - Jordan Evans - ADC 2023

This talk will discuss digital modelling of the RE-201, breaking down the subsystems present within the device and challenges that arise in acquiring total perceptual accuracy in software simulations. Comparisons of various methods that can be used to model the RE-201 will be featured in the talk.
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Jordan Evans

Open Source Audio Developer, JEPlugins
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #audiodev #dsp #audio

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Why You Shouldn’t Write a DAW – David Rowland – ADC23

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https://audio.dev/ -- @audiodevcon​

Why you shouldn’t write a DAW - David Rowland - ADC 2023

There are surprisingly few DAWs in the music making world, especially when compared to the number of audio plugins on the market. Why is this? Could it be that all the DAWs in existence are perfect and there’s no need for another one? Perhaps there’s another reason…

In this talk we dive behind the UI/UX to take a deeper look at the technology that underpins DAWs. We’ll take a tour of some of the problems they solve, often transparently to the user, and some of the technical concepts they have to navigate in order to keep music makers in the groove.

Finally, we look at what alternatives there might be if you want to build a product that looks a bit like a DAW and why not building from scratch might save you a lot of time and money.

Link to Slides:
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David Rowland

Dave Rowland is the CTO at Audio Squadron (owning brands such as Tracktion and Prism Sound), working primarily on the digital audio workstation, Waveform and the engine it runs on. Other projects over the years have included audio plugins and iOS audio applications utilising JUCE. In academia, David has taught on several modules at the University of the West of England on programming for audio. David has a passion for modern C++ standards and their use to improve code safety and brevity, has spoken at the Meeting C++ and Cpp On Sea conferences and is a regular speaker at the Audio Developer Conference and related monthly meetup. Past presentations: https://github.com/drowaudio/presentations/
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #dsp #audio #daw

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Odd Challenges of Using Deep Learning in Designing a Feedback Delay Network Reverb – Wojciech Kacper Werkowicz & Benjamin Whateley

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Odd Challenges of Designing a Feedback Delay Network Reverb With Deep Learning - Wojciech Kacper Werkowicz & Benjamin Whateley - ADC 2023

Past lustrum have seen the rise of interest in optimization of audio effects and synthesizer parameters in use cases including parameter inference from audio input, as well as approaches for Differentiable Digital Signal Processing (such as Magenta's DDSP). However, there are still notable limitations in the area, exemplified well by the problems posed by some fundamental DSP units such as IIR filters - issues of stability, interpretability and differentiability.

In this talk, we will take on all of the above. It will be done so in the context of a research endeavour into modelling room Impulse Responses using Feedback Delay Network (FDNs). Covering a range of approaches, from naive to more advanced, we will take multiple detours to look into machine learning challenges in context of direct applications to DSP, such as approximating common transformations, tackling computational efficiency, taming the explosivity of feedback systems, at last, hopefully, differentiating the undifferentiable.
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Wojciech Kacper Werkowicz

Programmer, computer musician, improviser from Pruszków, Poland. After being introduced to electronic music by "Ishkur's Guide" in early episode of life, his interest persisted over years. Graduated from Music Computing and Technology BSc program at Goldsmiths in 2023, where he studied under Michael Zbyszynski, Seth Horvitz and Lance Putnam. Currently surveying historical and contemporary digital synthesis methods as a part of his Masters research at Institute of Sonology, The Hague, aiming to critically contextualise synthesis technologies through the lens of sound culture and philosophy. Interested in algorithmic music, machine learning, internet culture. Often enjoys mixing lo-fi technologies with the cutting edge.
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Benjamin Whateley
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #deeplearning #dsp #audio

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Creating Ubiquitous, Composable, Performant DSP Modules – Stefano D’Angelo – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Creating Ubiquitous, Composable, Performant DSP Modules - Stefano D’Angelo - ADC23

Companies and independent developers don't restart from scratch at each new project. They rely on a reusable technological base and build their final products upon that. For most software development tasks it is absolutely normal to use libraries developed by external suppliers, but for a number of very specific reasons this is less common when it comes to music DSP.

In a way, this is the sequel to my previous ADC talk. I'll show how my company, following my own advice, managed to create a toolkit of actually (re)usable music DSP algorithms while featuring unprecedented levels of ubiquity, composability, and performance.

In this talk I'll describe the cultural, architectural, and technical challenges we faced and the solutions we adopted in detail, especially with respect to:
• choice of DSP algorithms
• inadequacies and limitations of general-purpose programming languages
• minimizing reliance on programming language and target platform features
• designing consistent, performant, and unopinionated APIs
• running identical code on all platforms, from microcontrollers to the web, including desktop and mobile
• integration with external tools

Link to Slides:
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Stefano D'Angelo

I am a music DSP researcher and engineer, as well as the founder and CEO of Orastron. I help companies around the world, such as Arturia, Neural DSP, Darkglass Electronics, and Elk, in creating technically-demanding digital synthesizers and effects. I also strive to push audio technology forward through scientific research and experimental projects.
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #audiotech #dsp #dspmusic

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Properties of Chaotic Systems for Audio – George Gkountouras and Christopher Johann Clarke – ADC23

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Join Us For ADC24 - Bristol - 11-13 November 2024
More Info: https://audio.dev/
@audiodevcon​

Properties of Chaotic Systems for Audio - George Gkountouras and Christopher Johann Clarke - ADC 2023

Chaotic systems appear naturally in sufficiently complex interactions, whether in electrical circuits, classical mechanics or entirely invented scenarios. It is therefore no surprise that people realised the potential of such systems for generating and transforming sound in unique and creative ways.

However, it is not easy to explore the topic using intuition alone. It is prudent to follow any theoretical introduction with interactive tools capable of visualising phase plots, tracking nonlinear orbits and estimating numerical properties. For this reason, we will provide code examples for all systems presented in the talk.

After a short dive into fixed points and bifurcation, we will show practical examples of chaotic systems. Notably, we will focus our attention on modding/bending them to achieve musically relevant outcomes. We will tame chaos, reining it in and making it work for us.

Next, we will tie back the theory to differential equations. There, we will discover the direct implementation of a chaotic system with an analog circuit.

Finally, provided there is enough time, we will move onto more advanced topics: measuring fractal dimensions, introducing/removing synchronisation in dynamic fashion and producing delay coordinate maps.

Link to Slides: https://data.audio.dev/talks/2023/properties-of-chaotic-systems-for-audio/slides.pdf
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George Gkountouras

George Gkountouras (MSc ECE) is a software engineer, researcher and entrepreneur in the audio software industry. He believes that AI will enable the creation of state-of-the-art music technology products. He has previously given talks at ADC about his quantum sequencer application and Fractional FM synthesis. During his academic career, George regularly taught DSP to undergraduate students. He's worked on compilers, circuit simulators and audio plug-ins. He is also interested in Android audio applications, embedded systems (MCUs, FPGAs) and julialang.
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Christopher Johann Clarke

Senior AI Engineer
Singapore
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Streamed & Edited by Digital Medium Ltd: https://online.digital-medium.co.uk
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Organized and produced by JUCE: https://juce.com/
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Special thanks to the ADC23 Team:

Sophie Carus
Derek Heimlich
Andrew Kirk
Bobby Lombardi
Tom Poole
Ralph Richbourg
Jim Roper
Jonathan Roper
Prashant Mishra

#adc #pythonprogramming #dsp #audio #audiosoftware

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