AI Audio Codec Algorithm and Standardization Engineer

TikTok; Sydney; On-site; AUD 120,000 - 190,000; Full time

Job summary

TikTok's Video Arch Intelligent Immersive Audio Team in Australia seeks a PhD-level researcher to push immersive audio technology, research ML models for AI codecs, and contribute to international standards (MPEG, 3GPP, IETF).

You will develop high‑compression full‑band AI audio codecs using VQ‑VAE, GANs, and diffusion; help build machine-oriented audio representations; and work with cross‑functional teams on TikTok's audio needs and global collaborations.

Qualifications

• PhD required in CS, electronic information, communications engineering, information and systems, or AI.
• Ability to model digital signals and AI/deep learning algorithms; experience in international standard formulation preferred.
• Strong English communication skills and ability to convey complex technical concepts.

Responsibilities

• Develop a high compression rate full-band AI audio codec algorithm system based on generative frameworks.
• Research model architectures such as VQ-VAE, GAN, and diffusion for audio representations.
• Participate in development of audio standards domestically and internationally (e.g., MPEG, 3GPP, IETF).

Skills

English communication

AI/ML knowledge

Technical vision

Persuasion

Education

PhD in related fields

Job description

Responsibilities

Team Introduction Welcome to Video Arch Intelligent Immersive Audio Team! We are dedicated to pushing the boundaries of immersive audio technology and standardization. In addition to supporting TikTok requirements including short video, live-streaming, content creation tools and also VR/AR experiences, we also stay up-to-date with the latest research in the industry and participate in audio Standards Developing Organizations(SDO) such as MPEG, 3GPP, and IETF, etc. As part of our commitment to innovation, we proactively conduct R&D using Machine Learning and NN models(especially generative models) for immersive audio technology. If you're looking to work with a team that values creativity, innovation, and collaboration, we'd love to hear from you. Please join us to reshape the audio world together.

• Develop a high compression rate full-band AI audio codec algorithm system based on generative frameworks. Research and apply model architectures such as VQ-VAE, GAN, and Diffusion to audio feature representations and high-quality AI audio codec systems.
• Follow and research the next-generation audio codec system for machines. Build underlying technologies for machine-oriented intelligent audio representation and interaction.
• Participate in the development of domestic and foreign audio standards and supporting systems, including domestic UWA, AVS standard organizations, and international 3GPP SA4, MPEG-IWG6, IETF, MPAI, etc.

Qualifications

Minimum Qualifications

• PhD in related majors such as computer science, electronic information, communication engineering, information and systems, artificial intelligence, with a good academic research background.
• Have the ability to model digital signals and artificial intelligence/deep learning algorithms and validate the systems. Those who have had complete experience in participating in international standard formulation are preferred.

Preferred Qualifications

• Good technical vision, communication, and persuasive abilities. Able to effectively communicate technical concepts in English.
• Have influential works published in related international conferences or mainstream journals such as machine learning, artificial intelligence, and multimedia processing.

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Acknowledgment of Country

In the spirit of reconciliation, TikTok acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. We pay our respect to elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.