LC3 and LC3plus Bluetooth

25 May @ 15.00 - 16.30

Join Dr Alfonso Carrera to learn about the LC3 and LC3plus audio codecs developed by the department of Audio & Media Technologies at Fraunhofer IIS. He will introduce the whole LC3 product family, the features and the technical benefits of these codecs. 

Form: webinar

Date: 25th May 2022

Time: 15.00 – 16.30

Place: Online via Zoom

Price: free

Language: English

If you have questions about signing up, please contact Murielle De Smedt,

Participant profile:

Those working with

  • Bluetooth audio
  • DECT audio
  • Chipset/DSP manufacturers and IP vendors
  • ODMs and OEMs in the fields of smartphone, headset, speaker, home theather, hearing aid, conferencing systems, automotive, gaming
  • Other propietary wireless audio transmission
You will meet:



Low Complexity Communication Codecs – LC3 and LC3plus

The LC3 and LC3plus audio codecs were developed in order to solve essential shortcomings present in today’s wireless communication platforms such as Bluetooth and Digital Enhanced Cordless Telecommunications (DECT). The codecs’ operation modes range from medium bit rates for optimal voice transmission up to high bit rates for high-resolution music streaming services (the latter applies to LC3plus). At the same time, the codecs operate at low latency, low computational complexity and low memory footprint.

Alfonso will take us through the following:

  • An introduction to the LC3 product family
  • The standardization and technical benefits
  • Software licensing
  • Patent licensing
Alexander will join the discussion to answer any technical questions.
Alfonso has a doctorate in electrical engineering by Friedrich-Alexander University (Erlangen-Nuremberg), and Executive MBA by Instituto de Empresa (Madrid).
He works in strategy, business development, key account management and licensing for Fraunhofer IIS – Audio & Multimedia Technologies.
As part of this work, I have been leading the LC3 and LC3plus strategy, business development and licensing for the past 3 years.

Dr Alfonso Carrera,
Fraunhofer IIS

Alexander Tschekalinskij is a senior software and testing engineer in the Low Delay Audio Coding Group at the Fraunhofer Institute for Integrated Circuits (IIS) in Erlangen, Germany. He holds a Master of Science degree in Nuclear Physics from the Friedrich-Alexander-University. As part of the team that developed the LC3 audio codec which is standardized in Bluetooth and the LC3plus codec which is standardized in ETSI, Alexander represents the Fraunhofer IIS as the Bluetooth SIG delegate. Further responsibilities within the group include software quality assurance and the maintenance of the LC3 specification.

Alexander Tschekalinskij,
Fraunhofer IIS

When you participate in this event, your time will be used as co-financing for the Innovation Power Project, which is funded by the Danish Business Promotion Board and the Danish Agency for Education and Research at a standard rate. Read more about Innovationskraft  HERE.

Danish Sound Cluster

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