Next Generation Audio for Headphones – the Binaural NGA Renderer

In the course of the AES “Virtual Vienna” Convention 2020, the Binaural NGA Renderer, our binaural rendering addon for the EBU ADM Renderer, was released together with a corresponding paper. The Binaural NGA Renderer was released as an open source project and can be found at https://github.com/IRT-Open-Source/binaural_nga_renderer. The corresponding paper with the title “Optimized binaural rendering …

Read More

Deep Learning in multimedia

The advances in Artificial Intelligence (AI) and more specifically in Deep Learning, have hardly left any technical domain unaffected. The idea of Artificial Intelligence is not new, what happened that suddenly Artificial Intelligence has gained so much attention? What is the impact on the multimedia landscape and what are the emerging challenges for broadcasters? Shortly …

Read More

5G TODAY – Field Measurements

In the Bavarian research project 5G TODAY the project partners IRT, Rohde & Schwarz and Kathrein Broadcast have implemented the FeMBMS (Further Evolved Multicast Broadcast Mobile Service) specification and set up an “LTE-based 5G Broadcast” test field in the Bavarian Alpine region with the transmitters Wendelstein and Ismaning. This technology enables highly efficient live and …

Read More

HbbTV 2: Down with the language barriers

On television, language barriers are reconciled by translations or subtitles. Thanks to artificial intelligence, audio tracks can now even be converted into foreign languages largely automatically and with much less effort. New features co-developed by IRT make it possible to offer viewers individual language versions via the TV speakers or via smartphones and headphones. A …

Read More

Streaming on Rails — Episode 01: Improving VoD for Train Passengers

In the EU-funded R&D project 5G-VICTORI we aim to improve the availability and quality of video-on-demand (VoD) streaming services (such as “Mediathek”) for train passengers. In a series of articles we want to keep you informed about our activities in this area. In this article we explain the technical approaches we are investigating. How can …

Read More

Testing a VR subtitle production prototype

In our earlier post on accessibility services in 360° environments (here) we have described how these services can enhance user experiences and make 360° videos more accessible. In the EU-funded Immersive Accessibility project ImAc subtitles are extended with guiding cues to support easier speaker identification within the 360° space to enhance the user experience and …

Read More

Next Generation Audio for smart speakers

“Hey Alexa/Siri/Google, change the program language to English and increase the dialogue level.” The widespread use of smart speakers offers a great potential for many Next Generation Audio (NGA)-related applications. Smart speakers by itself offer a broad set of possibilities to gain information or to interact with the voice assistant, but also to listen to …

Read More

Audio Description via bone conduction headphones using HbbTV2

People with visual impairments often need audio description when watching TV in order to understand what is happening visually. This can be problematic in certain group settings, where it is not possible to enable audio description e.g. public viewing events. In a group setting, as of now, everybody listens to the same broadcast sound together …

Read More