Audio and Media Technologies

Conference calls that almost feel as if the participants were in the same room? This dream could soon come true thanks to the Immersive Voice and Audio Services (IVAS) codec, a technology that creates a spatial experience during phone calls or teleconferences. IVAS makes conversations feel more vivid, which improves communication. 

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AI algorithms that generate text, images, or videos based solely on prompts – i.e., input in human language – will play a major role in business, research, and society in the future. Known as generative algorithms, these broaden the options for making use of artificial intelligence. And Fraunhofer IIS is at the forefront of their development.

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Clear sound, even when you are surrounded by noisy traffic or your colleague is hammering on their keyboard? A team at Fraunhofer IIS developed a low-complexity real-time AI-based noise reduction technology. What makes it unique is that it is device independent.

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About 19 years ago, Fraunhofer IIS and the Chair of Information Technology (LIKE) at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) founded a digital campus radio station. It was a research project aimed at testing technical innovations and digital broadcasting systems and working with FAU students on developing innovative, content-related concepts. The campus radio station has long since outgrown its status as a research project, and in 2022, the broadcasting studio moved from Erlangen’s E-Werk cultural center to the “Blue House” on the Europa Canal in Erlangen. On the occasion of this move, we take a look back at 19 years of fruitful collaboration.

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In a recent interview Joachim Keinert, head of the “Computational Imaging and Algorithms“ group, shares his insights on light-field, which optimizes editing scenes during the postproduction process.

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Gender bias and bias in general play an increasing role in natural language processing. AI applications use vast amounts of data to learn associations relating to all kinds of variables or features. But in doing so, they also adopt existing prejudices and stereotypes. In this interview, Dr. Alessandra Zarcone discusses whether gender bias is also a factor in industrial natural language processing, to what extent she herself is concerned with the issue, and whether Fraunhofer IIS is addressing this problem.

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New sound technologies make it possible to craft highly realistic audio experiences in which the sound comes from all sides – even from above. Sound engineer Daniela Rieger completed her Master of Engineering at Stuttgart Media University and is part of the team in the Media Systems and Applications department at Fraunhofer IIS, where she works to optimize these types of audio formats.

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Dr. Bernhard Grill, Director of the Fraunhofer Institute for Integrated Circuits IIS, was a guest speaker at the 19th Bavarian SME Conference in December 2020. There he talked about “Erlangen’s Audio Revolution – mp3, Fraunhofer and big business with compressed file formats.”

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When Elena Burdiel talks about her work in the Audio Coding & Multimedia Software group at the Fraunhofer Institute for Integrated Circuits IIS in Erlangen, you immediately notice her enthusiasm and how her eyes light up. It quickly becomes clear that her world revolves (almost) entirely around music and sound. But delving a little deeper reveals that the 29-year-old has many exciting qualities that make her a unique “innovation artist” in the Nuremberg metropolitan region.

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Audio description for video over MPEG-H audio now available in eight languages.

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Speakers tell us about their experience with the webinar series at Fraunhofer IIS.

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Voice assistants such as Alexa, Siri and the like are becoming more and more popular, but the systems struggle when it comes to understanding complex contents and context or deriving semantic meaning. Birgit Brüggemeier knows what the problem is: »The machine lacks common sense.« Together with her project team, she is working on the European version of a voice assistant, looking at how these error messages can be communicated to the user without them getting annoyed and ending their interaction with the voice assistant.

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