The Real Deal 192: All about the MP3 (podcast)

We talk with Professor Karlheinz Brandenburg, co-inventor of the MP3, about how the popular audio format came about, how best to use it, and what's next in digital audio technology.

We talk with Professor Karlheinz Brandenburg, co-inventor of the MP3, about how the popular audio format came about, how best to use it, and what's next in digital audio technology.

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Episode 192

Professor Karlheinz Brandenburg
Director of the Fraunhofer Institute for Digital Media Technology

He studied digital audio coding and perceptual measurement techniques at university. The research results of his dissertation are the basis of MPEG-1 Layer 3 (mp3), MPEG-2 Advanced Audio Coding (AAC) and most other modern audio compression schemes.

What was MPEG-1 Layer 3 when you first worked on it? What problem were you trying to solve? Was creating MP3 a similar problem to creating digital encoding for CDs?

What led to MP3 becoming so popular as a music format?

Did you anticipate the use of MP3? AAC?

What are the problems, if any with MP3 now?

Basis of how it works – psychoacoustics? Compression? Both?

Why do people like albums so much? What is “warm” sound?

Why didn’t the first CDs or MP3s sound as good as they do today?

Challenges yet to solve?

practical advice: What’s best for ripping CDs? Is there overkill, for ex at 320kbs.

You’re working on what’s next for MP3. What can we expect?

Discsussion of challenges for the music industry overall?

http://imdt.fraunhofer.de

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