Podcast 55: JJ Johnston

JJ Johnston, Chief Scientist at DTS, talks about acoustics and audio perception, how audio codecs work, his emphasis on increasing audio quality rather than decreasing bitrates as codecs improve, the tendency in commercial music toward increasing loudness while decreasing dynamic range, how audio production differs between commercial cinema and the home, 3D audio, the latest DTS codec called Neo:X, the Neural downmixing algorithm, some hints about future developments from DTS, and answers to chat-room questions.

Run Time: 57:05

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COMMENTS
WazNeeni's picture

Great show, Scott! I feel like it's been a while since we had a guest get so technical. I was waiting for him to refuse or hold back, like so many do, to which you always respond with something like, "No, please! The more technical, the better!" "JJ" would be an awesome return guest, especially if he ever gets to talk about the secret, proprietary stuff.

I would like to know how someone specifies what a room should sound like. I didn't really understand what he meant there.

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