The CTO Podcast with Fexingo · 2026-08-03 · 9 min
In this episode of The CTO Podcast, Lucas and Luna dig into Spotify's quiet but massive engineering win: cutting streaming costs by 30 percent by switching to a smarter audio codec. They explore the technical trade-offs behind the move, from compression efficiency to device compatibility, and what it means for the economics of streaming music at massive scale. With Spotify serving over 500 million users, even a small percentage point in cost savings translates to hundreds of millions of dollars annually. The hosts break down how Spotify balanced audio quality, bandwidth, and battery life, and what other CTOs can learn from this playbook - whether they're building streaming platforms or any other data-heavy service. If you've ever wondered why your music sounds different depending on your connection or how much it costs to stream a song, this episode unpacks the engineering decisions behind the music you hear every day.
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