Apple AirPods Max Spatial Audio mixing, “pro” uses, demystified

Apple now offers two USB-C models of the AirPods Max 2 that support live mixing with Spatial Audio. Are there production uses for Apple’s flagship consumer headphones? Let’s explain.

Next-gen MPE: Expressive E adds smarter control, $999 MIDI keyboard

Expressive E is making its expressive, multi-dimensional keyboards more accessible, with 49- and 61-key controller Osmose options starting at $/€999. And across the full range, the company’s sound ecosystem is expanding with updated software, including the new Ctrl-e platform for sound. That means it’s easier to afford and get started with these unique MPE keyboards, and you’ll more quickly find ready-to-play sounds.

Peter Kirn - April 29, 2026

Pi Day: Chino Yoshio and Sine Wave Marimbas and Cherry Blossoms

“Chino Yoshio, a composer based quietly in Kyotanabe, Kyoto” has been working with sine waves in poetic, beautifully reflective ways. I’m going to run today with the idea that sine waves need not be just neutral, the absence of harmonics — not just a technical description, like an oscillator. (There’s academic research expanding this definition.) […]

Peter Kirn - March 14, 2026