Cyrus Lab

White Papers

Short, technical write-ups of the methods behind our lab tools. Written for practical use, with the assumptions and limitations stated plainly.

Signal design

A Controlled Approach to Cable Conditioning: Signal Design for Repeatable Burn-In

Equal-energy-per-octave noise shaping, logarithmic sweep rate selection, duty cycling, crest factor control and polarity alternation, calibrated to -20 dBFS RMS, so a conditioning session is repeatable rather than ritual.

Read the paper

Listening test methodology

A Browser-Based Double-Blind ABX Comparator with Exact Binomial Inference

A self-administered ABX protocol that runs entirely in the browser, with exact binomial p-values instead of normal approximations, and trial design that controls the usual biases.

Read the paper

Both methods are implemented as free tools on the Cyrus Lab page.