Chiptune level up

A 2.5-second chiptune level-up fanfare in C major at 150 BPM, built like a four-channel 8-bit sound chip. Frame 0 opens on a punch: a triangle kick, a noise-channel crack and the first note of a 25 % duty pulse arpeggio. Sixteenth note arpeggios then climb through C, F and G (I-IV-V), shadowed by a thinner 12.5 % duty pulse playing a "chip echo" a dotted thirty-second behind. A triangle bass bounces in octaves, and the noise channel rolls from sixteenths into thirty-seconds as the arpeggio breaks into a fast run up to C7. Everything stops for a breath, and on frame 45 (1.5 s) a triumphant C major chord lands: both pulses (with delayed vibrato), triangle root, kick and a noise crash. The chord steps down in 60 Hz volume frames under a high, sparkling 12.5 % duty arpeggio that ping-pongs across the stereo field and fades to silence. All oscillators are additive and band-limited (partials below 16 kHz). The triangle bass and kick are the only content below 120 Hz, and they are mono.

Metrics

Integrated LUFS

-14 LUFS

True peak

-7.8 dBTP

Length

2.5s · 120,000 samples @ 48000 Hz

Target master

-14 LUFS · peak ≤ -1 dBTP

Checks

Passed

Spectrogram

Generated code

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