╔══════════════════════════════════════════════════════════════╗ ║ SPHINX 101 ║ ║ Signal Verification Report — v1.0.0 ║ ╠══════════════════════════════════════════════════════════════╣ ║ Report: Oversampling and Anti-Aliasing ║ ║ Generated: 2026-06-15 05:25 UTC ║ ║ Platform: macOS · Apple Silicon · TrueRail™ ║ ║ Standard: -6 dBFS operating level · 64-bit internal ║ ╚══════════════════════════════════════════════════════════════╝ Sphinx 101 — Oversampling and Anti-Aliasing Report Generated: 2026-06-15 05:25:16 UTC ===== SR1 — Sonic fingerprint across sample rates ===== Reference (48 kHz / 4x / 512): SLL THD=0.1655% H2/H3=1.375 Level=-12.348 dB Phase=55.6 deg Nevy THD=0.3353% H2/H3=3.317 Level=-12.222 dB Phase=55.5 deg Amok THD=3.7101% H2/H3=13.785 Level=-12.330 dB Phase=55.8 deg M1166 THD=3.6473% H2/H3=12.834 Level=-12.802 dB Phase=76.2 deg Rate SLL THD% Nevy THD% Amok THD% M1166 H2/H3 SLL Lvl(dB) status 44100 0.1653 0.3353 3.7100 12.823 -12.346 PASS 48000 0.1655 0.3353 3.7101 12.834 -12.348 PASS 88200 0.1659 0.3360 3.7109 13.093 -12.362 PASS 96000 0.1657 0.3354 3.7089 13.051 -12.363 PASS 176400 0.1660 0.3358 3.7102 13.217 -12.369 PASS 192000 0.1656 0.3353 3.7086 13.159 -12.370 PASS -> 6 pass / 0 warn / 0 fail ===== SR2 — Frequency-response consistency ===== Reference FR (SLL @ 48 kHz / 4x / 512), 50 Hz - 15 kHz band. (Above 15 kHz the OS halfband and analog HF-rolloff diverge between rates by design — that's bandwidth, not character.) Rate max|delta| dB worst freq Hz status 44100 0.034 10000 PASS 88200 0.313 10000 PASS 96000 0.350 10000 PASS 176400 0.512 10000 PASS 192000 0.525 10000 PASS -> 5 pass / 0 warn / 0 fail ===== SR3 — Phase consistency at 1 kHz ===== Rate SLL phase Nevy phase Amok phase status ref(48k) 77.0 77.0 77.1 --- 44100 28.0 27.9 28.2 PASS 88200 -31.4 -31.2 -31.6 PASS 96000 -7.0 -6.8 -7.3 PASS 176400 118.2 118.5 117.9 PASS 192000 130.3 130.6 130.0 PASS Polarity preserved across all sample rates: yes -> 6 pass / 0 warn / 0 fail ===== SR4 — Aliasing floor (SR × OS matrix) ===== Rate 2x (dB) 4x (dB) 8x (dB) 16x (dB) monotonic 44100 -74.3 P -74.3 P -74.3 P -74.3 P yes 48000 -71.1 P -71.1 P -71.1 P -71.1 P yes 96000 -69.1 P -69.1 P -69.1 P -69.1 P yes 192000 -71.1 P -71.1 P -71.1 P -71.1 P yes Floor threshold (clean OS-only chain): <= -55 dB Note: DriveStage's ThermalDrift LFO + RailState sag set a natural ~-70 dB floor below which OS-factor aliasing is invisible - the measurement saturates there. "monotonic" verifies higher OS does not degrade the floor (any aliasing IS suppressed below the floor). -> 20 pass / 0 warn / 0 fail ===== SR5 — CPU scaling vs sample rate (4x / 512) ===== Rate CPU % predicted % status 44100 6.80 6.77 PASS 48000 7.37 7.37 PASS 88200 13.23 13.54 PASS 96000 14.76 14.74 PASS 176400 26.60 27.08 PASS 192000 29.13 29.47 PASS -> 6 pass / 0 warn / 0 fail ===== BUF1 — Sonic consistency across buffer sizes ===== Block level dB delta dB THD % delta THD% status 64 -12.3491 0.0011 0.1653 0.0002 PASS 128 -12.3485 0.0004 0.1654 0.0001 PASS 256 -12.3481 0.0001 0.1654 0.0001 PASS 512 -12.3480 0.0000 0.1655 0.0000 PASS 1024 -12.3480 0.0000 0.1656 0.0001 PASS 2048 -12.3479 0.0001 0.1668 0.0012 PASS -> 6 pass / 0 warn / 0 fail ===== BUF2 — CPU vs buffer size (48 kHz / 4x) ===== Block CPU % monotonic 64 8.02 ok 128 7.60 ok 256 7.38 ok 512 7.29 ok 1024 7.16 ok 2048 7.16 ok Monotonic decrease: yes -> 1 pass / 0 warn / 0 fail ===== BUF3 — Block-boundary continuity (no clicks) ===== Sequence: 256,64,1024,128,512,2048,64 Max sample jump across boundary: 0.3666 PASS -> 1 pass / 0 warn / 0 fail ===== OS1 — Character consistency across OS modes (Amok) ===== OS THD % H2/H3 level dB status 2x 3.7115 13.444 -12.327 PASS 4x 3.7078 13.891 -12.329 PASS 8x 3.7061 13.943 -12.334 PASS 16x 3.7033 13.975 -12.349 PASS -> 4 pass / 0 warn / 0 fail ===== OS2 — Latency reporting accuracy across OS modes ===== OS reported measured abs diff status 2x 57 58 1 PASS 4x 73 73 0 PASS 8x 77 78 1 PASS 16x 79 80 1 PASS Reported latency monotonic with OS factor: yes -> 5 pass / 0 warn / 0 fail ===== TOTAL ===== 60 pass / 0 warn / 0 fail ══════════════════════════════════════════════════════════════ Sphinx 101 v1.0.0 Component-Level Analog Modeling with TrueRail™ Technology 60 measurements · 0 failures · 0 warnings All measurements passed — signal integrity verified. analogrealism.com · support@analogrealism.com Made in Finland ══════════════════════════════════════════════════════════════