╔══════════════════════════════════════════════════════════════╗ ║ SPHINX 101 ║ ║ Signal Verification Report - v1.1.3 ║ ╠══════════════════════════════════════════════════════════════╣ ║ Report: Oversampling and Anti-Aliasing ║ ║ Generated: 2026-06-30 02:39 UTC ║ ║ Platform: macOS · Apple Silicon · TrueRail™ ║ ║ Standard: -6 dBFS operating level · 64-bit internal ║ ╚══════════════════════════════════════════════════════════════╝ Sphinx 101 - Oversampling and Anti-Aliasing Report Generated: 2026-06-30 02:39:01 UTC ===== SR1 - Sonic fingerprint across sample rates ===== Reference (48 kHz / 4x / 512): SLL THD=0.1724% H2/H3=1.497 Level=-11.698 dB Phase=-104.5 deg Nevy THD=0.3493% H2/H3=3.535 Level=-11.545 dB Phase=-104.6 deg Amok THD=3.8964% H2/H3=13.303 Level=-11.587 dB Phase=-104.5 deg M1166 THD=3.8487% H2/H3=12.472 Level=-12.055 dB Phase=-144.0 deg Rate SLL THD% Nevy THD% Amok THD% M1166 H2/H3 SLL Lvl(dB) status 44100 0.1725 0.3493 3.8963 12.456 -11.697 PASS 48000 0.1724 0.3493 3.8964 12.472 -11.698 PASS 88200 0.1724 0.3491 3.8964 12.556 -11.702 PASS 96000 0.1726 0.3492 3.8965 12.566 -11.702 PASS 176400 0.1724 0.3491 3.8966 12.608 -11.704 PASS 192000 0.1725 0.3493 3.8966 12.605 -11.704 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 0.014 10000 PASS 88200 0.068 10000 PASS 96000 0.073 10000 PASS 176400 0.097 10000 PASS 192000 0.099 10000 PASS -> 5 pass / 0 warn / 0 fail ===== SR3 - Phase consistency at 1 kHz ===== Rate SLL phase Nevy phase Amok phase status ref(48k) -142.7 -142.5 -143.1 --- 44100 -147.2 -147.0 -147.5 PASS 88200 -119.8 -119.5 -120.1 PASS 96000 -117.6 -117.3 -117.9 PASS 176400 -106.2 -105.9 -106.5 PASS 192000 -105.1 -104.8 -105.4 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 12.17 11.75 PASS 48000 12.79 12.79 PASS 88200 23.23 23.50 PASS 96000 25.34 25.57 PASS 176400 47.00 46.99 PASS 192000 50.75 51.15 PASS -> 6 pass / 0 warn / 0 fail ===== BUF1 - Sonic consistency across buffer sizes ===== Block level dB delta dB THD % delta THD% status 64 -11.6981 0.0000 0.1724 0.0000 PASS 128 -11.6981 0.0000 0.1724 0.0001 PASS 256 -11.6981 0.0000 0.1724 0.0000 PASS 512 -11.6981 0.0000 0.1724 0.0000 PASS 1024 -11.6981 0.0000 0.1725 0.0000 PASS 2048 -11.6981 0.0000 0.1725 0.0000 PASS -> 6 pass / 0 warn / 0 fail ===== BUF2 - CPU vs buffer size (48 kHz / 4x) ===== Block CPU % monotonic 64 13.23 ok 128 12.92 ok 256 12.78 ok 512 12.72 ok 1024 12.66 ok 2048 12.68 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: 0.0278 PASS -> 1 pass / 0 warn / 0 fail ===== OS1 - Character consistency across OS modes (Amok) ===== OS THD % H2/H3 level dB status 2x 3.8962 13.165 -11.579 PASS 4x 3.8964 13.304 -11.586 PASS 8x 3.8965 13.374 -11.590 PASS 16x 3.8967 13.409 -11.592 PASS -> 4 pass / 0 warn / 0 fail ===== OS2 - Latency reporting accuracy across OS modes ===== OS reported measured abs diff status 2x 4 5 1 PASS 4x 6 7 1 PASS 8x 6 7 1 PASS 16x 6 7 1 PASS Reported latency monotonic with OS factor: yes -> 5 pass / 0 warn / 0 fail ===== TOTAL ===== 60 pass / 0 warn / 0 fail ══════════════════════════════════════════════════════════════ Sphinx 101 v1.1.3 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 ══════════════════════════════════════════════════════════════