{ "schema_version": 1, "dataset_id": "fresh400-20260928", "title": "Super Sonique \u00b7 Fresh noisy speech review", "model": { "name": "Super Sonique", "checkpoint_step": 220000, "run": "kvae_nonstudio_three_source_union_adaptive_20260924", "checkpoint_sha256": "9b1ad89169985a4db2c9c738b187c1be67d29081ce9efccc5d2a072a54e3fb31", "weights": "EMA", "sampler": "Karras Heun residual EDM", "steps": 8, "nfe_per_chunk": 15, "seed": 20260831, "precision": "FP32; TF32 allowed", "sigma_data": 0.5, "sigma_min": 0.002, "sigma_max": 2.0, "rho": 7.0, "chunk_seconds": 30, "overlap_seconds": 1, "normalization": "Input-only -16 dB RMS with peak safety cap; original input gain restored." }, "sidon": { "name": "Sidon v0.1", "repository": "sarulab-speech/sidon-v0.1", "revision": "b3b02d8bbd55fdbc410e6e46e76ef95ace4fbf52", "code_commit": "c8cde2b24e4c77c599ad43a9871140cdc9beeffa", "feature_sha256": "c3739c332da4ce00cc9019a328bcb19ee8f863ac5eb0b52386672772aab836ce", "decoder_sha256": "a789c71f54ca7db4b28becdc87c5e8b9260cb568cca462d502c54900db74a1cc", "normalization": "Official peak normalization to 0.9 and 50 Hz high-pass preprocessing; native decoder output without output loudness matching." }, "methodology": { "scores": { "basis": "Full original-gain 48 kHz mono FLOAT waveforms before shared playback attenuation and MP3 encoding.", "nisqa": { "name": "NISQA v2 overall MOS", "commit": "fe84f0f252abec382b24367d5b22498a7ce34dbb", "weights_sha256": "7ec4cf937514dd3f8860b21e66fabd8ca87a168572675ef8d979c4c4ad2e805c", "license": "CC BY-NC-SA 4.0; weights not distributed" }, "dnsmos": { "name": "DNSMOS P.835 non-personalized SIG/BAK/OVRL", "commit": "591184a9fcb2cbdec02520fed81a32bbbf9d73ff", "weights_sha256": "269fbebdb513aa23cddfbb593542ecc540284a91849ac50516870e1ac78f6edd", "resample": "16 kHz soxr_hq", "window": "9.01 seconds, 1-second stride; short clips tiled" }, "spksim": { "model": "microsoft/wavlm-base-plus-sv", "revision": "feb593a6c23c1cc3d9510425c29b0a14d2b07b1e", "weights_sha256": { "preprocessor_config.json": "99272fe8ccfab114b68b478681ea47ee3a1ce62bb788cb92dd6e4f69fb1f1da2", "config.json": "c6ac8c0ce55b18d4612677931036fe5ce78093e87361c552a173f00a0bb07514", "pytorch_model.bin": "e906bce2fa42fb497a1d1a9ecf81548adb7e03b12a5644e32d2f42f0d6500fad" }, "reference": "Actual noisy input, full-length L2-normalized x-vector cosine; input self similarity is diagnostic" }, "limitations": "Predicted MOS, not human ratings. Language/domain calibration is not established for this multilingual panel. Speaker similarity measures consistency to noisy speech, not clean-reference fidelity. No clean target, no MOS recovery percentage, SI-SDR, PESQ, or WER claimed.", "delta": "Output predicted MOS minus noisy-input predicted MOS; not percent recovery.", "precision": "FP32, TF32 disabled; official full-clip frontends; no gain normalization beyond each scorer frontend." }, "sampling_audit": { "schema_version": "fresh400-sampling-audit/v1", "complete": true, "clips": 400, "duration_seconds": 3404.271645833334, "counts": { "iptv": { "en": 240, "es": 30, "hi": 30 }, "youtube": { "en": 80, "es": 10, "hi": 10 } }, "manifest_sha256": "82c4fca059b9bebb8408401cee58cf6afaf3bd80e49dda283377493bb1f09340", "union_manifest_sha256": "4784ba79a86414433eb5307015cccba564e333c8b4af251ff4b103d69ccaf816", "union_rows_scanned": 1902849, "union_training_rows": 1901432, "distinct_episodes": 323, "max_clips_per_episode": 2, "max_clips_per_canonical_source": 2, "audio_contract": { "sample_rate": 48000, "channels": 1, "min_seconds": 5, "max_seconds": 15, "finite": true, "lossless": true, "unique_sha256": true }, "language_methods": [ { "source": "iptv", "method": "explicit_asr_locale_tag", "count": 300 }, { "source": "youtube", "method": "Whisper small raw-clip language identification", "count": 100 } ], "historical_gate_status": [ { "source": "iptv", "status": "passed_after_sidon", "count": 243 }, { "source": "iptv", "status": "continued_after_sidon_below_threshold", "count": 57 }, { "source": "youtube", "status": "bad", "count": 100 } ], "historical_gate_reason": [ { "source": "iptv", "reason": "sidon_enhanced_dnsmospro_recheck", "count": 300 }, { "source": "youtube", "reason": "dnsmospro_below_threshold", "count": 100 } ], "historical_category_counts": { "failed_mos_gate": 400 }, "selection_seed": "fresh400-20260928-heldout-failed-basic-mos-v1", "limitations": [ "Conditional review set, not an unbiased random-language performance benchmark.", "IPTV language metadata and source speech checks follow historical downstream processing, including Sidon rescue; every selected raw clip nonetheless failed its initial MOS gate.", "YouTube failed-gate segments lack ASR language labels: other segments guide candidate search and Whisper small verifies each raw clip at probability >=0.9 and margin >=0.1.", "No clean targets exist for this raw set; historical gate MOS is distinct from newly measured predicted MOS." ], "excluded_identity_types": [ "job_ids", "episode_ids", "raw_uris", "union_episode_ids", "normalized_source_ids" ], "overlap_counts": { "job_ids": 0, "episode_ids": 0, "raw_uris": 0, "union_episode_ids": 0, "normalized_source_ids": 0 }, "exclusion_inputs_sha256": [ "a6d8ead637e7110cc5a641d5a8d2b3a113bdb0d47db9e61815d6631cb1059cf6", "e4f14afef91bf9ef2cb80b59c064e6783b715ceff86c0499e0785350bba3c0b8", "613d1a2b27179060e72853b14dcc2778e8263d89e6efbce3bd11358ed0196a40", "d3f124fb1f9fcd567ff687a40bf41784bd1f60a5c974db11cae6e9567e3aea7c", "4784ba79a86414433eb5307015cccba564e333c8b4af251ff4b103d69ccaf816" ], "original_manifest_hashes_verified": [ "40d3aef6d6bbe48367289b0d0f71701317092466561da998097fba1d74a890bc", "3098a05bf4018dd7ee91fa0f6e342541aa36eaaddb5a503ffb6fa40335464306", "00db90f750e6aee9451fc711cd747f5b35534bc029c051fd13c6d8071bb3bafe", "ee67b9d80347585b92c169cd735cc8be2cdf350885d48d0e5dc16e6a0366a38b", "c91466d19532032d5ca8ea849c9adc0c84e656fb213733d03f3f8625bbb27a09", "1dec267539b6f2b724988de72e03dc2306e8630c3ff3582db1df1b0c07769599", "285b2bdafae79408ccd58f9613a5762b69af0d621009fad260b46ceef8a5c5ef", "2c7d6978bbf3e6d8c76d429f722d728ea6b384a01b4bafa9b9d7b775d8f9454e", "d9155e675d6629203039f8e2533df74c560fd98f57ae37172d30c78d7941f466", "232a1a510065f3d24b687a04a1a85d3deb6c5a5779aaa891b4eb619e485545dc", "a8ec054e95c68aeec3714bb9b87e5cd091796ce0259829504eb2d121d0793874" ], "exclusion_policy": "Exclude every split and source campaign, not only training rows; job/episode aliases collapsed.", "excluded_identity_counts": { "job_ids": 392983, "raw_uris": 273537, "episode_aliases": 666741 }, "youtube_language_detection": { "model": "OpenAI Whisper small multilingual", "package_version": "20250625", "model_sha256": "9ecf779972d90ba49c06d968637d720dd632c55bbf19d441fb42bf17a411e794", "forced_language": false, "minimum_probability_required": 0.9, "minimum_margin_required": 0.1, "minimum_observed_probability": 0.9099330306053162, "mean_observed_probability": 0.9858840996026993, "minimum_observed_margin": 0.8559054024517536, "confidence_is_calibrated_probability": false }, "audit_sha256": "e5ec9cdefda451bb23594d61e92da9c6c4072acb798115c0093c5a78a6f788ba" }, "playback": "Original source waveform; native restored outputs. One shared attenuation per clip, capped at 0.90 peak across all four variants. No per-model output loudness matching. MP3 160 kbps; scores on pre-MP3 full FLOAT WAV.", "spectrogram": "True computed 48 kHz mel spectrogram: FFT 2048, hop512,128 mel bands,40\u201320000Hz. One shared 80dB color scale per clip across all four variants.", "normalization": "Super Sonique input-only -16dB RMS with peak cap, original gain restored. Sidon official 0.9 peak normalization and50Hz highpass, native decoder gain preserved. Auphonic uses the exact non-Studio training recipe with leveling and loudness normalization disabled; native output gain retained.", "sampling": "Fixed stratified sample from historical failed basic DNSMOSPro gate; 300 IPTV and100 YouTube, within each source80% English/10% Spanish/10% Hindi. Current DNSMOS P.835 differs from historical DNSMOSPro and can score above the old threshold. Training-episode exclusions audited separately.", "language": "Exact accepted-label quotas, not human-verified spoken-language guarantees. IPTV uses historical explicit ASR locale tags; YouTube early gate failures use independent raw-audio Whisper language identification because their manifests lack ASR tags. Per-clip method is shown when available.", "auphonic": { "name": "Auphonic", "recipe": { "algorithms": { "cough_cutter": false, "debreathamount": -1, "denoise": true, "denoiseamount": 0, "denoisemethod": "speech_isolation", "deverbamount": 6, "fadetime": 0, "filler_cutter": false, "filtering": true, "filtermethod": "bwe", "leveler": false, "music_cutter": false, "normloudness": false, "silence_cutter": false }, "output_files": [ { "format": "flac" } ], "schema_version": "auphonic-speech-isolation-bwe-recipe/v1" }, "training_recipe_sha256": "29eaa2ea9669bf4fb79081e00304d0af520e5169729b3c69d890562b4fb488c6", "training_union_metadata_sha256": "5baae816eb051828ff7050c539ac26de3d0fe4f9842a490be78d8dfb774b0dcc", "processing": "Seven source/language-grouped reels, maximum30minutes,100ms inter-clip silence; exact offsets, no cuts or time shifts. Auphonic sees reel-level context; other denoisers processed standalone clips.", "reels": 7, "guard_ms": 100, "billed_credit_hours": 1.0096099017384732, "geometry": "Exact input/output reel sample counts; exact recorded offsets; no shifting, trimming, padding or resampling.", "backend": "Hosted Auphonic service; algorithm settings match the training collection, but service model weights/version are not exposed or pinned." }, "reviews": "Existing two-denoiser reviews retained and marked legacy; new choices explicitly compare all three denoisers. Auphonic is a comparison, not a clean reference." }, "summary": { "clip_count": 400, "counts": { "iptv": { "en": 240, "es": 30, "hi": 30 }, "youtube": { "en": 80, "es": 10, "hi": 10 } }, "aggregate": { "all": { "clip_count": 400, "variants": { "noisy": { "nisqa": 2.6498615369200706, "dnsmos": 2.40626705851122, "dnsmos_sig": 3.140043570670522, "dnsmos_bak": 2.6876862085467907, "spksim": 0.9999999932944774, "dnsmos_delta": 0.0, "nisqa_delta": 0.0 }, "sonique": { "nisqa": 4.382995370030403, "dnsmos": 3.344905859241195, "dnsmos_sig": 3.610210394003685, "dnsmos_bak": 4.092484248816203, "spksim": 0.9791567206382752, "dnsmos_delta": 0.9386388007299752, "nisqa_delta": 1.7331338331103325 }, "sidon": { "nisqa": 4.3144095808267595, "dnsmos": 3.3572537306173342, "dnsmos_sig": 3.6214505483614134, "dnsmos_bak": 4.0856262002979165, "spksim": 0.9699695083498955, "dnsmos_delta": 0.9509866721061141, "nisqa_delta": 1.6645480439066886 }, "auphonic": { "nisqa": 4.560236147046089, "dnsmos": 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