TTS vs. Natural Speech

Discovered dimension: TTS vs. Natural Speech
Gemini 3.1 Pro description: Separates natural human speech from synthetic/TTS speech. High scores = natural human voices. Low scores = robotic, synthetic TTS.
Contributing experts: hf_clrt (originally: Articulation & Enunciation)
Samples per section: 20 (20 per expert)

Top 5% (Bucket 6 — Highest Scores) — 20 samples

# Score Audio Expert Bucket Score Range Source
1 4.426 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] sport_batch++_000034.tar / 10MinathomeUpperBodyWorkoutHIITMrandMrsMuscle/000069_speaker_0.mp3
2 4.429 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000053_annotated.tar / BATALLAVST-REXARKSurvivalEvolved13/000262_speaker_0.mp3
3 4.439 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000025_annotated.tar / DRAGÓNHOYPORFINÉXODOS18/002916_speaker_0.mp3
4 4.447 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000024_annotated.tar / theyaddedcarstothenewapexlegends/000570_speaker_3.mp3
5 4.469 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000026.tar / BakuganBattlePlanetEinanstrengenderSchülerFolge17TOGGO/000206_speaker_0.mp3
6 4.483 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] sport_batch++_000008.tar / RebuildingOff-GridCabinDiggingWellatAlaskanHomestead/000648_speaker_3.mp3
7 4.494 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000023.tar / AViolentJoltOnA25MillionBusinessJetGOLFlight907MaydayAirDisaster/000952_silence.mp3
8 4.550 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000007.tar / OlderManYoungerWomanIsitActuallyTrueLovewithanOlderManRomanceMovie/000245_speaker_1.mp3
9 4.562 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000013_annotated.tar / unrankedtoradiant4/000189_speaker_1.mp3
10 4.583 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000004_annotated.tar / MissajuegaSlender2Hospice/000181_speaker_0.mp3
11 4.612 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] sport_batch++_000063.tar / FullEpisode14-2018FIFAWorldCupRussiaMagazine/000519_speaker_0.mp3
12 4.617 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000005_annotated.tar / MastersoftheAWPwdev1ceFalleN/001318_silence.mp3
13 4.710 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000026.tar / StartAdventureintoaFantasyWorldofEndlessPossibilitiesEp1-13EnglishDubNewAnime2025/000939_speaker_2.mp3
14 4.778 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] sport_batch++_000028_annotated.tar / 15minKillerLOWERABSWorkoutforIntenseBellyBurnftYuliaBaltschun/000313_speaker_0.mp3
15 4.814 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000025_annotated.tar / mylegshurt/000041_speaker_2.mp3
16 4.825 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] gaming_batch++_000057_annotated.tar / chocoTacoTriesDyingLightTHEBEAST/000128_speaker_1.mp3
17 4.862 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] sport_batch++_000003.tar / SPLASHFESTIVALVLOGERSTESMALAUFDERBÜHNEFreeYoungThug/000018_silence.mp3
18 4.875 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000008_annotated.tar / SpongeBobSteinPapierSchere-Pläneschiefgelaufenfür30MinutenNickelodeonDeutschland/000535_speaker_1.mp3
19 5.104 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000006_annotated.tar / MOLLIANDMAXINTHEFUTUREFullSci-FiMovieZosiaMametAristotleAthariMichaelChernus/001858_speaker_1.mp3
20 5.314 hf_clrt
Articulation & Enunciation
6 [4.41, 5.36] live_stream_batch_000024.tar / TouchedByAnAngelFullEpisodeSeason10Episode8TouchedByAnAngel2024/001217_speaker_2.mp3

Middle (Buckets 3-4) — 20 samples

# Score Audio Expert Bucket Score Range Source
1 1.578 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] live_stream_batch_000023.tar / DocteurJekylletlesfemmesDrJekyllandHisWomen1981/000915_speaker_0.mp3
2 1.766 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] 00465.tar / 02329015.flac
3 1.876 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] sport_batch++_000057.tar / RawswildestmomentsRawhighlightsSept182023/000053_silence.mp3
4 1.910 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] 00451.tar / 02258240.flac
5 2.060 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] gaming_batch++_000038_annotated.tar / PEANUTSFUNNIESTMOMENTSPART4/000850_speaker_0.mp3
6 2.163 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] 00624.tar / 03124488.flac
7 2.240 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] gaming_batch++_000053_annotated.tar / RUSTPart3DontGetWhiplashftchocoTacoQuestReidHalifaxValliateJassehnPrideRara/003499_speaker_2.mp3
8 2.322 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] 01076.tar / TODOSlosGOLESdeJUDEBELLINGHAMenLALIGAEASPORTS/000082_speaker_0.flac
9 2.356 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] 01077.tar / 45MinTRICEPSCHESTWORKOUTStrongLeanSeriesDay2/000271_speaker_0.flac
10 2.400 hf_clrt
Articulation & Enunciation
3 [1.57, 2.52] sport_batch++_000039.tar / BreiteinderSpitzeoderzuvielDurchschnitt-Legendendiskutierenkickertv/000003_silence.mp3
11 2.534 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] 00638.tar / 03191119.flac
12 2.569 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] gaming_batch++_000017.tar / CSGOProsplayDrawSomething/000255_speaker_0.mp3
13 2.574 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] live_stream_batch_000033.tar / ThePriceofFear-NotWantedontheVoyagebyWilliamIngramDRAMATIMEwithBBC/000613_silence.mp3
14 2.614 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] gaming_batch++_000024_annotated.tar / 6GUARDIANSTheUNKILLABLEPANTHEONBUILDTeamfightTacticsTFTLeagueofLegendsAutoChess/000255_speaker_0.mp3
15 2.631 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] live_stream_batch_000033.tar / Liebemich_SarahJacksonvonEmmaSmithPerfekteRomanzeHörbuch/001910_speaker_0.mp3
16 2.641 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] gaming_batch++_000043_annotated.tar / RiseOfTheRoninPCReleasePart19/000535_speaker_1.mp3
17 2.653 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] live_stream_batch_000034.tar / 10magischeMärchenzumTräumenundEinschlafen-Hörbuch/001427_silence.mp3
18 2.699 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] 00819.tar / 04096994.flac
19 3.026 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] gaming_batch++_000046.tar / VERRUCKTTORNEOMUNDIALdeZOMBIES-NECESITOVUESTROAPOYO/001797_silence.mp3
20 3.058 hf_clrt
Articulation & Enunciation
4 [2.52, 3.47] live_stream_batch_000037.tar / JoeRoganExperience2409-BrianRedban/003529_speaker_0.mp3

Bottom 5% (Bucket 1 — Lowest Scores) — 20 samples

# Score Audio Expert Bucket Score Range Source
1 0.261 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00236.tar / 01182219.flac
2 0.294 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 01029.tar / MLPFIMSeason2Episode11-HearthsWarmingEve/000068_speaker_0.flac
3 0.326 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00532.tar / 02661996.flac
4 0.328 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00392.tar / 01961314.flac
5 0.330 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 01083.tar / CometotheMiniwherethefutureisnow/000002_speaker_0.flac
6 0.365 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00608.tar / 03043472.flac
7 0.446 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00934.tar / 04673779.flac
8 0.489 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] common-voice_bn_annotated_paraphrased.tar / bn/common_voice_bn_31186549.flac
9 0.503 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] gaming_batch++_000003_annotated.tar / summit1gABANDONSTeamForLootInEFT/000193_silence.mp3
10 0.506 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] gaming_batch++_000055.tar / ThingsTookaDarkTurnBaldursGate3PlaythroughPart6/003529_speaker_3.mp3
11 0.510 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] output_batch_0003_annotated.tar / HypnosNaptime_POKÉMONFULLEPISODE26_Season1/000200_silence.mp3
12 0.512 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00487.tar / 02438294.flac
13 0.514 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] live_stream_batch_000036.tar / LovetheItalianWay1960BelindaLeeWalterChiariRomanceMovieSubtitles/001453_speaker_1.mp3
14 0.538 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] sport_batch++_000014_annotated.tar / IchsteckeWIRKLICHmitSupercelluntereinerDeckeLvL1AccountFolge4/000692_silence.mp3
15 0.545 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] live_stream_batch_000039.tar / ADarkMafiaRomanceBrutalBossbyWillowFoxRomanceAudiobook/013159_silence.mp3
16 0.547 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] live_stream_batch_000022.tar / AllSuperheroesMustDieFullHollywoodActionMovieFreeSuperheroActionMovie/000088_silence.mp3
17 0.557 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] sport_batch++_000022_annotated.tar / BISANDIEGRENZENMMA-Vorbereitung-FlyingUwe/000245_silence.mp3
18 0.582 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] gaming_batch++_000015.tar / FIFA12ProPlayerTournamentAstonVilla/000054_speaker_3.mp3
19 0.601 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 01022.tar / 135KINODERTOTEN-ROADTOWORLDRECORD/002143_speaker_0.flac
20 0.609 hf_clrt
Articulation & Enunciation
1 [-0.32, 0.62] 00160.tar / 00804025.flac