{
  "outil": "piper-tts",
  "version_piper": "1.8.0",
  "version_onnxruntime": "1.30.0",
  "python": "3.12.3",
  "machine": "aarch64",
  "noyau": "6.17.0-1019-oracle",
  "date_utc": "2026-09-14T11:56:32.146192Z",
  "protocole": {
    "source_du_texte": "outils/mesure_tts.py (importe, non recopie)",
    "caracteres": 505,
    "phrases": 8,
    "texte": [
      "Je suis une intelligence artificielle et je pars de zero euro.",
      "Ce serveur a deux coeurs et onze gigaoctets de memoire vive.",
      "Il n'a aucune carte graphique, donc tout passe par le processeur.",
      "La documentation annonce six fois le temps reel sur processeur.",
      "Je mesure le temps de calcul et la duree audio produite.",
      "Le rapport des deux donne le debit reel de la synthese.",
      "Si le rapport est inferieur a un, la machine calcule plus lentement qu'elle ne parle.",
      "Je publie le chiffre que j'obtiens, pas celui que j'espere."
    ],
    "passes_demandees": 6,
    "synthese": "phrase par phrase, modele charge une seule fois",
    "duree_audio": "comptee en echantillons puis verifiee par ffprobe",
    "commande": "outils/venv/bin/python outils/mesure_piper.py 6"
  },
  "voix_mesurees": [
    {
      "voix": "fr_FR-siwis-medium",
      "modele": "outils/modeles/piper/fr_FR-siwis-medium.onnx",
      "modele_octets": 63201294,
      "config_octets": 4875,
      "sample_rate_hz": 22050,
      "chargement_modele_s": 1.7262767003849149,
      "passes": [
        {
          "passe": 1,
          "temps_calcul_s": 3.339016796089709,
          "audio_echantillons_s": 28.061315192743763,
          "audio_ffprobe_s": 28.061315,
          "ecart_echantillons_ffprobe_s": -1.927437622839534e-07,
          "ratio_echantillons": 8.404065300182408,
          "ratio_ffprobe": 8.404065242457703,
          "cpu_pourcent": 193.30046520157111,
          "wav_octets": 1237548,
          "wav": "media/tts/mesure-piper/fr_FR-siwis-medium-passe1.wav"
        },
        {
          "passe": 2,
          "temps_calcul_s": 3.2406346960924566,
          "audio_echantillons_s": 27.39954648526077,
          "audio_ffprobe_s": 27.399546,
          "ecart_echantillons_ffprobe_s": -4.852607702332534e-07,
          "ratio_echantillons": 8.454993868423067,
          "ratio_ffprobe": 8.454993718680559,
          "cpu_pourcent": 193.39763928211647,
          "wav_octets": 1208364,
          "wav": "media/tts/mesure-piper/fr_FR-siwis-medium-passe2.wav"
        },
        {
          "passe": 3,
          "temps_calcul_s": 3.3627331238240004,
          "audio_echantillons_s": 27.736235827664398,
          "audio_ffprobe_s": 27.736236,
          "ecart_echantillons_ffprobe_s": 1.723356035654433e-07,
          "ratio_echantillons": 8.248122823414418,
          "ratio_ffprobe": 8.248122874663089,
          "cpu_pourcent": 192.66985399758113,
          "wav_octets": 1223212,
          "wav": "media/tts/mesure-piper/fr_FR-siwis-medium-passe3.wav"
        },
        {
          "passe": 4,
          "temps_calcul_s": 3.3731621177867055,
          "audio_echantillons_s": 27.713015873015873,
          "audio_ffprobe_s": 27.713016,
          "ecart_echantillons_ffprobe_s": 1.269841263251692e-07,
          "ratio_echantillons": 8.215737905653857,
          "ratio_ffprobe": 8.215737943299283,
          "cpu_pourcent": 192.1379042479161,
          "wav_octets": 1222188,
          "wav": "media/tts/mesure-piper/fr_FR-siwis-medium-passe4.wav"
        },
        {
          "passe": 5,
          "temps_calcul_s": 3.3089082618243992,
          "audio_echantillons_s": 28.038095238095238,
          "audio_ffprobe_s": 28.038095,
          "ecart_echantillons_ffprobe_s": -2.380952395242275e-07,
          "ratio_echantillons": 8.473518459721864,
          "ratio_ffprobe": 8.473518387766035,
          "cpu_pourcent": 192.70017466378422,
          "wav_octets": 1236524,
          "wav": "media/tts/mesure-piper/fr_FR-siwis-medium-passe5.wav"
        },
        {
          "passe": 6,
          "temps_calcul_s": 3.2740798541344702,
          "audio_echantillons_s": 27.329886621315193,
          "audio_ffprobe_s": 27.329887,
          "ecart_echantillons_ffprobe_s": 3.78684806179308e-07,
          "ratio_echantillons": 8.347348824373764,
          "ratio_ffprobe": 8.347348940035209,
          "cpu_pourcent": 192.55312273581083,
          "wav_octets": 1205292,
          "wav": "media/tts/mesure-piper/fr_FR-siwis-medium-passe6.wav"
        }
      ],
      "resume": {
        "temps_calcul_s": {
          "min": 3.2406346960924566,
          "max": 3.3731621177867055,
          "mediane": 3.323962528957054
        },
        "audio_ffprobe_s": {
          "min": 27.329887,
          "max": 28.061315,
          "mediane": 27.724626
        },
        "ratio_ffprobe": {
          "min": 8.215737943299283,
          "max": 8.473518387766035,
          "mediane": 8.375707091246456
        },
        "cpu_pourcent": {
          "min": 192.1379042479161,
          "max": 193.39763928211647,
          "mediane": 192.6850143306827
        },
        "ecart_max_echantillons_ffprobe_s": 4.852607702332534e-07
      }
    },
    {
      "voix": "fr_FR-tom-medium",
      "modele": "outils/modeles/piper/fr_FR-tom-medium.onnx",
      "modele_octets": 63511038,
      "config_octets": 4959,
      "sample_rate_hz": 44100,
      "chargement_modele_s": 1.9587984732352197,
      "passes": [
        {
          "passe": 1,
          "temps_calcul_s": 6.879179619252682,
          "audio_echantillons_s": 30.48780045351474,
          "audio_ffprobe_s": 30.4878,
          "ecart_echantillons_ffprobe_s": -4.5351474042831796e-07,
          "ratio_echantillons": 4.431894810274888,
          "ratio_ffprobe": 4.4318947443491865,
          "cpu_pourcent": 185.85272819768164,
          "wav_octets": 2689068,
          "wav": "media/tts/mesure-piper/fr_FR-tom-medium-passe1.wav"
        },
        {
          "passe": 2,
          "temps_calcul_s": 6.826645606197417,
          "audio_echantillons_s": 31.097324263038548,
          "audio_ffprobe_s": 31.097324,
          "ecart_echantillons_ffprobe_s": -2.630385473878505e-07,
          "ratio_echantillons": 4.555286162036526,
          "ratio_ffprobe": 4.55528612350537,
          "cpu_pourcent": 186.89257852227604,
          "wav_octets": 2742828,
          "wav": "media/tts/mesure-piper/fr_FR-tom-medium-passe2.wav"
        },
        {
          "passe": 3,
          "temps_calcul_s": 6.839538297150284,
          "audio_echantillons_s": 31.283083900226757,
          "audio_ffprobe_s": 31.283084,
          "ecart_echantillons_ffprobe_s": 9.977324211263294e-08,
          "ratio_echantillons": 4.57385901520004,
          "ratio_ffprobe": 4.573859029787756,
          "cpu_pourcent": 187.10634320641194,
          "wav_octets": 2759212,
          "wav": "media/tts/mesure-piper/fr_FR-tom-medium-passe3.wav"
        },
        {
          "passe": 4,
          "temps_calcul_s": 6.792809726204723,
          "audio_echantillons_s": 30.67356009070295,
          "audio_ffprobe_s": 30.67356,
          "ecart_echantillons_ffprobe_s": -9.070295092783454e-08,
          "ratio_echantillons": 4.51559241713677,
          "ratio_ffprobe": 4.515592403783982,
          "cpu_pourcent": 186.24178373782289,
          "wav_octets": 2705452,
          "wav": "media/tts/mesure-piper/fr_FR-tom-medium-passe4.wav"
        },
        {
          "passe": 5,
          "temps_calcul_s": 6.775410481728613,
          "audio_echantillons_s": 31.010249433106576,
          "audio_ffprobe_s": 31.010249,
          "ecart_echantillons_ffprobe_s": -4.331065746043805e-07,
          "ratio_echantillons": 4.5768812851608836,
          "ratio_ffprobe": 4.576881221237587,
          "cpu_pourcent": 187.20542517984748,
          "wav_octets": 2735148,
          "wav": "media/tts/mesure-piper/fr_FR-tom-medium-passe5.wav"
        },
        {
          "passe": 6,
          "temps_calcul_s": 6.8205670029856265,
          "audio_echantillons_s": 30.888344671201814,
          "audio_ffprobe_s": 30.888345,
          "ecart_echantillons_ffprobe_s": 3.2879818689934837e-07,
          "ratio_echantillons": 4.52870628756829,
          "ratio_ffprobe": 4.52870633577516,
          "cpu_pourcent": 186.06184785582886,
          "wav_octets": 2724396,
          "wav": "media/tts/mesure-piper/fr_FR-tom-medium-passe6.wav"
        }
      ],
      "resume": {
        "temps_calcul_s": {
          "min": 6.775410481728613,
          "max": 6.879179619252682,
          "mediane": 6.823606304591522
        },
        "audio_ffprobe_s": {
          "min": 30.4878,
          "max": 31.283084,
          "mediane": 30.949297
        },
        "ratio_ffprobe": {
          "min": 4.4318947443491865,
          "max": 4.576881221237587,
          "mediane": 4.541996229640265
        },
        "cpu_pourcent": {
          "min": 185.85272819768164,
          "max": 187.20542517984748,
          "mediane": 186.56718113004945
        },
        "ecart_max_echantillons_ffprobe_s": 4.5351474042831796e-07
      }
    }
  ],
  "memoire_max_ko": 431124
}