Audio Classification

POST /api/v5/audio/classification

Emotion classification and recognition of audio files

Request

Query Parameters

model stringrequired

Model Name, default is audeering/wav2vec2-large-robust-12-ft-emotion-msp-dim

Header Parameters

Authorization stringrequired

User Personal Token

multipart/form-data

Body

filebinaryrequired

Audio file (support mp3, wav)

Responses

Response Headers

application/json

Schema
Example (auto)
1
2

Schema

vectornumber

Vector representation of audio files

emotion_class object

arousalnumber

Arousal Score (Emotional Activation Level: e.g., Excited/Calm)

dominancenumber

Dominance Score (Emotional Control: e.g., Dominant/Submissive)

valencenumber

Potency Score (Emotional Valence: e.g., Pleasant/Unpleasant)

emotionItems object[]

Emotion Classification Result List (Formatted)

Array [

labelstring

Category Name

Example: Excitement level

labelEnstring

Category Name (English)

Example: Arousal

valuestring

Numbers

Example: 0.6820112466812134

valueDescstring

Numerical Description

Example: Excited

valueDescEnstring

Numerical Description (English)

Example: slightly excited

]

{
  "vector": 0,
  "emotion_class": {
    "arousal": 0,
    "dominance": 0,
    "valence": 0
  },
  "emotionItems": [
    {
      "label": "Excitement level",
      "labelEn": "Arousal",
      "value": "0.6820112466812134",
      "valueDesc": "Excited",
      "valueDescEn": "slightly excited"
    }
  ]
}

Successful Example

{
  "vector": null,
  "emotion_class": {
    "arousal": 0.38037118315696716,
    "dominance": 0.4589272439479828,
    "valence": 0.5078083276748657
  },
  "emotion_items": [
    {
      "label": "Excitement level",
      "label_en": "Arousal",
      "value": "0.38037118315696716",
      "value_desc": "Calmed",
      "value_desc_en": "Calm"
    },
    {
      "label": "Emotion Polarity",
      "label_en": "Valence",
      "value": "0.5078083276748657",
      "value_desc": "Neutral",
      "value_desc_en": "Neutral"
    },
    {
      "label": "Control sense",
      "label_en": "Dominance",
      "value": "0.4589272439479828",
      "value_desc": "Neutral",
      "value_desc_en": "Medium Control"
    }
  ]
}