Speaker Diarization

annotation_task_name: "Speaker Diarization"

port: 8000

# Data configuration
data_files:
  - "data/meeting_segments.json"

item_properties:
  id_key: id
  text_key: text

# Annotation schemes
annotation_schemes:
  # Number of speakers
  - annotation_type: radio
    name: num_speakers
    description: "How many distinct speakers are in this segment?"
    labels:
      - "1 speaker"
      - "2 speakers"
      - "3 speakers"
      - "4 speakers"
      - "5+ speakers"

  # Speaker turns (span annotation would be ideal here)
  # For now using structured fields
  - annotation_type: text
    name: speaker_turns
    description: "List speaker turns with timestamps (e.g., '0:00-0:15 Speaker A, 0:15-0:30 Speaker B')"
    textarea: true
    placeholder: "0:00-0:15 Speaker A\n0:15-0:30 Speaker B\n..."

  # Overlapping speech
  - annotation_type: radio
    name: overlap_present
    description: "Is there overlapping speech (multiple speakers at once)?"
    labels:
      - No overlap
      - Minor overlap (brief interruptions)
      - Moderate overlap
      - Significant overlap (hard to distinguish)

  # Speaker characteristics
  - annotation_type: multiselect
    name: speaker_types
    description: "What types of speakers are present? (Select all)"
    labels:
      - Male adult
      - Female adult
      - Child
      - Elderly
      - Non-native speaker
      - Cannot determine

  # Audio events
  - annotation_type: multiselect
    name: audio_events
    description: "Non-speech events present (select all)"
    labels:
      - Laughter
      - Coughing
      - Throat clearing
      - Paper rustling
      - Typing
      - Door sounds
      - Phone ringing
      - Background music
      - Extended silence
      - None

  # Recording quality
  - annotation_type: likert
    name: recording_quality
    description: "How clear is the recording for speaker identification?"
    size: 5
    min_label: "Very poor"
    max_label: "Excellent"

  # Difficulty
  - annotation_type: likert
    name: difficulty
    description: "How difficult was it to identify speaker turns?"
    size: 5
    min_label: "Very easy"
    max_label: "Very difficult"

# User settings
allow_all_users: true
instances_per_annotator: 50

# Output
output_annotation_dir: "annotation_output/"
output_annotation_format: "json"