Dataset Viewer
The dataset viewer is not available for this subset.
Cannot get the split names for the config 'default' of the dataset.
Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.12/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
                  for split_generator in builder._split_generators(
                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 90, in _split_generators
                  inferred_arrow_schema = pa.concat_tables(pa_tables, promote_options="default").schema
                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "pyarrow/table.pxi", line 6319, in pyarrow.lib.concat_tables
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
              pyarrow.lib.ArrowTypeError: Unable to merge: Field json has incompatible types: struct<caption: string, caption_type: string, duration: double, emotion_whisper: string, emotion_whisper_half_1: string, emotion_whisper_half_2: string, score_background_quality: double, score_content_enjoyment: double, score_overall_quality: double, score_speech_quality: double, characters_per_second: double, transcription: string> vs struct<caption: string, caption_type: string, characters_per_second: int64, duration: double, emotion_whisper: string, emotion_whisper_half_1: string, emotion_whisper_half_2: string, score_background_quality: double, score_content_enjoyment: double, score_overall_quality: double, score_speech_quality: double, transcription: string>: Unable to merge: Field characters_per_second has incompatible types: double vs int64
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 65, in compute_split_names_from_streaming_response
                  for split in get_dataset_split_names(
                               ^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
                  info = get_dataset_config_info(
                         ^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
                  raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
              datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

Balanced Emotion Dataset — Majestrino with Temporal Detailed Captions

An emotion-balanced subset of TTS-AGI/majestrino-unified-detailed-captions-temporal.

Overview

  • Total samples: 482,594
  • Samples per emotion category: 12,997
  • Number of emotion categories: 40
  • Format: WebDataset (tar files with FLAC audio + JSON metadata)
  • Number of tar files: 483
  • Samples per tar: ~1000

Balancing Strategy

Samples were selected from the source dataset using keyword matching on captions. Each of the 40 emotion categories has exactly 12,997 samples, balanced by the rarest category (Intoxication/Altered States). Samples are spread across diverse source shards for maximum variety. Some samples (~7.3%) appear in multiple categories due to multi-emotion captions.

Emotion Categories

Category Samples Example Keywords
Amusement 12997 lighthearted fun, amusement, mirth, joviality, laughter
Elation 12997 happiness, excitement, joy, exhilaration, delight
Pleasure/Ecstasy 12997 ecstasy, pleasure, bliss, rapture, beatitude
Contentment 12997 contentment, relaxation, peacefulness, calmness, satisfaction
Thankfulness/Gratitude 12997 thankfulness, gratitude, appreciation, gratefulness
Affection 12997 sympathy, compassion, warmth, trust, caring
Infatuation 12997 infatuation, having a crush, romantic desire, fondness, butterflies in the stomach
Hope/Optimism 12997 hope, enthusiasm, optimism, anticipation, courage
Triumph 12997 triumph, superiority
Pride 12997 pride, dignity, self-confidently, honor, self-consciousness
Interest 12997 interest, fascination, curiosity, intrigue
Awe 12997 awe, awestruck, wonder
Astonishment/Surprise 12997 astonishment, surprise, amazement, shock, startlement
Concentration 12997 concentration, deep focus, engrossment, absorption, attention
Contemplation 12997 contemplation, thoughtfulness, pondering, reflection, meditation
Relief 12997 relief, respite, alleviation, solace, comfort
Longing 12997 yearning, longing, pining, wistfulness, nostalgia
Teasing 12997 teasing, bantering, mocking playfully, ribbing, provoking lightly
Impatience and Irritability 12997 impatience, irritability, irritation, restlessness, short-temperedness
Sexual Lust 12997 sexual lust, carnal desire, lust, feeling horny, feeling turned on
Doubt 12997 doubt, distrust, suspicion, skepticism, uncertainty
Fear 12997 fear, terror, dread, apprehension, alarm
Distress 12997 worry, anxiety, unease, anguish, trepidation
Confusion 12997 confusion, bewilderment, flabbergasted, disorientation, perplexity
Embarrassment 12997 embarrassment, shyness, mortification, discomfiture, awkwardness
Shame 12997 shame, guilt, remorse, humiliation, contrition
Disappointment 12997 disappointment, regret, dismay, letdown, chagrin
Sadness 12997 sadness, sorrow, grief, melancholy, dejection
Bitterness 12997 resentment, acrimony, bitterness, cynicism, rancor
Contempt 12997 contempt, disapproval, scorn, disdain, loathing
Disgust 12997 disgust, revulsion, repulsion, abhorrence, loathing
Anger 12997 anger, rage, fury, hate, irascibility
Malevolence/Malice 12997 spite, sadism, malevolence, malice, desire to harm
Sourness 12997 sourness, tartness, acidity, acerbity, sharpness
Pain 12997 physical pain, suffering, torment, ache, agony
Helplessness 12997 helplessness, powerlessness, desperation, submission
Fatigue/Exhaustion 12997 fatigue, exhaustion, weariness, lethargy, burnout
Emotional Numbness 12997 numbness, detachment, insensitivity, emotional blunting, apathy
Intoxication/Altered States 12997 being drunk, stupor, intoxication, disorientation, altered perception
Jealousy & Envy 12997 jealousy, envy, covetousness

Data Format

Each tar file contains paired .flac and .json files:

  • FLAC: Audio recording
  • JSON: Metadata including caption (unified detailed caption with temporal aspects), transcription, duration, characters_per_second, quality scores, and emotion scores

Usage

import webdataset as wds

dataset = wds.WebDataset("data/{00000..00482}.tar")
for sample in dataset:
    audio = sample["flac"]  # FLAC bytes
    meta = json.loads(sample["json"])
    caption = meta["caption"]

Source

Built from TTS-AGI/majestrino-unified-detailed-captions-temporal using emotion keyword matching across all 821 training shards.

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