Audio measurements
The expressions and voice attributes the audio endpoints measure.
The audio upload and realtime endpoints return two arrays of scores for each window of speech: expressions and voice_attributes. Scores explains how to read them.
Measurement (excerpt)
{"expressions": [{"name": "interest","probability": 0.6231},{"name": "amusement","probability": 0.4187}],"voice_attributes": [{"name": "clear","probability": 0.9612},{"name": "calm","probability": 0.9148}]}
Expressions
Expressions in the speech, such as joy, anger, and amusement. 414 names.
abhorrence | dumbfoundedness | feeling uplifted | pondering |
admiration | eagerness | feeling upset | pride |
adoration | earnestness | feeling valued | pride in country |
aesthetic appreciation | ecstasy | feeling violated | pride in family |
affection | egotism | feeling vulnerable | pride in self |
aggression | elation | feeling worn out | puzzlement |
agitation | elevation | fierce loyalty | rage |
agony | embarrassment | flinching | rapture |
alarm | empathic pain | focus | redemption |
amazement | empowerment | fondness | regret |
amusement | enchantment | freezing with terror | relaxation |
anger | enjoyment | frustration | releasing tension |
anguish | enthusiasm | fulfillment | relief |
anticipation | entrancement | fuming | remorse |
anxiety | envy | fury | respect |
apathy | epiphany | giddiness | restlessness |
appreciation | euphoria | giddy anticipation | reverence |
arousal | excitement | giggling | revulsion |
astonishment | exhaustion | glee | righteous indignation |
attentiveness | exhilaration | gloating | romance |
attraction | existential dread | gloom | romantic jealousy |
awe | extreme pleasure | glory | sadness |
bafflement | exuberance | going ballistic | sarcasm |
basking | fascination | goosebumps | satisfaction |
befuddlement | fatigue | gratification | satisfaction with life |
bewilderment | fear | gratitude | savoring |
bitterness | fearful awe | grief | scorn |
bliss | feeling absorbed | grimacing | seething |
blushing | feeling appalled | grouchiness | self-confidence |
boldness | feeling appreciated | grumpiness | self-consciousness |
bone-chilling terror | feeling apprehensive | guilt | self-doubt |
boredom | feeling at ease | guilty pleasure | self-loathing |
brotherly love | feeling bashful | happiness | self-love |
butterflies in stomach | feeling bittersweet | hate | self-pity |
camaraderie | feeling bored to tears | hatred | sense of belonging |
captivation | feeling cheated | having fun | sense of failure |
caring | feeling competitive | heart sinking | sense of inertia |
caution | feeling cool | heartache | sense of injustice |
certainty | feeling creeped out | heartbreak | sense of security |
charm | feeling crushed | heavenly bliss | sensory pleasure |
cheer | feeling deceived | hesitancy | serenity |
cheerfulness | feeling disheartened | hesitation | sexual arousal |
childlike curiosity | feeling disoriented | high spirits | sexual desire |
chills down spine | feeling distraught | honor | sexual frustration |
choking up | feeling dominant | hope | sexual gratification |
chuckling | feeling downhearted | hopelessness | sexual tension |
cold sweats | feeling dreamy | horror | shame |
comfort | feeling dreary | hostility | sheepishness |
compassion | feeling dull | humiliation | shock |
concern | feeling dumb | humor | shuddering |
confidence | feeling empty | hunger | shyness |
confusion | feeling engaged | hysterical laughter | skepticism |
contempt | feeling engrossed | ill temper | sleepiness |
contentment | feeling excluded | impatience | sluggishness |
courage | feeling fidgety | indecision | smiling |
crankiness | feeling flirtatious | indifference | smugness |
craving | feeling flustered | indignation | snarkiness |
cringing | feeling foggy | inferiority | social anxiety |
crying | feeling free | inspiration | solidarity |
crying tears of joy | feeling grossed out | interest | sorrow |
curiosity | feeling horny | intimacy | strain |
dark humor | feeling hurt | jealousy | stress |
daze | feeling important | joking | stupor |
dedication | feeling impressed | joy | suffering |
deep concentration | feeling inquisitive | lack of focus | sulkiness |
deep contemplation | feeling insecure | laughter | sullenness |
deep focus | feeling insulted | loathing | superiority |
defeat | feeling intimidated | loneliness | surprise |
defensiveness | feeling intrigued | longing | suspicion |
dejection | feeling invincible | love | sympathy |
delight | feeling irritable | low spirits | tenderness |
demoralization | feeling jaded | loyalty | terror |
depression | feeling lazy | lust | thirst |
desire | feeling let down | marveling | thoughtfulness |
despair | feeling lively | maternal love | thrill |
despondency | feeling loved | melancholy | tiredness |
detachment | feeling offended | mild joy | torment |
detestation | feeling oppressed | misery | torture |
devotion | feeling out of place | mistrust | tranquility |
disagreement | feeling overjoyed | moral repugnance | transcendence |
disappointment | feeling overwhelmed | mystification | trauma |
disapproval | feeling perplexed | nausea | treasuring the moment |
disbelief | feeling petrified | nervous breakdown | trembling with fear |
discomfort | feeling pissed off | nervous laughter | turmoil |
discouragement | feeling powerful | nervousness | uncertainty |
disdain | feeling pumped | nirvana | unease |
disenchantment | feeling refreshed | nonchalance | unhappiness |
disgrace | feeling satiated | nostalgia | unspeakable horror |
disgust | feeling scared | not feeling in control | urge to escape |
disillusionment | feeling silly | outrage | urge to explore |
disinterest | feeling small | pain | utter disbelief |
dislike | feeling smart | panic | vengefulness |
dismay | feeling sorry | panic attack | vindication |
displeasure | feeling startled | paranoia | vulnerability |
dissatisfaction | feeling stimulated | passion | warmth |
distaste | feeling strong | patriotism | weakness |
distraction | feeling stunned | peacefulness | weariness |
distress | feeling taken aback | pessimism | wonder |
distrust | feeling threatened | physical pain | worry |
divine inspiration | feeling timid | physical pleasure | wrath |
dizziness | feeling torn | pity | yearning |
doubt | feeling trapped | playfulness | zeal |
dread | feeling unready | pleasant surprise | |
drowsiness | feeling unsafe | pleasure |
Voice attributes
Qualities of the voice or the recording: a manner of speaking, a vocal timbre, or a background sound. 190 names.
abrasive | dynamic | metallic | shy |
airy | eager | methodical | silky |
alien | echoey | monotone | silly |
angelic | echoing | monstrous | singing |
animal sound | elderly | muffled | slick |
animal-sounding | eloquent | multiple speakers | slow |
animated | emotive | mumbling | slurred |
argumentative | energetic | musical | smoker's voice |
articulate | enthusiastic | muted | smoky |
artificial | enunciating | narrative | smooth |
asmr | expressive | nasal | smug |
assertive | faint | nervous | soft |
authoritative | fast | noisy | soft-spoken |
babyish | fervent | non-human | soothing |
background music | fiery | nuanced | sparkling |
background noise | flat | old radio | speedy |
bad acting | fluent | operatic | spirited |
booming | formal | passionate | squeaky |
brassy | fuzzy | peppy | stuttering |
breathy | garbled | performative | sultry |
bright | gentle | piercing | suppressed |
bubbly | goofy | playful | synthesized |
calm | grating | poetic | theatrical |
caricatured | gravelly | poised | thin |
cartoony | gritty | polished | throaty |
charismatic | gruff | polite | thunderous |
cheerful | harmonious | powerful | timid |
child-directed | harsh | projecting | tinny |
clear | hesitant | rapping | tired |
cold | high-pitched | raspy | twangy |
comedic | hoarse | reedy | unintelligible |
commanding | honeyed | repetitive | upbeat |
commentating | honky | reserved | urgent |
composed | humming | resounding | velvety |
confident | hushed | reverberating | vibrant |
coy | husky | rich | villainous |
crackling | in a crowd | robotic | vulnerable |
creaky | inanimate object | rugged | wailing |
cute | inaudible | rushed | warm |
deep | instrumental | scratchy | weathered |
digital | lifeless | screaming | whimsical |
distorted | lilting | screeching | whiny |
dramatic | lively | seductive | whispering |
drawled | low-pitched | self-assured | worn |
droning | lush | sensitive | yelling |
drowned out | mechanical | shouting | zealous |
drunk | mellow | shrieking | |
dull | melodic | shrill |

