Applied audio lab

Building
for voice AI.

More data. More human.

Request sample →
Powering frontier labs with
60+
Languages
50+
Annotations
10k+
Experts
< 48h
Sample turnaround

Annotation · /001

What ships with every hour.

Five annotation layers, all delivered alongside raw audio — inspect each in cascade.

SAMPLE_0481.WAV ES-MX · CDMX
0:01.2 · SPEAKER_A · F · 34

Entonces le dije laughs — bueno, tú sabes cómo es, ¿no? Que a veces uno quiere explicar algo breath y simplemente no salen las palabras↘ fall.

0:03.8 · SPEAKER_B · M · 42

Sí, totalmente overlap. A mí me pasa igual con mi mamá. laughs Cada vez que trato de hesitation — de explicarle algo del trabajo, se queda como… ↗ rise ¿qué?

0:07.1 · SPEAKER_A

Exacto emphatic. Y es que no es porque no entienda creak, es que…

F0 mean · 184 Hz
Speech rate · 4.2 syl/s
SNR · 38 dB
Code-switch · false
Disfluency · 0.18
Reverb · 0.12

Domains · /002

Versatile datasets.

A typological catalog of voice. 1,847 specimens across 60+ languages and 8 domains.

ES-MXCONV4:12
EN-USEXPRT8:04
FR-FRNARR12:30
JA-JPCONV3:48
DE-DEBCST6:22
PT-BRCONV5:14
ZH-CNEXPRT9:46
AR-EGNARR11:08

Capability · /003

More data, more capability.

Each dimension of human voice is a feed into the model.

Naturalness
Prosody
Turn-taking
Emotional fidelity
Voice-native AI
flat natural human

Process · /004

From request to delivery in under two weeks.

Every engagement starts with a scoped sample cut. If the cut is right, we move to full delivery on your infrastructure.

01

Scope

30-minute call to confirm languages, domains, annotation depth, and delivery format.

Day 0 · ~30 min
02

Sample

Representative cut delivered inside 48 hours. Listen, inspect, request adjustments.

Day 1–2 · 48 h
03

Contract

Licensing terms locked. Custom collection programs kick off in parallel if in scope.

Day 3–5
04

Deliver

Audio, transcripts, and annotation layers shipped to your cloud. Ongoing support included.

Day 6–14

Request a sample.

Share your training requirements and we'll deliver a representative sample cut of the corpus within 48 hours.

hello@extrian.com →