$244 to $333 per hour of audio

Audio and speech, cost to produce, per hour of audio

Fewer than 3 comparable prices, so no median: the 2 figures on record run from the lowest to the highest shown.

Updated 14 Oct 2026, from its newest record.

The 2 records it is computed from, largest first

Records behind this figure
Record	Amount	As stated	Dated	Source
Open African-language speech collection: 9,000 hours across 18 languages in Kenya, Nigeria and South Africa…	$2.2M	$2.2 million per programme of 9,000 hours	4 Sep 2025	CO/AI news, African researchers release…
NaijaVoices: total cost of creating its 1,800+ hour speech-text dataset in Hausa, Igbo and Yoruba	$600K	substantial (>$600k) per dataset of 1,800+ hours	14 Oct 2026	NaijaVoices, Membership FAQ

Each record links to its own page, its source and its permanent copy.