Trailer narration is the most compressed writing in film advertising: eight or nine lines carrying an entire premise. These six are drawn from the narration pool, chosen for weight and an unhurried delivery.
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Narration is the one job where a voice has to hold up for hours rather than seconds. 163 of the 244 voices here carry the narration tag, the largest group in the catalog, across English, Hindi and nine other Indic languages.
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Model Specifications
Streaming transports
Output formats
Speed range
Sample rate
Latency
Trailer reads are written, not performed
The genre runs on short declarative lines with long gaps between them. Weight comes from the pause as much as the voice, which is why trailer copy looks sparse on the page. Casting matters less here than most people expect; pacing and the script carry it.
Cutting against picture
Requests cap at 250 characters, which is roughly one trailer line. Generating line by line rather than as a block means a retime costs one regeneration rather than a full re-render. For a format that gets recut repeatedly before lock, that changes how late you can keep changing the copy.
Pace is the whole instrument
Speed adjusts from 0.5 to 2.0, and trailer reads usually sit near 0.85. That is the only delivery control, since there is no pitch or emotion parameter. Slowing a line gives the cut room to land, which is the effect the genre is built on.
What the catalog does not do
There is no pitch shifting and no effects layer, so the heavily processed trailer voice of the 1990s is not reachable here. What is available is 163 narration-tagged voices with genuine weight, delivered clean for you to process in the edit if that is the sound you want.
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Commercial reads are short, fast, and worth testing in variants. A thirty second spot is one or two requests, which makes producing four versions cheaper than booking one session.
AI Voices for Documentary Voice Over
Documentary narration works by staying out of the way. The voice carries information the picture cannot, without competing with it. These six are drawn from the 163 narration-tagged voices, chosen for an even, unhurried delivery.
AI Narrator Voices
Narration is the one job where a voice has to hold up for hours rather than seconds. 163 of the 244 voices here carry the narration tag, the largest group in the catalog, across English, Hindi and nine other Indic languages.
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Worth saying plainly: nothing in the catalog records pitch, so these six were chosen by ear rather than filtered. There is no pitch control either, so depth is a casting decision.
Gravelly AI Voices
A gravelly voice is one with audible texture, a roughness in the lower register. Nothing in the catalog records that, so these six were chosen by listening. What they share is weight and an unhurried delivery.
Authoritative Voices
Slowing down reads as more authoritative than speeding up. A setting near 0.9 does more than any voice choice, and short declarative sentences carry more weight than qualified ones.
