On 17/03/18 20:12, druck wrote:
> Speech synthesis, as opposed to speech recognition, is not very
> processor intensive. The synthetic ones require the most computation,
> and the natural voice ones are more dependent on memory bandwidth and
> storage latency.
>
> We were able to run many synths on 200MHz iPaq StrongARM PDAs and had
> all the big name synthetic and natural voice synthesisers running on
> easily on early 400MHz XScale Windows CE mobile phones. Even a Pi1
> wouldn't have problems running those, and I suspect should also be able
> to cope with the latest versions.
>
> Although nowhere near in the same quality league, the 8 bit 2 MHz BBC
> Micro was able to run the Superior Software synthetic speech
> synthesiser, by modulating the 4bit volume of the sound chip at about 8KHz.

I should not forget to mention Jonathon Duddington's espeak, developed
on RISC OS & ARM back in 1995, and available on all popular Linux distros.

---druck

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