[speex-dev] question on usage of the libraries

[Jean-Marc Valin]

> I think I'm doing something wrong :o) Don't know what though.
> Also, I could not find in the documentation how to convert the sample-data
> to floats. Now I'm just doing something like
> 
> float_data[index] = (float)input_data[index];
> 
> where input_data is a short *input_data "array". Is this correct? Or should
> I scale the data down to -1.0 <= x <= 1.0?

The scaling used by Speex is +- 32767 (16 bits) and the conversion
you're doing is right. Have you listened to the output? Does it sound
good (compare it to speexenc/speexdec)?

        Jean-Marc


-- 
Jean-Marc Valin, M.Sc.A.
LABORIUS (http://www.gel.usherb.ca/laborius)
Université de Sherbrooke, Québec, Canada


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