[opus] Float audio question

Jean-Marc Valin
Mon, 20 Jan 2014 21:18:13 -0000

In the Opus API (which is different from Speex), the range of float PCM
values is +/-1. For the integer API, it's +/- 32768.

	Jean-Marc

On 01/20/2014 04:13 PM, Brendan Bolles wrote:
> I've had trouble getting a definitive answer to this one, so please
forgive me for asking here.
>
> When converting between integer and float audio samples, what is the
preferred scale factor?
>
> For example, if you were converting to signed 8-bit, the possible range is
-128 to 127.  Do you map float -1.0 to -127 or -128?
>
>
> Brendan
>
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