[Speex-dev] input_frame format

[Steve Kann]

Matt DeMoss wrote:

> The API reference says it is "+-2^16 range."
>
> Which is right? I've yet to successfully encode or decode anything.


It would be +- 2^15 -1 -- basically, the range of a short int.


>
> Jean-Marc Valin wrote:
>
>> It is documented and the range is +-32767
>>
>>     Jean-Marc
>>
>> Le mardi 07 juin 2005 à 11:59 -0500, Matt DeMoss a écrit :
>>  
>>
>>> /input_frame/ is a /(float *)/ pointing to the beginning of a speech 
>>> frame
>>>
>>> What is the range on the floats in the input_frame that 
>>> speex_encode() needs? The library that I'm using to get the sound 
>>> gives me floats that are between -1.0 and +1.0.
>>>
>>> I was assuming that this is also the case for speex, but I don't see 
>>> it documented.
>>>
>>> I'm thinking now that maybe this is not the case for Speex because 
>>> I'm seeing a lot of integer to float conversions in the sample code.
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>>>
>>>   
>>
>
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