[speex-dev] What is the format of the PCM/WAV data for speex_encode & speex_decode?

Kenji Chan adslbqmr at tpg.com.au
Fri Apr 16 13:04:06 PDT 2004

I'm confused about the format of the PCM/WAV data for speex_encode &

    speex_encode(enc_state, input_frame, &bits); 

In the manual, it says "input_frame is a (float *) pointing to the beginning
of a speech frame" (for encode)

But I've found that in speexenc.c and testenc.c, short* is used instead of


So, isn't it signed 16 bit samples(if 16bit) or float?

For vorbis, I have to convert signed 16bit to float before encoding, how's
about speex?



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