Displaying 2 results from an estimated 2 matches for "encoder_st".
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encoder's
2004 Dec 28
5
Sound distorted after normalized.
> 16 bit ints have a range of -32768 to 32767. If you divide
> -32768 by 32767.0 you end up with -1.00003051850948 which
> is a bad thing.
>
> Try normalizing with a value of 32768.0.
No. Speex expects values in the +-32767 range, not +-1.0. Just
converting from int16 to float *is* the right thing to do.
Jean-Marc
--
Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca>
2006 Aug 01
0
new to speex's!
...ode n times before writing the data stream.
for( int i =0 ; i < number_of_frames-1; i ++)
{
/// pack a frame
for(int j=0; j< FRAME_SIZE; j++ )
{
frame[j] = data_as_floats [j+offset];
}
// this enoced the data
speex_encode( encoder_state, frame , bits );
// increase the offset
offset+=FRAME_SIZE;
}
//speex_encode( encoder_state, frame , bits );
/// write teh stream out.
int bytes_to_write = speex_bits_nbytes( bits );
/// transform from float to char* to write. The termination code is
acutoma...