[Speex-dev] 2 questions, frame size and SPEEX_GET_LOOKAHEAD
jpu at apple.com
Tue Oct 31 10:32:41 PST 2006
>> 2. What does SPEEX_GET_LOOKAHEAD do? How to use it?
>> In speexenc.c, there is following code:
>> speex_encoder_ctl(st, SPEEX_GET_LOOKAHEAD, &lookahead);
>> nb_encoded = -lookahead;
>> Can someone explain what this means?
> The lookahead is the number of samples you need to discard at the
In my application, even 5ms (110 samples at 22KHz) matters. So what
should I do to avoid discarding samples at the beginning?
1. Turning off look ahead?
2. Padding 0's at the beginning.
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