Displaying 3 results from an estimated 3 matches for "speexsubmod".
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speexsubmode
2008 Jan 25
2
How to get size of WB frame in bits/bytes?
Hi,
Is there any way to determine frame size in bits or bytes of
encoded frame in WB mode for given quality? That is I need
to know how many bits encoded frame will occupy in RTP
packet. I see SPEEX_SUBMODE_BITS_PER_FRAME request,
but it works like this only for NB mode, and for WB mode
it return size of WB "subframe" (?) only.
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM
2007 Aug 06
2
11kbps narrowband on a 24bit DSP
...ted in the speex decoder for
11kbps narrowband implementation.
I am using the following parameters and structures
160, /*frameSize*/
40, /*subframeSize*/
10, /*lpcSize*/
17, /*pitchStart*/
144, /*pitchEnd*/
/* 11 kbps medium bit-rate mode */
static const SpeexSubmode nb_submode4 = {
-1,
0,
1,
0,
/*LSP quantization*/
lsp_quant_lbr,
lsp_unquant_lbr,
/*Pitch quantization*/
pitch_search_3tap,
pitch_unquant_3tap,
<p_params_med,
/*Innovation quantization*/
split_cb_search_shape_sign,
split_cb_shape_sign_u...
2007 Aug 06
0
11kbps narrowband on a 24bit DSP
...ng parameters and structures
>
>
>
> 160, /*frameSize*/
>
> 40, /*subframeSize*/
>
> 10, /*lpcSize*/
>
> 17, /*pitchStart*/
>
> 144, /*pitchEnd*/
>
>
>
> /* 11 kbps medium bit-rate mode */
>
> static const SpeexSubmode nb_submode4 = {
>
> -1,
>
> 0,
>
> 1,
>
> 0,
>
> /*LSP quantization*/
>
> lsp_quant_lbr,
>
> lsp_unquant_lbr,
>
> /*Pitch quantization*/
>
> pitch_search_3tap,
>
> pitch_unquant_3tap,
>
>...