Upload log

Below is a list of the most recent file uploads. See the gallery of new files for a more visual overview.

• 05:59, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq2.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 2)
• 05:58, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq1-2.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 1)
• 05:56, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq3-1.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 3)
• 05:54, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq1-1.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 1)
• 05:50, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lsfmeanrem2.gif (AMR-NB: mean-removed LSF vector ; z_j(n)[i] : the ith coefficient of the mean-removed LSF vector at the jth subframe ; r_j(n)[i] : the ith coefficient of the prediction residual vector of frame n at the jth subframe ; pred_fac[i] : the ith coefficient of)
• 19:38, 14 September 2007 Superdump talk contribs uploaded File:Amrnb lspvec.gif (AMR-NB: LSP vectors ; q_k[i] : the ith coefficient of the kth line spectral pair (LSP) in the cosine domain ; k : the two lsf vectors give the LSP vectors q2, q4 at the 2nd and 4th subframes; k = 2*j ; f_j[i] : ith coefficient of the jth LSF vector; [0,4)
• 19:32, 14 September 2007 Superdump talk contribs uploaded File:Amrnb lsfvec.gif (AMR-NB: add mean to lsf vectors ; lsf_mean_m : a table of the means of the LSF coefficients ; m : the number of indices parsed according to the mode ; f_j : the LSF vectors)
• 16:34, 14 September 2007 Superdump talk contribs uploaded File:Amrnb lsfmeanrem.gif (AMR-NB: find the mean-removed LSF vector z_j(n) : a mean-removed LSF vector from the current frame r_j(n) : prediction residual vector of frame n at subframe j ^r_2(n-1) : the quantified 2nd residual vector in the previous frame )
• 12:28, 14 September 2007 Superdump talk contribs uploaded File:Amrnb smoothfac.gif (AMR-NB: fixed gain smoothing factor k_m - fixed gain smoothing factor K_1 - 0.4 K_2 - 0.25 diff_m - difference measure at subframe m)
• 12:25, 14 September 2007 Superdump talk contribs uploaded File:Amrnb meangc.gif (AMR-NB: averaged fixed gain used for fixed gain smoothing \bar{g}(m) - mean fixed gain at subframe m ^g_c(k) - quantified fixed gain at subframe k)
• 12:22, 14 September 2007 Superdump talk contribs uploaded File:Amrnb lspsmooth.gif (AMR-NB: averaged LSP vector used for fixed gain smoothing \bar{q}(n) - averaged LSP vector at frame n \hat{q}_4(n) - quantified LSP vector for the 4th subframe at frame n)
• 12:18, 14 September 2007 Superdump talk contribs uploaded File:Amrnb lspdiff.gif (AMR-NB: difference measure for adaptive fixed gain smoothing j - loops over LSPs m - loops over subframes \bar{q} - averaged LSP vector \hat{q}_m - quantified LSP vector at subframe m)
• 12:09, 14 September 2007 Superdump talk contribs uploaded File:Amrnb gcsmooth.gif (AMR-NB: fixed gain smoothing ^g_c - quantified fixed gain k_m - smoothing factor \bar{g_c} - averaged fixed gain)
• 08:10, 12 September 2007 Superdump talk contribs uploaded File:Amrnb meaniner.gif (AMR-NB: calculated mean innovation (fixed) energy E_I - calculated mean innovation (fixed) energy N - subframe size 40 c(n) - fixed codebook vector)
• 07:07, 12 September 2007 Superdump talk contribs uploaded File:Amrnb predener.gif (AMR-NB: predicted energy \tilde{E} - predicted energy b = [0.68, 0.58, 0.34, 0.19] - 4-tap MA prediction coefficients ^R(k) - quantified prediction errors at subframe k)
• 06:51, 12 September 2007 Superdump talk contribs uploaded File:Amrnb fixedgainpred.gif (AMR-NB: fixed gain prediction g_c' - predicted fixed gain \tilde{E} - predicted energy \bar{E} - desired mean innovation (fixed) energy (pre-specified, differs with mode) E_I - actual mean innovation (fixed) energy (calculated))
• 16:30, 11 September 2007 Superdump talk contribs uploaded File:Amrnb pitchvector.gif (Finding the adaptive code book vector v(n) by interpolating the past excitation, u(n), at the pitch lag, k, using the b60 FIR filter based on a Hamming windowed sinc function truncated at ±59 and zero-padded at ±60. (AMR-NB))
• 16:18, 11 September 2007 Superdump talk contribs uploaded File:Amrnb excitation.gif (AMR-NB how to construct the excitation vector u(n) - excitation vector ^g_p - quantified pitch gain ^g_c - quantified fixed code book gain v(n) - adaptive (pitch) code book vector c(n) - fixed code book vector)
• 16:12, 11 September 2007 Superdump talk contribs uploaded File:Amrnb synthfilter.gif (AMR-NB synthesis filter ^s(n) - speech samples ^u'(n) - gain-scaled emphasized excitation vector ^a_i - interpolated linear predictive coding coefficients)
• 08:32, 10 September 2007 Superdump talk contribs uploaded File:Amrnb firb60.png (Finding the adaptive code book vector v(n) by interpolating the past excitation, u(n), at the pitch lag, k, using the b60 FIR filter based on a Hamming windowed sinc function truncated at ±59 and zero-padded at ±60. (AMR-NB))
• 06:23, 10 September 2007 Superdump talk contribs uploaded File:Amrnb firb60.png (Finding the adaptive code book vector v(n) by interpolating the past excitation, u(n), at the pitch lag, k, using the b60 FIR filter based on a Hamming windowed sinc function truncated at ±59 and zero-padded at ±60. (AMR-NB))
• 03:47, 2 August 2007 Kostya talk contribs uploaded File:Scan.png (RealVideo4 4x4 block scan pattern)
• 19:21, 20 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 2.png (This image depicts the result of the temporal direct prediction motion vector calculation. The forward and backward motion vectors have been calculated from the motion vector coded for the colocated macroblock in frame P2.)
• 19:20, 20 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 1.png (This image shows a predicted frame sequence PbbbP and considers a macroblock in the first b-frame that is to be coded using the temporal direct prediction mode. Its motion vectors will be calculated from the motion vector of the colocated block from the f)
• 18:58, 19 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 4.png (Equation to find the backward motion vector from the motion vector of the colocated macroblock in the first L1 reference frame. LaTeX notation: {MV}_{backward} = \frac { {MV}_{L1}^{collocated} * \left ( poc \left ( cur \right ) - poc \left ( L1 \right ))
• 18:57, 19 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 3.png (Equation to find the forward motion vector from the motion vector of the colocated macroblock in the first L1 reference frame. LaTeX notation: {MV}_{forward} = \frac { {MV}_{L1}^{collocated} * \left ( poc \left ( cur \right ) - poc \left ( L0 \right ) \)
• 18:37, 19 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 4.png (Equation to find the backward motion vector from the motion vector of the collocated macroblock in the first L1 reference frame.)
• 18:35, 19 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 3.png (Equation to find the forward motion vector from the motion vector of the first L1 reference frame.)
• 16:01, 19 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 2.png (This image depicts the result of the temporal direct prediction motion vector calculation. The forward and backward motion vectors have been calculated from the motion vector coded for the collocated macroblock in frame P2.)
• 15:42, 19 May 2007 Superdump talk contribs uploaded File:H264 direct temporal 1.png (This image shows a predicted frame sequence PbbbP and considers a macroblock in the first b-frame that is to be coded using the temporal direct prediction mode. Its motion vectors will be calculated from the motion vector of the collocated block from the)
• 17:36, 7 April 2007 Columbia Pictures talk contribs uploaded File:Columbia Pictures.jpg
• 17:34, 7 April 2007 Columbia Pictures talk contribs uploaded File:Columbia.jpg
• 20:15, 2 April 2007 Hgibson talk contribs uploaded File:Shift1.gif
• 23:23, 12 March 2007 Multimedia Mike talk contribs uploaded File:Realvideo4-block-diagram.png (This block diagram is ripped from the RealVideo 4 whitepaper PDF at https://datatype.helixcommunity.org/2003/codecdocs/rv9_tech_overview_v1_5.pdf)
• 07:58, 10 March 2007 Qabala talk contribs uploaded File:Vodeiad.gif (Screencaptured March 9th, 2007)
• 07:57, 10 March 2007 Qabala talk contribs uploaded File:Vodeireg.gif (Screencaptured March 9th, 2007)
• 07:56, 10 March 2007 Qabala talk contribs uploaded File:Vodeinag.gif (Screencaptured on March 9th, 2007.)
• 01:03, 21 January 2007 Suxen drol talk contribs uploaded File:Ea tgq zigzag.png (Electronic Arts TGQ zig-zag scan pattern)
• 11:42, 10 October 2006 Reynaldo talk contribs uploaded File:Mtv overview.png (Overview of and MTV file/stream structure)
• 14:44, 19 August 2006 Lassesi talk contribs uploaded File:Supernova-star-galaxy.jpg (This is a picture from Hubble Telescope were they found this Supernova who are in fact a star that has gone wrong. And it will expanded until it became a white dwolf and at least it will be a Dark Thole.I can stand loocking at the picture for ours and in)
• 20:47, 19 May 2006 Multimedia Mike talk contribs uploaded File:Svq1-mv.png (Graphical depiction of the motion vector prediction logic used in SVQ1.)
• 19:29, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia eyes.png (This image comes from commons:Image:Noia 64 apps xeyes.png.)
• 19:19, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia kdict.png (This image comes from commons:Image:Noia 64 apps kdict.png.)
• 19:15, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia multimedia.png (This image comes from commons:Image:Noia 64 apps multimedia.png.)
• 19:14, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia tux.png (This image comes from commons:Image:Noia 64 apps linuxconf.png.)
• 19:13, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia palette.png (This image comes from commons:Image:Noia 64 apps kthememgr.png.)
• 19:11, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia question.png (This image comes from commons:Image:Noia 64 apps khelpcenter.png.)
• 19:09, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia midi.png (This image comes from commons:Image:Noia 64 apps kcmmidi.png.)
• 19:07, 26 April 2006 Multimedia Mike talk contribs uploaded File:Noia text.png (This comes from commons:Noia 64 apps kcmfontinst.png.)
• 14:25, 26 April 2006 Multimedia Mike talk contribs uploaded File:Joystick.png (Joystick icon from the KDE set of icons by http://www.carlitus.net/ .)