All public logs

Combined display of all available logs of MultimediaWiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 11:38, 20 October 2007 Multimedia Mike talk contribs moved page Talk:Summer Of Code 2007 to Talk:FFmpeg Summer Of Code 2007 (consistent naming)
• 11:38, 20 October 2007 Multimedia Mike talk contribs moved page Summer Of Code 2007 to FFmpeg Summer Of Code 2007 (consistent naming)
• 11:35, 20 October 2007 Multimedia Mike talk contribs moved page Talk:FFmpeg Summer Of Code to Talk:FFmpeg Summer Of Code 2006 (precise date)
• 11:35, 20 October 2007 Multimedia Mike talk contribs moved page FFmpeg Summer Of Code to FFmpeg Summer Of Code 2006 (precise date)
• 00:34, 15 October 2007 DonDiego talk contribs deleted page Meridian Lossless Packing (MLP) (useless redirect)
• 11:03, 13 October 2007 Multimedia Mike talk contribs moved page Meridian Lossless Packing (MLP) to Meridian Lossless Packing (remove the acronym from the title)
• 04:28, 30 September 2007 Superdump talk contribs uploaded File:Amrnb lpccoeff.gif (AMR-NB: Calculation of the LPC coefficients)
• 04:30, 25 September 2007 Superdump talk contribs uploaded File:Amrnb lpccoeff.gif (AMR-NB: Calculation of the LPC coefficients)
• 11:56, 24 September 2007 Superdump talk contribs uploaded File:Amrnb pftiltsum.gif (AMR-NB: tilt compensation filtering to obtain post-filtered speech vector)
• 11:43, 24 September 2007 Superdump talk contribs uploaded File:Amrnb mu.gif (AMR-NB: mu used for tilt compensation filter)
• 11:39, 24 September 2007 Superdump talk contribs uploaded File:Amrnb fmntfilt.gif (AMR-NB: Output of filtering ^s(n) through H_f(z) = ^A(z/gamma_n) / ^A(z/gamma_d))
• 11:35, 24 September 2007 Superdump talk contribs uploaded File:Amrnb residual.gif (AMR-NB: residual vector used during post-filtering)
• 10:06, 24 September 2007 Superdump talk contribs uploaded File:Amrnb residual.gif (AMR-NB: residual vector used during post-filtering)
• 11:05, 21 September 2007 Superdump talk contribs uploaded File:Amrnb residual.gif (AMR-NB: residual vector used during post-filtering)
• 10:59, 21 September 2007 Superdump talk contribs uploaded File:Amrnb highpass.gif (AMR-NB: Highpass filter)
• 09:24, 21 September 2007 Superdump talk contribs uploaded File:Amrnb highpass.gif (AMR-NB: Highpass filter)
• 08:47, 21 September 2007 Superdump talk contribs uploaded File:Amrnb gainscalspch.gif (AMR-NB: gain-scaled speech samples)
• 08:46, 21 September 2007 Superdump talk contribs uploaded File:Amrnb gainscalfacwtd.gif (AMR-NB: weighted gain scaling factor used during post-filtering)
• 08:44, 21 September 2007 Superdump talk contribs uploaded File:Amrnb gainscalfac.gif (AMR-NB: gain scaling factor used during post-filtering)
• 08:42, 21 September 2007 Superdump talk contribs uploaded File:Amrnb r h.gif (AMR-NB: r_h is used to find the first relection factor, k_1')
• 08:37, 21 September 2007 Superdump talk contribs uploaded File:Amrnb reffac.gif (AMR-NB: first reflection factor used for tilt compensation post-filter coefficient, mu)
• 08:28, 21 September 2007 Superdump talk contribs uploaded File:Amrnb pftilt.gif (AMR-NB: tilt compensation post-filter)
• 08:25, 21 September 2007 Superdump talk contribs uploaded File:Amrnb pfformant.gif (AMR-NB: formant post-filter)
• 10:02, 17 September 2007 Superdump talk contribs uploaded File:Amrnb pitchvecemph.gif (AMR-NB: excitation vector with emphasised pitch vector contribution)
• 10:00, 17 September 2007 Superdump talk contribs uploaded File:Amrnb gainscalexc.gif (AMR-NB: gain-scaled emphasised excitation vector)
• 09:41, 17 September 2007 Superdump talk contribs uploaded File:Amrnb gainfac.gif (AMR-NB: gain scaling factor for the emphasised excitation)
• 17:53, 16 September 2007 Superdump talk contribs uploaded File:Amrnb circconv.gif (AMR-NB: circular convolution of the fixed vector with an impulse response for anti-sparseness filtering)
• 07:48, 15 September 2007 Superdump talk contribs uploaded File:Amrnb fixedgain.gif (AMR-NB: calculate quantified fixed gain )
• 05:50, 15 September 2007 Superdump talk contribs uploaded File:Amrnb fixvecpitshp.gif (AMR-NB: fixed vector pitch sharpening)
• 05:00, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq3-2.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 3)
• 04:59, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq2.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 2)
• 04:58, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq1-2.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 1)
• 04:56, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq3-1.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 3)
• 04:54, 15 September 2007 Superdump talk contribs uploaded File:Amrnb lspinterpq1-1.gif (AMR-NB: linear interpolation of LSP vector ^q at subframe 1)
• 04:50, 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)
• 18:38, 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)
• 18:32, 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)
• 15:34, 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 )
• 11:28, 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)
• 11:25, 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)
• 11:22, 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)
• 11:18, 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)
• 11:09, 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)
• 07:10, 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)
• 06:07, 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)
• 05:51, 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))
• 15:30, 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))
• 15:18, 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)
• 15:12, 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)
• 07:32, 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))