Windows - Photo Editing

Primatte Keyer Pro 4 0 for AE and AVX mazuki_darksiderg

  • Download 5x Faster
  • Download torrent
  • Direct Download
  • Rate this torrent +  |  -
Primatte Keyer Pro 4 0 for AE and AVX mazuki_darksiderg

Free and Direct Download with Usenet 300GB+ free


Torrent info

Name:Primatte Keyer Pro 4 0 for AE and AVX mazuki_darksiderg

Total Size: 9.76 MB

Magnet: Magnet Link

Seeds: 0

Leechers: 0

Stream: Watch Online @ Movie4u

Last Updated: 2013-08-30 21:24:16 (Update Now)

Torrent added: 2009-08-28 12:02:55




Torrent Files List


Adobe After Effects (Size: 9.76 MB) (Files: 433)

 Adobe After Effects

  Primatte Keyer Pro 4.0.exe

1.36 MB

 Avid AVX

  Primatte Keyer Pro 4.0 AVX.exe

1.40 MB

 Documentation

  Primatte Keyer Pro 4.0 Help

   Primatte_Keyer_4_Manual.html

0.66 KB

   Source_Files

    baseframe.html

0.30 KB

    copyright.html

2.46 KB

    Deartifacting_AE.html

4.54 KB

    Deartifacting_Avid.html

4.63 KB

    Deartifacting_FCP.html

4.66 KB

    Deartifacting_Motion.html

4.59 KB

    Difficult_footage.html

8.93 KB

    docs.verdana.default.css

1.26 KB

    Getting_Started_AE.html

8.41 KB

    Getting_Started_Avid.html

5.74 KB

    Getting_Started_FCP.html

6.60 KB

    Getting_Started_Motion.html

4.58 KB

    help_overview.html

0.84 KB

    HowItWorks.html

10.07 KB

    images

     3D_Schematic_Rev_b_01.jpg

115.09 KB

     activation.png

24.29 KB

     AE_channelblur.png

16.93 KB

     aftereffects_icon.jpg

4.13 KB

     Alex_FCP-UI.jpg

30.56 KB

     ALEX_grain_1.jpg

3.58 KB

     ALEX_grain_2.jpg

2.48 KB

     ALEX_grain_3.jpg

2.49 KB

     ALEX_grain_4.jpg

2.79 KB

     ALEX_grain_5.jpg

1.69 KB

     alpha_clean_six_controls.png

1.48 KB

     Alpha_cleaner_only.png

2.60 KB

     Alpha_controls.png

25.62 KB

     Alpha_controls_closed.png

7.79 KB

     Amount_slider.png

1.14 KB

     Arrow_tool.png

5.63 KB

     aTutorial_1.jpg

22.84 KB

     aTutorial_10.jpg

47.21 KB

     aTutorial_11.jpg

20.96 KB

     aTutorial_12.jpg

22.74 KB

     aTutorial_13.jpg

22.12 KB

     aTutorial_14.jpg

23.69 KB

     aTutorial_15.jpg

23.65 KB

     aTutorial_16.jpg

34.85 KB

     aTutorial_17.jpg

34.35 KB

     aTutorial_18.jpg

42.23 KB

     aTutorial_19.jpg

42.18 KB

     aTutorial_2.jpg

15.38 KB

     aTutorial_20.jpg

34.84 KB

     aTutorial_21.jpg

25.15 KB

     aTutorial_22.jpg

42.05 KB

     aTutorial_23.png

7.76 KB

     aTutorial_24.jpg

26.74 KB

     aTutorial_25.jpg

24.10 KB

     aTutorial_26.jpg

26.81 KB

     aTutorial_27.jpg

47.65 KB

     aTutorial_28.jpg

47.96 KB

     aTutorial_29.jpg

47.45 KB

     aTutorial_3.jpg

39.54 KB

     aTutorial_30.jpg

44.80 KB

     aTutorial_31.jpg

34.37 KB

     aTutorial_32.jpg

31.88 KB

     aTutorial_33.jpg

31.01 KB

     aTutorial_34.jpg

15.78 KB

     aTutorial_35.jpg

21.02 KB

     aTutorial_36.jpg

22.34 KB

     aTutorial_37.jpg

21.07 KB

     aTutorial_38.jpg

20.54 KB

     aTutorial_39.jpg

20.91 KB

     aTutorial_4.jpg

33.92 KB

     aTutorial_40.jpg

20.49 KB

     aTutorial_41.jpg

20.25 KB

     aTutorial_5.jpg

59.38 KB

     aTutorial_6.jpg

26.92 KB

     aTutorial_7.jpg

13.84 KB

     aTutorial_8.jpg

8.79 KB

     aTutorial_9.jpg

6.40 KB

     Auto_compute.png

2.14 KB

     Avid_alphaclean_controls.png

1.27 KB

     Avid_alphaclean_menu.png

4.24 KB

     Avid_autocompute.png

1.73 KB

     Avid_basic_controls_menu.png

9.32 KB

     Avid_basic_correction.png

7.23 KB

     Avid_cm_highlights.png

0.60 KB

     Avid_cm_midtones.png

0.60 KB

     Avid_cm_shadows.png

0.61 KB

     Avid_cm_strength.png

0.62 KB

     Avid_colormatch_controls.png

1.80 KB

     Avid_complete_controls.png

8.73 KB

     Avid_composer_selection.jpg

25.62 KB

     Avid_deart_strength.png

0.61 KB

     Avid_deartifacting.png

3.94 KB

     Avid_detailplusminus.png

4.16 KB

     Avid_edge_color_menu.png

3.46 KB

     Avid_expert_controls.png

1.36 KB

     Avid_grain_controls_menu.png

3.06 KB

     Avid_grain_controls_nomenu.png

0.98 KB

     Avid_grain_Median.jpg

4.82 KB

     avid_icon.png

4.96 KB

     Avid_lightwrap_blendmenu.png

4.00 KB

     Avid_lightwrap_compmenu.png

4.23 KB

     Avid_lightwrap_controls.png

1.34 KB

     Avid_MakeFGTrans.png

7.97 KB

     Avid_matte_controls.png

0.90 KB

     Avid_matte_sponge.png

7.09 KB

     Avid_matteplusminus.png

4.80 KB

     Avid_pkp4_apply.png

3.27 KB

     Avid_pkp4_maininterface.png

9.13 KB

     Avid_Refinement_controls.png

7.51 KB

     Avid_replace_color.png

0.63 KB

     Avid_restore_detail.png

7.93 KB

     Avid_spill_alex_after.jpg

44.63 KB

     Avid_spill_alex_before.jpg

37.69 KB

     Avid_spillkiller_controls.png

0.96 KB

     Avid_spillkiller_menu.png

2.25 KB

     Avid_spillplusminus.png

5.20 KB

     Avid_spillsponge.png

8.32 KB

     Base_color_a.png

0.92 KB

     Base_color_b.png

0.84 KB

     Base_color_selector.png

0.84 KB

     BG_blur_slider.png

1.92 KB

     BG_defocus_layer_selector.png

1.27 KB

     BG_defocus_sel.png

4.18 KB

     BG_Replacement_color_button.png

0.81 KB

     Bgclean.jpg

1.86 KB

     Bgdirty.jpg

3.12 KB

     brightness_slider.png

1.83 KB

     CleanBG_bad_a.jpg

4.89 KB

     CleanBG_bad_b.jpg

2.98 KB

     CleanBG_button.png

1.44 KB

     CleanBG_image_a.jpg

6.14 KB

     CleanBG_image_a_mot.jpg

53.03 KB

     CleanBG_image_b.jpg

3.21 KB

     CleanBG_image_b_mot.jpg

17.41 KB

     CleanFG_button.jpg

13.14 KB

     CleanFG_image_a.jpg

3.95 KB

     CleanFG_image_b.jpg

3.63 KB

     Cleaning_mode.png

3.14 KB

     Cleaning_mode_closed.png

1.43 KB

     Col_Match_enable.png

3.69 KB

     Col_Match_hilites.png

4.61 KB

     Col_Match_midtones.png

4.54 KB

     Col_Match_Shadows.png

4.59 KB

     Col_match_strength_slider.png

4.58 KB

     Color_Match_strength_image_a.png

312.88 KB

     Color_Match_strength_image_b.png

311.40 KB

     Color_matcher_closed.png

4.25 KB

     ColorMode_selector.png

5.42 KB

     Compmode_slector.png

9.58 KB

     Composite_control_closed.png

3.86 KB

     Composite_controls_closed.png

5.76 KB

     CompReplace.jpg

15.49 KB

     Correction_tools_1.png

7.96 KB

     Deartifacting_1_a.jpg

17.86 KB

     Deartifacting_1_b.jpg

10.48 KB

     Deartifacting_2_a.jpg

9.49 KB

     Deartifacting_2_b.jpg

9.41 KB

     Deartifacting_GUI.png

6.01 KB

     Deartifacting_GUI_2.png

6.59 KB

     Decrease_opacity_button.png

1.18 KB

     Defocus_Matte_image_a.jpg

7.22 KB

     Defocus_Matte_image_b.jpg

6.88 KB

     Defocus_matte_slider.png

1.04 KB

     defocus_menu.png

7.83 KB

     Defocus_replace.jpg

38.12 KB

     demo_watermark.png

146.77 KB

     Detail_minus_button.png

1.20 KB

     Detail_plus_button.png

1.36 KB

     detail_plus_minus_image.jpg

12.81 KB

     Detail_slider.png

3.85 KB

     Detail_slider_a.jpg

6.80 KB

     Detail_slider_b.jpg

6.27 KB

     Effects_Primatte.png

6.06 KB

     Enable_spill_selector.png

1.05 KB

     Explanation_Rev_b_01.jpg

126.49 KB

     FCP_AlphaCleaner.png

4.05 KB

     FCP_AlphaCleaner_menu.png

3.47 KB

     FCP_autosetup_button.png

0.72 KB

     FCP_BGLayer.png

1.47 KB

     FCP_cleanBGarea_button.png

4.60 KB

     FCP_CleanFGarea_button.png

4.52 KB

     FCP_CleaningMode.png

4.46 KB

     FCP_ColorMatch_enable.png

1.31 KB

     FCP_colorMatch_strength_slider.png

0.86 KB

     FCP_ColorMatcher_highlites.png

1.70 KB

     FCP_ColorMatcher_midtones.png

1.66 KB

     FCP_ColorMatcher_open.png

5.20 KB

     FCP_ColorMatcher_shadows.png

1.68 KB

     FCP_CompControls.png

3.13 KB

     FCP_Correction_tools.png

33.33 KB

     FCP_deartifacting.png

2.32 KB

     FCP_deartifacting_open.png

9.97 KB

     FCP_deartifacting_slider.png

1.21 KB

     FCP_Defocusmatte_slider.png

0.79 KB

     FCP_DetailMinus_button.png

0.61 KB

     FCP_DetailPlus_button.png

0.55 KB

     FCP_DetailSlider.png

10.25 KB

     FCP_EdgeColor_Replace_menu.png

3.87 KB

     FCP_EdgeColorReplace.png

4.72 KB

     FCP_FG_vs_Matte_view.png

0.89 KB

     FCP_FGOpacity_button.png

0.55 KB

     FCP_FinaeTunig_button.png

4.27 KB

     FCP_FineTuningSliders.jpg

36.81 KB

     FCP_Grain_type_menu.png

3.68 KB

     FCP_GrainControls.png

4.51 KB

     FCP_GrainType.png

1.21 KB

     FCP_GrainValue_slider.png

0.77 KB

     fcp_icon.jpg

6.38 KB

     FCP_inward_matte_focus_button.png

1.34 KB

     FCP_Keying_closed.png

1.62 KB

     FCP_LightWrap_BGBlur_slider.png

0.93 KB

     FCP_LightWrap_bright_slider.png

0.84 KB

     FCP_LightWrap_CompMode_menu.png

5.16 KB

     FCP_LightWrap_enable.png

2.18 KB

     FCP_LightWrap_op_open.png

4.30 KB

     FCP_LightWrap_open.png

4.10 KB

     FCP_LightWrap_width_slider.png

0.77 KB

     FCP_MatteMinus_button.png

0.59 KB

     FCP_MattePlus_button.png

0.57 KB

     FCP_MatteSponge_button.png

0.64 KB

     FCP_pixel_sample.jpg

2.37 KB

     FCP_Pri_IF_a.jpg

86.93 KB

     FCP_Pri_IF_closed.jpg

37.45 KB

     FCP_rect_pix_sample.png

2.01 KB

     FCP_Rect_sample.jpg

2.54 KB

     FCP_repalcement_col_sel.png

2.23 KB

     FCP_Reset_button.png

0.72 KB

     FCP_Restore_detail_button.png

0.61 KB

     FCP_sample_alex_samplewindow.png

35.72 KB

     FCP_Sample_buttons.png

30.52 KB

     FCP_seq_window_a.jpg

23.37 KB

     FCP_SetBGColor_button.png

1.69 KB

     FCP_ShrinkMatte_slider.png

0.74 KB

     FCP_spill_killer_strength_slider.png

0.81 KB

     FCP_SpillKiller_enable.png

1.60 KB

     FCP_SpillKiller_menu.png

4.15 KB

     FCP_SpillKiller_open.png

3.12 KB

     FCP_Spillkiller_Range_slider.png

0.79 KB

     FCP_Spillkiller_tol_slider.png

0.87 KB

     FCP_SpillMinus_button.png

0.57 KB

     FCP_SpillPlus_button.png

0.54 KB

     FCP_SpillSlider.png

10.10 KB

     FCP_SpillSponge_button.png

0.62 KB

     FCP_TuneApply_button.png

9.95 KB

     FCP_View_BG_output.jpg

11.40 KB

     FCP_View_Crop_output.jpg

4.01 KB

     FCP_View_FG_output.jpg

6.85 KB

     FCP_View_Final_output.jpg

11.23 KB

     FCP_View_Matte_output.jpg

4.96 KB

     FCP_View_Preproc_output.jpg

16.14 KB

     FCP_Viewmode_open.png

4.34 KB

     FCP_Zoom.png

38.13 KB

     Fgclean.jpg

1.96 KB

     Fgdirty.jpg

2.32 KB

     Filters_FCP.png

10.56 KB

     FineTune_button.png

0.97 KB

     FPC_TransSlider.png

10.07 KB

     Gamma_controls_only.png

2.94 KB

     Gem_alpha_cleaner_settings.png

4.06 KB

     Gem_bad_base.jpg

27.19 KB

     Gem_before_dark.jpg

18.51 KB

     Gem_cc_masked.jpg

26.37 KB

     Gem_channel_clean_after.jpg

26.62 KB

     Gem_channel_clean_before.jpg

27.26 KB

     Gem_colorcorrect_after.jpg

41.13 KB

     Gem_final_output.jpg

23.85 KB

     Gem_full_image_cc.jpg

31.39 KB

     Gem_hole_fixed.jpg

6.68 KB

     Gem_hole_in_matte.jpg

9.44 KB

     Grain_median.png

0.71 KB

     Grain_tools.png

1.85 KB

     Grain_type_menu.png

3.04 KB

     Grain_type_selector.png

1.19 KB

     Grain_Valus_slider.png

0.97 KB

     Header_graphic.png

4.25 KB

     Header_graphic_PKP.png

5.97 KB

     Inward_defocus.png

0.82 KB

     Inward_Defocus_image_a.jpg

7.22 KB

     Inward_Defocus_image_b.jpg

6.87 KB

     Keyer_selected.png

2.07 KB

     Keyer_unselected.png

2.05 KB

     Keying_IF.png

22.19 KB

     License_key.png

15.51 KB

     Light_wrap_operation_open.png

7.09 KB

     Lightwrap_enable.png

3.62 KB

     Lightwrap_image_a.png

283.34 KB

     Lightwrap_image_b.png

276.25 KB

     Lightwrap_image_c.png

206.96 KB

     Lightwrap_image_d.png

53.59 KB

     Lightwrap_main.png

6.37 KB

     Matte_minus_button.png

1.20 KB

     Matte_plus_button.png

1.36 KB

     Matte_plus_minus_image.jpg

14.66 KB

     Matte_sponge_button.png

1.32 KB

     MBColorista_Hue_sat.jpg

47.58 KB

     Mot_alpha_cleaner.png

4.84 KB

     Mot_alphaclean_menu.png

5.07 KB

     Mot_bg_layer.png

2.92 KB

     Mot_color_replace.png

5.38 KB

     Mot_color_replace_opt.png

2.97 KB

     Mot_colormatch.png

4.84 KB

     Mot_colormatch_highlight.png

1.77 KB

     Mot_colormatch_midtone.png

1.72 KB

     Mot_colormatch_shadow.png

1.75 KB

     Mot_compcontrols.png

11.62 KB

     Mot_deartifacting.png

2.14 KB

     Mot_deartifacting_open.png

3.80 KB

     Mot_Filters.png

9.75 KB

     Mot_grain_controls.png

3.95 KB

     Mot_keyer_in_timeline.png

9.89 KB

     Mot_keying_options.png

4.83 KB

     Mot_keying_reset.png

5.65 KB

     Mot_lightwrap.png

4.15 KB

     Mot_lightwrap_compmode.png

6.59 KB

     Mot_lightwrap_operate_menu.png

4.63 KB

     Mot_matte_controls.png

2.66 KB

     Mot_Pri_GUI.png

13.63 KB

     Mot_Pri_IF.jpg

77.93 KB

     Mot_Reset.png

1.90 KB

     Mot_spill_fine_tuning.png

1.54 KB

     Mot_spillkiller_controls.png

3.29 KB

     Mot_spillkiller_menu.png

3.52 KB

     Mot_strength_deartifact.png

1.13 KB

     motion_icon.jpg

8.00 KB

     Note.png

5.37 KB

     Point_Sampling.jpg

17.42 KB

     Polys_3a.jpg

5.63 KB

     Polys_3b.jpg

2.11 KB

     Premiere_icon.jpg

3.98 KB

     Prim_GUI_Minimized.png

8.11 KB

     Primatte_AE_GUI_initial.PNG

63.44 KB

     Primatte_GUI.png

23.67 KB

     Rect_Sampling.jpg

17.03 KB

     Refinement_buttons.png

2.86 KB

     Register_Here.png

11.25 KB

     Replacement_color_sel.png

0.79 KB

     replacement_menu.png

2.48 KB

     Replacement_method.png

1.20 KB

     Restore_detail_button.png

1.22 KB

     Restore_Detail_image_a.jpg

14.75 KB

     Restore_Detail_image_b.jpg

14.67 KB

     Right_split.png

2.87 KB

     Sample_on_off.png

0.75 KB

     Sample_Spheres_Step_1.jpg

69.97 KB

     Sample_Spheres_Step_2.jpg

65.70 KB

     Sample_Spheres_Step_3.jpg

64.40 KB

     Sampling_style.png

2.47 KB

     SelectBG_button.png

1.03 KB

     SelectBG_image_a.jpg

34.50 KB

     SelectBG_image_a_FCP.jpg

21.52 KB

     SelectBG_image_b.jpg

41.48 KB

     SelectBG_image_b_FCP.jpg

14.29 KB

     Selected.jpg

30.42 KB

     Selection_tools.png

5.12 KB

     Shrink_Matte_image_a.jpg

9.86 KB

     Shrink_Matte_image_b.jpg

9.34 KB

     Shrink_Matte_image_c.jpg

9.02 KB

     Shrink_Matte_image_c.png

28.00 KB

     Shrink_Matte_image_d.png

13.24 KB

     Shrink_matte_slider.png

1.02 KB

     SolidReplace1.jpg

13.02 KB

     SolidReplace2.jpg

13.58 KB

     Spheres_4a.png

64.47 KB

     Spheres_4b.png

79.11 KB

     Spheres_4c.png

101.65 KB

     Spheres_4d.png

115.07 KB

     Spill_killer_closed.png

4.42 KB

     Spill_Killer_image_a.jpg

29.72 KB

     Spill_Killer_image_a.png

295.61 KB

     Spill_Killer_image_b.jpg

27.78 KB

     Spill_Killer_image_b.png

247.12 KB

     Spill_killer_Range_slider.png

1.98 KB

     Spill_killer_strength_slider.png

1.92 KB

     Spill_killer_tol_slider.png

1.99 KB

     Spill_minus_button.png

1.16 KB

     Spill_plus_button.png

1.31 KB

     Spill_plus_minus_image.jpg

8.98 KB

     Spill_slider.png

0.76 KB

     Spill_slider_a.jpg

6.10 KB

     Spill_slider_b.jpg

6.21 KB

     Spill_slider_c.png

7.50 KB

     Spill_slider_d.png

7.57 KB

     Spill_slider_e.jpg

5.79 KB

     Spill_slider_f.jpg

5.78 KB

     Spill_sponge_button.png

1.55 KB

     Spill_sponge_image_a.jpg

19.98 KB

     Spill_sponge_image_b.jpg

19.94 KB

     Split_Screen.jpg

40.38 KB

     split_screen_selector.png

0.89 KB

     Strength_slider.png

1.14 KB

     Trans_slider_a.jpg

17.47 KB

     Trans_slider_b.jpg

16.11 KB

     Transparency_slider.png

0.94 KB

     Unselected.jpg

36.97 KB

     Untitled-1.png

5.35 KB

     View_controls.png

7.40 KB

     Width_slider.png

1.77 KB

    Installation.html

2.88 KB

    Keying_AE.html

3.90 KB

    Keying_Avid.html

3.77 KB

    Keying_FCP.html

4.07 KB

    Keying_Motion.html

2.96 KB

    KeyingAlpha_AE.html

6.62 KB

    KeyingAlpha_Avid.html

5.76 KB

    KeyingAlpha_FCP.html

5.63 KB

    KeyingAlpha_Motion.html

5.39 KB

    KeyingComposite_AE.html

12.12 KB

    KeyingComposite_Avid.html

11.79 KB

    KeyingComposite_FCP.html

12.37 KB

    KeyingComposite_Motion.html

11.37 KB

    KeyingCorrection_AE.html

19.54 KB

    KeyingCorrection_Avid.html

20.17 KB

    KeyingCorrection_FCP.html

20.12 KB

    KeyingCorrection_Motion.html

19.24 KB

    KeyingRefinement_AE.html

4.79 KB

    KeyingRefinement_Avid.html

4.75 KB

    KeyingRefinement_FCP.html

4.76 KB

    KeyingRefinement_Motion.html

4.79 KB

    KeyingSample_FCP.html

15.62 KB

    KeyingSample_Motion.html

15.17 KB

    KeyingSelection_AE.html

17.85 KB

    KeyingSelection_Avid.html

17.86 KB

    KeyingView_AE.html

3.47 KB

    KeyingView_Avid.html

3.47 KB

    KeyingView_FCP.html

5.24 KB

    KeyingView_Motion.html

3.74 KB

    navigation.html

4.51 KB

    newfeatures.html

3.22 KB

    PrimatteTutorial.html

19.44 KB

    RGS_license.html

8.28 KB

    support.html

1.69 KB

    SystemReq.html

1.31 KB

    top.html

0.39 KB

    whatisnew.html

2.27 KB

 readme.txt

0.09 KB

 tracked_by_h33t_com.txt

0.02 KB
 

Announce URL:

Torrent description

Primatte Keyer Pro 4.0 for AfterEffects and AVX

Primatte Keyer is a professional greenscreen tool that extracts keys from any color background quickly and easily. Version 4 brings new levels of power and speed to After Effects and Avid, and for the first time, Final Cut Pro. New features include easy-to-use Auto setup, which creates an almost-perfect key with one click. Powerful features allow Primatte Keyer to overcome keying challenges such as uneven lighting, compression artifacts, subtle shadows, and edge light contamination. Best of all, Primatte Keyer 4 works right on the timeline.

Features:
-Simple user interface for generating mattes.
-Shoot on consumer video formats and deliver high-quality keys
-Easily extracts transparent objects such as water, smoke, and hair.
-Deartifacting input correction for all formats including DV and HDV
-Place people, products, or cinematic elements onto any background
-Automatically adjust a clip's color to match the composite environment by blending its tonal and exposure ranges.
-Integrated secondary spill removal, simple and accurate Color Matching, and Light wrap built in to the keying interface.

Upgrade includes:
-Now supports Avid, After Effects CS3, and Final Cut Pro
-New Auto Setup generates a perfect key in seconds
-Version 4 offers a 3x speed increase over previous versions

System Requirements:
-XP SP 1 32-bit
-Vista 32-bit
-Pentium 4 2.4 GHz
-1GB of RAM
-15 MB of Hard Drive space
-64-bit systems not supported.


Tracker: http://www.h33t.com:3310/announce
Tracker: http://open.tracker.thepiratebay.org/announce

Size: 9.75 MBs

Info Hash: 6b94ea6ad016c5fdbe5665e552cdf11e05c5dabd

install, use the serial from the readme.txt to register.

enjoy

-mazuki

related torrents

Torrent name

health leech seeds Size
 

comments (0)

Main Menu