Nullsoft Winamp is a fast, flexible and high-fidelity media player for Windows. Winamp supports playback of many audio (MP3, OGG, AAC, WAV, MOD, XM, S3M, IT, MIDI, etc) and video types (AVI, ASF, MPEG, NSV), custom appearances called skins (supporting both classic Winamp 1.x/2.x skins and Winamp 3 freeform skins), audio visualization and audio effect plug-ins (including two industry dominating visualization plug-ins), an advanced media library, Internet radio and TV support, CD ripping, and CD burning. Winamp 5.5 comes bundled with the latest version of the ground breaking AVS (Advanced Visualization Studio) and Milkdrop visualizers. Enjoy over 100 bundled visualization presets created by users. Switch between presets manually or sit back and watch your presets on Random.

Features:
» Now Playing: Discover Artist Songs, Videos, Radio and Photos
» AOL Radio Powered by CBS Radio
» Expanded Flash video support
» Media Monitor: Playing music on the web just got even better
» Language packs available in Chinese, Japanese and Korean
» Updated Winamp toolbar - control Winamp from your browser
» A Redesigned Unified Interface, including Album Art
» Remote Music and Video Playback and Sharing
» Dynamic Song Recommendations Playlist Feature
» Multi-channel MP3 Surround Support
» Mass Auto-Tagger Provides Latest Music Metadata
» Integrated Web Search for Artist and Track Information
» Album Art Support for Portable Devices
» Updated Podcast Directory and Download Manager
» Fully Integrated Web browser and customizable links
» New Visualizer Plug-in - Milkdrop 2
» Portable Device Sync support
» Expanded Podcast Directory
» Smart views with new pre-sets for dynamic playlists
» Plays an insane amount of audio and video types
» Compatible with Winamp 2 Plug-ins
» Full Support for Classic Skins
» Full Support for Modern Skins
» Access over 18,000 SHOUTcast Radio Stations
» Enjoy thousands of free songs and videos
» Playback the AOL Video catalogue of video content
» Listen to AOL Radio stations
» Download thousands of Skins and Plug-ins

Features of Pro-version:
» Rips CDs to MP3
» Rips CDs to aacPlus, AAC, WMA
» Rip to HE-AAC
» Burn CDs

New features:
» Improved iPod Sync Support
» New iTunes Library Import
» New Online Services Gallery
» New OurStage Radio Online Services
» New Spinner MP3 of the Day Online Service
» New Turkish, Romanian and Portuguese Language Packs

Winamp 5.55:
* New: Turkish, Portuguese-BR & Romanian installer translations and language packs
* New: WBM system for lazy-loading of *.w5s files
* New: [Bento skin] Playlist tab (optional)
* New: [ml_impex] iTunes-compatible Media Library database import/export plugin
* Improved: [gen_ff] Faster & no flicker when loading/switching skins
* Improved: [gen_jumpex] New ‘Add to Library’ shell menu item & other tweaks
* Improved: [gen_jumpex] True unicode search support
* Improved: [gen_ml] Optional alternating row colors for list views
* Improved: [gen_ml] Optional skinned menus
* Improved: [in_mod] Experimental ExtendedRead support (transcoding, burning, etc)
* Improved: [in_mod] Now uses global Playback config for thread priority
* Improved: [in_mp3] APEv2 tag editing/creating tweaks
* Improved: [in_mp3] Show instantaneous bitrates for AAC VBR
* Improved: [ml_local] Media Library searches now ignore diacritics
* Improved: [ml_local] New ‘Category’ and ‘Lossless’ database fields
* Improved: [ml_local] New playcount Tracking Control options
* Improved: [ml_local] New ‘Play/Enqueue random’ item for top level filters
* Improved: [ml_online] New toolbar and various other tweaks & optimizations
* Improved: [ml_online] Support for 3rd-party Services
* Improved: [vis_milk2] Pixel Shader 2.0 & 3.0 support tweaks
* Improved: [vis_nsfs] Unicode title display for currently playing track
* Improved: [Winamp Agent] Localization support
* Improved: [Winamp Modern skin] New spectrum vis options
* Fixed: Accessibility fixup for Format Info string in Alt+3 dialog
* Fixed: Genre not being saved with Autotag feature in Alt+3 dialog
* Fixed: Memory leaks in in_mp3, in_wm, gen_dropbox, ml_local, ml_pmp & tagz.w5s
* Fixed: New version check can’t be disabled when anon statistics is enabled
* Fixed: Rare crash when closing vis window
* Fixed: Various issues when starting/stopping/switching vis plugins
* Fixed: [Agent] Systray icon not showing if ‘Play in Winamp’ removed in Shell Options
* Fixed: [enc_flac] 24-bit FLAC encoding
* Fixed: [gen_jumpex] Shell Options, B Hotkey, Send To menus & other misc bugs
* Fixed: [gen_ml] Library button resize glitch
* Fixed: [in_cdda] Potential cddb Disc null pointer crash
* Fixed: [in_flac] Albumartist & Ensemble fields not cleared when deleting Album Artist
* Fixed: [in_flac] Track restarts when updating metadata
* Fixed: [in_mp3] Potential ID3v2.0/2.1 crash issue
* Fixed: [in_mp4] Empty genre metadata field (eg. when transcoding from flac to m4a)
* Fixed: [in_mp4] Long hangs on slow network drives
* Fixed: [libsndfile] AIFF buffer overflow vulnerabilty (thanks milw0rm/secunia)
* Fixed: [ml_disc] Potential crash on exit
* Fixed: [ml_disc] ‘Use uppercase file extensions’ ripping option not being respected
* Fixed: [ml_history] Tracking still updates if playback stopped before specified time
* Fixed: [ml_local] Broken ‘Create Playlist’ button functionality in local media
* Fixed: [ml_local] Remove missing files broken with some older/corrupt databases
* Fixed: [ml_wire] Columns sometimes hidden in Downloads view
* Fixed: [ml_plg] Multiple ‘Failed to initialize’ error messages
* Fixed: [ml_pmp] Crash when deleting playlists/files from a P4S portable device
* Fixed: [ml_pmp] Metadata hooking, transcoder, autofill and other bug fixes
* Fixed: [nde] Albums with % in title not displaying tracklist in local media views
* Fixed: [out_ds] Logarithmic volume control dB display glitch
* Fixed: [pmp_ipod] Deletion of non-existent files from database
* Fixed: [pmp_ipod] Reading of Play Count statistics
* Fixed: [pmp_ipod] Various database, albumart, playback & disconnection issues
* Misc: More miscellaneous general tweaks, improvements, fixes and optimizations
* Misc: New “Send Feedback” item in the Help menu
* Misc: Note that changes made to the ml database are not backwards compatible!
* Misc: Removed some older Milkdrop presets and added some newer ones
* Misc: Separated vlb.w5s and nsvdec_vp3.dll decoders from in_mp3 and in_nsv
* Misc: Separated timer from gen_ff into timer.w5s
* Updated: Gracenote CDDB/MusicID v2.6.0.6
* Updated: libpng 1.2.35
* Updated: Sonic Burning Engine v4.10.32.502
* Updated: [gen_jumpex] JTFE v1.0.4
* Updated: [in_mp3] Fraunhofer Decoder v4.3
* Updated: [lame_enc] LAME 3.98.2
* Updated: [vis_avs] AVS v2.82

Changes in Winamp 5.551:
* Fixed: [libsndfile] CAF Processing Integer Overflow Vulnerability
* Updated: libsndfile 1.0.19

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