When comparing Audacious vs Winamp, the Slant community recommends Winamp for most people. In the question“What are the best audio players for Windows?” Winamp is ranked 5th while Audacious is ranked 20th. The most important reason people chose Winamp is:
Modern features are essential for power listeners nowadays, proving that Winamp (while an old app) still offers features users look for in a modern player.
Specs
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Pros
Pro Streamlined player not weighed down by unnecessary options
Audacious is a classic music player at heart that has not felt the need to weigh itself down with an assortment of unnecessary options. Advanced functionality can be attained through plugins available from within the program.
Pro Tons of plugins
Pro Lightweight
My audacious uses only 18.5 MB of RAM. It has a Winamp visualization style that's very minimized and convenient.
Pro Support for Winamp themes
Audacious can switch from its GTK interface to one that matches the looks of the famous Winamp player. What's even better is that this interface supports any Winamp themes, which allows for more options.
Pro Folder oriented player, but able to play any music container and highly configurable
Lets you play, delete and even change metadata of your music files.
Pro The easiest player for multiple types of files
It plays dts, aac multichannel, etc.
Pro Compatibility with most media formats
It's able to reproduce most of media formats without external plugins.
Pro RSS, Atom Podcasts, and Internet Radio streams (among other modern features) are available
Modern features are essential for power listeners nowadays, proving that Winamp (while an old app) still offers features users look for in a modern player.
Pro A huge selection of skins are available
Winamp allows skinning the interface and there are thousands of community created skins available.
Pro Functionality can be extended via plugins
A wide variety of DSP, input, and visualization plugins have been created by the community.
Pro Great search and Playlist functionality
Considerable functions to search and develop playlists.
Pro Good sound quality
The sound quality of Winamp is good, especially with DSP plugins like enhancer.
Pro HTTP streaming support
HTTP streaming is necessary for both live and on-demand content, which it can deliver without lengthy buffering or waiting periods. It is also less susceptible to network hiccups than other forms of streaming.
Cons
Con No manual sorting fields
There is no option to add one's own categories to the sorting fields.
Con Updates are not very frequent
Con No bit perfect output past 24bit
Audiophiles require this, and while most users might not notice a difference, audiophiles will appreciate the improved audio quality.
Con Buggy
For example when using Visual Studio Code and Audacious you get flicked out to the gnome login screen.
Con Relatively poor quality audio
Compared to other players, Winamp doesn't offer high quality audio.
Reason for Winamp's lesser audio quality compared to other modern audio players is that it uses deprecated audio output interfaces (APIs). In fact since Windows Vista onward, those APIs Winamp is using (such as DirectSound, WaveOut) are emulated in software mixer for compatibility purposes further distancing the audio path from the hardware.
Modern audio players support modern WASAPI audio output for direct access to the audio hardware (especially in WASAPI exclusive mode). For more info see Wikipedia's entry on DirectSound.
Con No Major updates
There are no major updates since version 5.
Con Heavy
At the beginning it was simple to download and install, now it has so many things it became very heavy to download.
Con Cluttered interface
With all controls, skins, and options it's hard to find the basic commands.