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Modern operating systems have dropped support for legacy Microsoft (WMV) and RealMedia (RMVB) formats. External codecs on your phone won't play these. Therefore, nPlayer must use its internal codec (software decoding) for these files.
nPlayer has two main versions: nPlayer (paid, formerly "nPlayer Plus") and nPlayer Lite (free with ads). There is a critical difference regarding codecs.
If you are using nPlayer Lite and get "Unknown Audio Format," you either need to: nplayer external codec
✅ Done! Your external codec is now active.
There are three main reasons to enable this feature: Modern operating systems have dropped support for legacy
Benefits
Tradeoffs
Most users will never need to touch the external codec settings. The native playback engine in nPlayer is exceptionally strong. However, you might need an external codec if:
The process is straightforward, but hidden slightly within the settings menu. If you are using nPlayer Lite and get
Note: You may need to restart the app or restart your current video for the change to take effect.
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