The “.SPX” file extension is associated with Speex, an open-source audio compression format specifically designed for speech. SPX files typically contain audio data that has been compressed using the Speex codec. Speex is optimized for voice-based applications, such as voice over IP (VoIP) and audio streaming.How to open an SPX file:

To open and play an SPX file, you would typically use a media player that supports the Speex format or convert it to a more widely supported audio format. Here are the steps:

1. Media Players:

2. Speex Decoders:

3. Audio Conversion Software:

Programs that may open SPX files:

1. VLC Media Player:

2. Audacity:

Various apps that use files with SPX extension: