Convert
Edit
OptimizeFree ASF to SPX Converter
Convert ASF to SPX for free and online, easily convert your video file without needing to download any software or pay any fees
Or drop it here
Maximum file size 200 MB
ASF
Advanced Systems Format
Advanced Systems Format (ASF) is a proprietary video and audio container format developed by Microsoft for streaming media over the Internet.
Main usage
ASF is mainly used for streaming media over the Internet, such as video and audio files.
- Supports multiple audio and video streams
- Supports digital rights management (DRM)
- Supports streaming over the Internet
Main features
SPX
Ogg Speex
Ogg Speex is an audio compression format designed for speech and is based on the open source Speex codec.
Main usage
Ogg Speex is mainly used for voice over IP (VoIP) applications, such as Skype, and for audio streaming applications, such as online radio.
- Low bitrate
- High quality speech compression
- Supports variable bitrate