Convert WAV to SPX Online — Free
Fast, free WAV to SPX converter. No registration required.
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How to Convert
Upload your .wav file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .spx file when it's ready.
What is WAV?
WAV is an uncompressed audio format developed by Microsoft and IBM. It provides perfect audio quality but results in large file sizes.
Format Details
- Full Name
- Waveform Audio File Format
- Extension
- .wav
Key Features
- Lossless quality
- Professional standard
- No compression
- Wide compatibility
What is SPX?
Speex is an open-source audio codec designed specifically for speech. It provides excellent voice compression and is used in VoIP applications and voice recordings.
Format Details
- Full Name
- Speex Audio
- Extension
- .spx
Key Features
- Speech optimized
- VoIP standard
- Open source
- Low latency
WAV vs SPX
| Feature | WAV | SPX |
|---|---|---|
| Full Name | Waveform Audio File Format | Speex Audio |
| Extension | .wav | .spx |
| Best For | Lossless quality | Speech optimized |