Convert SPX to DSS
Fast, free SPX to DSS conversion — works in any browser
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spx
An audio file with recorded voice messages
| File extension | .spx |
|---|---|
| File category | audio |
| Programs | VLC media player Audacity foobar2000 MPlayer |
| Tech description | https://en.wikipedia.org/wiki/Speex |
| MIME type | audio/ogg; codecs=speex audio/x-speex |
| Developer | Jean-Marc Valin (Xiph.Org) |
This format extension is one of the Speex Audio formats. It is an open-source codec developed by Xiph.Org. Used for creating voice messages and transmitting voice over packet-based networks with a low level of security. It is an audio file with recorded voice messages that are packaged in an OGG file. Only certain media players can open it.
dss
Digital Speech Standard
| File extension | .dss |
|---|---|
| File category | audio |
| Programs | Olympus DSS Player ExpressScribe VLC media player Audacity |
| Tech description | https://en.wikipedia.org/wiki/Digital_Speech_Standard |
| MIME type | audio/dss |
| Developer | International Voice Association (IVA) |
Developed by the International Voice Association, this is a standardized file format for digitized speech. Digital Speech Standard files store information in a high-compression format. You can record an insert or overwrite the sound; the file can also be filled with metadata. This format offers two modes: “Overwrite” and “Enable”. Digital Speech Standard allows for creating voice files suitable for sending via e-mail. This format is powered by IBM ViaVoice software, which enables speech recognition.
FAQ
How to convert DSS to SPX?
Upload your DSS file, select SPX as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert DSS to SPX?
Most DSS files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert DSS files online?
Yes. All uploaded DSS files and converted SPX results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert DSS on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the DSS file and convert to SPX without installing any app.


