Convert SPX to AIFF
Fast, free SPX to AIFF 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.
aiff
AIFF — Audio Interchange File Format
| File extension | .aiff .aif |
|---|---|
| File category | audio |
| Programs | Apple iTunes Apple QuickTime Player VLC media player Audacity Logic Pro |
| Tech description | https://en.wikipedia.org/wiki/Audio_Interchange_File_Format |
| MIME type | audio/aiff audio/x-aiff |
| Developer | Apple Inc. |
AIFF (Audio Interchange File Format) is an uncompressed audio container developed by Apple Inc. in 1988, based on EA IFF 85. AIFF stores raw PCM audio without compression, preserving full audio fidelity — one minute of stereo CD-quality audio (44.1 kHz, 16-bit) occupies approximately 10 MB. The format supports sample depths from 8 to 32 bits and sampling rates up to 192 kHz, making it a standard choice for professional audio production on macOS. AIFF is natively compatible with Apple iTunes, Logic Pro, GarageBand, and most professional DAWs. An extended variant, AIFF-C (AIFC), supports optional compressed audio codecs.
FAQ
How to convert AIFF to SPX?
Upload your AIFF 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 AIFF to SPX?
Most AIFF 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 AIFF files online?
Yes. All uploaded AIFF 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 AIFF 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 AIFF file and convert to SPX without installing any app.
