Audio Conversion

Aspose Audio Conversion is a free app to convert Audio format. Convert Audio online from Mac OS, Linux, Android, IOS, and anywhere.

Supported Documents: any audio or video file
Convert to: AAC, AIFF, FLAC, M4A, MP3, WAV, WMA, AC3, CAF, OGG

SPX Ogg Vorbis Speex File

An SPX file is an audio file saved in the Ogg Vorbis container format and encoded with the Speex Audio codec. It supports voice compression at 2 to 44 kbps and supports 8 kHz, 16 kHz, and 32 kHz compression in the same bitstream.

FLAC Free Lossless Audio Codec

FLAC(Free Lossless Audio Codec) is a lossless compression audio coding format developed by Xiph.Org Foundation. FLAC is a royalty-free open format that is saved with the .flac extension. Digital audio compressed using the FLAC algorithm is typically reduced to 50 to 70 percent in size.

How to convert spx files

Click inside the file drop area to upload a spx file or drag and drop a spx file.
Your spx file will be uploaded and will be converted to other format.
Download link of result file will be available instantly after conversion.
You can also send a link to the spx file to your email address.
Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Fast and Easy Conversion

Upload your document, choose the save format type and click on “Convert” button. You will get the download link as soon as the file is converted.

Convert from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Conversion Quality

Other Supported Conversions

You can also convert other file formats. Please see the list below.

Conversion	TextToSpeech	Cutter	Merger	Splitter
RemoveNoise	Compress	SpeedChanger	Reverse	VolumeChanger
Mix	VoiceRecorder	FadeInOut	Editor

Free online SPX to FLAC converter

Convert SPX to FLAC online from any device, with a modern browser like Chrome, Opera and Firefox.