SPH to WAV Converter

Batch convert sph files to wav online. Change sph to wav on Windows, Mac, iPhone and Android in 2 clicks.

Select files for conversion or drag and drop them to the upload area.
Your files are securely protected and available only to you.
All files are automatically deleted from our servers after 1 hour.

How to convert SPH files to WAV online?

Step-by-step instructions for converting sph files to wav

Upload SPH-file

Click "Choose File" button to select a sph file on your computer. SPH file size can be up to 100 Mb.

Convert SPH to WAV

Click "Convert" button to start conversion.

Download your WAV

When the conversion process is complete, you can download the WAV file.


  • ❓ How can I convert SPH to WAV?
    First you need to add file for conversion: drag and drop your SPH file or click the "Choose File" button. Then click the "Convert" button. When SPH to WAV conversion is completed, you can download your WAV file.
  • ⏱️ How long does it take to convert SPH to WAV?
    Audio conversion is pretty fast. You can change SPH to WAV in a few seconds.
  • 🛡️ Is it safe to convert SPH to WAV on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 1 hour. No one has access to your files. File conversion (including SPH to WAV) is absolutely safe.
  • 💻 Can I convert SPH to WAV on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our SPH to WAV converter works online and does not require software installation.

Information about SPH and WAV file formats

Full name NIST SPHERE Audio File WAV - Waveform Audio File Format
File extension .sph .wav .wave
MIME type audio/vnd.wave, audio/wav, audio/wave, audio/x-wav
Developed by Institute of Standards and Technology (NIST) Microsoft & IBM
Type of format audio file format, container format
Description Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems. Waveform Audio File Format is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs. It is the main format used on Windows systems for raw and typically uncompressed audio. The usual bitstream encoding is the linear pulse-code modulation (LPCM) format.
Technical details Though a WAV file can contain compressed audio, the most common WAV audio format is uncompressed in the linear pulse code modulation (LPCM) format. In addition, audio in WAV files can be encoded in various audio coding formats, such as GSM or MP3, to reduce the file size.
File conversion SPH conversion WAV conversion
Associated programs SoX ALLPlayer, VLC media player, Media Player Classic, MPlayer, RealPlayer, Winamp.
Wiki https://www.nist.gov/ https://en.wikipedia.org/wiki/WAV
SPH to WAV conversion quality rating:
4.3 (337 votes)
You need to convert and download at least 1 file to leave a rating!