SPH to WAV Converter

Select files for conversion or just drag and drop them to the upload area

How to convert SPH files to WAV online?

Step 1.

Upload SPH-file

Click "Choose File" button to select a sph file on your computer. SPH file size can be up to 50 Mb.
Step 2.

Convert SPH to WAV

Click "Convert" button to start conversion.
Step 3.

Download your WAV

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

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 audio in the linear pulse code modulation (LPCM) format. Audio in WAV files can be encoded in a variety of 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)
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