Free Online SPH to WAV Converter

The SPH extension identifies files commonly known as SPeech HEader Resources. It is designed for speech, voice recording, communication, or related audio exchange. Players and conversion tools can decode the sound when the expected codec and stream parameters are available.

The WAV extension identifies files commonly known as Waveform Audio File Format. It preserves digital sound with lossless or uncompressed sample storage, making it suitable for editing, mastering, and archival use. Compatible audio tools can play, process, and convert the recording without introducing avoidable generation loss.