Download .SPH Sample Files

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What is an SPH File?

An SPH file usually contains a sound recording of a human in the NIST SPHERE format. These can then be used in speech recognition software as well. The SPH file is in a waveform format that has a 16 kHz sampling rate and uses 16-bit linear PCM.

Unlike many other audio formats, SPH files are not that common, therefore can only be played using a handful of programs.

Download SPH Sample Files

Continue to download .SPH sample files from below that are available in different sizes and audio lengths.

The following programs can be used to open SPH files: