Free Online SPX to HTK Converter
SPX
to
HTK
SPX
Speex
An SPX file is a Speex audio file saved within an Ogg Vorbis container. Speex is an open source patent-free audio format designed for speech compression. It supports variable bitrate (VBR) encoding and several features not found in other audio codecs. Some examples include embedded encoding, intensity stereo encoding, and voice activity detection.
HTK
HTK
Single channel 16-bit PCM format used by HTK, a toolkit for building Hidden Markov Model speech processing tools
How To Convert SPX to HTK

Step 1: Upload Files
Click the upload button or drag and drop your SPX files into the upload area.

Step 2: Convert File
Click "Convert" and wait for conversion done

Step 3: Download
Download the converted HTK file