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Free Sample VOX Files Download
Download free sample VOX audio files featuring 4-bit ADPCM compressed mono sound, ideal for telephony and legacy audio systems.
What Is This Tool?
This resource provides free downloadable sample VOX audio files, a raw audio format commonly used in telephony environments where low bandwidth and small file size are important.
How to Use This Tool?
- Download sample VOX files to test telephony prompts and IVR audio integration.
- Use the files to archive or transport call recordings between systems.
- Play voice prompts on embedded devices with minimal processing power.
- Convert legacy telephony audio archives into modern formats for playback or analysis.
Key Features
- Contains 4-bit Dialogic ADPCM compressed mono audio samples.
- Typically sampled at 8000 Hz with no container headers or metadata.
- Produces very small file sizes ideal for telephony applications.
- Low decoding complexity suitable for embedded and low-power devices.
- Compatible with many telephony toolchains and some legacy utilities.
Examples
- Sample VOX file containing a short voicemail prompt compressed with ADPCM.
- Call recording archived as a VOX file for transport between PBX systems.
- Embedded system voice prompts stored as raw VOX audio for quick playback.
Common Use Cases
- Short telephony prompts and interactive voice response (IVR) audio.
- Archival and exchange of call recordings in telephony systems.
- Voice prompts in embedded devices and firmware requiring minimal decoding.
- Conversion of older telephony audio archives to modern audio formats.
Tips & Best Practices
- Ensure sample rate, channel count, and encoding parameters are known beforehand since VOX files lack metadata.
- Use VOX files primarily for speech or telephony audio rather than music due to limited audio quality.
- Convert VOX files to other audio formats when playing back on general media players for better compatibility.
Limitations
- VOX files do not contain headers or metadata: sample rate and encoding details must be specified externally.
- Audio is low fidelity and lossy due to 4-bit ADPCM compression, making it unsuitable for high-quality audio or music.
- Limited compatibility with common media players without prior format conversion or explicit parameters.
Frequently Asked Questions
- What kind of audio does the VOX format contain?
- VOX files contain mono audio samples compressed with 4-bit Dialogic ADPCM, commonly sampled at 8000 Hz.
- Are VOX files good for high-fidelity music playback?
- No, VOX uses lossy 4-bit compression designed for speech audio and is not suitable for music or high-quality audio.
- Can VOX files be used on general media players?
- VOX files have limited interoperability with common media players and often require conversion or specifying format parameters.
Key Terminology
- VOX File
- A raw audio format containing 4-bit Dialogic ADPCM compressed mono samples without container headers.
- ADPCM Compression
- An audio compression method that reduces data size by encoding differences between samples, used in VOX for low bitrate speech.
- IVR (Interactive Voice Response)
- Telephony technology allowing automated voice menus using prompts often stored as VOX audio files.