Smash That Voice
Introduction
Ever since 14.4kbs modems appeared on the market it seems like
everyone and their brother has been trying to get into the
audio over the internet business. Wheather it is point to point
telephone communication, vmail (voice email), or a internet
radio type application, all these applications will use some
sort of compression to squeeze the content down to a size that
will fit over todays modems.
This has led me into an interest in speech and other audio compression
technologies. I have experemented in a few different ways of compressing
audio and have built some tools that are usefull when exploring
the wonderfull world of audio compression.
Tools
- Graph - graphs 2 or more corresponding samples with scrolling and zoom.
- Tone - Generates a sample tone of any frequency.
Compression Code
- ADPCM - Simple Adaptive PCM code, ~8:1 compression.