Crossway has posted a long article (4,000 words) about how they moved from chapter-length RealAudio streams to verse-level Flash audio and MP3s at the ESV Online Edition. It’s pretty technical and includes source code.
We hit the high points below.
- They originally divided each chapter’s audio into verses (“versified”) the New Testament using Audacity, which took 240 minutes of work for every sixty minutes of audio.
- They used SMIL to point visitors to specific segments of RealAudio streams provided by the Bible Gateway.
- Later, they developed a better way of versifying using Windows Media Player and scripting to improve versifying speed to about fifty minutes of work for every sixty minutes of audio.
- They didn’t want to keep using RealAudio, so they developed a PHP / Flash / progressive download FLV solution with MP3 fallback.

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