waveinfo
waveinfo is a pure-ruby gem to get the information from the headers of Wave (.wav) files.
Installing
You may get the latest stable version from Rubyforge. Source gems are also available.
$ gem install waveinfo
Synopsis
require 'rubygems'
require 'waveinfo'
wave = WaveInfo.new('example.wav')
puts "Channels: #{wave.channels}"
puts "Sample Rate: #{wave.sample_rate} Hz"
puts "Duration: #{wave.duration} secs"
TODO
- Add support for the extensible format which uses GUIDs
- Inplement more validity checks
- file is shorter than reported chunk size
- file is longer than reported chunk size
- Implement more chunk types
- bext - Broadcast Wave Extention
- mext - MPEG audio extension chunk
- DISP - Title
- cart - CartChunk/aes46-2002
- LIST
- Test against more weird Wave files
Resources
- GitHub Project: http://github.com/njh/ruby-waveinfo
- Documentation: http://rdoc.info/github/njh/ruby-waveinfo/master/frames
Contact
- Author: Nicholas J Humfrey
- Email: [email protected]
- Home Page: http://www.aelius.com/njh/
- License: Distributes under the same terms as Ruby