Comparing Voice Typing Programs

Caster

• Osprey is an application while Caster is a collection of scripts that are loaded through Dragonfly
• Caster uses the Dragonfly API whereas Osprey provides its own simplified API that is built on top of Dragonfly
• Osprey supports displaying the transcripts as desktop notifications
• Osprey has an applet
• Osprey is much more modular with its configurations
  • no configurations are included by default (though it is recommended to use the osprey-starter-pack)
  • configurations are enabled by adding them to the Osprey config directory

Talon

API

Added

• <n> has been added as a placeholder to match a number

Changed

• Context.keymap changed to Context.set_commands
• Context.list changed to Context.set_choices and it now takes a dict of lists instead of just one list
• Specifying a list in a rule has changed from {context.list} to <list>
• Str has been changed to insert and it's now just a regular function instead of creating and returning a callback
• Rep has been changed to repeat and it's now just a regular function instead of creating and returning a callback
• press has been changed so that the key separator is now ' ' instead of '-'
• The default ContextGroup has been renamed from talon to default_context_group
• ContextGroups are now loaded automatically so you don't need to call ContextGroup.load()
• <dgnwords> has been replaced with <word>
• <dgndictation> and its variations has been replaced with <phrase>
• Some of the keys have been changed. Check out the API documentation for the specifics.

Removed

• Key has been removed in favor of press

Other

• Osprey is open source
• Osprey uses Kaldi while Talon uses wav2letter and Dragon Dictation
• Osprey uses the platform specific config directory while Talon uses ~/.talon