Here is a list of possible sources of Spoken Audio files that might be used for the creation of GPL Acoustic Models.

• Audio Source list:
  • ​Gutenburg audio project
  • ​Wikipedia Spoken Articles
  • CMU:
    • ​CMU Audio Database :
      • ​Microphone array database
      • ​Census (AN4) database
      • ​Let's Go Speech Dialog Data - (license for research only)
      • ​CMU_SIN Speech in Noise Database
      • ​PDA database
      • ​Resource Management (RM1) database (no wav - Sphinx mfc only)
      • ​CMU Communicator KAL limited domain
  • CMU Communicator:
    • ​festival_win_112503

• Festvox:
  • ​Festvox databases
    • ​CMU ARCTIC (no restrictions)
    • ​CMU_FAF (Facts and Fables) database
    • ​CMU_SIN database Speech in Noise
    • ​CMU Chaplain (for research only)
    • ​CSTR US KED Timit
  • Diphone Databases
    • ​CMU US KAL diphone
    • ​CSTR UK RAB diphone
  • ldom Databases (Limited Domain)
    • ​time ldom (cmu_time_awb_ldom)
    • ​weather ldom (cmu_weather_awb_ldom)
    • ​Communicator ldom (cmu_com_kal_ldom)
• ISIP Switchboard
  • ​ISIP Abridged Switchboard Audio Database
  • ​full Switchboard Audio Database
• ​American Rhetoric
• ​MICASE
• ​TalkBank ​TalkBank Audio Files (GNU license)
  • ​Switchboard database
• Hansard Canada
  • ​House of Commons
  • ​Senate
• ​MICASE Michigan Corpus of Academic Spoken English
• ​AUE - alt-usage-english

• Links
  • ​Bookmarks for Corpus-based Linguists
  • ​Corpora and other Language and Speech Data under DICE

Other Possible sources, but with licensing issues:

• ​Buckeye Corpus
• CSLU Speech Synthesis Research Group;
  • ​OGIresLPC 2.1.0 voices (voice data not released yet - only for research/personal use ...)

(Also see Ticket #22)