Skip to content

Library / Engineering & Technology / Acoustics of auditoriums / Braille

Acoustics of auditoriums ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

64,023 braille cells · 68 embossed pages at 40×25 · 349 unrepresentable characters omitted

⠊⠝⠎⠞⠁⠇⠇⠑⠙⠀⠊⠝⠀⠁⠉⠉⠕⠗⠙⠁⠝⠉⠑⠀⠺⠊⠞⠓⠀⠞⠓⠑⠀⠀
⠗⠑⠎⠥⠇⠞⠎⠀⠕⠋⠀⠞⠓⠑⠀⠎⠞⠥⠙⠽⠀⠎⠕⠀⠞⠓⠁⠞⠀⠋⠊⠝⠁⠇⠇⠽⠀⠞⠓⠑
⠀⠁⠉⠕⠥⠎⠞⠊⠉⠁⠇⠀⠏⠗⠕⠏⠑⠗⠞⠊⠑⠎⠀⠺⠑⠗⠑⠀⠀⠊⠍⠏⠗⠕⠧⠑⠙⠲⠀⠀
⠠⠁⠉⠅⠝⠕⠺⠇⠑⠙⠛⠍⠑⠝⠞⠲⠤⠤⠠⠞⠓⠑⠀⠁⠥⠞⠓⠕⠗⠀⠙⠑⠎⠊⠗⠑⠎⠀⠞⠕
⠀⠑⠭⠏⠗⠑⠎⠎⠀⠓⠊⠎⠀⠛⠗⠑⠁⠞⠀⠁⠏⠏⠗⠑⠉⠊⠁⠞⠊⠕⠝⠀⠀⠕⠋⠀⠞⠓⠑⠀
⠁⠙⠧⠊⠉⠑⠀⠁⠝⠙⠀⠑⠝⠉⠕⠥⠗⠁⠛⠑⠍⠑⠝⠞⠀⠛⠊⠧⠑⠝⠀⠃⠽⠀
⠠⠏⠗⠑⠎⠊⠙⠑⠝⠞⠀⠠⠑⠲⠀⠠⠚⠲⠀⠠⠚⠁⠍⠑⠎⠂⠀⠀⠠⠎⠥⠏⠑⠗⠧⠊⠎⠊⠝⠛
⠀⠠⠁⠗⠉⠓⠊⠞⠑⠉⠞⠀⠠⠚⠲⠀⠠⠍⠲⠀⠠⠺⠓⠊⠞⠑⠂⠀⠁⠝⠙⠀
⠠⠏⠗⠕⠋⠑⠎⠎⠕⠗⠀⠠⠁⠲⠀⠠⠏⠲⠀⠠⠉⠁⠗⠍⠁⠝⠀⠕⠋⠀⠀⠞⠓⠑⠀
⠠⠏⠓⠽⠎⠊⠉⠎⠀⠠⠙⠑⠏⠁⠗⠞⠍⠑⠝⠞⠲⠀⠠⠓⠑⠀⠙⠑⠎⠊⠗⠑⠎⠀⠁⠇⠎⠕⠀
⠞⠕⠀⠁⠉⠅⠝⠕⠺⠇⠑⠙⠛⠑⠀⠞⠓⠑⠀⠍⠁⠞⠑⠗⠊⠁⠇⠀⠀⠁⠎⠎⠊⠎⠞⠁⠝⠉⠑⠀
⠉⠓⠑⠑⠗⠋⠥⠇⠇⠽⠀⠗⠑⠝⠙⠑⠗⠑⠙⠀⠃⠽⠀⠞⠓⠑⠀⠺⠕⠗⠅⠍⠑⠝⠀⠁⠞⠀
⠞⠓⠑⠀⠠⠥⠝⠊⠧⠑⠗⠎⠊⠞⠽⠂⠀⠺⠓⠊⠉⠓⠀⠀⠉⠕⠝⠞⠗⠊⠃⠥⠞⠑⠙⠀⠊⠝⠀
⠝⠕⠀⠎⠍⠁⠇⠇⠀⠙⠑⠛⠗⠑⠑⠀⠞⠕⠀⠞⠓⠑⠀⠎⠥⠉⠉⠑⠎⠎⠋⠥⠇⠀
⠎⠕⠇⠥⠞⠊⠕⠝⠀⠕⠋⠀⠞⠓⠑⠀⠀⠏⠗⠕⠃⠇⠑⠍⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠠⠊⠊⠲
⠀⠠⠠⠃⠑⠓⠁⠧⠊⠕⠗⠀⠠⠠⠕⠋⠀⠠⠠⠎⠕⠥⠝⠙⠀⠠⠠⠺⠁⠧⠑⠎⠀⠠⠠⠊⠝⠀⠠⠁
⠀⠠⠠⠗⠕⠕⠍⠲⠀⠀⠀⠀⠀⠀⠠⠺⠓⠑⠝⠀⠁⠀⠎⠏⠑⠁⠅⠑⠗⠀⠁⠙⠙⠗⠑⠎⠎⠑⠎⠀
⠁⠝⠀⠁⠥⠙⠊⠑⠝⠉⠑⠂⠀⠞⠓⠑⠀⠎⠕⠥⠝⠙⠎⠀⠓⠑⠀⠥⠞⠞⠑⠗⠎⠀
⠏⠗⠕⠉⠑⠑⠙⠀⠊⠝⠀⠀⠑⠧⠑⠗⠀⠺⠊⠙⠑⠝⠊⠝⠛⠀⠎⠏⠓⠑⠗⠊⠉⠁⠇⠀
⠺⠁⠧⠑⠎⠀⠥⠝⠞⠊⠇⠀⠞⠓⠑⠽⠀⠎⠞⠗⠊⠅⠑⠀⠞⠓⠑⠀⠃⠕⠥⠝⠙⠁⠗⠊⠑⠎⠀
⠕⠋⠀⠞⠓⠑⠀⠀⠗⠕⠕⠍⠲⠀⠠⠓⠑⠗⠑⠀⠞⠓⠑⠀⠎⠕⠥⠝⠙⠀⠊⠎⠀⠏⠁⠗⠞⠇⠽⠀
⠗⠑⠋⠇⠑⠉⠞⠑⠙⠂⠀⠏⠁⠗⠞⠇⠽⠀⠞⠗⠁⠝⠎⠍⠊⠞⠞⠑⠙⠂⠀⠁⠝⠙⠀⠞⠓⠑⠀⠀
⠗⠑⠎⠞⠀⠁⠃⠎⠕⠗⠃⠑⠙⠲⠀⠠⠞⠓⠑⠀⠁⠍⠕⠥⠝⠞⠎⠀⠕⠋⠀
⠗⠑⠋⠇⠑⠉⠞⠊⠕⠝⠂⠀⠁⠃⠎⠕⠗⠏⠞⠊⠕⠝⠀⠁⠝⠙⠀⠞⠗⠁⠝⠎⠍⠊⠎⠎⠊⠕⠝⠀
⠙⠑⠏⠑⠝⠙⠀⠕⠝⠀⠞⠓⠑⠀⠉⠓⠁⠗⠁⠉⠞⠑⠗⠀⠕⠋⠀⠞⠓⠑⠀⠺⠁⠇⠇⠎⠲⠀⠠⠁

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.