Skip to contentSkip to Braille Studio

Library / Engineering & Technology / Acoustics of auditoriums / Braille

Acoustics of auditoriums ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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

54,166 braille cells · 57 embossed pages at 40×25 · 195 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.