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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.