Cultural and Pedagogical Lexicography of Modern Náhuatl

Oapan Sound Recordings (post-recording processing)

• The Oapan audio recording material (on digital audio tape) was uploaded to a central computer at the LDC;

• Filters were applied to insure the best possible sound for internet distribution while the original files were maintained for phonetic analysis;

• Original and filtered sound files were segmented and the segmented files (approximately 25,000 for the original and filtered versions) were tagged with unique references to each dictionary headword;

• Segmented recordings were normalized and downsampled (from 44,100 to 22,050); this set (approximately 25,000 sound files) was then converted to .mp3, yielding an additional 25,000 recording files;

• From approximately 6 tokens of each Oapan word (3 by a female consultant and 3 by a male), two were chosen (one female and one male) for linking to the online dictionary;

• The female and male forms were concatenated into a single file and versions of this file were placed on a server in both .mp3 and downsampled .wav formats.

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