OER Dev

Audio

For audio files on the GDL we use MP3 (ISO 11172-3:1993).

High Quality
Sampling rate = 96 kHz
Bit depth = 24-bit depth

Medium
Sampling rate = 48 kHz
Bit depth = 16-bit depth

Low
Sampling rate = 44.1 kHz
Bit depth = 16-bit depth

Frequency ranges of different sounds vary, so the requirements for a digital version of your
source recordings will also vary. Spoken word recordings are typically acceptable at audio level low (44.1 kHz). Field recordings that include natural and/or subtle sounds such musical recordings should be captured at either high or medium or DVD Quality.

%d bloggers like this: