1. 1972 Introduced the world’s first viable 8 channel digital recorder.

2. Bleats were recorded using an Audio-Technica AT835b microphone and a TASCAM HDP2 portable solid-state digital recorder (sampling rate: 48 kHz, amplitude resolution: 16 bits) at distances of 5–10 m.The recordings were transferred to an Apple Macintosh Macbook computer, normalized to 100% peak amplitude and saved as AIFF files (48-kHz sampling rate, 16-bit amplitude …