Fruit Bats (band) Bats had begun to evolve into a band with the inclusion of I Rowboat members Dan Strack and Brian Belval and in 2001, their debut record Echolocation was released on Califone's imprint, Perishable Records. Tours followed with the likes of Modest Mouse and The Shins. Fruit Bats signed with Sub Pop in 2002 and have released four albums with the label including "Mouthfuls" in 2003, "Spelled in Bones" in 2005, "The Ruminant Band" in 2009 and "Tripper" in 2011. Johnson also joined The Shins in 2009. Their song "Humbug Mountain Song" spurred new fan activity. In an interview with "Reverb
Doppler Shift Compensation resolution. DSC however is not employed by frequency-modulated, or FM, bats. These bats have a broad range of frequencies to which they are maximally sensitive, and thus do not need to tightly modulate the echo frequency. For FM bats, the frequency of the Doppler shifted echoes still falls within their range of auditory responsiveness. Hence, they do not need a DSC mechanism to optimize their echolocation behavior. FM bats produce short pulses, often less than 5 ms in duration, that contain a broad range of frequencies covering up to 80–100 kHz. Bats use FM pulses to determine target distance, by