Wildlife Acoustics News

Bat researchers now have full-spectrum and zero-crossing capabilities

New software makes SM2BAT recordings compatible with competing bat analysis software and protocols

Denver, CO (40th North American Symposium on Bat Research), October 27, 2010 – Wildlife Acoustics, the leading supplier of acoustic monitoring systems for wildlife around the world, announces its latest version 3.0 of the Wac2WavTM software. This software post-processes WAC recording files created by the Song Meter SM2BATTM ultrasonic recorders to prepare them for analysis by various third-party zero-crossing and full-spectrum analysis tools.

“Our new Wac2Wav software makes the SM2BAT recorder backward compatible with incumbent competitive solutions employing zero-crossing, time-expansion and full-spectrum technologies”, said Ian Agranat, President and CEO of Wildlife Acoustics. “We recognize the investments our customers have made in developing long-term monitoring protocols and now offer an easy migration path to our SM2BAT ultrasonic recorder.”

For zero-crossing analysis, the Wac2Wav software converts full-spectrum recordings made by SM2BAT into files compatible with the leading zero-crossing bat detectors. The sensitivity can be set to a specific level, or Wac2Wav can automatically adjust the level for each bat pass to maximize bat detection rates. If the SM2 GPS option is used, GPS latitude and longitude coordinates are also automatically stored in the zero-crossing file headers for transect surveys, and also logged to a text file.

To achieve equivalent temporal coverage of competing time- expansion detectors, Wac2Wav software can truncate recordings to a specified length and ignore recordings made while a time-expansion detector would not have been monitoring.

And finally, for full-spectrum analysis, the Wac2Wav software can split each bat pass into its own WAV file compatible with nearly all third-party acoustic analysis tools.

Wac2Wav software also features a noise filter to optionally remove triggered events unlikely to contain bat activity, and a compensation filter to adjust the SMX-US microphone frequency response to improve automatic classification performance of third-party classifiers based on reference calls made by other systems.

“Our SM2BAT ultrasonic recorders are fully weatherproof, detect more bats and at a fraction of the cost of any other bat detector on the worldwide market today”, Agranat continued. “Combined with our Wac2Wav software, we are compatible with all the work-flows and analysis tools developed around incumbent competing products including both full-spectrum and zero-crossing technologies. With superior price performance and an easy migration path, we are quickly becoming the new standard for the unattended acoustic monitoring of bats worldwide”.

About Wildlife Acoustics, Inc.
A wildly innovative company:

Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider of bio-acoustic monitoring technology for scientists, researchers, and government agencies worldwide since 2003.

www.wildlifeacoustics.com

Contact:
Ian Agranat
Wildlife Acoustics, Inc.
P. O. Box 680
Concord, MA 01742-0680
+1 (978) 369-5225

Announcing GPS capabilities for transect surveys

New GPS integration combines acoustic and location data

Denver, CO (40th North American Symposium on Bat Research), October 27, 2010 – Wildlife Acoustics, the leading supplier of acoustic monitoring systems for wildlife around the world, announces new capabilities for transect surveys of bats, birds, frogs and other species. With the latest firmware update to the GPS-enabled Song Meter SM2TM, latitude and longitude coordinates with 15 meter accuracy are stored in audio recordings once each second. The company’s latest Song ScopeTM software can then be used to scroll through spectrograms of the recordings and simultaneously display the corresponding GPS coordinates.

For ultrasonic recordings of bats, the company’s latest Wac2WavTM software generates a log with GPS coordinates for each triggered event, or bat pass. Wac2Wav can output standard WAV files or legacy zero-crossing files. When creating zero-crossing files, the GPS coordinates are automatically loaded into the corresponding file headers so that they are available to third-party zero-crossing analysis software.

“We have customers who drive transect routes recording bat activity as they go”, said Ian Agranat, President and CEO of Wildlife Acoustics. “With our GPS option and latest SM2 firmware, the location of each detected bat pass is now fully integrated automatically thus eliminating hours of tedious effort manually correlating separate recording and location data”.

Recordings made with the GPS option are also time-synchronized to within one millisecond of GPS time. This makes it possible to configure an array of recorders that can be used to precisely measure sound propagation across many microphones to determine the location of a sound source.

About Wildlife Acoustics, Inc.
A wildly innovative company:

Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider of bio-acoustic monitoring technology for scientists, researchers, and government agencies worldwide since 2003.

www.wildlifeacoustics.com

Contact:
Ian Agranat
Wildlife Acoustics, Inc.
P. O. Box 680
Concord, MA 01742-0680
+1 (978) 369-5225

Announcing SM2BAT 384kHz Ultrasonic Recorder for Bats

New high sample rate model records vocalizations of the world’s bats

Prague, Czech Republic (15th International Bat Research Conference), August 23, 2010 – Wildlife Acoustics, the leading supplier of acoustic monitoring systems for endangered and threatened wildlife species around the world, announces a new high frequency 384kHz model of the SM2BAT Ultrasonic Recorder.

The SM2BAT 384kHz Terrestrial Ultrasonic Package, starting at US$999, is a weatherproof, low-power ultrasonic recorder and microphone capable of continuous unattended monitoring and recording of bat echolocation calls for long periods of time. An optional acoustic microphone can be added to a second channel for recording birds, frogs and other non- ultrasonic sounds at different times of day.

“We are excited to offer the 384kHz SM2BAT recorder to meet the requirements of the European market for wind farm pre-construction and post-construction surveys of bat activity” said Ian Agranat, President and CEO of Wildlife Acoustics. “Researchers now have a choice between our two-channel 192kHz model suitable for North American species, or the new single channel 384kHz model for recording higher frequency species such as the lesser horseshoe bat and others found throughout Europe.”

Post-processing “Wac2Wav” software available from Wildlife Acoustics at no charge converts SM2BAT recordings to either standard .WAV files or legacy zero-crossing files while removing false triggers caused by background noise.

The SM2BAT 384 Terrestrial Ultrasonic Package will be available in September and the company is taking orders now.

About Wildlife Acoustics, Inc.

A wildly innovative company:

Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider of bio-acoustic monitoring technology for scientists, researchers, and government agencies worldwide since 2003.

www.wildlifeacoustics.com

Contact:
Ian Agranat
Wildlife Acoustics, Inc.
P. O. Box 680
Concord, MA 01742-0680
+1 (978) 369-5225

Announcing Song Meter SM2 Night Flight Call Package for Monitoring Migratory Birds

Cost effective and weatherproof package sets a new standard for acoustically monitoring birds in flight

PITTSBURGH, PA (Ecological Society of America Annual Meeting), August 2, 2010 - Wildlife Acoustics, the leading supplier of acoustic monitoring systems for endangered and threatened wildlife species around the world, today announced the availability of the new Song Meter SM2 Night Flight Call Package.

Based on the powerful SM2 Recorder Platform, the SM2 NFC Package includes the new SMX-NFC weatherproof microphone designed especially for recording distant night flight calls in the sky while attenuating sounds from the ground such as insects and amphibians. This new microphone combined with the proven ruggedness of the SM2 recorder creates a robust field instrument suitable for even the harshest environments. The SM2 recorder combines extremely low power consumption, high capacity, and sophisticated scheduling for long-term unattended acoustic monitoring.

“Since direct observation of the billions of birds that annually migrate at night is largely impossible, monitoring migrants by sound is critically important for developing and implementing conservation plans for the 21st century,” said Ken Rosenberg, Director of Conservation Science at the Cornell Lab of Ornithology. “Recording flight calls of nocturnally migrating birds provides an excellent (and currently the only) opportunity for reliably and economically studying species composition and abundance on a broad geographic scale, particularly for rare and elusive species for which diurnal surveys may not suffice.”

“The Gulf oil spill is a sobering reminder of the fragility of our ecosystems,” said Ian Agranat, President and CEO of Wildlife Acoustics. “We are proud to deliver the first ever commercially available microphone specifically designed to record the calls of migrating birds to better measure the impacts of climate change and habitat loss on a broad range of species.”

The SMX-NFC has a microphone capsule mounted near the surface of a flat horizontal plate creating a pressure zone for sounds originating from above the plate. The design delivers a relatively flat frequency response from 2 to 12kHz with 3 – 6dB of signal gain within a beam angle of 125 degrees, while attenuating sounds below the plate. This allows up to a 10dB signal-to-noise improvement over a non- directional microphone. The microphone is fully weather resistant and includes a 10m cable and a mounting bracket to allow a wide range of mounting options.

“We are excited to see the nocturnal flight call package offering, and even more thrilled now that we’ve started using the system,” said Rosenberg. “This design fills a major unfilled niche in producing an off-the-shelf, cost- effective, portable, and waterproof recording system to study and monitor flight calls. We feel this product will be an invaluable tool, providing an easy to deploy, standardized, and quality controlled solution for monitoring nocturnal bird migration acoustically.”

The package is available now for US$799 including the SM2 recorder platform and the SMX-NFC microphone.

About Wildlife Acoustics, Inc.
A wildly innovative company:

Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider of bio-acoustic monitoring technology for scientists, researchers, and government agencies worldwide since 2003.

www.wildlifeacoustics.com

Contact:
Ian Agranat
Wildlife Acoustics, Inc.
P. O. Box 680
Concord, MA 01742-0680
+1 (978) 369-5225

Announcing the Song Meter SM2 GPS Time Synchronization Option

Allows multiple Song Meter field recorders to synchronize to within one millisecond enabling spatial localization of recorded sounds

PITTSBURGH, PA (Ecological Society of America Annual Meeting), August 2, 2010 - Wildlife Acoustics, the leading supplier of acoustic monitoring systems for endangered and threatened wildlife species around the world, today announced the availability of the new Song Meter SM2 GPS Time Synchronization Option. The ability to precisely synchronize time across multiple units is essential for spatial localization to determine the source of recorded sounds.

Available as an option on both the SM2 acoustic recorders and the SM2BAT ultrasonic recorders, the SM2 GPS Time Synchronization allows the Song Meter to synchronize its clock to the precision time maintained by GPS satellites. The option includes a GPS interface card and a waterproof external GPS receiver with a 5 meter cable that connects to the Song Meter (in lieu of the external sensor port).

“Some of our customers need to identify the source of recorded sounds to count individuals, study animal behavior, and even locate poachers,” said Ian Agranat, President and CEO of Wildlife Acoustics. “By creating an array of precisely synchronized recorders, the source of a sound can be determined by triangulation after measuring when the sound reaches each of the microphones. We also plan to offer software in the near future to automate this process”.

The option is a “plug and play” solution. If the GPS antenna is attached, the SM2 automatically synchronizes to the GPS clock before the scheduled recording starts. The recording is automatically adjusted for the duration to maintain synchronization. Additional set up is not required.

The option is available for an additional US$599.95 with Song Meter SM2 acoustic or ultrasonic recorders.

About Wildlife Acoustics, Inc.
A wildly innovative company:

Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider of bio-acoustic monitoring technology for scientists, researchers, and government agencies worldwide since 2003.

www.wildlifeacoustics.com

Contact:
Ian Agranat
Wildlife Acoustics, Inc.
P. O. Box 680
Concord, MA 01742-0680
+1 (978) 369-5225

Wildlife Acoustics is proud to support wildlife conservation efforts

Merlin Tuttle's Bat Conservation Bat Conservation International Bat Conservation Trust Wildlife Habitat Counsil