Wildlife Acoustics Echo Meter Touch Скачать руководство пользователя страница 33

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5.2

Audio

EMT 1

EMT 2

EMT 2 Pro

Recording Format:

12-bit WAV 16-bit WAV 16-bit WAV

Gain:

Fixed

3 settings

Sample Rate:

256kHz

256kHz 256kHz/384kHz

Directionality:

Omnidirectional Slightly

Directional

Slightly

Directional

Maximum Recording Frequency:

Half of the sample rate (up to

128 kHz for 256 kHz sample rate and up to 192 kHz for 384 kHz
sample rate)

Signal to Noise Ratio (chart below):

This is a measure of quality

within the recording bandwidth. A higher value is better.

100

110

120

ati

rtH

Frequency (kHz)

Echo Meter Touch Signal to Noise Ratio

EMT 2 Pro
EMT 2
EMT 1

Содержание Echo Meter Touch

Страница 1: ...9 Advanced Settings Screen 2 10 Restore Defaults 3 Recordings 3 1 Filenames for Recordings 3 2 Metadata Included in Recordings 3 3 Sharing Recordings via Email or Text Message 3 4 Backing Up Recordings 3 5 Transferring Recordings to a Computer 3 6 Importing Recordings using iTunes 3 7 Analysis Software 4 Testing the Microphone Element 4 1 Calibration Mode Microphone Testing 4 2 Chirp Mode System T...

Страница 2: ...ildlifeacoustics com products echo meter touch This guide is available for printing at www wildlifeacoustics com support documentation 1 1 EchoMeter Touch Ultrasonic Modules The app is compatible with the original Echo Meter Touch Ultrasonic Module as well as the upcoming Echo Meter Touch 2 and Echo Meter Touch 2 Pro Modules Echo Meter Touch original The original Echo Meter Touch was released in 2...

Страница 3: ... is also available for those accustomed to that way of hearing bats Manual and automatic tuning is available View the echolocations on a spectrogram A real time spectrogram shows the frequencies and timing of the echolocations Scroll back in time and zoom in on previous bat passes See most likely bat species in real time The Auto ID feature analyzes the echolocation calls and shows the two most li...

Страница 4: ...bats in free flight in low clutter environments Recordings of roost emergence multiple or captive bats bats in high clutter environments or bat social calls are not suitable for Auto ID In addition the Auto ID feature does not include every possible bat for each of the covered regions Therefore if a bat that is not included is recorded it will be identified by the app as a species with a similar e...

Страница 5: ...o your computer over a wireless network or cabled through the iTunes software Using Wi Fi the app bundles the recordings in a zip folder and allows download by entering a URL in any web browser The recordings can also easily be uploaded to iCloud or other online storage services Share recordings via email or MMS messaging You can share recordings via email or MMS messaging and import and open file...

Страница 6: ...er Touch at the same time as another app for example a GPS app a weather app or a notes app 2 1 Connecting the Ultrasonic Module The Echo Meter Touch Ultrasonic Modules sense ultrasonic signals digitize the signal and transmit the ultrasonic data to the iPad iPhone or iPod Touch Plug an Ultrasonic Module into the Lightning connector of your iOS device and you can immediately start listening to rec...

Страница 7: ...ping on those models 2 2 Navigating the app To navigate through the app press the main menu symbol You can go to other sections of the app while still hearing and recording bats You can even continue to monitor and record bats in the background while using other apps 2 3 Monitoring in Live Mode In LIVE MODE ultrasonic data is streamed to your iPhone or iPad The frequency and duration of the bat ec...

Страница 8: ...ears at the top right of the screen press to jump forward to real time You can scroll back in time through up to 10 minutes of history The app will intelligently reduce the history if the iOS device is nearly full A frequency reference line allows viewing a specific frequency Spectrogram Waveform Frequency scale in kHz Time scale in milliseconds ...

Страница 9: ...echolocation calls relative to the length of the call the space in between is used to play back the slowed down call When in HET mode double tap the grey frequency reference control to go into auto het mode This will constantly tune to the frequency with the most energy above the RTE HET OFF toggle off Pinch and zoom in time or frequency on the spectrogram or waveform Tap to activate frequency ref...

Страница 10: ...MT2 if you do not have very high frequency bats Auto HET will only tune to frequencies visible on the spectrogram based on zoom level Tap the Settings icon to open the spectrogram settings panel Here you can adjust the brightness and contrast of the spectrogram as well as adjust the minimum frequency to trigger a recording In portrait orientation it appears as shown in landscape orientation it app...

Страница 11: ...w a list of available regions Current regions are North America Europe and United Kingdom and Neotropics There is also a South African region that is in beta Check a region to select all bats in that region Tap a region to learn more about the species and to select only bats in your area A dropdown menu allows you to easily select only bats in your North American state or Canadian province Toggle ...

Страница 12: ...esent even when the app is running in the background There is also a small manual record button which you can use to initiate a recording This can be used on its own or while triggered recording is activated if the trigger misses something When you press the manual button a recording starts 5 seconds back in time and continues until you hit the button again or 15 total minutes is reached The NOISE...

Страница 13: ...ght of the orb Using triggered recording the duration of the current session is shown and using manual recording the duration of the current recording is shown At the conclusion of the recording a label shows the filename Tap appropriate icon in the label to Identify the species of bat automatically or override the species tag Append voice or text notes to that recording Navigate to the recording ...

Страница 14: ...rmation in order to help you make the best ID possible and also to allow you to see common confusions so you can learn the ID s limitations You can also get a sense of the accuracy ID from the pulse count This shows the number of echolocation pulses that match the top bat and the number of total pulses More matching pulses can indicate a stronger match You can select the runner up species on the A...

Страница 15: ...ecording you can choose another label from your selected bat species by pressing the yellow bat in the recording label Tap the recording label icon to open the NOTES page Voice and text notes are saved as metadata in the recording so they can be transferred with the recording to a computer Triggered recording and or manual recording Auto ID pop up Recording timer Click to label recording with alte...

Страница 16: ...nd recording in the background you will be advised that you are leaving Live Mode Tap the Edit button at the top right to delete recordings transfer recordings to your computer via Wi Fi share recordings or identify the bat species in the recordings Press a box to individually check it in the list You can select multiple recordings from the list by checking the box of any recording then pressing a...

Страница 17: ...the search bar to search for species IDs or to search the text of any text notes you have added In addition to running ID or manually labeling recordings the Auto ID button will also give the option to remove all IDs from the checked recording This will remove the ID meta data as well as the filename prefix Icons indicate recordings with voice or text notes and recordings with an identified specie...

Страница 18: ...ecording at a slow speed that renders ultrasound into audible sound In compressed view you will only hear visible signals during playback not the space in between echolocations For HET and RTE the playback occurs on all samples as though expanded view is selected whether in compressed or expanded view This lets you hear exactly how the bat would have sounded in live mode As in Live Mode heterodyne...

Страница 19: ...g session and match the color shown in the recording list as well as the path in GPS view You can filter the audio for better fidelity as in Live Mode by zooming to only the frequencies of interest Spectrograph settings are available as in LIVE MODE Scroll and Zoom spectrogram or waveform as in Live Mode Playback Choose RTE HET or TE Recording label write edit notes run ID delete file or go to map...

Страница 20: ...the session folder If any recording from a recording session is transferred via Wi Fi a KML file will be included in the session folder with all recording s waypoints shown You can also download the files through iTunes as described in this User Guide KML files can be opened directly in Google Earth to show the recording locations species IDs and recording path Tap to go to recordings Toggle betwe...

Страница 21: ...iously made recording 1 10 is higher pitch and 1 20 is lower Values 1 10 1 20 Default 1 20 Nightly Sessions Mode Set to ON to organize sessions into nightly sessions noon to noon regardless of the number of times recording is stopped and started Each nightly session exports in its own folder with its own KML file Using manual recording the app automatically uses nightly session mode for those reco...

Страница 22: ...rding trigger sensitivity level High is extremely sensitive and maximizes detection but will also trigger from other noises resulting in NOISE files Low will only trigger on stronger signals that are likely to be able to be identified Medium is somewhere in between the two extremes The trigger only applies to signals that are higher in frequency that the Trigger Minimum Frequency setting in the Sp...

Страница 23: ...fulfill a specific recording protocol or definition of a bat pass Values 1 second to 60 seconds in 1 second increments Default 15 seconds Gain EMT 2 Pro only The Echo Meter Touch 2 Pro has configurable gain The HIGH setting roughly corresponds to the gain on the Echo Meter Touch 1 and the SM4BAT FS set to the default 12dB level This can be useful for recording very distant or quiet bats MEDIUM cor...

Страница 24: ...lso unselects all bats on the AUTO ID SELECTION screen 2 11 Clean Recording Database This button will make sure that each recording in the list still points to a recording file on your device Sometimes recordings can end up in this list with no associated file if the user deletes files in the file system of the device or through iTunes Cleaning this up when the app is initializing on start up just...

Страница 25: ...y format For more information om the format visit www wildlifeacoustics com SCHEMA GUANO html Metadata is visible in Wildlife Acoustics Kaleidoscope free spectrogram viewer software and can be tabulated in spreadsheet form using Kaleidoscope s converter function Kaleidoscope software has the ability to add further metadata relating to analysis of the recording The following are some of the metadat...

Страница 26: ...ch app The recording is imported into the app NOTE iMessage is not compatible with high sample rate WAV files natively so the file is actually sent as an EMTOUCH file and then converted back to a WAV file upon import All imported files must have been recorded using Echo Meter Touch app as opposed to another bat recorder and will be stored in a session folder called Imported Files Imported files ha...

Страница 27: ...g List screen Using one of these strategies is advised since all your recordings can be lost if the app is accidently deleted or if your iOS device breaks 3 5 Transferring Recordings to aComputer Recordings can be transferred to your computer via Wi Fi or through a USB cable using iTunes Using Wi Fi 1 Tap the Edit button at the top right to make the edit bat appear 2 Select one or more recordings ...

Страница 28: ...l iOS icon that will appear in the menu bar 4 Select File Sharing in the side tab 5 Select Echo Meter Touch app 6 Select the recording sessions you want to transfer and press the Save to button to select a destination 3 6 Importing Recordings using iTunes You can import recordings and or session folders into the app through iTunes This is useful if you need to switch to a new iOS device or you wan...

Страница 29: ...g section and choose the Echo Meter 5 Drag and drop the import folder that you created above into the box labeled Echo Meter Documents 6 On the iOS device launch the Echo Meter Touch app This will automatically import all of the session folders and recordings into the app on your device and they can then be found in the recordings list Sessions will be shown with a unique color bar and the path wi...

Страница 30: ... used as an accurate calibrator until the battery is replaced The calibrator offers two modes of operation Calibration mode is used to test the microphone at close range and Chirp mode is used to test the entire system at a greater distance 4 1 Calibration Mode Microphone Testing 1 Remove the clear calibrator microphone adapter by sliding it off the calibrator from the bottom 2 Turn the calibrator...

Страница 31: ...e Echo Meter Touch around until the waveform is maximized There is variation in microphone sensitivity between units an calibrators so you may see a larger waveform but a microphone is good if the waveform takes up more than of the waveform panel 4 2 Chirp Mode System Testing To test the entire system use the Ultrasonic Calibrator in Chirp mode to emit loud ultrasonic signals that can be picked up...

Страница 32: ...o not place the Ultrasonic Calibrator near your ears In CHIRP mode the calibrator emits a 40 kHz signal at over 100 dB SPL Prolonged exposure to high intensity ultrasonic signals may cause permanent hearing loss at audible frequencies 5 Specifications 5 1 Physical Echo Meter Touch original Echo Meter Touch 2 and 2 Pro Length w o Lightning 1 8 inches 46 mm 1 4 inches 35mm Width 1 9 inches 48 mm 1 9...

Страница 33: ...ording Frequency Half of the sample rate up to 128 kHz for 256 kHz sample rate and up to 192 kHz for 384 kHz sample rate Signal to Noise Ratio chart below This is a measure of quality within the recording bandwidth A higher value is better 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 10 20 30 40 50 60 70 80 90 100 110 120 Signal to Noise Ratio dB rtHz Frequency kHz Echo Meter Touch Signal t...

Страница 34: ...ectionality to reduce extraneous noise and echoes See the chart below 50 45 40 35 30 25 20 15 10 5 0 5 15 30 45 60 75 90 105 120 135 150 165 180 165 150 135 120 105 90 75 60 45 30 15 Echo Meter Touch 2 and Pro Directionality Horizontal 20 kHz 40 kHz 60 kHz 80 kHz 100 kHz dB ...

Страница 35: ...cient buffering of Live Mode The app will warn you if you have insufficient storage 5 4 Module Firmware Updates The firmware on the Echo Meter Touch module can be updated through the app to improve compatibility with future iOS devices or operating systems If new firmware is available a pop up alert will be shown giving the option of updating or waiting The 50 45 40 35 30 25 20 15 10 5 0 5 15 30 4...

Страница 36: ...bility The devices listed below are compatible with Echo Meter Touch 2 and Echo Meter Touch 2 Pro with iOS versions up to 12 There is no guarantee that future iOS versions released each year in the fall will work on older devices on this list With each new iOS version more processing is required to run the increasingly advanced features For this reason it will be necessary for us to remove older d...

Страница 37: ...e the property of their respective owners The Echo Meter Touch is covered under the following patents U S Pat No 8 599 647 U K Pat No GB 2480358 European Pat No 2877820 Additional U S and international patents and trademarks are pending Updated on February 15 2019 Copyright 2014 2019 Wildlife Acoustics Inc All Rights Reserved ...

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