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Dodotronic ULTRAMIC384K BLE User Manual

Ultrasonic usb microphone and recorder with bluetooth for an easy configuration via android smartphone
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ULTRAMIC384K BLE USER GUIDE
UL TRAMIC384KBLE
Ultrasonic USB microphone and recorder
with Bluetooth for an easy configuration via Android smartphone
USER GUIDE
0.4.6
1

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Summary of Contents for Dodotronic ULTRAMIC384K BLE

  • Page 1 ULTRAMIC384K BLE USER GUIDE UL TRAMIC384KBLE Ultrasonic USB microphone and recorder with Bluetooth for an easy configuration via Android smartphone USER GUIDE 0.4.6...

  • Page 2: Table Of Contents

    ULTRAMIC384K BLE USER GUIDE Summary Contents Summary ................................2 Overview ................................3 Features ................................3 Applications ..............................4 The Circuit ..............................4 Disassembly ..............................4 Versions ................................5 Waterproof ..............................6 USB Microphone ............................... 7 Unattended Recorder ............................9 One Hour Recording Mode ........................... 9 Minutes Recording Mode ..........................

  • Page 3: Overview

    ULTRAMIC384K BLE USER GUIDE Overview The Ultramic384K is a high quality - professional digital audio and ultrasonic microphone that can work as both: Ultrasonic USB microphone Unattended audio and ultrasonic recorder The Ultramic384K has an integrated analog-to-digital converter able to achieve a 384 Khz data sampling rate;...

  • Page 4: Applications

    ULTRAMIC384K BLE USER GUIDE Applications  BIOACOUSTICS: Detecting and recording of biological ultrasounds for bioacoustics studies on insects, cetaceans, rodents, and bats. Environmental studies to assess the impact of wind farms on bats. Recording and analyzing mice ultrasonic vocalizations for pharmacological studies.

  • Page 5: Disassembly

    ULTRAMIC384K BLE USER GUIDE Disassembly To disassemble the UM384K you can simply unscrew the back ring and keep the metal tube with one hand and push the plastic component. To reassemble the UM384K you can push back the plastic into the metal tube.

  • Page 6: Waterproof

    ULTRAMIC384K BLE USER GUIDE UM384K CIRCUIT ONLY The availability of the circuit UM384K only allows a customized integration of the UM384K for many different applications, such as the combination with a specific sensor to detect - vibrations, piezo ultrasound detector, infrasound, etc.

  • Page 7: Usb Microphone

    ULTRAMIC384K BLE USER GUIDE USB Microphone Ultramic384k is commonly used as a USB ultrasonic microphone. You simply have to: Remove the internal SD card Connect the USB connector to your PC, smartphone or tablet. The use of standard USB audio class allows the microphone to be used as a standard Plug & Play device with no driver installation required.
  • Page 8 ULTRAMIC384K BLE USER GUIDE The list of compatible devices and other compatible apps can be found on: www.dodotronic.com … WITH YOUR iOS DEVICE With the lightening USB adapter connect your microphone to your iPad, iPod or iPhone. Download the ULTRASONIC ANALYZER app to capture the ultrasound.

  • Page 9: Unattended Recorder

    ULTRAMIC384K BLE USER GUIDE Unattended Recorder The Ultramic384K is also an embedded recorder and nothing else is required but an external USB power supply and a formatted SD card. There are three ways of recording:  ONE HOUR RECORDING MODE ...

  • Page 10: Minutes Recording Mode

    ULTRAMIC384K BLE USER GUIDE Minutes Recording Mode In this recording mode you can do recordings with a specified length and sampling rate, with no need to do a complex scheduling. For example if you need to record for 70 minutes at 48 Khz in a simple way please consider the...

  • Page 11: Um384Ble Configuration App

    ULTRAMIC384K BLE USER GUIDE UM384BLE configuration app The UM384BLE CONFIG app allows a complex recording scheduling. Follow these steps to set up your SCHEDULING TAB Ultramic: Download the UM384BLE CONFIG app from TRIGGER www.dodotronic.com Install and launch the app. The CONFIG.

  • Page 12: Usb Power

    ULTRAMIC384K BLE USER GUIDE HOW TO CONNECT UM384K TO YOUR SMARTPHONE Go to the CONNECT tab on the screen and press the Scan & Connect button(the smartphone is now waiting for a connection). Insert a micro SD card in the UM384K.

  • Page 13: Sd Card

    ULTRAMIC384K BLE USER GUIDE SD card The SD card is inserted into the connector present in the integrated circuit board and used to record incoming data. By default, the Ultramic384K behaves as a standard USB audio microphone without the need for a driver.

  • Page 14: Xml File Editing

    ULTRAMIC384K BLE USER GUIDE XML File Editing Recording by using the XML 1. <?xml version="1.0" encoding="UTF-8"?> recording mode: - you can use the 2. <UltraMic384> online configurator from 3. <version>1.2</version> www.dodotronic.com (the safest 4. <config> way to do it), or you can use a text <defaultsettings>...
  • Page 15 ULTRAMIC384K BLE USER GUIDE XML File Explanation XML file configuration is a straightforward operation. The text file is composed of delineating tags. Each tag defines a specific parameter. Specifically, each parameter is surrounded by a start tag <xxx> and an end tag </xxx>, where xxx is the parameter name.

  • Page 16: Scheduling Deletion

    ULTRAMIC384K BLE USER GUIDE <setdatetime> defines the date and time clock. This tag is mandatory to synchronize the clock of the microphone with all the scheduling. REPEAT MODE <moderepeat> the event is repeated continuously starting when the UM384K is powered on.

  • Page 17: Amplification Settings

    ULTRAMIC384K BLE USER GUIDE Amplification Settings The integrated switches control the amplification level. By unscrewing the back of the device near the USB cable and then pushing on the aluminum tube you can access to the circuit board. Turning on the switch n° 1 will result a 10 x amplification. (Default with the FG sensor) Turning on the switch n°...

  • Page 18: Firmware Upgrade

    ULTRAMIC384K BLE USER GUIDE Firmware Upgrade Download the FIRMWARE.ENC file from www.dodotronic.com. Store the file in the root directory of a micro SD card. Insert the SD card into the Ultramic384k. Power the microphone, the yellow led is on for some second and then the green led will blink up to the end of the firmware updating.

  • Page 19: Simplified Flow Code

    ULTRAMIC384K BLE USER GUIDE Simplified Flow Code STARTUP USB audio SD card? SET TIME AND DATE LOAD ALARMS FIRMWARE.EN SET THE FIRST ALARM C PRESENT? UPDATE THE FIRMWARE RENAME THE XML TO “OLD” Are there configured timers? START ONE HOUR...

  • Page 20: Led Messages

    ULTRAMIC384K BLE USER GUIDE Led messages RECORDING MESSAGES USB Audio     Yellow led blinking every 5 seconds.        Recording on SD card     Red led blinking every 5 seconds.
  • Page 21 ULTRAMIC384K BLE USER GUIDE BLE connection Fast green led blinking: it is trying to connect with your     Android smartphone via Bluetooth.        ERROR MESSAGES XML file errors Red led on and yellow led blinking for about 6 seconds.

  • Page 22: Technical Specifications

    ULTRAMIC384K BLE USER GUIDE Technical Specifications Recording format Linear PCM (Pulse Code Modulation) format Recording medium SD card (512MB to 2GB) SDHC card (4GB to 32GB) SDXC card (64GB to 512GB) Input IN+ IN- 0 – 1 V differential voltage input USB B connector USB 2.0 Full Speed...

  • Page 23: Recording Times

    ULTRAMIC384K BLE USER GUIDE Recording Times It is important to use the right SD card capacity according to our planned recording session. The formula to calculate the space required is: Time = SD card capacity / (sampling rate x 2) For example a 32GB SD card can contain about 11 hours if the sampling rate is 384Khz = 41666 seconds = ~11 hours.

  • Page 24: Um384K Bottom Recorder

    ULTRAMIC384K BLE USER GUIDE UM384K Bottom Recorder UM384K Bottom Recorder is an autonomous recorder based on UM384K board. The electret microphone present in the UN384K microphone is replaced by a preamplified microphone sensor, SQ29 specifically designed to bring the right sensitivity for marine environment.

  • Page 25: Examples

    ULTRAMIC384K BLE USER GUIDE Examples In this chapter you will find some recording examples on how to configure the UM384K as autonomous recorder. 1 BAT CALLS “I want to record bat calls all night long avoiding blank spaces in recordings”.
  • Page 26 ULTRAMIC384K BLE USER GUIDE D – Press the AUDIO LEVEL button and the current SPL is shown in real time. E - Switch to the trigger and select Trigger. Start dB and Stop dB is shown, these values are the...
  • Page 27 ULTRAMIC384K BLE USER GUIDE F – Set the Timings from the menu by clicking on Add Time, and set the start time and the duration.  In the page OTHER you can set the alert time: an alert for the space limit in the SD card.
  • Page 28 ULTRAMIC384K BLE USER GUIDE G – Save the configuration for future use (optional) from the menu or eventually load the saved configuration...
  • Page 29 ULTRAMIC384K BLE USER GUIDE H - At this point you can send the configuration to the microphone from the CONNECT menu. When the configuration is uploaded to the microphone, it will restart, and it will operate according to the uploaded information.

  • Page 30: Bird, Insect And Bat Calls

    ULTRAMIC384K BLE USER GUIDE 2 BIRD, INSECT AND BAT CALLS “I need to record a bird song in the morning from 6:00 to 9:00 then from 19:00 to 20:00. I want to record bat calls from 20:10 up to 5:10. I need also to record cicada and other insect calls in ultrasonic range to from 11:00 to 16:00”.

  • Page 31: Soundscape

    ULTRAMIC384K BLE USER GUIDE 3 SOUNDSCAPE “I want to have a soundscape of the environment recording in audio range for 10 minutes every hour continuously”. HOW TO: Follow the steps of chapter 1 Bat calls from point A to point C.

  • Page 32: Calls Recording

    ULTRAMIC384K BLE USER GUIDE 4 CALLS RECORDING “I need to know when someone is talking in a room”. HOW TO: Follow the steps of chapter 1 Bat calls from point A to point C. D – in the Timing tab set the Repeat Mode and click on Add time.

  • Page 33: Faq

    Q: I don’t want to record but just listen or view the spectrogram of acoustical signals. A: Connect your Ultramic384K to your smartphone, tablet or PC and use your preferred app. The list of compatible apps is available on www.dodotronic.com. __________________________ Q: I need to record cetacean vocalizations.

  • Page 34: Tips And Tricks

    ULTRAMIC384K BLE USER GUIDE __________________________ TIPS and TRICKS 1 – Remove the front cap to improve the overall microphone sensitivity and if you place the microphone outside provide a shelter to protect it from rain. 2 – Keeping far from the power the battery supply will reduce the noise due to the switching regulator of the USB converter.

  • Page 35: Glossary

    ULTRAMIC384K BLE USER GUIDE Glossary Description Sampling The rate or frequency at which an analogue signal is analyzed to determine frequency acoustic delicacies. The higher sampling frequency produces less difference (sampling rate) in forward/backward sounds. [Hz/Khz] Quantization bits The number of quantization bits helps determine how much data is [bit depth][bit] required to save a record when digitizing analog signals (such as voice).

  • Page 36: Safety Precautions

    ULTRAMIC384K BLE USER GUIDE Safety Precautions Before using this device, read this manual carefully to ensure that you know how to operate the Ultramic384K safely and correctly. Be sure to keep this manual on hand so that you can refer to it at any time.

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