I have both a smaller Basic Meter (BAFX3370 dBA only) and a larger (BAFX3608 dBA/dBC) Advanced Meter. Your neighbors and whether you should evacuate before the volume levels cause hearing damage. 2) Features a beautiful and easy to read backlit display with an ambient light sensor for use in dark or dimly lit areas. 3) For ADVANCED BAFX3608 dBA/ dB Meter: Although only for Windows, the software is made by "Sound Labβ and it is called "Sound Level Meterβ and is a good simple tool, easy to understand or easy to use tool and also explicitly without bloatware and/or software features packaged.4) For the ADVANCED BAFX3608 dBA/dBQ meter: When connected via the USB ports, the device is automatically powered via the USB port.5) For the ADVANCED BAFX3608 dBA/dBQ meter: It can be placed next to your windows or outside Keep your door a very large meter away so the neighbors next door can see at a glance that you have a noise problem! (I wonder if anyone is selling any flags that a person is about to file a civil lawsuit?) 6) For the ADVANCED BAFX3608 dBA/dBK Meter: This dBA enabled device works much better than dBA enabled devices and notices clearly the lower frequency range of noise displayed by small 4-stroke engines. CON1) Familiarize yourself with the peak level button, otherwise you may find that you are not getting the results you want.2) There is no setting for the auto off function. (i.e. if you plan to leave this device for more than a few minutes, it will turn off automatically.) Read. For example, the device defaults to dBA and fast reading when you first turn it on. I prefer to always measure dB and slow, mostly dB as it tends to see the lower frequency range better than dBA, and choose slow/medium readings to average out anomalies rather than easily seeing a distracting spiked audio anomaly . Probably when recording, the slow read option is more desirable unless you're trying to track very short bursts of audio like gunshots, and then faster reads for capturing short bursts of audio are desirable. 4) For the BAFX3608 ADVANCED dBA/dBQ meter, such a simple device, while already a well-defined Windows-only software, should be able to (and probably already does) output simple streams of data using libUSB, which can be easily Can be transferred to a text file for graphing by other open source tools. (I'll have to use WireShark to further investigate the protocol being used, whether it's serial or libUSB. USB Manufacturer Device ID: 64bd:74e3 "SM".) Sync the time to the computer if you're about USB connected, but this option does not exist. 6) For ADVANCED BAFX3608 dBA/dBCh meter, the brochure included with the meter contains a URL to download a copy of the software (e.g. SLVersion2). .exe), but in fact it is an old copy of the software from 10/07/2015, and the latest version (at the time of writing) is already packed in the box of the device with a small mini-CD-ROM. (CD version is SoundLabSetup20160720.exe or from 07/20/2016). It would be nice to have a USB function for computer logging or memory for logging, as well as easy transfer (regardless of the operating system) to a computer for copying. (This feature is now available in the larger advanced BAFX decibel meter.) NOTES. The ADVANCED BAFX3608 dBA/dBh meter contains a SILICON LABS C8051F320 8051 8-bit USB microcontroller chip with firmware that registers the device in Windows Device Manager as both a HID COMPATIBLE DEVICE and a USB INPUT DEVICE. USB Product Vendor ID and USB Device Model: 64bd:74e3 "SM". The device will likely contain closed-source firmware that will likely contain minimal addressing with arguments, commands to initiate retrieval of recorded recordings, directing the device to start sending real-time data, and commands to get the current time and send the contains the current time. If I had more time, I would provide some C code to perform these functions, but it's a tedious work compared to the specs or code already written. The hardware manufacturer must provide firmware specifications (e.g. in PDF format) to communicate with the device via ASM/C programming code. (e.g. Uniden provides specifications for their firmware used in their hardware products, although these are sometimes difficult to find).
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