Using the audio recorders

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The audio recorders at Laban Library are very flexible and enable you to get a really high-quality recording.  Using all of the features can get a little complicated which is why we’ve put together this article to help you get started.

What's in the case?
  • Audio recorder
  • Power supply
Audio recorder front view
Front
Audio recorder left side view
Left Side
Audio recorder right side view
Right Side
Audio recorder screen interface infographic
Screen Interface

Click to view the images full screen.

Preparing for recording

Battery / power supply

The audio recorders available for loan are supplied with a power adapter. This is NOT a charger, only a power supply – this plugs in on the bottom side of the device. Alternatively, the audio recorders take two AA batteries which are NOT supplied by the library.

SD card

You will need to provide your own SD card to use the audio recorders.

Begin by inserting your SD card into the slot on the right-hand side of the recorder. Please note that the recorders will not work with an SD card over 32 Gb in capacity.

Turning on

The ON switch is on the left-hand side at the bottom. Pull the switch down and release. The screen will come on and light up.

Headphones

You may want to use headphones to monitor the sound whilst recording, simply plug headphones into the headphone socket on the left-hand side.

Pick up area (90º / 120º)

The built-in microphones at the top of the recorder can be angled differently depending on your recording situation. Simply twist the microphones between the 90º and 120º positions – 90º will focus the recording more, 120º will pick up sound from a wider area.

Changing Settings

Setting Date and Time

You may want to set the date and time so that the recording metadata is correct. To do this press the MENU button on the right-hand side and use the scroll wheel to navigate to SYSTEM then DATE/TIME. Press the scroll wheel to select each option. Use the scroll wheel to set the date and time then select OK when done. Press MENU again to exit the menu.

Mode

Ensure that the MODE is set to STEREO by looking at the 3 red lights above the screen – the light farthest left is the STEREO indicator. We recommend using STEREO mode.

Save folder

Next select the save folder by pressing the FOLDER button (farthest left) underneath the screen. There are 10 folders to choose from – remember which one you choose as you will need it later. Use the selection wheel at the top of the right-hand side and scroll through the folders. To select simply press down on the scroll wheel.

Recording Formats

We recommend using .WAV 48kHz 24bit to record in. The audio recorders can also record in .MP3 format but the quality of your recording will be reduced due to .MP3 being a more compressed format.

Recording

Setting recording level

Press the RECORD button once to enter recording mode. Recording mode is paused with one push and begins recording with 2 pushes. You can see whether or not recording is active or paused on the screen, or by the record button itself – it will flash when paused and stay on while recording. While recording mode is paused, you can set the recording level with the buttons on the right-hand side of the recorder labelled MIC LEVEL. Make sure that you don’t let the levels get too loud or your recording will be clipped – this is indicated by the ‘lights’ on the screen to the far right of the audio metre.

How to record

Once the recording level has been set, press the RECORD button again to start recording. You can see the recording time on the screen, as well as the audio level.

Watching the levels and clipping

If the audio level gets too high, the sound will clip. This means that the sound source is too loud for the microphone and the recording level will have to be reduced. Clipping causes distortion on the final recording. You can see if clipping has occurred by looking at the right side of the screen – at the right-end of the audio metre – there are little ‘lights’ which will be filled in when clipping has occurred.

Stop Recording

Press the STOP button to stop recording – the light on the RECORD button will go off and the icon in top corner of the screen will change to the stop icon.

Post-recording

Playback

In order to playback your recordings simply select the recording you wish to play using the scroll wheel, then press the PLAY button.

Transferring files from SD card

Once recording is complete it’s time to put the files onto the computer. Simply switch off the recorder and eject the SD card. Put the SD card into your computer (either in the SD card slot or via a USB SD card reader – available to borrow from the library) and open the contents. You will find 3 folders – one for each recording mode. Open STEREO folder (or the folder corresponding to the mode you recorded in). In each of these three folders there are 10 subfolders labelled 1-10. Your recording is in the folder which you specified back at the beginning of the recording process. Simply copy and paste or drag and drop the file/s (the default file name is STE-000.wav) on to your computer.

 

For more advanced use please refer to the Zoom H4n Manual.

Updated on 25th September 2018

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