I cannot stress enough how important it is to check your levels throughout the entire recording! If it goes over and into the red usually a red light appears on the display or somewhere on the recorder when this happens then the audio will be distorted. This means that it will sound fuzzy and unpleasant which means that people will be less inclined to want to stay tuned to your programme. And you don't want that to happen!
So, I normally advise students to record at around -6db as this allows interviewers and interviewees to speak louder on occasion eg, at the start of an answer without the audio distorting. If the audio is recorded at too low a level, then it will have to be boosted however - and doing this will also boost any background noise and will sound unpleasant. When it comes to editing, schools may be on a limited budget. If you have no money to spend, then allow me to introduce you to Audacity, which is free and works on both PCs and Macs.
Audacity is quite straightforward to use too - just spend a bit of time getting to know it. Play about with it and familiarise yourself with the interface. With a bit of practice, you'll be able to edit your radio news stories with ease and export them. However, if you are fortunate enough to have a bit of cash at your disposal, then I would recommend Adobe Audition. It has a very user-friendly interface and allows the user to edit and multi-track quickly and easily. There are loads of them on the market to choose from. Students will eventually have a lot of audio files to work on and it will make things easier if they name files as soon as they can.
Ask students to make a back-up copy of their audio files and then edit the original. Although doing so takes up extra storage space, it is easier than having to re-record interviews if something goes wrong during the editing phase.
Set audio recording preferences and recording audio
The back-up files can be deleted once the audio has been successfully edited. Search term:. The BBC is not responsible for the content of external sites. Read more. This page is best viewed in an up-to-date web browser with style sheets CSS enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets CSS if you are able to do so. BBC News. News Front Page.
School Report. Teachers' resources. The picture above shows the Edit window of a Pro Tools session with a single stereo audio track. At this point it is optional for the user to mute the original stereo track so that the only tracks playing audio information are the two mono tracks. Each mono track has now a dedicated channel strip so that processing can be applied independently.
A preamplifier boosts the signal of the microphone. The microphone input of your sound card probably includes a preamplifier, but it is most likely of poor quality. When purchasing a preamplifier, you can choose a small mixer or a stand-alone version. Mixers let you connect several microphones and devices to one location and adjust their volumes independently. Stand-alone preamplifiers are considered better than mixers at filtering out unwanted noises. The speakers that came with your computer are probably good enough for recording purposes. You can change some of your speaker settings if required.
However, if you are working on a laptop, use standard desktop computer speakers instead of the built-in laptop speakers. Headphones are important because when the microphone is on, speakers can cause distracting feedback. Additionally, it is best to use closed-ear headphones that prevent leaking sound which can be picked up by the microphone. A wide range of recording software is available. Important software features include editing functionality to fix mistakes , music and sound effect options, and the capability to create the file format you require such as mp3 or WAV.
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After you have acquired the necessary audio equipment, the most important action you can take before recording is an obvious one: find a quiet place to record. Try closing doors, turning off any unnecessary computer equipment, turning off or lowering lights, turning off phone ringers, beepers, and pagers. Inform your coworkers that recording is in progress. After you have acquired the necessary audio recording equipment, ensure that it is set up properly. Then, set the volume on your mixer or preamplifier. Begin speaking to test the volume levels, and carefully raise the volume until it shows just under zero.
Open the software application that controls the sound card. The sound settings are located in the Control Panel. Audio recording software settings. Start your audio recording software. Change the settings as necessary. Note that mixers and preamplifiers do not have sound-level controls, so you rely on the meters when recording. While recording, ensure that you do not exceed zero on the meters, or the sound will be distorted.
Positioning your microphone correctly can make a big difference in the finished audio file.
First, get close to the microphone within 4 to 6 inches , so any other nearby sounds have less chance of being recorded. Don't speak down to the microphone; instead, position it above your nose and pointed down at your mouth. Finally, position the microphone slightly to the side of your mouth, because this can help soften the sound of the letters S and P. This trick can eliminate breathing and lip-smacking sounds frequently recorded at the beginning of audio tracks.
Speak slowly and carefully. You may feel that you are speaking artificially slowly, but you should be able to adjust the speed later by using your audio recording software. Finally, bear in mind that you don't have to get everything right the first time. You can listen and evaluate each recording and rerecord if required.
Editing sound is similar to editing text. Listen carefully to your recording. Delete any extraneous sounds and then use the options available in your software to polish the track. Add any music or sound effects you require.
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Make sure you save your audio track in the correct format mp3 or WAV files. Adding audio files to Adobe Captivate. When you are finished recording the audio file, add it to the Adobe Captivate project. After you add the audio to the Adobe Captivate project, listen to it again. Play the project as users normally would. If necessary, edit the audio file again. Audio files present the common challenge of balancing quality against size.
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The higher the sound quality, the larger the file size. The more you compress a sound and the lower the sampling rate, the smaller the size and lower the quality. Adobe Captivate lets you control the way sound is recorded and compressed based upon your input and output requirements. Creating audio in Adobe Captivate is essentially a two-part process. When files are in WAV format, they have a degree of flexibility. When working with audio, keep your users in mind.
STEREO RECORDING PROCEDURES
In the best development case, experiment to find the optimal balance between sound quality and file size for your users. Using Adobe Captivate, you can record an audio file for a single slide, group of slides, or for the entire project. Note: For slides with unique audio files, the Timeline of the slide is stretched to meet that of the audio file.
However, audio files for a project are cut short if they exceed the project Timeline. Record the audio file for a group of slides starting with the selected one. To finish defining the range of slides included in the group, enter a slide number in the To field of the Record Audio dialog box.
The basic audio mixing workflow
Creates background audio for your project. For details, see Create background audio. In the Audio dialog box, configure the following according to your preferences: SWF Preview The recording window displays a Preview panel where you can view the project as the audio gets recorded. Continuous Play Select this option if you want the file to play until the end of all the selected slides or the end of the project.