How to record and edit sound from microphone and free Audacity software
How to record sound from the microphone? Many owners of Windows computers are probably for these purposes watched a regular utility for sound recording. But, alas, even the versions of Windows 10 where the utility of a sound recording presented in a new format – universal app with basic functions, are unlikely to want more than to write everyday notes. To create a quality sound recording with a microphone it is necessary to resort to third-party audio editing program. Professional audio editors on the market soft enough, and it usually paid programs. Free record audio from microphone, cut the audio, or apply simple effects by using the mass of the minimalist program, with focused functionality. To provide full functionality for working with audio on a professional level for free – it can a few developers. A rare exception is the creators of the program Audacity. Below we will understand how to use this program in Windows to record audio from microphone and edit the audio.
on its official website. In most cases together with the installer of the program itself will also need to download and install the Lame MP3 encoder. The fact that Audacity works with audio file projects in native format. Once completed, these projects are exported to a particular audio file format. The audio formats WAV, AC3, Flac and other Audacity can export their projects without additional tools. But to export the projects manually in the audio files to the popular MP3 format will need to install the system this utility encoder.
So, download the installers of Audacity and Lame MP3 encoder.
And installed: first the program, then the utility-encoder.
3. Record sound from microphone
Before you start recording audio from the microphone, pay attention to system options control microphone built into the Audacity interface. Directly in the program window, without resorting to system settings Windows, you can adjust the microphone volume, select recording need a microphone if there are several devices and set the mono or stereo sound.
Record sound from the microphone is controlled by the round buttons on the toolbar Audacity. To start recording audio from the microphone, click the button with the red circle. To stop recording, press the button with the yellow square. During recording you can pause: this is pause button with two blue vertical stripes. She pauses the recording process, she starts it again after a pause. After recording created audio track, you can listen to by pressing the start button with the green triangle.
As mentioned, Audacity works with a proprietary project file format AUP. Files with this extension will not open any other program – no audio editors or players. This file type is designed only for Audacity. Created by sound recorder if you intend to further edit them, better to save it in the format of the project. This eliminates the hassle of importing a regular audio files (adding tracks to the timeline of the program) that in cases with large volumes can take time. The AUP files in Audacity window opens immediately, with the launch of their possible conventional double-clicking from Windows Explorer. To save the created audio track in the file-Audacity project, click menu «File» and select «Save project as».
Next, choose a folder to save, specify the name of the file and save.
To add something to an already created audio or further open from a project AUP, click on the alphabet K (to place the cursor at the end of the audio track), and then click start recording. On the timeline there will be new, the second audio track.
When you stop recording, put the cursor on the second sound track at any place and press the J key to automatically move the cursor to the beginning of the track. Then press Shift+End to highlight the audio track and Ctrl+X to cut. On the first audio track and click anywhere, then click key Latin K, the cursor moved to the end and then use Ctrl+V to insert the cut track.
Amended project Audacity by pressing Ctrl+S again to save in the format of the AUP, even if expected to continue or edit the recording. If the recorder has found its completion, you can begin to export to a file, a common audio format.
4. Export the recording in MP3 format
To export the created or open from the project AUP recorder, for example, in the file of MP3 format in the menu «File» of the program, select «Export Audio».
In the opened Explorer, specify the save folder, specify the name of the audio file and Audacity of supported formats under «file Type» to select, respectively, MP3. Click «Save».
Next, fill in the table metadata of the audio file, the data will be displayed in the players. But it’s not necessary. In any case, click «OK».
You can look for the recorded audio file in the save folder.
5. Edit the recording
To the created or open from the project AUP recording you can apply different effects. The program Audacity has quite an impressive set of operations to improve or change audio tracks. All of these effects are in the menu «Effects».
All of them can be free to experiment, if necessary, cancelling their use Ctrl+Z (step back). Below we consider only the basic operations.
To remove a particular piece of recording – silence, once the words spoken, this plot you must select it and press Delete. For ease of selection of such sites, you can use the zoom tools audio tracks, embed in the window, selected area or the entire audio track.
If the pre-record sound the microphone volume was not set at the optimal level or just dealing with a weak budget microphone, amplify the signal at any time on an already recorded track. In the menu «Effects» select «signal Enhancement».
Adjust the slider to the volume level, set active the option «Allow the overload signal» and test the whole thing with the Preview button. Upon reaching the desired result click OK.
To improve the quality of the sound will help the noise-reduction effect. On the sound track, you must choose a small plot of silence and highlight it. Next, click the menu «Effects» and select «Noise Reduction» (noise reduction).
In the appearing small window you can set some parameters of noise suppression. You can experiment with them, exposing those or other values, and test the button «Listen». To determine the noise parameters, click «OK».
Will see how the signal on a selected portion priglasite.
This is the model noise, which then need to be applied for the entire audio track. Allocated all of it with a double click, or press Ctrl+A and repeat the process noise suppression – go to the menu «Effects», select «Noise Reduction» and in the window parameters of the noise hit «OK».