Selected Region
Many of the edit functions
below apply to the selected region. To mark the selected region
you can either click and hold down on the wave window and drag the
mouse or press and hold down the shift key while moving in the file.
To select the entire file press Ctrl+A.
Undo(Ctrl+Z)
& Redo(Shift+Ctrl+Z)
To Undo/Redo is to restore/repeat
the file to its state before the previous edit function. To undo
your last action press Ctrl+Z. To redo your last action press Shift+Ctrl+Z.
Cut(Ctrl+X)
To 'cut' is to delete the
selected region but to keep a copy on the clipboard so it can be
'pasted' somewhere else. This is useful when moving parts of the
audio around in the file.
To cut select the region and then
press Ctrl+X.
Copy(Ctrl+C)
To 'copy'
is to make a copy of the selected region to the clipboard so you
can paste it in another location. This is useful if you want to
duplicate a part of the audio and insert (or mix it) in another
file.
To copy select the region and then press Ctrl+C. To
copy the entire file press Ctrl+A-C.
Paste(Ctrl+V)
Paste can only be used after you have used the Cut or Copy functions
(above) to take a selected region to the clipboard.
The paste
function replaces the current selected region (or inserts if there
is no selection). To replace a selection press Ctrl+V. To insert
click on the position and press Ctrl+V.
Crop
With “Crop” you can select the part of a audio file you want and
cut off the other parts.
Trim(Ctrl+T)
To 'trim' is to cut off the beginning and the end of the file so
only the selected region remains. This is useful when you have just
recorded a file but there is silence or noise before the start or
after the end. Select the part of the file you want to keep and
then press Ctrl+T.
Mix File
This is the same as Mix From File (above) except that you specify
a file to mix instead of having to copy the audio to the clipboard
first. See the Mix From File section above for more information.
Mix From File
This function takes the
audio you have previous copied or cut and mixes it with the current
selected region.
After you have cut or copied the audio you
want to mix, select the new region and use Edit → Mix From File.
You can specify the volume of the mix (that is the volume of the
clipboard audio).
Almost always the length of the selected
regions will be different. If the mix selection (in the clipboard)
is shorter than the current selection then the mixed audio will
just end when it ends. If the mix clipboard is longer than the current
selection then one of the follow can be selected. "Increase selection"
means that the mix just continues past the end until the mix file
ends. "Insert Silence" means at the end of the current selection,
the mix will be inserted until it ends. The fade out mix means that
as the end of the current selection is approach the mix fades out
- this is useful for background music beds and sfx.
A typical
example of Mix From File is where you want to mix a music bed behind
a voice over. To do this copy the music track from one file, open
the voice file select the voice (say with Ctrl+A) then select Edit
→ Mix From File and fade out mix.
Insert Silence
The menu item Edit → Insert Silence is used to insert silence
of a specified duration at or over the selected location.
Delete(Del)
To delete the selected region
press the Delete key. This is similar to the cut function but a
copy is not taken to the clipboard.
Silence Selection
This function silences the selected region. This function can
be useful to remove breaths or clicks from a voice recording without
changing the timing of the words.

Select All(Ctrl+A)
To select the whole
file press Ctrl+A.
Let’s take "Fade Custom" for example:
• Install Mp3 Editor
for Free and launch it;

• Open an audio file;

• Drag your mouse, holding left button down along the waveform
until the cursor reaches the point where you want to select a part
of the file;

• Click Operation - Fade Custom;

• Adjust the parameters and click OK.

• Check your hardware. Check the physical connection of the microphone
and make sure that it is firmly plugged into the microphone port
instead of the headphone or speaker port;
(If you want to
record from LPs, Steam Audio or Applications, please choose
Stereo Mix as Audio Source)
No channel "Stereo Mix" available?
Other possible channels for internet radio are:
"What
U Hear"
"Wave"
"Record Master"
"Stereo Sum"
• Open MP3 Editor for Free;

• Choose Options - Input Device on the main menu. Click Mic
Or Microphone;
• Adjust the recording volume for the highest possible performance.
To do this, Adjust the slider bars;

• Click Mic Volume, then adjust the recording volume by the
slider bars;
• Click Record and then speak into the microphone
and click Stop when recording is done. You could click Play to listen
to your recording;

• Click File - Save or Save AS. This saves the audio data from
the microphone as a WAV, MP3 or WMA file.

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