How to remove noise from recording

Double-click the recording track to enter the single-track interface, select the noisy part, pay attention to the part that must be smooth, don't look like the barbed part, and then click the effect to select the noise cancellation--- noise denoiser--- noise sampling --- OK--- and then adjust the noise level to more than 80, preferably not more than 85---OK--- then select the entire part you want to denoise--- select the effect, select the noise cancellation--- noise denoiser---OK. Give it a try.

For track 2, which is your recording single track, select the section before you record the sound, select denoise in the effect, select noise sampling after entering the interface, select save sampling after sampling is successful, and then push out and select all waveforms and then enter the denoising interface, select load sampling, and wait a few seconds after clicking.

Select the audio you recorded (that is, track 2), and then look at the left side of the interface, there is a special effect one, which has "noise removal", which also includes different noise cancellation, select the one you need, and then a noise sampling dialog box will pop up. Then let the software sample by itself, select noise cancellation after sampling, and the software will start to remove the noise, and there will be a prompt after the elimination.

With a dryness reduction function.

When you record, you take a sample of the dry sound, and then you're good to go.

First, my original tricks.

Take a discarded wire of sufficient length (the kind of two together) and peel about 10cm on each side to form a shape.

One end is wrapped around a small hole in the metal panel behind the case, screwed it well, and the other end is connected to yourself during recording, such as around the ankle, and also maintains good contact (rest assured, there is no danger), so as to eliminate the potential difference between the chassis and yourself, and there will be no interference current during recording.

You can go and try it, it works well. Anyway, I couldn't get it right.

Second, if you want to use a plug-in to reduce noise, you can use the noise canceler in the recording software Cool Edit. You turn on the Effects-Noise Cancellation-Denoiser, and then you plug in the microphone, just like you did when you were recording, and then don't speak, and click on the noise sample in the denoiser, and then the background noise is sampled, and you save this sample as a noise file. After that, if you want to denoise a certain waveform, then reverse that waveform, bring up the denoiser, load your sample file, and then select the noise reduction level between 0-5, not too big, preview it, listen to whether it is appropriate, the level is too small, the noise residue is relatively large, the level is too large, the original sound will be destroyed.

After that, it's OK to be sure.

Cool Edit Pro denoising pay attention not to directly sample and denoise the recorded sound, you don't record a blank waveform before recording a song, and then choose to sample the noise to denoise, and then select the sound you just recorded and use the noise sampling rate to denoise. If you choose to sample the sound you recorded, it will default to your voice being noise, so it will be very small in the future.

Simply indirectly take out what you think is noise, and then in the Effects, Noise Processing, Noise Reducer, Noise Sampling, Save OK, OK, and you're good to go.

Record a piece of sound first, don't have any sound at all, just put the microphone there to record a section, be quiet, then the recorded is the ambient noise, enter the single track after recording, use the noise canceler in the noise reduction option, there is a noise sample, click to collect the newly recorded environmental noise and save it to a location you can remember, and the next recording can be found. After recording, open the single-track mode of your recording track, click on the noise denoiser, load the noise sample, open the file just now, and then click on the noise reduction! Give it a try.

1. First of all, open this software, the accompaniment is used to be placed on the first track, and the first demonstration is to record on the second track.

2. Open the second audio track, which is the audio track that was recorded, and this is what it looks like.

3. Amplify the sound, and standardize the effect - waveform amplitude - volume. That's what zoom is all about.

4. Find a relatively stable waveform and sample the noise, such as this one.

Use the left mouse button to select, and that's it after the selection.

5. After selecting, select Effect - Noise Cancellation - Noise Reducer, select Noise Sampling, and then click Close.

6. Double-click to select all waveforms.

7. Then enter the noise canceler and click OK. Later, you'll notice that the waveform file will look like this.

Record a blank paragraph before recording. Then go to CE and select the denoiser in the Noise Reduction option of the effect. I use Audiition, just click on the noise reduction.

Then select a blank paragraph that you recorded. Then point to the noise denoiser's noise sampling. After sampling, click to turn off, and then select all**.

Point denoiser, point OK. The noise reduction is complete. The distortion rate is so low that it's almost inaudible.

There is a principle with CE that if you can reduce noise, you will not reduce noise, because no matter what method of noise reduction, it will have an impact on the true sound. In addition, the FFT noise reduction on the 2nd floor is not good, and it is not as good as the wavelet transform. Suggest the old practical method of noise sampling!

cool

EditPro beginners can only remove noise with stable and regular frequency, such as the hungry sound of turbulent air in the environment, and the occasional human voice is difficult to remove, and it will cause a great loss of the original sound.

Here, there is a recording of the noise to remove.

Cool Editor recording problem.

Cool Edit Pro tutorial:

**Tutorial.

Direct noise reduction is not good, cool

Editor generally uses the method of noise sampling, so it is recommended that you read the tutorial first.

In the we see opposition and development you are still right.

The reasons for the noise in the recording: 1. There is a problem with the microphone or the microphone cable is not shielded well (or not shielded), you can find a friend who knows how to repair home appliances or take it outside to repair; 2. The microphone plug and the sound card socket are not in good contact, please plug it back in; 3 is to record the ambient noise, which you can only wait for when it is quiet. There are many kinds of noise, and you can use the noise cancellation feature of Cool Edit Pro to see if you can remove the noise.

First, double-click the recording track to enter the single-track interface, and then select the noisy part. It should be noted that you must choose the smooth part. Don't pick the part that looks barbed, then click on the effect to select the noise cancelling --- noise canceller--- noise sampling --- to determine--- and then adjust the noise level above 80.

It's best not to exceed 85--- OK--- then select the entire part you want to denoise--- select the effect, select Noise Cancellation--- Denoiser--- OK.

If you do this, the noise will be basically eliminated.