If you want wavepad to start recording automatically every time noise is detected, click on Advanced Recording Options and check Auto start recording. If more than one audio input device is connected to the computer, select the relevant input device in the device drop down box. A bar showing audio activity should appear. Click on the Stereo radio button and click on OK. The higher the sample rate, the higher the quality, and the more the disk space used to store the media. Select a sample rate-a sample rate is the number of permanent records made from the signal per second, the default is 44100 hz, which is the same quality of an audio CD. Make sure a microphone or an AUX wire is providing input to your computer. Then go to Effects > Noise Reduction > Apply Spectral Subtraction Based On Noise Sample. Once the selection is made, go to Effects > Noise Reduction > Grab Noise Sample From Selected Area. Select a section of the audio file that has only noise, the larger this selection, the better the noise reduction will be. There are two automatic noise reduction options available, but wavepad also allows a manual approach. Click OK, select an output folder and click Finish.įor high quality audio recordings, it is essential to reduce noise for clarity.
Change the Constant Bit Rate drop down box to 96 Kbps, and uncheck ‘high quality encoding’. Under Output File Format click on Format Options. Click on Next, ignore the commands window and click on Next again. First save all the MP3 files you want to work with in one folder, then go to Tools > Batch Convert Files and add files using the Add Folder Option. This technique can also be used to send audio files over e-mail. You can transcode MP3 files to a lower bitrate for use in your mobile phones or PMPs to save memory space. Pick one of these options and click Finish. The Output Folder has two options, to replace the files in the same folder, or to save in a different folder. Under Output File Format specify a different format or use the same format that the file was loaded in.
If you put on a lot of effects, then it makes sense to save the commands list as a batch script file just in case something goes wrong. Some effect changes, like pitch change, are handled with percentage values. For example, if you add ‘Insert silence at the start’, the default setting is for ‘0’ seconds, change it to ‘5’ or ‘2’ as per your convenience. For every effect you add, change the settings. Under Command List select ADD and add a suitable effect or effects. If you add one folder, a list of audio files in that folder appears, if you add a number of folders, just a list of folders appear. Add files using either the Add Files button or the Add Folder button. Wavepad can process files in large batches. Wavepad sound editor is a powerful audio editing software available from Working in Batches
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