9 Best Free Audio Enhancer Software For Windows

Here is a list of best free audio enhancer software for Windows. Everyone loves better sound quality, and using these software, you can improve audio quality to get enhanced audio listening experience. Also, you can remove undesirable audio frequency components, such as ambient noise from your own recorded audio. These software help to remove humming and hissing noise from audio.

Some of these software let you perform audio enhancement in real time, while many of them let you edit audio files, and save enhanced files in your PC. Also, they provide a variety of filters to selectively remove undesired frequencies. Most of these software consist of HPF, LPF, BPF, etc. filters. All these tools help in audio enhancement. Additionally, you can change bass and treble, remove distortion, amplify audio level, and add normalization effects to audio files. You can also add many other audio effects including phaser, flanger, vibrato, tremolo, Doppler, chorus, etc. Equalizer, normalizer, bass, tempo adjustment, pitch shift, etc. options are also available in most of them. 

My Favorite Audio Enhancer Software:

Audacity is my favorite. It is a well known audio editor which lets you change various audio parameters to enhance audio quality. It provides noise reduction, frequency smoothing, and various types of filters to improve audio quality. Moreover, you also get options to boost audio level, boost bass and treble, remove distortion, add audio normalizer effect, etc.

DFX Audio Enhancer is also a good software as it lets you adjust audio parameters in real time.

You may also checkout the lists of best free Audio Splitter, Audio Joiner, Audio Normalizer, and Audio Speed Changer software for Windows.

Audacity

Audacity is a free software that can be used as an audio enhancer software. It is a well known cross platform audio editor software.

Audio enhancement can be done primarily by removing the noise associated with the audio. To do so, go to Effects > Noise Reduction option. From there, you will get the noise profile for the selected portion of the audio file. After that, it lets you specify the amount of noise reduction in dB, sensitivity, and frequency smoothing (bands). Now, you can remove the noise to enhance audio quality.

Additionally, it is loaded with filters, namely, high pass filter (HPF), low pass filter (LPF), and notch filter. Using these filters, you can remove desired/most noisy frequency components to adjust/enhance audio quality.

It provides a number of audio effects. To enhance the audio quality, you get various tools to adjust many parameters related to audio amplitude and frequency. It lets you change bass, treble, remove distortion, amplify audio level, compress and remove noise, add normalization effect, etc. You are also provided with amplitude limiter for mono as well as stereo audio channels.

All in all, it is one of the most versatile audio editor, which serves multiple purposes like converting WAV to MP3, noise reduction, etc. You can explore more about this audio enhancer tool by downloading it.

Expstudio Audio Editor

Expstudio Audio Editor is another free software that can be used as a free audio enhancer software for Windows. It is also an audio editor software.

Audio enhancement can be performed by removing noisy frequency components from the audio. To do so, it facilitates you with various kind of filters, and specified Noise removing tool. By going through Effects > Noise option, it lets you remove White noise and Gaussian Noise components (having strength up to 60 dB) from the selected audio.

In addition to removing noise, you can also filter out undesired frequencies from the audio file. This can be done by performing appropriate filtering operation, and to do so, it provides a variety of filters including high pass, low pass, notch, peak EQ filter, FFT, FIR, etc.

It also lets you perform audio amplification, normalization, tempo adjustment, equalization, pitch shift, etc.

Apart from audio quality enhancement, it can also be used as a voice changer, audio trimmer, pitch shifter, etc. You can also change the sampling frequency and channels (mono, stereo) of the audio.

WavePad

WavePad is another good audio enhancer software for Windows, but is free for non-commercial use only. Using this software, you can enhance audio quality by mainly removing noise. To do so, you can either choose direct option provided to reduce noise, or use various filters to do the same.

It provides Noise Reduction options, which let you access other noise related options to perform auto spectral subtraction, multi band noise gating, and grab noise sample for selected area. Using these noise reduction methods, you can use some presets to either change silence to audio proportion ratio, or adjust noise level (in dB) to remove hissing and humming from the audio. It also comes with low and high pass filters to selectively filter out undesired frequencies from the audio.

Other than audio quality enhancement, you get options to equalize, amplify, normalize, reduce vocals, change speed, change pitch, etc. You can also use this software as an audio trimmer, audio joiner, audio splitter, or as an audio editing software. It also lets you add some special effects to the audio, such as phaser, flanger, vibrato, tremolo, doppler, chorus, AM radio effect, telephone effect, etc.

EArt Audio Editor

EArt Audio Editor is another free audio enhancer software for Windows. Using this free software, you can adjust various audio parameters to enhance sound quality. It comes with a variety of filters that help to remove noise prone audio frequency components from audio .

To improve audio quality, you get noise reduction options to remove voice breath and cassette noise. Also, by applying available filters for appropriate frequency ranges, you can significantly enhance audio quality. As in other software, you get HPF, LPF, BPF, FFT, etc. filters in this software also.

Furthermore, you get many other options to change various audio parameters. Some of these options are: Amplify, Normalize, Compressor, Mix Stereo Channels, Fade, Chorus, Time Stretch, etc.

OcenAudio

OcenAudio is another free audio enhancer for PC. It is basically an audio editing software that can be used to perform many other tasks, like audio enhancement.

It provides various tools to enhance audio quality. These tools are helpful in reducing noise, improving audio level, smoothing audio, adjust delay, etc. Using its normalization option, you can adjust average audio loudness to enhance the audio quality. You get many types of filters (HPF, LPF, BPF, BSF) to remove noise from selected audio.

In addition to aforesaid audio enhancement features, it also has Compressor, Expander, amplitude Limiter, and Noise Gate options. You can also use this software as an audio equalizer software, as it provides two types of equalizers: 11 band equalizer and 31 band equalizer.

Furthermore, you can use it as an audio trimmer, audio smoother, audio quantizer, and audio metadata editor software for Windows.

Wavosaur

Wavosaur is another free audio editor software which can be used as an audio enhancer. It provides many options that can be configured to change the audio quality. It includes some filters to remove undesired and noisy frequency components from audio files. These advanced filters perform their jobs quite effectively. Some of the filters you get in this free audio enhancer are: Moving average filter, HPF, LPF, Chebyshev, etc.

Also, you can change various other audio parameters to enhance the audio quality as per your choice. These options include Channel Processing, Convert to mono/stereo, Pitch shift, fade in/out, etc. Also, you get normalizer, vocal remover, volume booster, resampler, bit depth converter, DC remover, etc. By using these options, you can improve the audio quality to a significant level.

Lepic audio Editor

Lepic audio Editor is another audio enhancer for PC. Apart from general audio editing, this software can help you with audio noise removal and filtering, thus helps to improve audio quality. It provides you two options to remove audio noise, namely, Voice Breath Noise Reduction and Cassette Noise reduction. Like many other software, it also comes with many types of audio filters to remove unwanted frequencies. Some of these filters are BPF, HPF, LPF, FFT, HSF, etc.

Talking about other features of this free audio enhancer tool, you get options to amplify, normalize, add choros effects, shift audio pitch, compress, perform audio equalization, etc.

FxSound

FxSound is a free audio enhancer software for Windows. This software comes in both free and paid versions. The free version of this audio enhancer comes with many limitations (discussed below), but provides necessary tools to enhance music/audio including equalizer and many sound Effects.

Its simple interface makes it one of the easiest to use audio enhancer software of this list. All you need to do is, play audio in any music player supported by this software. It supports most of the popularly used media players such as Windows Media Player, VLC media player, etc. Now, you can apply various available sound Effects to the played audio in real time, by adjusting sliders. The free version of this software facilitates you with four types of music effects: Fidelity, ambience, dynamic boost, and Bass. Also, you can change the equalizer setting for some discrete frequencies ranging up to 16 KHz range.

Apart from aforesaid features, it also lets you have music visualization as fluctuating bar graphs.

Now, coming to the limitations of the free version of FxSound. The limitations are regarding presets, and sound effects (partial movement of sliders). You get only single preset, namely, Standard Processing to use in the free version. Although, you can manually create and save new presets.

The biggest limitation is that, you can’t minimize it to the taskbar, or system tray.

DFX Audio Enhancer

DFX Audio Enhancer, as the name indicates, is another audio enhancer for PC. It also comes in paid and free versions. The free version restricts to utilize its full functionalities.

To use this software for audio enhancement, as you play music in a media player, it lets you adjust various parameters of the played audio. It supports three types of processing modes, called as Music Type 1, Music Type II, and Speech. From the interface itself, you can adjust fidelity, ambiance, dynamic boost, and hyperbass options by adjusting respective sliders. It also lets you adjust the slider movement up to 40-50% only (one of the restrictions of free version).

You get two listening environment options: Speakers and Headphones. The free version supports only Speaker mode.

Other limitations:

• It also comes with many presets, but unavailable to free users. It lets you save your own setting as presets, for later use.
• You cannot have music visualization in the free version, even though there is a dedicated space for spectrum visualization given on its interface.
• Minimization to the Taskbar or System Tray is not possible in the free version.