New In 2024, The Quiet Revolution Cutting-Edge Approaches to Taming Sibilance in Audio Editing

The Quiet Revolution: Cutting-Edge Approaches to Taming Sibilance in Audio Editing

Creating content can be fun most of the time. The shoot is perfect and the scenes are spotless. You are confident that you got everything right. But then, when you listen to the recording, you notice a continuous hissing sound. This takes you back as you have to decide to remove hiss from audio before editing the video. Luckily, several hiss removal approaches will work just fine. In this article, we take you through the audio cleanup process to help you with your hiss reduction efforts.

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Part 1. Audio Hiss: What is it and Why Remove it

A hiss is a broadband noise across the audible spectrum of your audio. It becomes more intense in high frequencies, affecting the quality of the vocals and instrumentals in your audio. A hiss could sound like blue noise and is often caused by the electronic components themselves, which is referred to as self or inherent noise.

A hiss is measured by decibels and is usually difficult to avoid because it is produced by electronic components. You will usually hear the hiss as air that is getting out of a narrow passage. You may also hear a reverb, which is a sound that occurs in space and sends sound waves out in all directions. Since this is a component of the original recording, it is impossible to delete it. However, hiss reduction is possible with the right editing software.

Causes of Hiss in Audio Recordings

Electronic components such as microphones, video cameras, and interfaces create self-noise because of the heat energy created by the moving parts
Audio circuits generate self-noise, with the noise floor being the level of the inherent noise in the circuit
Screening and quality of electronic components, which cheap and poorly made equipment producing more hiss
Poor-quality audio cables contribute to hiss and hum when they are picked up during recording

Importance of Removing Hiss for a Professional Sound

Removing hiss from audio is important for a professional sound because it makes the sound clearer and polished. The polished sound leads to

Improved clarity and focus on the main vocals or instruments in a recording sound
A more professional and smooth sound
Increases listener engagement
More understandable vocals and more vibrant instrumentals

Part 2. Remove Hiss from Audio With Premiere Pro: Step-by-Step Guide

When you discover hiss or reverb sound in your recordings, you may use professional video editing software to reduce it. Audacity remove hiss is a good option when you are on a budget. However, it may take longer and require more effort to reduce hiss with the software. Another great and effective approach is to remove hiss Premiere Pro. The software removes hisses, background noises, and low ambient noises in your recording. Let’s explore the steps you need to take:

Step 1: Set Up Your Project

Once you have downloaded and installed Adobe Premiere Pro, launch it on your desktop. Import the audio files with background noise or hiss.

Go to File, then import and select the files you want from your computer. Another way is to drag and drop those files from your computer’s folder onto the Premiere Pro. Then create a new sequence by right-clicking on the files and selecting New Sequence or drag the files into the Timeline.

Step 2: Add the DeNoise Effect

Hiss removal on Premiere Pro is made possible by the denoise effect. On the Windows menu, find effects and make sure the DeNoise has a checkmark on it. All the effects available are accessible on the Effects tab from the project panel. Type DeNoise in the search box, click and drag it to the audio track, then play the audio to listen to the effect in action.

Step 3: Adjust Settings

When you add an effect to your clicks, it shows in the Effects Control panel. Adjust the custom settings of the DeNoise effect until it sounds just right. Open the Clip Fx Editor from the Custom Setup to modify the amount of DeNoise you want to apply. The Gain slider and presets allow you to make appropriate adjustments.

Step 4: Repair the Audio

Using the Essential Sound Panel, repair the audio appropriately. The panel offers tools for removing background hisses and noises affecting your recording. With those simple 4 steps, you will reduce hiss in your recording and make your audio clearer.

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Part 3. Remove Hiss from Audio with Wondershare Filmora : Quick Alternative

Wondershare Filmora is a great video editing software with great audio capabilities. When removing reverb and hiss in your audio, the AI Audio DeNoise feature automates the process. Filmora combines AI algorithms, helping you to remove different kinds of background noises in video and audio files. There is also a wide range of features that make editing with Filmora a breeze. With the AI Copilot, you have a virtual friend to help you in every step of your editing journey.

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AI Audio Denoise

Removing hiss and other background noises with Filmora is quick and easy with the AI Audio DeNoise feature. The AI DeNoise features offer several benefits that automatically improve the quality of your audio:

Removing Background Noise Accurately: Users have three noise reduction options to use separately or combined for accurate noise reduction. The first is AI Voice Enhancement which increases the voice in low volume, removing a small amount of background noise. Then you have Reverb Reduction which reduces audio reverberation to improve the clarity of voice in reverberant environments like empty halls. The other option is Hiss Reduction which removes electrical noise from audio transmission and recording devices.
Clean up Audio: The AI-powered feature reduces background noise easily and efficiently. Save more time editing your files while improving the audio quality.
Meet Needs of Multiple Scenes: By reducing or removing noise from your video, the AI Audio DeNoise feature helps you produce quality videos and audio for all scenarios. You can edit the audio specifically for a podcast, an online meeting, or even online courses.

To remove hiss and reverb from audio with Filmora, follow these simple steps:

Step 1Import and Select the Audio File

Once you launch Filmora, import your audio or video files to Filmora and add them to the Timeline. Then click on the clip you want to remove the noise and the audio settings window will appear.

Step 2Adjust Audio Appropriately

Adjust the audio denoise functions to improve the quality of the audio. This includes the hiss reduction, reverb reduction, and voice enhancement. This will improve the overall quality of your audio.

Part 4. Tips and Tricks to Avoid Hiss and Reverb Noise

The problem of hissing sound and reverb noise usually comes from the equipment itself. However, some background noise may add to the problem. Making a few adjustments to the recording stage may help in reducing hiss and background noise:

Optimize the Recording Space

The noise-producing items in your recording space may add to the hissing noise in your audio. While most of the noise may seem innocent, they may amplify themselves when listening to the recorded footage. Optimizing your space before you start, such as closing the windows and doors or turning off your electronic devices will help to reduce the noise.

Reduce Subject-to-Microphone Distance

Keeping the microphone as close as possible to the subject will drastically improve the speech-to-noise ratio. The microphone will record more of the subject’s voice than the background noise, giving you a clearer audio output.

Use a Microphone with Gain-Boost

An enhanced gain microphone preamp helps to reduce hiss and notice from the audio in an incredible way. Specifically, the camera’s preamplifier does not add gain because the volume setting is kept low.

Use Directional Microphones

Usually, microphones signal outside their axis. This is often the case for cardioid polar and short gun patterns. This quality is great for reducing noise when you use directional microphones. The microphone will only focus on what you are interested in, ignoring the background noise.

Turn Off Camera’s Auto-Gain

The AGC or Auto Gain Control feature is popular in modern cameras. It automatically adjusts the gain for low- and high-volume sounds to make them even. However, it can enhance everything for a quiet setting, causing hissing background noise. Turning the feature off gives you more control over what sounds to focus on.

Reduce the Number of Open Microphones

Open microphones will continue recording audio even when you are not interested in that sound. Keeping this number low will help reduce hissing sound by focusing only on what you are recording.

Conclusion

Hiss and reverb background noise is an annoying problem. The unwanted sounds affect the quality of your audio and the level of engagement in your footage. While eliminating causes of hiss when recording is the best way to reduce it, sometimes you may notice when it is too late. Using the right editing software will help you reduce the noise and improve the quality of your audio. Wondershare Filmora allows you to do this with the AI Audio Denoise feature. The AI-powered feature will automatically reduce hiss noise and reverb in your clips, giving you clearer and more engaging audio.