2022.01 — 2023.02

Noise Eraser APP & Website

A new noise reduction product/service.

Product Link :

Goal

We want to provide the user with a better denoise experience, and give the user advanced functions in the denoise field.

Product background

Noise Eraser is a market-leading online denoise service. It helps to identify and extract the background noise from the sound file and improve the clarity of the human voice in the audio file.

Role

Product Designer

Deliverables

User Interview
Usability Test
User Flow
Wireframe
Design System
Iterations

Design Tool

Figma

Cooperate with

1 PM
1 Android & iOS Engineer
1 Front-End Engineer

Achievement

+91% Number of active users
+17% Number of members
+5% Total analysis count
+0.61% Total subscription count
+5% Total download count

Get to know more about persona,  user journey and their pain point

Define questions and problems

Figure out the solution

Validate ideas(Tracking data & User Interview & Usibility Test)

Get to know more about persona,  user journey and their pain point

Define questions and problems

Figure out the solution

Validate ideas(Tracking data & User Interview & Usibility Test)

User Research(User Interview & Usability Test)& WorkShop

User research insights

1. Unclear state presentation
2. Inconsistency in the operation methods between WEB and APP
3. Features that users intuitively expect but are currently missing

" I'm not quite sure what filter I'm currently using, and I don't know the differences between the filters underneath. "

Problems

1. Unclear state  
2. Inconsistency in the operation methods between WEB and APP
3. Missing basic information and functionality
4. The outcome is not aligned with the user’s expectation

1. Unclear state

The noise reduction effects vary for each video. Some files show little difference before and after noise reduction, making it difficult to experience the product's noise reduction capabilities. This may mislead users into thinking that our product is not effective.

2. Inconsistency in the operation methods between the WEB and APP

Voice/Noise Ratio Bar adjustment is only presented and adjustable in the 'Custom' mode in the APP. On the Web, it is presented and adjustable for each default set.

Voice and background sound, if set to the same value, actually results in no reduction of either background sound or voice.

3. Missing basic information and functionality
4. The outcome is not align with user’s expectation

When users finish the voice adjustment, and share the link with other people. They expect the share page to be the result of the user's real-time noise reduction adjustment, but we provides a before-and-after noise reduction comparison.

Solution

1. Help users understand their status

Clicking on other filter buttons(except for the customized button) will display the ratio of background sound and voice. The slider remains fixed which can help users understand the differences between different filters.

2. Consistent operation between WEB and APP.

Add the edit function of the file name.

Make the prime icon the same between different platforms.

Also, the original voice and background sound is divided into one side for voices and the other for background sounds, with a total of a 100% ratio of voices and background sounds. Considering responsive web design (RWD), icons are used instead of text for presentation.

When users hover over the background and voice icon, a tooltip notification appears above the icons.

When users click the different buttons, a tooltip notification appears on the video to inform the user of the currently used filter.

4. Make the outcome meet the user’s expectation

Result

The results are in, and the redesign this time around has been successful in many aspects. It has significantly elevated key business metrics and user engagement. We've also received a lot of positive feedback from users.

User Feedback

Apple Store
Google Play

Design System

Component (Application &Website)
Application
Website

Website & APP UI

Takeaway

1. People are familiar with the meanings of certain icons. Therefore, it is preferable to use commonly recognized icons that align with the accompanying text. When employing less familiar visual styles or icons in conjunction with text, it becomes necessary to educate users about their meanings. Failing to do so may lead to user confusion with unfamiliar icons.

2. Create a core library containing components that can be utilized across all products, streamlining the efforts of engineers and designers. This approach not only saves time but also speeds up the overall product development process.

3. Involving engineers in the research process helps them understand why designers make certain design choices, leading to greater support for designers' ideas and smoother collaboration. Understanding the language of collaboration partners (engineers, PMs) makes communication more convenient for all parties.

4. Recognizing that we may not always be right allows us to be more receptive to different opinions.

5. Communicate with anyone confidently and tactfully, adopting an attitude that is neither overly humble nor overly assertive. Always approach communication from the perspective that benefits both the company and the users.

6. I should assume that the output of design must be somewhere I can improve it, so that I can prevent bias or preconceived ideas, especially having different opinions.

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