The noise reduction effect of the wireless narrator is not a matter of "yes or no", but rather "whether it can adapt to the situation". The types of noise in different scenarios vary, and the requirements for noise reduction technology are also completely different. For example, the mechanical roaring in industrial plants and the noisy crowd in scenic areas require different noise reduction solutions. Today, based on real test experience, let's have a good discussion about the noise reduction effect of the wireless narrator, focusing on how Yingmi, which has been deeply involved in the industry for 18 years, solves the noise reduction problems in different scenarios. We will also recommend two high-adaptability models for customers with needs abroad.
First, understand the core: What exactly does the noise reduction of the wireless narrator eliminate?
Many foreign customers have a misconception about noise reduction, thinking that "noise reduction is to remove all background noises". But that's not the case - good noise reduction is "filtering out background noises while retaining the original sound". If over-reduction occurs, it will weaken the narrator's voice, making it hard to hear and causing distortion. Especially in multilingual explanations, if the noise reduction technology is not up to par, the details of the voice will be lost, making the differences in pronunciation of different languages blurred, affecting the experience.
Based on actual usage scenarios, the noises that the wireless narrator needs to deal with mainly fall into three categories, which are the most common problems encountered by foreign customers: The first category is environmental noise, such as the noisy crowd in scenic areas, the sound of wind blowing, the air conditioning noise in exhibition halls, and the mechanical operation noise in factories; the second category is the noise from the equipment itself, such as the current noise of the narrator's device and the background noise of the microphone. These noises have the greatest impact on the experience and best reflect the product's quality control; the third category is external electromagnetic noise, such as mobile phone signals and radio interference-generated noises. Although they are not as obvious as environmental noise, they make the sound harsh and intermittent.
To determine the effectiveness of a wireless narrator's noise reduction effect, two key points need to be considered: First, the targeted nature of the noise reduction technology, whether it can precisely filter out the noise corresponding to the scenario; second, the fidelity of the original sound, whether it can retain the clarity and layering of the narrator's voice while reducing noise, especially in multilingual explanations, without causing pronunciation distortion. This aspect, Yingmi has been doing for 18 years and indeed has its own unique approach.
High-frequency scenarios for foreign customers: How to choose the noise reduction effect in different noise environments?
The usage scenarios of foreign customers mainly focus on scenic areas, industrial plants, and museum exhibition halls, as well as some customers who use them for cross-border exhibitions and academic exchanges. The noise intensity and type of different scenarios vary, and the requirements for noise reduction also differ. Below, based on real tests, let's talk about how Yingmi's noise reduction technology performs in these scenarios and recommend corresponding models for customers with needs abroad.
Scenario 1: Scenic areas/outdoor exhibitions (noisy crowd + wind noise)
Many well-known scenic areas around the world, such as historical scenic spots in Europe and natural scenic spots in Southeast Asia, have large tourist flows, with the interweaving of crowd noise, vendors' calls, and wind sounds. The noise intensity is usually between 60-80 decibels, which is one of the scenarios that most test the noise reduction effect of the narrator. Previously, a foreign customer reported that when using a certain brand's narrator in a scenic area, if they were slightly away from the narrator, they could only hear background noise and could not hear the content of the explanation clearly, especially when the wind hit the microphone, it would produce a harsh "whirring" sound.
For this type of scenario, the Yingmi R8 ear-mounted wireless narrator is recommended. The noise reduction performance of this model, as tested, is very in line with the requirements of scenic areas. It adopts Yingmi's independently developed SOC embedded integrated digital noise reduction technology, which can precisely filter out environmental noise of 60-80 decibels, mainly suppressing high-frequency noises such as the noisy crowd and wind, while retaining the original sound of the narrator. During the actual test, we conducted the explanations in tourist-dense scenic areas, 50 meters away from the audio guide, with the R8 noise reduction mode turned on. The explanations could be clearly heard, and the noise of the crowd was filtered out very cleanly, without any situation where the background noise overshadowed the original sound. Even if there was wind blowing towards the microphone, it would not produce harsh noise. This is because its microphone adopts a windproof design, combined with digital noise reduction technology, providing dual protection, effectively solving the problem of outdoor wind noise.
Scene 2: Industrial Factory (Mechanical Roaring + Equipment Noise)
Many foreign customers also use the audio guide for industrial factory visits and receptions, such as steel mills, electronics factories, and mechanical processing plants. The noise intensity in these scenarios is higher, usually ranging from 80 to 100 decibels. The main noise is low-frequency noise from machinery operation and the impact noise when equipment starts. Such noise has strong penetrating power, and the noise reduction technology of ordinary audio guides is difficult to completely filter and is prone to causing distortion of the explanation sound.
For the high-frequency noise scenarios in industrial factories, the Yingmi008A wireless audio guide is recommended. This model is specifically developed for industrial environments, and its noise reduction effect and durability have been verified through long-term actual tests. It not only equipped with the SOC embedded integrated digital noise reduction technology but also adds an intelligent noise reduction enhancement mode, which can precisely identify the low-frequency noise from machinery operation and perform targeted filtering. At the same time, it uses AI lossless original sound fidelity processing to ensure that the explanation sound is clear and without distortion. Even in a mechanical factory with a noise level of 90 decibels, each sentence of the explanation can be clearly heard.
It was found during the actual test that 008A can effectively suppress the roaring sound of equipment operation in the mechanical noise environment. The voice of the audio guide has strong penetration power. Even 100 meters away from the audio guide, the explanation can be clearly heard, and there is no current sound, background noise, etc., from the equipment itself. Moreover, industrial factories have many metal equipment and a complex electromagnetic environment. 008A is also equipped with digital secondary frequency anti-interference technology, which can reduce noise while also resisting external electromagnetic noise, avoiding intermittent and harsh sounds, and perfectly adapting to the complex environment of industrial factories.
Scene 3： Museum/Exhibition Hall (Low-frequency Background Noise)
For scenarios such as museums and art galleries, the noise intensity is not high, usually ranging from 40 to 60 decibels. The main noise is the sound of air conditioning operation, the footsteps of visitors, and slight conversations. Although such low-frequency background noise is not harsh, it persists for a long time, causing auditory fatigue and affecting the immersion of the explanation. Foreign customers' noise reduction requirements for such scenarios are mainly "to weaken the background noise and improve the clarity of the explanation sound", without the need for excessive noise reduction to avoid original sound distortion.
Whether it is R8 or 008A, their performance in such scenarios is excellent. Their noise reduction technology supports intelligent adjustment. In low-frequency background noise environments, it will automatically weaken the noise of air conditioning, footsteps, etc., while increasing the volume and clarity of the explanation sound, creating an immersive explanation experience. For example, in a museum, when the audio guide's noise reduction mode is turned on, the explanation of the exhibits can be clearly heard, and the slight background noise can be almost ignored. Even when the explanation is in a low voice, it can be clearly conveyed to every listener.
FAQ
Q1: Can the noise reduction effect of the Yingmi speaker handle extreme noise environments above 100 decibels?
A1: It is not recommended to use it in environments with noise levels above 100 decibels. The noise reduction range of the Yingmi speaker is mainly for noise environments between 40 and 100 decibels. This is also the most commonly used scenario by foreign customers (scenic spots, factories, exhibition halls, etc.).
Q2: Will the noise reduction mode affect the clarity of the explanation sound? Will there be sound distortion?
A2: No. Yingmi adopts the SOC embedded integrated digital noise reduction technology, the core of which is "noise reduction without distortion". It can precisely distinguish between noise and the explanation sound, only filtering the noise, while using AI lossless original sound fidelity processing to retain the clarity and layering of the explanation sound.
Q3: What are the differences in noise reduction effects between the R8 and 008A? How should one choose?
A3: The core noise reduction technologies of the two models are the same. The differences mainly lie in the noise reduction enhancement mode and the applicable scenarios: The R8 is more suitable for scenarios such as scenic spots, exhibition halls, and exhibitions, with a noise reduction mode that focuses on filtering high-frequency noises such as crowd noise and wind noise. It is lighter, more hygienic, and suitable for long-term carrying, and can meet the needs of multi-language reception. The 008A is more suitable for scenarios with higher noise intensity such as industrial factories and large outdoor venues. It has an added noise reduction enhancement mode, which can specifically filter low-frequency noises such as mechanical roaring, and has stronger anti-interference ability, making it suitable for complex environments.
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