What Is The Relationship Between 5G And Audio?

- Aug 26, 2019-

"5G is coming, what is your most anticipated application?"

If you take this question to ask most mobile phone users, I believe that the answer will be HD live broadcast, VR, cloud games and so on. Nearly no one will say, "5G is coming, it will make me listen to music more cool."

Indeed, 5G increases bandwidth and reduces latency, basically pointing to the network to support better picture quality, so whether video, games or AR, VR, 5G firmly and visually trapped together.

Then the upgrade of the 5G network really has nothing to do with hearing?

In fact, not necessarily, 5G is closely related to vision, but it can bring a lot of things to the sound. Today we show in a few directions how the 5G's empowerment of audio happens.

High sound quality and low latency: sound under 5G characteristics

The first thing that can bring changes to the sound is the basic characteristics of 5G: large bandwidth and low latency.

Along these two tracks, we will find that there is still a lot of room for optimization of existing sound transmission. In the 4G network environment, we are accustomed to listening to music, audio programs, and even live broadcasts online at any time, but it is basically based on the relatively large compression of sound quality. When the network transmission rate reaches about 10 Gbps, the high-definition sound quality can also be quickly transmitted through the network to ensure real-time sharing. On the other hand, the low latency characteristics of 5G networks also bring new possibilities to sound. For example, multi-source synchronization problems can be better solved.

Putting these 5G features into the application scenario, we can see relatively simply that the three aspects of 5G sound capabilities will be turned on. It is followed by some new gameplay that may be tapped.


First, the onlineization of high-definition, high-quality music.

We know that some high-quality music is difficult to reproduce in the mobile phone segment. On the one hand, due to the limited sound environment, and on the other hand, due to the limitation of the network environment, it is difficult to transmit high quality audio files. The direct change brought by 5G is the higher realization of high quality music and audio programs. This feature may open the app, not just for music. Many audio content that has high requirements for sound quality details, such as ambient sound, hypnotic sound, white noise, etc., can also achieve better output. For example, ASMR, which uses sound to trigger the comfort of the brain, has always emphasized the level of dedicated radio equipment in its circle. The high-level radio also needs the assistance of a large-bandwidth network, in order to finally let the user experience the final effect. The arrival of 5G may be an opportunity in similar fields.


Second, let the sound interact in 5G.

Another feature of 5G is low latency, which means that the sound of different sources can better form a unity. This is applied in online audio, which can well solve the effect of several terminals synchronizing the radio ensemble. Today's live broadcast industry also often engages in some gameplay such as singing and harmony, but the quality is difficult to compare with live music. Especially the instrumental ensemble, almost impossible to achieve good results in the 4G network environment.

The characteristics of the 5G network can make the rehearsal of remote music possible. The most direct impact on the business form is that the 5G network may allow singers from different regions to complete high-quality ensembles, in other words online concerts. In today's live broadcast and audio programs, similar games should have better performance.


Third, better sound and picture synchronization effect.

Audio certainly does not stop at itself, and more often it needs to work with video. The low latency feature of 5G networks is one of the possibilities to upgrade the sound and picture synchronization experience in environments such as VR and games, so that the sound is better matched with the visual. The most direct commercial imagination of this experience is interactive video, more complex and interactive sound effects, and one of the core paths for interactive video experience upgrades.


Sound drift: ubiquitous sound in IoT environments

More often, 5G cannot be seen as a separate technology path, but must be combined with more technological breakthroughs to provide network support. For sound, such "5G" empowerment also exists.

For example, we know that IoT devices in a lot of life scenes tend to cancel buttons and touch screens, but use intelligent voice interaction as the main control entrance.


This also means that a large number of family life and IoT devices in the car scene will carry sound equipment. Then in the 5G environment, these devices will get better connectivity and hardware virtualization capabilities. Sound can also be transmitted between these devices.

The seamless sound experience under the IoT system does not only mean that the user can direct the sound to walk around, but also the ability of the device to recognize, understand and interact with the user's voice. Every device and user has said something, and what has been learned requires systematic sharing and re-learning, all of which need to be built on a powerful network environment. IoT must have more capabilities, and sound is one of them.

Algorithm is sound: AI 5G enabled audio

Perhaps friends who are concerned about the AI field have such a feeling that the AI voice ability in the news is becoming more and more magical, and what sound cloning, emotion recognition, and machine dialogue are very powerful. But when it falls on your mobile phone and speakers, it always feels a bit silly?

There is a core problem here, that is, the computing power and network environment are not up to standard, and the huge deep learning model cannot run on the terminal equipment under the existing conditions. Although similar problems have appeared in the field of machine vision, with the rapid development of the speech model in the past two years, the lack of computing power and network capabilities, the problem that excellent algorithms can not fall to the user terminal has begun to appear in the field of voice.

So 5G gives the audio, another imagination is to combine with AI.


Relative to the need for 5G network blessing speech algorithm applications, including real-time beautification and emotional modification of machine sound, sound cloning, multimodal semantic understanding and so on. On the other hand, under the 5G network, AI will also have the conditions to better understand the user's voice and generate more gameplay and commercialization value.

5G is coming, upgrading the network environment and many new network features will bring different upgrade effects to various industries. For content creators, 5G is a new artboard. Whether your creative carrier is sound, video, games, or other forms of imagination, 5G is a new opportunity.


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