Technological Innovation

What is EN ISO 11172-4:2021? .


The EN ISO 11172-4:2021 is a technical standard that specifies the data format and coding of audiovisual information for digital storage media at up to about 1.5 Mbit/s. It is part of the MPEG-1 standard, which was developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) to provide a standardized way to compress and store audio and video data.

Key Features and Benefits

EN ISO 11172-4:2021 provides several key features and benefits that make it a popular choice for audio and video compression. One of the main features is its ability to reduce the size of audio and video files without significant loss of quality. This allows for more efficient storage and transmission of multimedia content, making it ideal for applications such as streaming services, video conferencing, and multimedia messaging.

Another important feature of EN ISO 11172-4:2021 is its compatibility with a wide range of devices and platforms. The standard has been widely adopted by manufacturers and software developers, ensuring that encoded content can be easily played back on different devices, including computers, smartphones, tablets, and smart TVs.

EN ISO 11172-4:2021 also supports various audio and video codecs, providing flexibility in choosing the most appropriate coding scheme for specific applications. This allows developers to balance factors such as file size, bandwidth requirements, and playback quality based on their unique needs.


The applications of EN ISO 11172-4:2021 are diverse and far-reaching. One of its primary applications is in the field of digital media distribution. The standard has revolutionized the way audio and video content is delivered to consumers, enabling the rise of streaming platforms that offer on-demand access to a vast library of movies, TV shows, and music.

In addition, EN ISO 11172-4:2021 plays a crucial role in the development of multimedia communication technologies. Video conferencing solutions rely on the standard's efficient compression algorithms to transmit high-quality audio and video streams over the internet, facilitating remote collaboration and virtual meetings.

Furthermore, the standard finds applications in the gaming industry, where it enables the delivery of immersive audiovisual experiences in interactive games. Mobile applications, social media platforms, and online learning platforms also utilize EN ISO 11172-4:2021 to ensure optimal playback performance and user experience.


EN ISO 11172-4:2021 is an essential technical standard that has revolutionized the world of digital media by enabling efficient audio and video compression. Its widespread adoption and compatibility with various devices and platforms have made it a ubiquitous format for multimedia content distribution. From streaming services to video conferences and gaming, the standard continues to drive innovation and enhance user experiences across a wide range of applications.



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