ISO/IEC 14496-17:2016, also known as "MPEG-4 Part 17," is an international standard that specifies the coding of audio objects for low bit rate applications. It was developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). This technical article aims to provide a comprehensive understanding of ISO/IEC 14496-17:2016 and its significance in the world of audio coding.
The Benefits of ISO/IEC 14496-17:2016
One of the key benefits of ISO/IEC 14496-17:2016 is its ability to achieve high-quality audio compression for applications with limited bandwidth or storage capacity requirements. It uses advanced techniques to efficiently represent audio content while maintaining perceptual quality. This makes it ideal for various low bit rate applications, such as streaming services, video conferencing, and mobile communication.
Another advantage of ISO/IEC 14496-17:2016 is its interoperability. The standard ensures that audio objects encoded using this specification can be decoded by any compliant decoder, regardless of the manufacturer or platform. This level of compatibility simplifies the implementation of audio coding systems and promotes seamless integration across different devices.
The Technical Details
ISO/IEC 14496-17:2016 defines specific coding tools and algorithms for efficient audio object coding. It introduces concepts like spectral band replication (SBR), parametric stereo (PS), and unified speech and audio coding (USAC).
SBR allows for the encoding of high-frequency components with reduced data, improving overall audio quality. PS enables the representation of stereo signals with fewer bits by exploiting the similarities between left and right audio channels. USAC combines speech and audio coding, providing a unified solution for handling both speech and music content.
The Future of Audio Coding
ISO/IEC 14496-17:2016 represents a significant milestone in audio coding technology, but development in this field is far from over. Researchers and engineers continue to work on advancements to further enhance audio compression efficiency and quality.
As new applications emerge and the demand for low bit rate audio coding increases, the importance of standards like ISO/IEC 14496-17:2016 will continue to grow. By providing efficient coding techniques and ensuring interoperability, this standard paves the way for diverse multimedia applications and seamless audio experiences across a wide range of devices and platforms.
In conclusion, ISO/IEC 14496-17:2016 plays a crucial role in the world of audio coding, enabling high-quality audio compression for low bit rate applications. Its benefits include efficient representation of audio content, interoperability, and support for various coding techniques. As technology advances, standards like ISO/IEC 14496-17:2016 will remain essential in shaping the future of audio coding.
Nina She