This immersive sound processor is mainly used for immersive fixed installations such as immersive performances, gyms, studios, multi-functional halls, theme parks, museums, large staircase classrooms, outdoor immersive sound concerts, medium and large conference rooms, and other application scenarios.
It adopts advanced HOA immersive sound algorithm and world-leading implementation solution, a mature and efficient transmission compression codec based on the IETF (lnternet Engineering Task Force) RFC6716 standard.And it adopts a global leading calibration algorithm for acoustic space, which has been market tested and patented based on multi-source spatial measurement and calibration technology.
In response to the audio quality loss caused by compression coding, an innovative method is adopted to perform model reverse learning on the HF harmonics and MF/LF sampling values lost by the algorithm. We utilize the reverse convolution of NPU to achieve precise playback of the original sound and support multi-channel surround sound and immersive sound coding. The implementation technology of multi-channel surround sound is based on VBAP (Vector Based Amplitude Panning) and VBAP3D, and we added HOA (High-Order Algorithm) to support 7th order 64 channels high-precision sound field reconstruction.
CP66
The CP66 immersive sound processor is based on the HOA immersive technology core and conform to the ITU(International Telecommunication Union) immersive audio-visual international standard technology system.
- ■ Sound field reconstruction algorithm :HOA
- ■ Sound field restoration accuracy: supports 7-order 64 channels
- ■ Total system delay :<0.3ms
The CP66 immersive sound processor is based on the HOA immersive technology core and conforms to the ITU(International Telecommunication Union) immersive audio-visual international standard technology system. The processor is mainly used for the new construction, reconstruction or expansion of theaters, and a dual backup system design is specifically designed to meet the strict stability requirements of real-time performance in theaters.
Based on the principle of HOA sound field reconstruction, different numbers of speakers can be used for sound field playback according to the sound field reconstruction orders, which has high flexibility and scalability. Its sound field restoration accuracy currently supports 7th order 64 channels, which can demonstrate sufficiently delicate sound field transition performance.
| Sound field reconstruction algorithm :HOA |
| Sound field restoration accuracy: supports 7th order 64 channels |
| Total system delay :<0.3ms |
| Supported multi channel digital transmission protocol: C-LINKIAES67MILAN (future), supporting digital dual-backup |
| Support mainstream audio workstations for plug-in type crafting :PT, Nuendo,Pyramix |
| Conform to the lTU/SMPTEIMMERSIVE AUDI0 international standards st2098-1-2018 st2098-2019 5t2098-5-2018 5t2109-2019 |
| Conform to the ITU BS.2127 3Daudio, ATSC (International Television Commission) A/342, AC4 international standards, and compatible with Dolby and MPEG-H formats. |
| Upward and downward compatibility for multiple formats such as stereo, 5.1, 7.1, 5.1.2, 5.1.4, 7.1.2, 7.1.4, etc |
| Software, hardware, and chip codecs based on 32-bit single precision floating-point operations |
| Optimized for most domestic applications |
| Provides efficient conversion tools for old contents |
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