Policy on Intellectual Property Right (IPR)
Annex 1 – Requirements for contribution and distribution
1 Service requirements
1.1 Channel configurations
1.1.1 Channel configurations as per Recommendation ITU-R
BS.775
1.1.2 Channel configurations of channel-based advanced
sound systems as per Recommendation ITU-R BS.2051
1.2 Flexible allocation of channels
1.3 Ancillary data
2 Performance requirements
2.1 Audio quality
2.1.1 Basic audio quality
2.1.2 Quantization resolution
2.1.3 Sampling frequency
2.1.4 Bandwidth
2.1.5 Emphasis
2.1.6 Tandem capability
2.1.7 Post-processing capability
2.2 Coding delay
2.3 Error resilience
2.4 Recovery time
3 Functional and operational requirements
3.1 Bit rate and coding scheme
3.2 Composite coding
Attachment 1 to Annex 1 (informative) – Information about coding systems that
have been demonstrated to meet quality, and other, user requirements for
contribution and distribution
Annex 2 – Requirements for emission
1 Service requirements
1.1 Channel configurations
1.1.1 Channel configurations as per Recommendation ITU-R
BS.775
1.1.2 Channel configurations of channel-based advanced sound
sysems as per Recommendation ITU-R BS.2051
1.2 Audio services
1.3 Flexible allocation of channels
1.4 Ancillary data
2 Performance requirements
2.1 Audio quality
2.1.1 Basic audio quality
2.1.2 Spatial audio quality
2.1.3 Quantization resolution
2.1.4 Sampling frequency
2.1.5 Bandwidth
2.1.6 Emphasis
2.1.7 Post-processing capability
2.2 Coding delay
2.3 Error resilience
2.4 Recovery time
3 Functional and operational requirements for multichannel systems
3.1 Compatibility with mono/stereo systems (Recommendation ITU‑R BS.775)
3.1.1 Downward compatibility
3.1.2 Backward compatibility
3.1.3 Forward compatibility
3.2 Bit rate
3.3 Decoder complexity
Attachment 1 to Annex 2 (informative) – Information about coding systems that
have been demonstrated to meet quality, and other, user requirements for
emission
Annex 3 – Categories of audio quality for broadcasting applications