Recommendation ITU-R BS.1548-8
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
1.4 Audio-related metadata for advanced sound
systems
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
systems as per Recommendation ITU-R BS.2051
1.2 Audio services
1.3 Flexible allocation of channels
1.4 Ancillary data
1.5 Audio-related metadata for advanced sound
systems
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
Annex 4 (informative) Summary
of changes compared to Recommendation ITU-R BS.1548-7