Fix #765, Profile clarification regarding channels #785
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cconcolato
reviewed
Nov 28, 2023
index.bs
Outdated
| @@ -1830,6 +1830,7 @@ Common restrictions on the [=IA Sequence=] for all profiles specified in this ve | |||
| NOTE: This behavior is to allow future versions of this specification to define new profiles that support a number of audio elements and/or a number of sub-mixes greater than those recommended in this profile, while still permitting streams compliant with these new profiles to be processed by parsers compliant with the profiles defined in this version of the specification. | |||
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| - When [=num_layers=] = 1, [=DemixingParamDefinition()=] for demixing MAY be present in the [=Audio Element OBU=] and IA decoders MAY use [=demixing_info_parameter_data=] or [=default_demixing_info_parameter_data=] for (dynamic) down-mixing. | |||
| - The limit on the number of channels, which a profile SHALL be able to handle, applies to the sum of channels across all [=Audio Element=]s in a [=Mix Presentation=] before mixing. | |||
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Use of "SHALL" for a profile is strange to me. I would simply say "which profiles MAY define"
sunghee-hwang
commented
Nov 28, 2023
cconcolato
approved these changes
Nov 28, 2023
felicialim
approved these changes
Nov 29, 2023
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