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| BT.1845 : Guidelines on metrics to be used when tailoring television programmes to broadcasting applications at various image quality levels, display sizes and aspect ratios | 
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| Recommendation BT.1845 |  
| Approved in 2010-03 |  
| Managed by R07-SG06 |  |  |  
| Main |  
| Number 
 | Title | Status | Questions |  
| BT.1845-1 (03/2010) 
 | Guidelines on metrics to be used when tailoring television programmes to broadcasting applications at various image quality levels, display sizes and aspect ratios | In force (Main) 
 | N/A |  
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| Previous versions |  
| Number 
 | Title | Status | Questions |  
| BT.1845-0 (10/08) 
 | Guidelines on metrics to be used when tailoring television programmes to broadcasting applications at various image quality levels and sizings | Superseded 
 | N/A |  |