Service information code. A code broadcast by a channel that uniquely identifies that channel. SI codes are used by the BARB meter to monitor the channel being viewed on the digital satellite platform.

Individuals aged 16 or over are classified as Adults within the BARB service.

Television platform using analogue signal wavelengths. The UK ceased broadcasting analogue TV on 24th October 2012.

BARB divides the UK into ITV reception areas and BBC editorial regions. Audiences are currently reported for 13 ITV areas and 14 BBC regions (see also Macro Region).

An audience category is a classification of the viewing audience into a specific group. The following audiences are sometimes referred to as main categories – Homes, Individuals, Adults, Men, Women, Children and Housewives. Sub-categories are more detailed breakdowns of the main categories – by age groups, social grades etc.

The audience profile shows how a main audience category is divided into its subcategories (such as age, social grade or sex) in percentage terms. For example, if a programme achieves an Adult AB profile of 10%, this means that 10% of adult viewers were AB, while the other 90% were C1, C2 or DE Adults. An audience profile can be compared with the eq [..]

See share.

A commercial break audience is defined as the duration weighted average of all the commercial spot audiences in the break.

The commercial spot audience is defined as the audience for the minute in which the commercial starts.

A programme audience is the average of all the minute audiences covered by the programme transmission, excluding any commercial breaks and promotions.