, also known as BBM
, is an audience measurement
organization for Canadian
television and radio broadcasting.
BBM was established on May 11, 1944 as a division of the Canadian Association of Broadcasters
. The organization was originally known as the "Bureau of Broadcast Measurement" In 1964, it became the first ratings service in the world to introduce computerized sample selection
In 2008 and 2009, BBM Canada was named one of Greater Toronto's Top Employers
by Mediacorp Canada Inc., which was announced by the Toronto Star
In radio, BBM is the main provider of ratings services. The company has traditionally used a diary
-based system for tracking radio audience habits and this system is still used in most markets. In Montreal
, ratings are now measured using the Portable People Meter
(PPM) technology; this technology will also be used in Toronto
starting in fall 2009.
In television, BBM is partnered with the American
in a joint venture called BBM Electronic Inc.
, which measures the Toronto, Vancouver and Calgary markets, the Ontario region and national ratings figures via Portable People Meters. BBM Canada is the senior partner in the joint venture, and also continues to independently monitor some markets — primarily the francophone
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