US 7,742,737 B2 · Methods and apparatus for identifying a digital audio signal

Abstract

Method and apparatus for identifying broadcast digital audio signals include structure and/or function whereby the digital audio signal is provided to processing structure which is configured to (i) identify a program-identifying code in the received digital audio signal, (ii) identify a program-identifying code in a decompressed received digital audio signal, (iii) identify a feature signature in the received digital audio signal, and (iv) identify a feature signature in the decompressed received digital audio signal. Preferably, such processing structure is disposed in a dwelling or a monitoring site in an audience measurement system, such as the Nielsen TV ratings system.

Claims32

Dependent claims

Apparatus for identifying a digital audio signal, comprising:

an input which receives the digital audio signal, wherein the digital audio signal contains data from a broadcast or stored digital program signal;
and
structure configured to (i) identify a program-identifying code in a compressed portion of the received digital audio signal, (ii) identify a program-identifying code in a decompressed or uncompressed received digital audio signal, (iii) identify a feature signature in a compressed portion of the received digital audio signal, and (iv) identify a feature signature in the decompressed or uncompressed received digital audio signal.

Dependencies are inferred from the claim text.

Facts

Application

10/492,471Filed 9 Oct 2002

Published

US 2004/0210922 A121 Oct 2004

Granted

22 Jun 2010

Term ends

Not estimatedThe source records don’t support an estimate.

Classification13 codes

H04H 60/59
Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54: of…
H04H 60/37
Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for…:…
H04H 60/58
Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54: of…
H04N 7/17318
Transmission or handling of upstream communications: direct or substantially direct transmission and handling of requests

Methods and apparatus for identifying a digital audio signal

Life of this patent

Methods and apparatus for identifying a digital audio signal

Life of this patent

Abstract

Claims32