发明名称 |
APPARATUS AND METHOD FOR MEASURING TUNING OF A DIGITAL BROADCAST RECEIVER. |
摘要 |
<p>An apparatus identifies a program selected for reception on a monitored receiver. The monitored receiver has a receiver output, and the selected program is one of a plurality of receivable programs. The apparatus includes a tuner and demodulator arranged to receive a predetermine done of the programs. A first feature extractor extracts a first set of characteristic features from the receiver output. A second feature extractor extract a second set of characteristic features from the predetermined program. A comparator compares the first and the second sets of characteristic featurs. A code extractor extracts a program identifying code from the predetermined program if the first and the second sets of characteristic features match.</p> |
申请公布号 |
MXPA03004846(A) |
申请公布日期 |
2005.02.14 |
申请号 |
MX2003PA04846 |
申请日期 |
2001.07.10 |
申请人 |
NIELSEN MEDIA RESEARCH, INC. |
发明人 |
DENG, KEQIANG |
分类号 |
H04N17/00;H04H60/37;H04H60/56;(IPC1-7):H04H9/00 |
主分类号 |
H04N17/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|