CA2628654A1 - Method and system for updating a broadcast segment recognition database - Google Patents
Method and system for updating a broadcast segment recognition database Download PDFInfo
- Publication number
- CA2628654A1 CA2628654A1 CA002628654A CA2628654A CA2628654A1 CA 2628654 A1 CA2628654 A1 CA 2628654A1 CA 002628654 A CA002628654 A CA 002628654A CA 2628654 A CA2628654 A CA 2628654A CA 2628654 A1 CA2628654 A1 CA 2628654A1
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- Prior art keywords
- broadcast
- interest
- selected interval
- signal
- segments
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Broadcast segment recognition systems and methods are provided in which a signature representing a monitored broadcast segment is compared with broadcast segment signatures in a data base representing known broadcast segments to determine whether a match exists. Criteria for determining the validity of such a match are provided. In one aspect, signatures representing audio broadcast signals are formed by comparing temporally displaced portions of respective frequency band values within plural frequency bands of the broadcast audio signal. Systems and methods are provided for producing signatures representing intervals of a video signal which compensate for shifts in an edge of a picture represented by the video signal. In addition, signatures characterizing respective intervals of a broadcast signal exhibiting correlation are produced by generating a difference vector for each respective interval and carrying out vector transformations of the different vectors to reduce such correlation. Moreover, signatures characterizing intervals of a video signal are produced with corresponding mask words representing reliability of values comprising the signature.
Mask words of first and second signatures thus formed representing different portions of the video signal displaced from one another are compared to establish the values of the mask word.
Mask words of first and second signatures thus formed representing different portions of the video signal displaced from one another are compared to establish the values of the mask word.
Claims (4)
1. A method for updating a broadcast segment recognition database storing signatures for use in recognizing broadcast segments of interest, comprising the steps of:
monitoring a broadcast signal to detect predetermined signal events indicating possible broadcast segments of interest corresponding with respective monitored broadcast signal intervals;
determining whether at least two alternative possible broadcast segments of interest are detected for a monitored broadcast signal interval;
assigning priority to one of said at least two alternative possible broadcast segments of interest based upon predetermined criteria; and storing a signature in the database corresponding with the one of said at least two alternative possible broadcast segments of interest assigned priority.
monitoring a broadcast signal to detect predetermined signal events indicating possible broadcast segments of interest corresponding with respective monitored broadcast signal intervals;
determining whether at least two alternative possible broadcast segments of interest are detected for a monitored broadcast signal interval;
assigning priority to one of said at least two alternative possible broadcast segments of interest based upon predetermined criteria; and storing a signature in the database corresponding with the one of said at least two alternative possible broadcast segments of interest assigned priority.
2. A system for updating a broadcast segment recognition database storing signatures for use in recognizing broadcast segments of interest, comprising:
means for monitoring a broadcast signal to detect predetermined signal events indicating possible broadcast segments of interest corresponding with respective monitored broadcast signal intervals;
means for determining whether at least two alternative possible broadcast segments of interest are detected for a monitored broadcast signal interval;
means for assigning priority to one of said at least two alternative possible broadcast segments of interest based upon predetermined criteria; and means for storing a signature in a database corresponding with the one of said at least two alternative possible broadcast segments of interest assigned priority.
means for monitoring a broadcast signal to detect predetermined signal events indicating possible broadcast segments of interest corresponding with respective monitored broadcast signal intervals;
means for determining whether at least two alternative possible broadcast segments of interest are detected for a monitored broadcast signal interval;
means for assigning priority to one of said at least two alternative possible broadcast segments of interest based upon predetermined criteria; and means for storing a signature in a database corresponding with the one of said at least two alternative possible broadcast segments of interest assigned priority.
3. A method for selectively capturing at least one of a broadcast audio signal and a broadcast video signal for use in updating a broadcast segment recognition database storing signatures for use in recognizing broadcast segments of interest, comprising the steps of:
temporarily storing at least one of a broadcast audio signal and a broadcast video signal of a monitored broadcast;
detecting predetermined signal events indicating possible new broadcast segments of interest of the monitored broadcast;
selecting intervals of the monitored broadcast as possible new broadcast segments of interest based upon said predetermined signal events;
assigning a first capture level to a first selected interval based on predetermined characteristics thereof indicating that said first selected interval is likely to be a new segment of interest;
assigning a second capture level to a second selected interval based on predetermined characteristics thereof indicating that the second selected interval is relatively less likely than the first selected interval to be a new segment of interest;
storing a signature corresponding with the first selected interval in the database and capturing at least one of the temporarily stored broadcast audio and video signals corresponding with the first selected interval for transmission to a workstation operator for segment identification;
storing a signature corresponding with the second selected interval in the database; and erasing the temporarily stored one of the broadcast audio and video signals corresponding with the second selected interval.
temporarily storing at least one of a broadcast audio signal and a broadcast video signal of a monitored broadcast;
detecting predetermined signal events indicating possible new broadcast segments of interest of the monitored broadcast;
selecting intervals of the monitored broadcast as possible new broadcast segments of interest based upon said predetermined signal events;
assigning a first capture level to a first selected interval based on predetermined characteristics thereof indicating that said first selected interval is likely to be a new segment of interest;
assigning a second capture level to a second selected interval based on predetermined characteristics thereof indicating that the second selected interval is relatively less likely than the first selected interval to be a new segment of interest;
storing a signature corresponding with the first selected interval in the database and capturing at least one of the temporarily stored broadcast audio and video signals corresponding with the first selected interval for transmission to a workstation operator for segment identification;
storing a signature corresponding with the second selected interval in the database; and erasing the temporarily stored one of the broadcast audio and video signals corresponding with the second selected interval.
4. A system for selectively capturing at least one of a broadcast audio signal and a broadcast video signal for use in updating a broadcast segment recognition database storing signatures for use in recognizing broadcast segments of interest, comprising:
means for temporarily storing at least one of a broadcast audio signal and a broadcast video signal of a monitored broadcast;
means for detecting predetermined signal events indicating possible new broadcast segments of interest of the monitored broadcast;
means for selecting intervals of the monitored broadcast as possible new broadcast segments of interest based upon said predetermined signal events;
means for assigning a first capture level to a first selected interval based on predetermined characteristics thereof indicating that said first selected interval is likely to be a new segment of interest;
means for assigning a second capture level to a second selected interval based on predetermined characteristics thereof indicating that the second selected interval to be a new segment of interest;
means for storing a segment corresponding with the first selected interval in the database and capturing at least one of the temporarily stored broadcast audio and video signals corresponding with the first selected interval for transmission to a workstation operator for segmented identification;
means for storing a signature corresponding with the second selected interval in the database; and means for erasing the temporarily stored one of the broadcast audio and video signals corresponding with the second selected interval.
means for temporarily storing at least one of a broadcast audio signal and a broadcast video signal of a monitored broadcast;
means for detecting predetermined signal events indicating possible new broadcast segments of interest of the monitored broadcast;
means for selecting intervals of the monitored broadcast as possible new broadcast segments of interest based upon said predetermined signal events;
means for assigning a first capture level to a first selected interval based on predetermined characteristics thereof indicating that said first selected interval is likely to be a new segment of interest;
means for assigning a second capture level to a second selected interval based on predetermined characteristics thereof indicating that the second selected interval to be a new segment of interest;
means for storing a segment corresponding with the first selected interval in the database and capturing at least one of the temporarily stored broadcast audio and video signals corresponding with the first selected interval for transmission to a workstation operator for segmented identification;
means for storing a signature corresponding with the second selected interval in the database; and means for erasing the temporarily stored one of the broadcast audio and video signals corresponding with the second selected interval.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/876,578 US5436653A (en) | 1992-04-30 | 1992-04-30 | Method and system for recognition of broadcast segments |
| US876,578 | 1992-04-30 | ||
| CA002504552A CA2504552C (en) | 1992-04-30 | 1993-04-30 | Method and system for recognition of broadcast segments |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002504552A Division CA2504552C (en) | 1992-04-30 | 1993-04-30 | Method and system for recognition of broadcast segments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2628654A1 true CA2628654A1 (en) | 1993-11-11 |
| CA2628654C CA2628654C (en) | 2009-12-01 |
Family
ID=39521315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002628654A Expired - Lifetime CA2628654C (en) | 1992-04-30 | 1993-04-30 | Method and system for updating a broadcast segment recognition database |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2628654C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8060372B2 (en) | 2007-02-20 | 2011-11-15 | The Nielsen Company (Us), Llc | Methods and appratus for characterizing media |
| US9947327B2 (en) | 2008-01-29 | 2018-04-17 | The Nielsen Company (Us), Llc | Methods and apparatus for performing variable block length watermarking of media |
| US10580421B2 (en) | 2007-11-12 | 2020-03-03 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| CN115223578A (en) * | 2022-09-21 | 2022-10-21 | 浙江地芯引力科技有限公司 | Audio signal synchronization method, device, equipment and storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008137385A2 (en) | 2007-05-02 | 2008-11-13 | Nielsen Media Research, Inc. | Methods and apparatus for generating signatures |
| CN102982810B (en) | 2008-03-05 | 2016-01-13 | 尼尔森（美国）有限公司 | Generate the method and apparatus of signature |
-
1993
- 1993-04-30 CA CA002628654A patent/CA2628654C/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8060372B2 (en) | 2007-02-20 | 2011-11-15 | The Nielsen Company (Us), Llc | Methods and appratus for characterizing media |
| US10580421B2 (en) | 2007-11-12 | 2020-03-03 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| US10964333B2 (en) | 2007-11-12 | 2021-03-30 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| US11562752B2 (en) | 2007-11-12 | 2023-01-24 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| US11961527B2 (en) | 2007-11-12 | 2024-04-16 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| US9947327B2 (en) | 2008-01-29 | 2018-04-17 | The Nielsen Company (Us), Llc | Methods and apparatus for performing variable block length watermarking of media |
| US10741190B2 (en) | 2008-01-29 | 2020-08-11 | The Nielsen Company (Us), Llc | Methods and apparatus for performing variable block length watermarking of media |
| CN115223578A (en) * | 2022-09-21 | 2022-10-21 | 浙江地芯引力科技有限公司 | Audio signal synchronization method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2628654C (en) | 2009-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |