Abstract: In one aspect, a method includes determining a content-transmission delay between a content-distribution system and a content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes transmitting to the content-presentation device, the selected reference fingerprint data set that corresponds with the determined content-transmission delay to facilitate the content-presentation device detecting a match between query fingerprint data representing content received by the content-presentation device and at least a portion of reference fingerprint data in the transmitted reference fingerprint data set.

Abstract: In one aspect, a method includes receiving query fingerprint data representing content received by a content-presentation device. The method also includes determining a content-transmission delay between a content-distribution system and the content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes detecting a match between the query fingerprint data and at least a portion of reference fingerprint data in the selected reference fingerprint data set. The method also includes responsive to detecting the match, performing an action.

Abstract: In one aspect, a method includes (i) accessing, by a computing system, broadcast-schedule data associated with a channel; (ii) using, by the computing system, the accessed broadcast-schedule data to identify an upcoming content-modification opportunity on the channel; (iii) determining, by the computing system, that a content-presentation device is receiving content on the channel; (iv) determining, by the computing system, a content-transmission delay associated with the content-presentation device and the channel; and (v) causing, by the computing system, the content-presentation device to perform an action to facilitate the content-presentation device performing, during a time-period that accounts for the determined content-transmission delay, a content-modification operation related to the identified upcoming content-modification opportunity on the channel.

Abstract: In one aspect, a method includes determining a content-transmission delay between a content-distribution system and a content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes transmitting to the content-presentation device, the selected reference fingerprint data set that corresponds with the determined content-transmission delay to facilitate the content-presentation device detecting a match between query fingerprint data representing content received by the content-presentation device and at least a portion of reference fingerprint data in the transmitted reference fingerprint data set.

Abstract: In one aspect, a method includes determining a content-transmission delay between a content-distribution system and a content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes transmitting to the content-presentation device, the selected reference fingerprint data set that corresponds with the determined content-transmission delay to facilitate the content-presentation device detecting a match between query fingerprint data representing content received by the content-presentation device and at least a portion of reference fingerprint data in the transmitted reference fingerprint data set.

Abstract: In one aspect, a method includes (i) accessing, by a computing system, broadcast-schedule data associated with a channel; (ii) using, by the computing system, the accessed broadcast-schedule data to identify an upcoming content-modification opportunity on the channel; (iii) determining, by the computing system, that a content-presentation device is receiving content on the channel; (iv) determining, by the computing system, a content-transmission delay associated with the content-presentation device and the channel; and (v) causing, by the computing system, the content-presentation device to perform an action to facilitate the content-presentation device performing, during a time-period that accounts for the determined content-transmission delay, a content-modification operation related to the identified upcoming content-modification opportunity on the channel.

Abstract: In one aspect, a method includes receiving query fingerprint data representing content received by a content-presentation device. The method also includes identifying a geographic area of the content-presentation device. The method also includes using at least the identified geographic area as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the identified geographic area. The method also includes detecting a match between the query fingerprint data and at least a portion of reference fingerprint data in the selected reference fingerprint data set. The method also includes responsive to detecting the match, performing an action.

Abstract: In one aspect, a method includes receiving first query fingerprint data representing first content channeled through a portion of a content-distribution system. The method also includes detecting a first match between the received first query fingerprint data and first reference fingerprint data representing a modifiable content-segment. The method also includes responsive to detecting the first match, performing a first action. The method also includes receiving second query fingerprint data representing content received by a content-presentation device. The method also includes detecting a second match between the received second query fingerprint data and second reference fingerprint data representing second content transmitted by the content-distribution system, where the second content is a modified version of the first content. The method also includes responsive to detecting the second match, performing a second action that is different from the first action.

Abstract: In one aspect, a method includes receiving query fingerprint data representing content received by a content-presentation device. The method also includes identifying a geographic area of the content-presentation device. The method also includes using at least the identified geographic area as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the identified geographic area. The method also includes detecting a match between the query fingerprint data and at least a portion of reference fingerprint data in the selected reference fingerprint data set. The method also includes responsive to detecting the match, performing an action.

Abstract: In one aspect, a method includes receiving query fingerprint data representing content received by a content-presentation device. The method also includes identifying a geographic area of the content-presentation device. The method also includes using at least the identified geographic area as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the identified geographic area. The method also includes detecting a match between the query fingerprint data and at least a portion of reference fingerprint data in the selected reference fingerprint data set. The method also includes responsive to detecting the match, performing an action.

Abstract: In one aspect, a method includes receiving a first portion of query fingerprint data representing content transmitted by a content-distribution system. The method also includes detecting a match between the first portion of the query fingerprint data and a first portion of reference fingerprint data representing a modifiable content-segment. The method also includes after detecting the match: (i) receiving a second portion of the query fingerprint data, wherein the second portion of the query fingerprint data is different from the first portion of the query fingerprint data; and (ii) detecting a mismatch between the second portion of the query fingerprint data and a second portion of the reference fingerprint data representing the modifiable content-segment, wherein the second portion of the reference fingerprint data is different from the first portion of the reference fingerprint data. The method also includes responsive to detecting the mismatch, performing an action.

Abstract: In one aspect, a method includes: (i) determining a baseline input-to-output delay, which represents a time period between when content is input into a first input buffer and output by an output buffer; (ii) establishing a synchronous lock between (a) first fingerprint data representing content in the first input buffer and (b) second fingerprint data representing content in the output buffer; (iii) determining an instruction time-point at which a content-presentation device is instructed to switch from using content in the first input buffer to populate the output buffer, to using content in the second input buffer to populate the output buffer; (iv) determining a loss of synchronous lock time-point; (v) using the determined baseline input-to-output delay, the determined instruction time-point, and the determined loss of synchronous lock time-point to determine an input-buffer switching delay; and (vi) using the determined input-buffer switching delay to facilitate performing a content-modification operation

Abstract: In one aspect, a method is for use in connection with a content-modification system that includes a content-distribution system and a content-presentation device.

Abstract: In one aspect, a method includes receiving query fingerprint data representing content received by a content-presentation device, identifying a geographic area of the content-presentation device, using at least the identified geographic area as a basis to select, from among a plurality of reference fingerprint data sets, a first reference fingerprint data set that corresponds with the identified geographic area, detecting that the query fingerprint data does not match any reference fingerprint data in the selected first reference fingerprint data set, responsive to the detecting, selecting, from among the plurality of reference fingerprint data sets, a second reference fingerprint data set that does not correspond with the identified geographic area, detecting a match between the query fingerprint data and at least a portion of reference fingerprint data in the selected second reference fingerprint data set, and responsive to detecting the match, performing an action.

Abstract: In one aspect, a method includes receiving query fingerprint data representing content received by a content-presentation device. The method also includes determining a content-transmission delay between a content-distribution system and the content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes detecting a match between the query fingerprint data and at least a portion of reference fingerprint data in the selected reference fingerprint data set. The method also includes responsive to detecting the match, performing an action.

Abstract: In one aspect, a method is for use in connection with a content-modification system that includes a content-distribution system and a content-presentation device.

Abstract: In one aspect, a method includes identifying a geographic area of a content-presentation device. The method also includes using at least the identified geographic area as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the identified geographic area. The method also includes transmitting to the content-presentation device, the selected reference fingerprint data set that corresponds with the identified geographic area to facilitate the content-presentation device detecting a match between query fingerprint data representing content received by the content-presentation device and at least a portion of reference fingerprint data in the transmitted reference fingerprint data set.

Abstract: In one aspect, a method is for use in connection with a content-modification system that includes a content-distribution system and a content-presentation device.

Abstract: In one aspect, a method includes determining a content-transmission delay between a content-distribution system and a content-presentation device. The method also includes using at least the determined content-transmission delay as a basis to select, from among a plurality of reference fingerprint data sets, a reference fingerprint data set that corresponds with the determined content-transmission delay. The method also includes transmitting to the content-presentation device, the selected reference fingerprint data set that corresponds with the determined content-transmission delay to facilitate the content-presentation device detecting a match between query fingerprint data representing content received by the content-presentation device and at least a portion of reference fingerprint data in the transmitted reference fingerprint data set.

Abstract: In one aspect, a method includes receiving first query fingerprint data representing first content channeled through a portion of a content-distribution system. The method also includes detecting a first match between the received first query fingerprint data and first reference fingerprint data representing a modifiable content-segment. The method also includes responsive to detecting the first match, performing a first action. The method also includes receiving second query fingerprint data representing content received by a content-presentation device. The method also includes detecting a second match between the received second query fingerprint data and second reference fingerprint data representing second content transmitted by the content-distribution system, where the second content is a modified version of the first content. The method also includes responsive to detecting the second match, performing a second action that is different from the first action.