Resolving media source detection and simulcast monitoring ambiguities with motion sensor data
Example methods disclosed herein to resolve media source detection ambiguities include detecting an ambiguity condition associated with media source detection when monitoring media presented by a media output device in communication with at least two media source devices, and in response to detecting the ambiguity condition, determining a source of the media output from the media output device using motion data reported by accelerometers affixed to remote control devices associated with the at least two media source devices. Example methods disclosed herein to resolve simulcast crediting ambiguities include detecting an ambiguity condition associated with simulcast broadcasting when monitoring media presented by a media output device, and in response to detecting the ambiguity condition, adjusting a time associated with a channel change using motion data reported by an accelerometer affixed to a remote control device associated with the media output device.
1. An apparatus to perform media source detection, the apparatus comprising:
memory including computer readable instructions; and
a processor to execute the instructions to at least:
determine that an output media signal from a monitored media device corresponds to (i) a first media signal from a first source device in communication with the monitored media device, and (ii) a second media signal from a second source device in communication with the monitored media device;
access motion data reported by one or more of a plurality of accelerometers including a first accelerometer associated with a first remote control device and a second accelerometer associated with a second remote control device, the first remote control device associated with the first source device, the second remote control device associated with the second source device; and
identify, based on the motion data, one of the first source device or the second source device to be a source of the output media signal from the monitored media device.
2. The apparatus of claim 1 , wherein the processor is to:
correlate the output media signal with the first media signal to determine a correlation result; and
determine the output media signal corresponds to the first media signal when the correlation result satisfies a threshold.
3. The apparatus of claim 1 , wherein the first source device is in communication with a first media input of the monitored media device, the second source device is in communication with a second media input of the monitored media device, the motion data includes first motion data reported by the first remote control device and second motion data reported by the second remote control device, and the processor is to compare the first motion data and the second motion data to determine whether the first source device or the second source device is the source of the output media signal.
4. The apparatus of claim 3 , wherein the processor is to:
identify the first source device to be the source of the output media signal when the first motion data is more recent than the second motion data; and
identify the second source device to be the source of the output media signal when the second motion data is more recent than the first motion data.
5. The apparatus of claim 3 , wherein to compare the first motion data with the second motion data, the processor is to:
determine whether the first motion data satisfies a threshold; and
determine whether the second motion data satisfies the threshold.
6. The apparatus of claim 1 , further including a wireless receiver to receive the motion data reported by the one or more of the first accelerometer and the second accelerometer.
7. The apparatus of claim 1 , further including:
a microphone to sense the output media signal from the monitored media device;
a first tap to access the first media signal from the first source device; and
a second tap to access the second media signal from the second source device.
8. A non-transitory computer readable medium comprising computer readable instructions that, when executed, cause a processor to at least:
determine that an output media signal from a monitored media device corresponds to (i) a first media signal from a first source device in communication with the monitored media device, and (ii) a second media signal from a second source device in communication with the monitored media device;
access motion data reported by one or more of a plurality of accelerometers including a first accelerometer associated with a first remote control device and a second accelerometer associated with a second remote control device, the first remote control device associated with the first source device, the second remote control device associated with the second source device; and
identify, based on the motion data, one of the first source device or the second source device to be a source of the output media signal from the monitored media device.
9. The non-transitory computer readable medium of claim 8 , wherein the instructions, when executed, cause the processor to:
correlate the output media signal with the first media signal to determine a correlation result; and
determine the output media signal corresponds to the first media signal when the correlation result satisfies a threshold.
10. The non-transitory computer readable medium of claim 8 , wherein the first source device is in communication with a first media input of the monitored media device, the second source device is in communication with a second media input of the monitored media device, the motion data includes first motion data reported by the first remote control device and second motion data reported by the second remote control device, and the instructions, when executed, cause the processor to compare the first motion data and the second motion data to determine whether the first source device or the second source device is the source of the output media signal.
11. The non-transitory computer readable medium of claim 10 , wherein the instructions, when executed, cause the processor to:
identify the first source device to be the source of the output media signal when the first motion data is more recent than the second motion data; and
identify the second source device to be the source of the output media signal when the second motion data is more recent than the first motion data.
12. The non-transitory computer readable medium of claim 10 , wherein to compare the first motion data with the second motion data, the instructions, when executed, cause the processor to:
determine whether the first motion data satisfies a threshold; and
determine whether the second motion data satisfies the threshold.
13. The non-transitory computer readable medium of claim 8 , wherein the instruction, when executed, cause the processor to:
access the motion data from a wireless receiver;
access the output media signal from a microphone;
access the first media signal from a first tap; and
access the second media signal from a second tap.
14. A method to perform media source detection, the method comprising:
determining that an output media signal from a monitored media device corresponds to (i) a first media signal from a first source device in communication with the monitored media device, and (ii) a second media signal from a second source device in communication with the monitored media device;
accessing motion data reported by one or more of a plurality of accelerometers including a first accelerometer associated with a first remote control device and a second accelerometer associated with a second remote control device, the first remote control device associated with the first source device, the second remote control device associated with the second source device; and
identifying, based on the motion data and by executing an instruction with a processor, one of the first source device or the second source device to be a source of the output media signal from the monitored media device.
15. The method of claim 14 , wherein the determining that the output media signal corresponds to the first media signal includes:
correlating the output media signal with the first media signal to determine a correlation result; and
determining the output media signal corresponds to the first media signal when the correlation result satisfies a threshold.
16. The method of claim 14 , wherein the first source device is in communication with a first media input of the monitored media device, the second source device is in communication with a second media input of the monitored media device, the motion data includes first motion data reported by the first remote control device and second motion data reported by the second remote control device, and the identifying includes comparing the first motion data and the second motion data to determine whether the first source device or the second source device is the source of the output media signal.
17. The method of claim 16 , wherein the comparing includes:
identifying the first source device to be the source of the output media signal when the first motion data is more recent than the second motion data; and
identifying the second source device to be the source of the output media signal when the second motion data is more recent than the first motion data.
18. The method of claim 16 , wherein the comparing includes:
determining whether the first motion data satisfies a threshold; and
determining whether the second motion data satisfies the threshold.
19. The method of claim 14 , wherein the first accelerometer is a first wireless accelerometer tag affixed to the first remote control device, the second accelerometer is a second wireless accelerometer tag affixed to the second remote control device, and further including receiving the motion data wirelessly from the first wireless accelerometer tag and the second wireless accelerometer tag.
20. The method of claim 14 , further including:
sensing the output media signal with a microphone;
accessing the first media signal with a first tap; and
accessing the second media signal with a second tap.