Methods and apparatus to collect media identifying data
View Patent ↗Methods and apparatus to collect media identifying data are disclosed. An example system to monitor media includes a printed circuit board defining a sound hole, the sound hole including a cylindrical portion and a chamfered opening, the sound hole having an effective length-to-width ratio of about 1.25; a memory including machine readable instructions; and a processor to execute the instructions to process the audio data collected through the sound hole to obtain media identifying data.
1. A system to monitor media, the system comprising:
a printed circuit board defining a sound hole, the sound hole including a cylindrical portion and a chamfered opening, the chamfered opening including a surface tapered relative to a longitudinal axis of the sound hole, the tapered surface and an end of the cylindrical portion being coupled to define an edge, the sound hole having an effective length-to-width ratio of about 1.25;
a memory including machine readable instructions; and
a processor to execute the instructions to process audio data collected through the sound hole, via a sensor, to obtain media identifying data.
2. The system of claim 1 , wherein the processor is to obtain the media identifying data by processing the audio data to obtain at least one of a code or a signature from the audio data.
3. The system of claim 1 , wherein the processor is to time stamp at least one of the audio data or the media identifying data.
4. The system of claim 1 , wherein the sensor is a microphone mounted adjacent the sound hole, the microphone to collect the audio data through the sound hole.
5. The system of claim 4 , wherein the microphone is acoustically sealed to the printed circuit board.
6. The system of claim 1 , further including a transmitter, the transmitter to export at least one of the audio data or the media identifying data to a remote facility.
7. The system of claim 1 , wherein the tapered surface is positioned at an angle of between about 30-degrees and about 60-degrees relative to the longitudinal axis of the sound hole.
8. The system of claim 1 , wherein the printed circuit board, the memory, and the processor are disposed in a meter, the meter to be provided to a panelist.
9. An apparatus comprising:
a printed circuit board defining a sound hole including a cylindrical portion, the sound hole having an effective length-to-width ratio of about 1.25, the sound hole including a surface tapered relative to a centerline of the sound hole, the tapered surface and an end of the cylindrical portion being coupled to define an edge; and
an audio sensor coupled to the printed circuit board, the audio sensor to obtain audio data through the sound hole.
10. The apparatus of claim 9 , further including a processor to process the audio data collected through the sound hole to obtain media identifying data.
11. The apparatus of claim 10 , wherein the media identifying data includes at least one of a code or a signature obtained from the audio data.
12. The apparatus of claim 10 , wherein the processor is to time stamp at least one of the audio data or the media identifying data.
13. The apparatus of claim 10 , further including a transmitter to export at least one of the audio data or the media identifying data to a remote facility.
14. The apparatus of claim 9 , wherein the sound hole includes a chamfered opening including the tapered surface at an angle of between about 30-degrees and about 60-degrees relative to the centerline of the sound hole.
15. The apparatus of claim 9 , wherein the sound hole includes a chamfered opening positioned at an angle of between about 30-degrees and about 60-degrees relative to the centerline of the sound hole.