System and method for objectively measuring user experience of touch screen based devices

A video camera for measuring latency of display response of a touch screen on a touch screen based device, comprising:

• a recorder configured to record one or more interactions, an interaction comprising:
• at least a first contact between a member and the touch screen;
• and
• a response of the touch screen to the first contact, the response including at least a first change of a frame of a display of the touch screen;
• a processor configured to:
• correlate data retrieved from the recording to the interaction;
• and
• determine a latency of the response of the touch screen to the first contact.

A system for measuring latency of display response of a touch screen on a touch screen based device, comprising:

• a housing;
• a holder coupled to the housing, the holder configured to hold the touch screen based device in a fixed position;
• a robotic member coupled to the housing, the robotic member configured to effect one or more interactions with the touch screen based device;
• and
• a video camera coupled to the housing, the video camera comprising:
• a lens, the lens being positioned such that it views the holder for the touch screen based device;
• a recorder configured to:
• record an interaction with the touch screen, the interaction comprising:
• at least a first contact between the robotic member and the touch screen;
• and
• a response of the touch screen to the first contact including at least a first change of a frame of a display of the touch screen;
• and
• a processor in operative communication with the video camera, the processor configured to:
• correlate data retrieved from the recording to the interaction;
• and
• determine a latency of the response of the touch screen to the first contact.

A method of measuring a response rate of a touch screen on a touch screen based device, comprising:

• recording, by a video camera, an interaction with the touch screen, the interaction comprising:
• at least a first contact between a member and the touch screen;
• and
• a response of the touch screen to the first contact including at least a first change of a frame of a display of the touch screen;
• correlating, by a processor in operative communication with the video camera, data retrieved from the recording to the interaction;
• determining, by the processor, a frames-per-second rate of the response of the touch screen during a time period of the touch screen response to the first contact.

A video camera for measuring a response rate of a touch screen on a touch screen based device, comprising:

• a recorder configured to record one or more interactions, an interaction comprising:
• at least a first contact between a member and the touch screen;
• and
• a response of the touch screen to the first contact, the response including at least a first change of a frame of a display of the touch screen;
• a processor configured to:
• correlate data retrieved from the recording to the interaction;
• and
• determine a frames-per-second rate of the response of the touch screen during a time period of the touch screen response to the first contact.

A system for measuring a response rate of a touch screen on a touch screen based device, comprising:

• a housing;
• a holder coupled to the housing, the holder configured to hold the touch screen based device in a fixed position;
• a robotic member coupled to the housing, the robotic member configured to effect one or more interactions with the touch screen based device;
• and
• a video camera coupled to the housing, the video camera comprising a lens and a recorder, the lens being positioned such that it views the holder for the touch screen based device, the video camera configured to:
• record an interaction with the touch screen, the interaction comprising:
• at least a first contact between the robotic member and the touch screen;
• and
• a response of the touch screen to the first touch including at least a first change of a frame of a display of the touch screen;
• and
• a processor in operative communication with the video camera, the processor configured to:
• correlate data retrieved from the recording to the interaction;
• and
• determine a frames-per-second rate of the response of the touch screen during a time period of the touch screen response to the first contact.