Control method, transmission device, and reception device

1. A control method for a transmission device and a reception device externally connected to the transmission device, the control method comprising:

accepting, by the transmission device, a user operation relative to the transmission device such that the transmission device executes a function corresponding to the user operation relative to the transmission device;

generating, by the transmission device, text data that includes a character string of a name of the user operation relative to the transmission device;

transmitting, by the transmission device, the text data that includes the character string of the name of the user operation relative to the transmission device from the transmission device to the reception device;

receiving, by the reception device, the text data that includes the character string of the name of the user operation relative to the transmission device from the transmission device;

generating, by a text-to-speech engine of the reception device, audio data indicating the name of the user operation relative to the transmission device based on the text data that includes the character string of the name of the user operation relative to the transmission device and having been transmitted and received from the transmission device; and

outputting, by the reception device, the name of the user operation relative to the transmission device as an audio based on the audio data.

2. The control method according to claim 1 , wherein

the transmission device and the reception device are connected via a digital cable for transmitting and receiving digital signals.

3. The control method according to claim 1 , wherein

the transmitting of the text data includes dividing the text data into a plurality of sets of divided text data while a size of the text data exceeds a threshold value, and transmitting the sets of divided text data from the transmission device to the reception device, and

the generating of the audio data includes generating the text data by combining the sets of divided text data, and generating the audio data based on the text data that has been generated.

4. A control method for a transmission device and a reception device connected to the transmission device, the control method comprising:

accepting, by the transmission device, a user operation relative to the transmission device to operate the transmission device according to the user operation;

generating, by the transmission device, operation data indicating a name of the user operation relative to the transmission device;

transmitting the operation data from the transmission device to the reception device;

generating, by the reception device, audio data indicating the name of the user operation based on the operation data transmitted from the transmission device;

outputting, by the reception device, the name of the user operation as an audio based on the audio data; and

storing in a memory a table in which text data indicating the name of the user operation is associated with ID data for identifying the text data,

the operation data including the ID data, and

the generating of the audio data including reading from the table the text data corresponding to the ID data that has been received, and generating the audio data based on the text data that has been read.

5. The control method according to claim 1 , wherein

the transmission device is a playback device that plays video content,

the reception device is a display device that displays the video content played by the playback device, and

the playback device and the display device are connected via an analog cable for transmitting and receiving analog signals.

6. The control method according to claim 5 , wherein

the transmitting of the text data includes outputting a video signal of the video content over which the text data has been superposed from the playback device to the display device.

7. A transmission device connectable to an external device, the transmission device comprising:

an accepting component that accepts a user operation relative to the transmission device such that the transmission device executes a function corresponding to the user operation relative to the transmission device;

a text data generator that generates text data that includes a character string of a name of the user operation relative to the transmission device; and

a transmitter that transmits the text data that includes the character string of the name of the user operation relative to the transmission device from the transmission device to the external device.

8. The transmission device according to claim 7 , wherein

the transmission device is connectable to the external device via a digital cable for transmitting and receiving digital signals.

9. The transmission device according to claim 7 , wherein

the text data generator divides the text data into a plurality of sets of divided text data while a size of the text data exceeds a threshold value, and

the transmitter transmits the sets of divided text data to the external device.

10. The transmission device according to claim 7 , further comprising

a memory that stores a table in which the text data is associated with ID data for identifying the text data,

the transmitter transmitting the text data by transmitting the ID data based on the table.

11. The transmission device according to claim 7 , wherein

the transmission device is a playback device that plays video content,

the external device is a display device that displays the video content played by the playback device, and

the playback device and the display device are connected via an analog cable for transmitting and receiving analog signals.

12. The transmission device according to claim 11 , wherein

the transmitter outputs to the display device a video signal of the video content over which the text data has been superposed.

13. A reception device connectable to an external device, the reception device comprising:

a receiver that receives from the external device text data that includes a character string of a name of a user operation relative to the external device, the user operation being accepted by the external device such that the external device executes a function corresponding to the user operation relative to the external device;

an audio data generator that includes a text-to-speech engine that generates audio data indicating the name of the user operation relative to the external device based on the text data that includes the character string of the name of the user operation relative to the external device and having been received from the external device; and

an output component that outputs the name of the user operation relative to the external device as an audio based on the audio data.

14. The reception device according to claim 13 , wherein

the reception device is connectable to the external device via a digital cable for transmitting and receiving digital signals.

15. The reception device according to claim 13 , wherein

while the receiver receives from the external device a plurality of sets of divided text data that have been obtained by dividing the text data, the audio data generator generates the text data by combining the sets of divided text data, and generates the audio data based on the text data that has been generated.

16. The reception device according to claim 13 , further comprising

a memory that stores a table in which the text data is associated with ID data for identifying the text data,

the receiver receiving the text data by receiving the ID data, and

the audio data generator generating the audio data based on the text data corresponding to the ID data that has been received.

17. The reception device according to claim 13 , wherein

the external device is a playback device that plays video content,

the reception device is a display device that displays the video content played by the playback device, and

the playback device and the display device are connected via an analog cable for transmitting and receiving analog signals.

18. The reception device according to claim 17 , wherein

the receiver receives from the playback device a video signal of the video content over which the text data has been superposed.

19. The reception device according to claim 13 , wherein

the output component includes a speaker that outputs the name of the user operation as the audio in response to the user operation relative to the external device.