JP2014022946A5

JP2014022946A5 -

Info

Publication number: JP2014022946A5
Application number: JP2012159817A
Authority: JP
Filing date: 2012-07-18
Publication date: 2014-11-20
Anticipated expiration: 2032-07-18

Description

実施形態によれば、電子機器は、接続確立手段、メディアドライブ、再生手段、符号化手段、多重化手段および転送手段を具備する。接続確立手段は、コンテンツ受信装置との間で、無線通信の接続確立と所定の暗号化規格に準拠した認証とを実行する。メディアドライブは、映像と音声とを含むコンテンツを記憶する記憶メディアから前記コンテンツを読み出す。再生手段は、前記メディアドライブにより読み出されたコンテンツを再生する。符号化手段は、前記再生手段により生成された映像信号と音声信号とを符号化する。多重化手段は、符号化された映像信号と、前記所定の暗号化規格に準拠した暗号化方式での暗号化は行われていない符号化された音声信号と、前記映像信号に前記所定の暗号化規格に準拠した暗号化方式が適用されているか否かを示すために定義された所定の情報とを含む多重化データを生成する。転送手段は、前記多重化手段により生成された多重化データを伝送路に送出する。接続確立手段は、前記多重化データを受信する受信手段と前記多重化データが前記所定の情報を含むならば前記音声信号をコピー不可として扱う制御手段とを備える前記コンテンツ受信装置との間で、前記接続確立および前記認証を完了させる。転送手段は、前記接続確立および前記認証が完了した後に前記多重化データを転送する。 According to the embodiment, the electronic device includes a connection establishment unit, a media drive, a reproduction unit, an encoding unit, a multiplexing unit, and a transfer unit. The connection establishing means executes wireless communication connection establishment and authentication complying with a predetermined encryption standard with the content receiving device. The media drive reads the content from a storage medium that stores content including video and audio. The reproduction means reproduces the content read by the media drive. The encoding means encodes the video signal and the audio signal generated by the reproducing means. Multiplexing means includes a video signal marks Goka, the audio signal in which the encryption of a predetermined encryption method compliant with the encryption standard encoded not been performed, said predetermined on the video signal Multiplexed data including predetermined information defined to indicate whether or not an encryption method compliant with the encryption standard is applied is generated . The transfer means sends the multiplexed data generated by the multiplexing means to the transmission line. A connection establishing means between the content receiving apparatus comprising: a receiving means for receiving the multiplexed data; and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. The connection establishment and the authentication are completed. The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.

Claims

A connection establishment means for performing wireless communication connection establishment and authentication conforming to a predetermined encryption standard with the content receiving device;
A media drive for reading the content from a storage medium that stores content including video and audio;
Playback means for playing back the content read by the media drive;
Encoding means for encoding the video signal and the audio signal generated by the reproducing means;
And it marks Goka video signals, and audio signals the encryption of a predetermined encryption method compliant with the encryption standard encoded not performed, conforming to the predetermined encryption standard to the video signal Multiplexing means for generating multiplexed data including predetermined information defined to indicate whether or not the encryption method is applied ;
Transfer means for sending multiplexed data generated by the multiplexing means to a transmission line;
Comprising
The connection establishment means includes a receiving means for receiving the multiplexed data, and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. Complete the connection establishment and the authentication,
The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.
Electronics.

A connection establishment means for performing wireless communication connection establishment and authentication conforming to a predetermined encryption standard with the content receiving device;
A media drive for reading the content from a storage medium that stores content including video and audio;
Playback means for playing back the content read by the media drive;
Encoding means for encoding the video signal and the audio signal generated by the reproducing means;
An encoded video signal, an encoded audio signal that has not been encrypted by an encryption method compliant with the predetermined encryption standard, and predetermined information defined by the predetermined encryption standard Multiplexing means for generating multiplexed data including:
Transfer means for sending the multiplexed data to a transmission line;
Comprising
The connection establishment means includes a receiving means for receiving the multiplexed data, and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. Complete the connection establishment and the authentication,
The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.
Electronics.

A connection establishment means for performing wireless communication connection establishment and authentication conforming to a predetermined encryption standard with the content receiving device;
Receiving means for receiving television broadcast program data including video and audio;
Reproducing means for reproducing the television broadcast program data received by the receiving means;
Encoding means for encoding the video signal and the audio signal generated by the reproducing means;
And marks Goka video signals, and audio signals encrypted encoded not performed in the encryption scheme that conforms to the predetermined encryption standard, predetermined defined by the predetermined encryption standard Multiplexing means for generating multiplexed data including information ;
Transfer means for delivering front Kio duplicated data to the transmission line,
Comprising
The connection establishment means includes a receiving means for receiving the multiplexed data, and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. Complete the connection establishment and the authentication,
The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.
Electronics.

A connection establishment means for performing wireless communication connection establishment and authentication conforming to a predetermined encryption standard with the content receiving device;
A communication device for acquiring content including video and audio from a server connected via a network;
Playback means for playing back the content acquired by the communication device;
Encoding means for encoding the video signal and the audio signal generated by the reproducing means;
And marks Goka video signals, and audio signals encrypted encoded not performed in the encryption scheme that conforms to the predetermined encryption standard, predetermined defined by the predetermined encryption standard Multiplexing means for generating multiplexed data including information ;
Transfer means for delivering front Kio duplicated data to the transmission line,
Comprising
The connection establishment means includes a receiving means for receiving the multiplexed data, and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. Complete the connection establishment and the authentication,
The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.
Electronics.

A connection establishment means for performing wireless communication connection establishment and authentication conforming to a predetermined encryption standard with the content receiving device;
A processor for executing a game program;
Encoding means for encoding a video signal and an audio signal generated by the processor executing the program;
And marks Goka video signals, and audio signals encrypted encoded not performed in the encryption scheme that conforms to the predetermined encryption standard, predetermined defined by the predetermined encryption standard Multiplexing means for generating multiplexed data including information ;
Transfer means for delivering front Kio duplicated data to the transmission line,
Comprising
The connection establishment means includes a receiving means for receiving the multiplexed data, and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. Complete the connection establishment and the authentication,
The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.
Electronics.

A connection establishment means for performing wireless communication connection establishment and authentication conforming to a predetermined encryption standard with the content receiving device;
An input terminal for inputting a video signal and an audio signal;
Encoding means for encoding a video signal and an audio signal input from the input terminal;
An encoded video signal, an encoded audio signal that has not been encrypted by an encryption method compliant with the predetermined encryption standard, and predetermined information defined by the predetermined encryption standard Multiplexing means for generating multiplexed data including :
Transfer means for delivering front Kio duplicated data to the transmission line,
Comprising
The connection establishment means includes a receiving means for receiving the multiplexed data, and a control means for handling the audio signal as non-copyable if the multiplexed data includes the predetermined information. Complete the connection establishment and the authentication,
The transfer means transfers the multiplexed data after the connection establishment and the authentication are completed.
Electronics.

The electronic device according to claim 6 , wherein the input terminal is a terminal for connecting a high-definition multimedia interface (HDMI) cable.

The predetermined encryption standard is HDCP 2.0 or its successor standard,
The predetermined information is a registration descriptor defined in HDCP 2.0 or its successor standard.
The electronic device according to claim 1.

Multiplexing in which a video signal encrypted by an encryption method compliant with a predetermined encryption standard and an unencrypted audio signal are multiplexed via a first interface compliant with the first interface standard Receiving means for receiving the digitized data;
When the multiplexed data includes predetermined information defined by the predetermined encryption standard, control means for handling the unencrypted audio signal included in the multiplexed data as being uncopyable,
Output means for outputting audio data based on the audio signal to an external device via a second interface compliant with a second interface standard different from the first interface standard;
An electronic device comprising:

Further comprising audio decoding means for decoding the audio signal received by the receiving means to generate audio data;
The output means outputs the generated audio data to an external device via the second interface;
The electronic device according to claim 9.

11. The output means outputs the audio signal to an external device via the second interface together with copy control information indicating that copyright protection is applied to the audio signal. The electronic device as described in.

The receiving means receives multiplexed data including an unencrypted video signal and an unencrypted audio signal;
The control means is a case where the reception means receives multiplexed data including an unencrypted video signal and an unencrypted audio signal, and the predetermined information is not included in the multiplexed data. In this case, the audio signal is treated as having no restriction that copying is not possible.
The electronic device according to claim 9.

The first interface is a wireless LAN;
The predetermined encryption standard is HDCP 2.0 or its successor standard,
The predetermined information is a registration descriptor defined in HDCP 2.0.
The electronic device according to claim 9.

The electronic device according to claim 9, wherein the second interface conforms to SPDIF.

The electronic device according to claim 13, wherein the receiving unit receives the multiplexed data via the wireless LAN in which a transmission path is encrypted.

Encryption / decryption means for encrypting / decrypting the encrypted video signal;
Video decoding means for decoding the encrypted video signal;
Audio decoding means for decoding the received audio signal;
A display that displays and outputs using the decoded video signal;
A speaker that outputs audio using the decoded audio signal;
The electronic device according to claim 9, further comprising:

The video signal encrypted by the encryption method compliant with a predetermined encryption standard and the encryption by the encryption method are performed from the transmission device via the first interface compliant with the first interface standard. Receiving means for receiving multiplexed data obtained by multiplexing unvoiced audio signals;
If the multiplexed data includes predetermined information defined to indicate that the video signal is applied with an encryption scheme compliant with the predetermined encryption standard, it is included in the multiplexed data Control means for handling the audio signal as being uncopiable;
Output means for outputting audio based on the audio signal to an external device via a second interface compliant with a second interface standard different from the first interface standard;
An electronic device comprising:

The electronic device according to claim 17, wherein the predetermined information indicates that an encryption method compliant with the predetermined encryption standard is applied only to the video signal.

Further comprising audio decoding means for decoding the audio signal received by the receiving means to generate audio data;
The output means outputs the generated audio data to an external device via the second interface;
The electronic device according to claim 17 or 18.

The output means outputs the audio signal to an external device via the second interface together with copy control information indicating that copyright protection is applied to the audio signal. The electronic device in any one of.

The receiving means receives multiplexed data including an unencrypted video signal and an unencrypted audio signal;
The control means is a case where the reception means receives multiplexed data including an unencrypted video signal and an unencrypted audio signal, and the predetermined information is not included in the multiplexed data. In this case, the audio signal is treated as having no restriction that copying is not possible.
The electronic device according to claim 17.

The first interface is a wireless LAN;
The predetermined encryption standard is HDCP 2.0 or its successor standard.
The electronic device according to any one of claims 17 to 21.

The electronic device according to claim 22, wherein the predetermined information is a registration descriptor defined in HDCP 2.0.

The electronic device according to claim 17, wherein the second interface is based on SPDIF.

23. The electronic apparatus according to claim 22, wherein the receiving unit receives the multiplexed data via the wireless LAN having a transmission path encrypted.

Encryption / decryption means for encrypting / decrypting the encrypted video signal;
Video decoding means for decoding the encrypted video signal;
Audio decoding means for decoding the received audio signal;
A display that displays and outputs using the decoded video signal;
A speaker that outputs audio using the decoded audio signal;
The electronic apparatus according to claim 17, further comprising: