Encoding apparatus of audio signal, audio disc and disc reproducing apparatus

An audio disc reproducing apparatus for reproducing data recorded in an audio disc, of which a data structure comprises:

• a video title set;
• a first managing area (VMG) including information (VMGI) for managing the video title set;
• an audio title set not including a pack for reproduction control but including audio data;
• and
• a second managing area (AMG) including information (AMGI) for managing the audio title set and managing audio contents of the video title set,
• the audio disc reproducing apparatus comprising:
• reproducing means for reproducing the audio contents of the video title set and the audio data of the audio title set by using the information of the second managing area.

An audio disc reproducing apparatus for reproducing data recorded in an audio disc, of which a data structure comprises:

• a video title set;
• a first managing area (VMG) including information (VMGI) for managing the video title set;
• an audio title set not including a pack for reproduction control but including either first audio data obtained by performing an analog-digital conversion for an analog audio signal at a first sampling frequency or second audio data obtained by performing an analog-digital conversion for an analog audio signal at a second sampling frequency;
• and
• a second managing area (AMG) including information (AMGI) for managing the audio title set and managing audio contents of the video title set,
• the audio disc reproducing apparatus comprising:
• first reproducing means for reproducing a first analog audio signal by performing a digital-analog conversion for the first audio data;
• and
• second reproducing means for reproducing a second analog audio signal by performing a digital-analog conversion for the second audio data.

An audio disc having a data structure comprising:

• an audio title set having audio data and still picture data;
• a video title set;
• a first managing area (VMG) including information for managing the video title set;
• a second managing area (AMG) including information for managing the audio title set and the video title set;
• and
• TOC information.

A disc reproducing apparatus for reproducing data recorded in a disc having a data structure in which a first pack including audio data, a second pack including both text information relating to the audio data of the first pack and display time control data for controlling a display time of the text information and an audio manager information (AMGI) managing area including information for managing the reproduction of the first pack are arranged as an audio dedicated title, comprising:

• reproducing means for reproducing the audio data of the first pack and the text information and the display time control data of the second pack;
• first decoding means for decoding the text information reproduced by the reproducing means;
• second decoding means for decoding the display time control data reproduced by the reproducing means;
• and
• text information displaying means for displaying the text information decoded by the first decoding means according to the display time control data decoded by the second decoding means.

A disc reproducing apparatus for reproducing data recorded in a disc having a data structure, in which a first pack including audio data, a second pack including both text information relating to the audio data of the first pack and display time control data for controlling a display time of the text information and an audio manager information (AMGI) managing area including information for managing the reproduction of the first pack are arranged as an audio dedicated title and in which a first pack including audio data, a third pack including video data, a navigation pack of a prescribed standard including information for controlling the reproduction of the first and third packs and a video manager information (VMGI) managing area including information for managing the reproduction of the first and third packs are arranged as a title having the audio data and the video data, comprising:

• reproducing means for reproducing the audio data of the first pack and the text information and the display time control data of the second pack;
• first decoding means for decoding the text information reproduced by the reproducing means;
• second decoding means for decoding the display time control data reproduced by the reproducing means;
• and
• text information displaying means for displaying the text information decoded by the first decoding means according to the display time control data decoded by the second decoding means.

A disc reproducing apparatus for reproducing data recorded in a disc having a data structure, in which a first pack including audio data, a second pack including video data, a third pack including text information relating to the audio data of the first pack and a navigation pack of a prescribed standard including both information for controlling the reproduction of the first and second packs and display time control data for controlling a display time of the text information arranged in the third pack are arranged, comprising:

• reproducing means for reproducing the audio data of the first pack and the text information of the third pack and the display time control data of the navigation pack;
• first decoding means for decoding the text information reproduced by the reproducing means;
• second decoding means for decoding the display time control data reproduced by the reproducing means;
• and
• text information displaying means for displaying the text information decoded by the first decoding means according to the display time control data decoded by the second decoding means.

A disc reproducing apparatus for reproducing data recorded in a disc having a data structure, in which a first pack including audio data, a second pack including both sound control information relating to the audio data of the first pack and application time control data for controlling an application time of the sound control information and an audio manager information (AMGI) managing area including information for managing the reproduction of the first pack are arranged as an audio dedicated title having the audio data, comprising:

• reproducing means for reproducing the audio data of the first pack and both the sound control information and the application time control data of the second pack;
• first decoding means for decoding the sound control information reproduced by the reproducing means;
• second decoding means for decoding the application time control data reproduced by the reproducing means;
• and
• text information displaying means for displaying the sound control information decoded by the first decoding means according to the application time control data decoded by the second decoding means.

A disc reproducing apparatus for reproducing data recorded in a disc having a data structure, in which a first pack including audio data, a second pack including both sound control information relating to the audio data of the first pack and application time control data for controlling an application time of the sound control information and an audio manager information (AMGI) managing area including information for managing the reproduction of the first pack are arranged as an audio dedicated title having the audio data and in which a first pack including audio data, a third pack including video data, a navigation pack of a prescribed standard including information for controlling the reproduction of the first and third packs and a video manager information (VMGI) managing area including information for managing the reproduction of the first and third packs are arranged as a title having the audio data and the video data, comprising:

• reproducing means for reproducing the audio data of the first pack and both the sound control information and the application time control data of the second pack;
• first decoding means for decoding the sound control information reproduced by the reproducing means;
• second decoding means for decoding the application time control data reproduced by the reproducing means;
• and
• text information displaying means for displaying the sound control information decoded by the first decoding means according to the application time control data decoded by the second decoding means.