Digital audio channels with multilingual indication
First Claim
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1. A method for recording a digital audio signal made up of a plurality of audio channels on a recording medium, comprising the steps of:
- receiving said digital audio signal;
generating audio auxiliary data for said digital audio signal, said audio auxiliary data including a multilingual indication indicating whether said digital audio signal includes information in more than one language and whether said digital audio signal is a stereo signal or a monaural signal;
formatting said digital audio signal into first pack data and said audio auxiliary data into second pack data; and
recording said first pack data and said second pack data on said recording medium.
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Abstract
During recording, a multilingual indication is generated when at least two of the audio channels of a digital audio signal are associated with a common program, and the multilingual indication is combined with the digital audio signal. During reproduction, a display is activated when a multilingual indication indicates that at least two of the audio channels included in a digital audio signal are associated with a common program.
68 Citations
22 Claims
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1. A method for recording a digital audio signal made up of a plurality of audio channels on a recording medium, comprising the steps of:
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receiving said digital audio signal;
generating audio auxiliary data for said digital audio signal, said audio auxiliary data including a multilingual indication indicating whether said digital audio signal includes information in more than one language and whether said digital audio signal is a stereo signal or a monaural signal;
formatting said digital audio signal into first pack data and said audio auxiliary data into second pack data; and
recording said first pack data and said second pack data on said recording medium. - View Dependent Claims (2, 3, 4, 5, 6)
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7. Apparatus for recording a digital audio signal made up of a plurality of audio channels on a recording medium, comprising:
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means for receiving said digital audio signal;
means for generating audio auxiliary data for said digital audio signal, said audio auxiliary data including a multilingual indication indicating whether said digital audio signal includes information in more than one language and whether said digital audio signal is a stereo signal or a monaural signal;
means for formatting said digital audio signal into first pack data and said audio auxiliary data into second pack data; and
means for recording said first pack data and said second pack data on said recording medium. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for reproducing from a recording medium a digital audio signal made up of a plurality of audio channels, comprising the steps of:
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reproducing from said recording medium second pack data having a multilingual indicator;
reading said multilingual indicator in said second pack data to determine if said digital audio signal includes information in more than one language and if said digital audio signal is a stereo signal or a monaural signal;
selecting first pack data associated with one of (i) a main audio channel when it is determined that said digital audio signal on a user selected audio channel does not include information in more than one language and (ii) said user selected channel when said digital audio signal does include information in more than one language; and
deformatting said first pack data to generate an output digital audio signal. - View Dependent Claims (14, 15, 16, 17)
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18. Apparatus for reproducing from a recording medium a digital audio signal made up of a plurality of audio channels, comprising:
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means for reproducing from said recording medium second pack data having a multilingual indicator;
means for reading said multilingual indicator in said second pack data to determine if said digital audio signal includes information in more than one language and if said digital audio signal is a stereo signal or a monaural signal;
means for selecting first pack data associated with one of (i) a main audio channel when it is determined that said digital audio signal on a user selected audio channel does not include information in more than one language and (ii) said user selected channel when said digital audio signal does include information in more than one language; and
means for deformatting said first pack data to generate an output digital audio signal. - View Dependent Claims (19, 20, 21, 22)
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Specification