Reproducing apparatus
AssigneePanasonic Corporation
InventorTetsuya ITANI
Life of this patent
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Abstract
According to the present invention, the sound quality of an apparatus having HDMI outputs exclusive for both of an audio signal and a video signal can be further improved. According to the present invention, even when the calculated value of CTS obtained using a first video clock signal Vc1 generated by a decoder 204 is other than an integer, a value of a second video clock signal Vc2 and an N value are set such that the calculated value of CTS obtained using the second video clock signal Vc2 is an integer. By using the value of second video clock signal Vc2 and the N value set in this manner, an audio reproducing apparatus 103 can generate an audio clock signal Ac having reduced jitter.
Claims9
A reproducing apparatus, comprising:
- a decoder for decoding contents to output a first video signal, a first video clock signal, an audio signal and an audio clock signal;
- a generation section for generating a second video signal and a second video clock signal based on the audio clock signal;
- and
- an output section for outputting the audio signal, the second video signal and the second video clock signal but not for outputting the audio clock signal;
- wherein:
- when the audio signal is output to an audio reproducing apparatus via the output section,
- a vertical frequency of the first video signal and a vertical frequency of the second video signal are different from each other;
- and
- where a frequency of the second video clock signal is Vcf2 and a frequency of the audio clock signal is Acf, CTS2 and N2, which are parameters representing the frequency ratio of the second video clock signal and the audio clock signal, are represented by:
- CTS2=Vcf2/Acf×N2;
- and
- values of Vcf2 and N2 are set such that a calculated value of CTS2 is an integer.
A reproducing apparatus, comprising:
- a decoder for decoding contents to output a first video signal, a first video clock signal, an audio signal and an audio clock signal;
- a generation section for generating a second video signal and a second video clock signal based on the audio clock signal;
- and
- an output section for outputting the audio signal, the second video signal and the second video clock signal but not for outputting the audio clock signal;
- wherein:
- when the audio signal is output to an audio reproducing apparatus via the output section,
- the vertical frequency of the first video signal is 59.94 Hz, and
- the vertical frequency of the second video signal is 50 Hz.
Dependencies are inferred from the claim text.