It is possible to obtain a preferable performance in a radio communication using time-space coding without complicating a decoding process even when the correlation between channels is high.
There is provided a relay device capable of simultaneously transmitting various additional information such as audio information, character information, and image information while suppressing the communication cost and the line use ratio without increasing the calculation cost in the decoding process.
Timing control is required for the receiver to function properly. For an embedded design, the decoding process has to work on a sample by sample basis.
Also, editorial modifications are done, such as change of provision about circumstantial conditions, deletion of all coefficients for down mix in audio decoding process and modification of reference number, etc.
The present technology relates to a decoding device, a decoding method, a coding device, and a coding method, with which it is possible to reduce processing volume of a coding process or a decoding process.
Thus, it is possible to effectively perform a parallel decoding process of a video stream by using a limited resource and eliminate a processing delay caused by temporary concentration of a processing amount which temporally fluctuates when performing a parallel reproduction process of a plurality of video streams.
The first encoding unit generates first encoded data by performing a first encoding process on an input image, and generates a first decoded image by performing a first decoding process on the first encoded data.
In a corresponding decoding process: the code corresponding to the given time section is input; modes of decoding the code corresponding to the pitch period, which are included in the code, are switched according to whether or not the index or indexes representing the degree of the periodicity and/or the degree of the stationarity, which are included in or acquired from the code, satisfy a condition or conditions representing a high periodicity and/or a high stationarity; and the code corresponding to the pitch period is then decoded to acquire the pitch period corresponding to the given time section.
It is possible to provide a decoding device capable of improving a cache hit rate in a decoding process of image data which has been compressed/encoded.
In this way, even if the number of the reception antennas is small, the affection of multi-path fading accompanying the delayed incoming waves can be reduced to improve the anti-fading characteristic of the decoding process, thereby always maintaining a stable reception state, while achieving reduction in size and cost of hardware.
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