hi
this is my bird
let me to introduce you this juvellery
In the case of Japanese terrestrial digital broadcasting, BS digital broadcasting, and CS digital broadcasting, ISDB is used as the broadcasting standard [11] , and it is possible to multiplex up to 8 audios per broadcasting channel according to the standard [11] . There is also a limit on the total number of bands per broadcast channel, so 8 multiplexing is not always possible). By using this, it is possible to realize stereo broadcasting with multiple sounds and 5.1ch broadcasting.
Quote:
but in digital broadcasting each language is made stereo 2 ch, respectively Also, simultaneous broadcasting of 5.1ch surround, and even broadcasting in more than three languages became technically possible.
https://translate.google.co.jp/translate?hl=bg&tab=iT&sl=ja&tl=en&u=https%3A%2F%2Fja.wikipedia.org%2Fwiki%2F%25E9%259F%25B3%25E5%25A3%25B0%25E5%25A4%259A%25E9%2587%258D%25E6%2594%25BE%25E9%2580%2581MUSE
Lights when a Victor (JVC)
HV-MC1000 is connected and a signal broadcast is received.
Audio compression [17]
1350 bits per frame 1 ms
Audio compression method: Semi-instantaneous compression DPCM
mode
A mode: 32kHz 15-8bit (8 range) x 4ch (3-1 stereo)
B mode: 48kHz 16-11bit (6 range) x 2ch
Voice error control: (82,74) Shortened BCH 16-bit interleave
Multiplexing method: Trivalent baseband multiplexing at 12.15 Mbaud during vertical blanking interval
Audio is compressed by the DANCE ( DPCM Audio Near-instantaneous Compressing and Expanding ) method developed for MUSE . Unlike standard broadcasting, the sampling frequency is 32kHz 15 bits in A mode with a maximum of 4 channels that supports the 3-1 stereo system, and 48kHz 16 bits in B mode with a maximum of 2 channels with high sound quality. It is DPCM-compressed , and the difference signal is quasi-instantaneously compressed (digit-reduced) in a 1 ms section to compress it into 8 ranges and 8 bits in A mode and 6 ranges and 11 bits in B mode. In the DPCM compression performed here, incomplete integration using the leak value is performed to reduce noise and DC error at the time of transmission error, and a local decoder is provided to prevent the compression error from accumulating. This compressed digital audio is protected by (82,74) shortened BCH, then 16-bit interleaved, converted from 2 values of 0 and 1 to 12.15 Mbaud of 3 values of 0/1/2, and the time axis is changed to MUSE. Store in the vertical blanking interval where the image does not appear on the screen. The value at the time of ternation is different between AM and FM transmission paths, and in the case of LD , the area for data broadcasting is cut off and stronger error correction is added [5] [18] . As for data broadcasting, the diagonally arranged 288-byte packet method is adopted as in standard television broadcasting, and 18 frames make up one super frame.
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