最新款的BD机都Build In 支援CINAVIA！！购买时要小心！！

SupermanHIEW

Cinavia技术

Cinavia是一种先进的反盗版技术，这种技术将反盗版信息（即音频水印）嵌入声音文件当中，生成没有听不见的声音信息，即使经过重编码或外录，依然不能消除Cinavia生成的反盗版信息，通过专用的设备依然能识别信息。　　
Cinavia会在影片声音中嵌入信息，如在影院中嵌入特定的仅适用于影院的信息，在蓝光光盘中嵌入仅适用于蓝光光盘的信息，以此防止影院盗录以及蓝光光盘盗版。目前Cinavia已经在新的影片和蓝光播放器中得以广泛应用，越来越多的影片制造商使用这一技术，Cinavia同样适用于DVD，BD等影像制品。　　
Cinavia技术是使用在BD播放器，识别和限制已经没有著作权人许可的情况下播出的电影、电视节目和其他专业制作VID。　　这需要两部分工作：一个专有的隐藏的音频水印和一块硬件，它能够检测水印。当嵌入水印的媒体的音轨播放在Cinavia检测系统时，其固件将检测到的水印和检查正在播放的设备水印授权。如果设备没有被授权，则显示一条消息指出，媒体是不在授权的设备上进行播放，更多信息用户访问Cinaviaweb页。根据设备和固件，一旦信息触发，音频静音，或播放或可能会完全停止。

使用Cinavia技术的设备

* Sony Playstation 3 (PS3) firmware 3.10 or higher　　
* Pioneer BDP-V6000　　
* Marantz UD5005　　
* LG BDP550 (fw: 8.31.283.C)　　
* Denon DBP-1611UD
* Samsung BD 5700

包含Cinavia水印的发行版蓝光
* The Losers (Warner Brothers， Jul 20， 2010) (EnGLish track only)　　
* The Karate Kid (Sony， Oct 5， 2010) (most of the tracks)　　
* The Other Guys (Sony， Dec 14， 2010) (English track only)　　
* Resident Evil: Afterlife 2D (Sony， Dec 28， 2010) (English track only)　　
* Resident Evil: Afterlife 3D (Sony， Dec 28， 2010) (English track only)　　
* Salt (Sony， Dec 21， 2010) (English track only)　　
* The Social Network (Sony， Jan 11， 2011) (English track only)　　
* Takers (Sony， Jan 18， 2011) (English track only)


---------------------------------------------------------------------------------------------------------------

Cinavia is an analog watermarking and steganography system under development byVerance since 1999, and released in 2010. In conjunction with the existing Advanced Access Content System (AACS) digital rights management (DRM) inclusion of Cinavia watermarking detection support became mandatory for all consumer Blu-ray players from 2012.

The watermarking and steganography facility provided by Cinavia is designed to stay within the audio signal and to survive all common forms of audio transfer, including lossy data compression using discrete cosine transform, MP3, DTS, or Ogg Vorbis. It is designed to survive digital and analogue sound recording and reproduction via microphones, direct audio connections and broadcasting, and does so by using audio frequencies within the hearing range. It is monaural and not a multichannel codec.

Cinavia's in-band signaling introduces intentional spread spectrum phase distortion in the frequency domain of each individual audio channel separately, giving a per-channel digital signal that can yield up to 20 kilobits per second—depending on the quantization level available, and the desired trade-off between the required robustness and acceptable levels of psychoacoustic visibility. It is intended to survive analogue distortions such as the wow and flutter and amplitude modulation from magnetic tape sound recording. On playback no additional audio filters are used to cover up the distortions and discontinuities introduced.

The signal survives temporal masking and sub-band coding by operating on the fundamental frequency and its subharmonic overtones, and by dealigning the phase relationship between the strongest signal and its subharmonics. Each phase discontinuity introduced by the encoder will result in a corresponding pulse of wideband white noise, so a further range of additional distortions are introduced as anoise mitigation strategy to compensate. The desired hidden digital data signal is combined in the distortion step using a pre-determined pseudorandom binary sequence for audio frame synchronization and large amounts of forward error correction for the hidden data to be embedded. The watermark is only embedded when certain signal-to-noise ratio thresholds are met and is not available as acontinuous signal—the signal must be monitored for a period of time before the embedded data can be detected and recovered. Extraction of the hidden signal is not exact but is based on recovering the convolutional codes through statistical cross-correlation.

The Blu-ray implementation of Cinavia is designed to cover two use-cases: the first is the provision of a Cinavia watermark on all movie theater soundtracks released via film distribution networks; the second use-case is for the provision of a Cinavia watermark on all Blu-ray releases that points to the presence of an accompanying AACS key. If a "theatrical release" watermark is detected in a consumer Blu-ray audio track, the accompanying video is deemed to have been sourced from a "cam" recording. If the "AACS watermark" is present in the audio tracks, but no accompanying and matching AACS key is found on the disc, then it is deemed to have been a "rip" made by copying to a second blank Blu-ray disc.

As of March 2012 known hardware players which can detect Cinavia watermarks include the PlayStation 3 (began with v3.10 System Software), as well as newer Blu-ray players.

-------------------------------------------------------------------------------------------------------

目前PS3如果play翻版的Sony Columbia电影时，当播放了20-30分钟后，电影会进入无声状态！！
据我所知，Philip BD-3300开始使用！！

SupermanHIEW

听说其他的电影公司在不久的将来也会使用此技术！！所以为了大众福利着想，请各位把你们所知的牌子型号等资料上载进来此帖以作警示！！谢谢！！

alesi616

妈的， 我 survey bluray feature 这么久， 就要入手 bdp3300, 就被这臭 cinavia 打烂了!

alesi616

听说其他的电影公司在不久的将来也会使用此技术！！所以为了大众福利着想，请各位把你们所知的牌子型号等资 ...
SupermanHIEW 发表于 23-6-2012 08:55 PM

    你肯定 bdp3300 有这个 cinavia?

kenlabs

Cinavia is an analog  and  system under development by since 1999, and released in 2010. In conjunct ...
SupermanHIEW 发表于 23-6-2012 05:20 PM

从外表怎样看一部BD机有没有cinavia？
买回家播片后才发觉到就太迟了！


*帮你在一楼加料！

SupermanHIEW

回复 5# kenlabs


   谢谢你！！
我最近买了些戏如：Ghost Rider 2,The Vow,结果都中招了！！

SupermanHIEW

回复 5# kenlabs

“从外表怎样看一部BD机有没有cinavia？ ”  答：制造商应该不会注明，我想如果要知道的话，就唯有带一部Sony的老翻去那里现场试吧！！还是那位有更好的高见？？

shkoh

我的三送BD-E5900也是有Cinavia。。。。。。

kenlabs

我最近买了些戏如：Ghost Rider 2,The Vow,结果都中招了！！
SupermanHIEW 发表于 24-6-2012 06:04 AM

你是说老翻？
不看老翻不就没问题了吧？

SupermanHIEW

回复 9# kenlabs


   是的！！

shkoh

根据cinavia官方网站的说明，它只是让你看得不舒服，不是完全禁绝你播放。它的官网提供了如下临时解决办法：

暂停视频，等待 30 秒以便消除音频静音，然后跳过使用专业制作材料的部分，继续播放视频的其余部分，或
暂停视频，等待 30 秒以便消除音频静音，然后播放另一张光盘上的视频，至少 10 分钟后，再继续重放原视频。

Upgraded

如果这个 Cinavia 是 software 的话，很多没有的 player 当 update firmware 的时候也是会中的。。。 除非这 Cinavia 是 hardware 来的。。。。

yaiyai-4461

根据cinavia官方网站的说明，它只是让你看得不舒服，不是完全禁绝你播放。它的官网提供了如下临时解决办法： ...
shkoh 发表于 24-6-2012 06:25 PM

    如果是这样的话，不看了。

alesi616

如果这个 Cinavia 是 software 的话，很多没有的 player 当 update firmware 的时候也是会中的。。。 除非这 ...
Upgraded 发表于 24-6-2012 09:28 PM

   为什么一定要 upgrade firmware/software 呢?

Upgraded

为什么一定要 upgrade firmware/software 呢?
alesi616 发表于 25-6-2012 01:39 PM

最近的科技发展到每几个月就有新 Format 或者其他的 apps support...

所以现在的产品多数有 LAN support ~ 以前不能 support 的 format ~ 如果产家有改进的 firmware 的话，update 了就可以 support。

当然我们也可以选择要不要 updates...

hulkster

下载吧！机的钱也不给它赚

water2j

請問 philips BDP3300/98  確定有這個嗎?  剛還想去匯款購買的,後來才看到這裡的消息,有點擔心的了

leoaw

我要用ps3来看blu-ray的戏，没办法播，是不是因为我的有updates的关系？

SupermanHIEW

回复 18# leoaw

应该跟update没什么关系，可能那片碟录制的format not supported!!

SupermanHIEW

或者说是compress的format not supported!!