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In Reply to: Sony says SACD will be part of Blu-Ray video format posted by Ole Lund Christensen on February 27, 2005 at 06:58:03:
Already a provision on professional recording equipment and it moves the out-of-band HF noise far enough away from the baseband to give LPCM a real threat. The SACD medium was/is a series of compromises to get multichannel audio onto a disc in a secure format. From the tech papers presented by Philips engineers on SACD we know that it was argued that the SACD system is the most efficient carrier for multichannel lossless data for the 20-20K bandwidth within the DVD standard. The increased capacity of blue-ray allows for the use of 5.6Mhz DSD without concern for capacity limitations, and AFAIK a 2X bandwidth DSD signal is backward compatible with existing hardware as you just need to clock the data and LPF. That combined with encrypted HD video is about the best that we can expect from a multinational holder of significant copyright in film and music. This aint about open source folks.
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Follow Ups
- 5.6Mhz DSD - PaulN 13:28:03 02/27/05 (19)
- "The SACD medium was/is a series of compromises to get multichannel audio onto a disc in a secure format." - Christine Tham 13:56:53 02/27/05 (18)
- "5 bits at 128fs" - High-end Dreamer 09:39:08 02/28/05 (1)
- Re: "5 bits at 128fs" - Christine Tham 11:47:34 02/28/05 (0)
- Re: "The SACD medium was/is a series of compromises to get multichannel audio onto a disc in a secure format." - PaulN 16:29:32 02/27/05 (15)
- You know, that's the exact same thing mentioned by an engineer involved in the initial stages of DSD development - jeromelang 17:14:20 02/28/05 (14)
- Hang on, not all "digital" amps sound bad, as a matter of fact - head_unit 23:00:33 03/04/05 (0)
- expert opinions mean nothing if they are anonymous - tunenut 08:41:03 03/01/05 (6)
- Agreed. If you want to quote - attribute (nt) - Metralla 19:21:18 03/01/05 (5)
- You're right, none of the statements can be believed if the source is anonymous - jeromelang 23:05:42 03/01/05 (4)
- there are 2 sides to this question - tunenut 09:04:43 03/02/05 (3)
- Thank you for your measured response - jeromelang 18:45:00 03/02/05 (2)
- right - tunenut 20:51:30 03/02/05 (1)
- If you try out it with EP, she'll either answer yes or no - jeromelang 21:30:50 03/02/05 (0)
- This is not our good friend Bruno, is it? - Christine Tham 18:47:29 02/28/05 (5)
- No, not Bruno - jeromelang 20:30:42 02/28/05 (4)
- Obviously AD = Andrew Demery. [nt] - Charles Hansen 14:31:59 03/01/05 (3)
- No, but they are good friends who happen to share the same initials - jeromelang 17:10:25 03/01/05 (2)
- Wull, yahbut... - Charles Hansen 22:29:38 03/02/05 (0)
- Re: No, but they are good friends who happen to share the same initials - prad 17:42:03 03/01/05 (0)
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