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Vader wrote:
 Until the bass management bug in the 1st gen Toshiba players is fixed, I am going back to bitstream via optical, and letting my AVR do the BM. |
Wow, I own a first generation player, and I am not aware of any bass managment bug. I know the second generation XA-2 has one, but mine doesn't have it.
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As I was watching Batman Begins this way, I was playing around with the sound formats, and noting the differences between each. My understanding is that Dolby Digital Plus downmixes to full bitrate (1.5mps) DTS, which is then decoded by my AVR, right?
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I believe the correct word as opposed to downmixing is transcode, or re-encodes. Yes you are right.
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Well, my AVR says that the incoming signal is 48Kbps, so what am I missing?
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I think it says 48khz, not 48kbps. One is a sample rate, the other the data rate. 48kbps would sound absolutely horrible. However DVD's, HD DVD, and Blu-ray disc(with a few exceptions) are all sampled at 48khz sample rate.
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Also, when I switched to TrueHD to see what the downmix was, the AVR still said I was getting no more than 48Kbps. Before FW2.0, the Tosh would only send 2.0 PCM out of SPDIF for TrueHD (48, 96 or 192 Kbps). Now that we have TrueHD 5.1, does it send 5.1 PCM over SPDIF? The AVR still interpreted the downmixed TrueHD as DTS, even though it was PCM. Is this normal? Should I be downmixing a lossless track in the first place?
<Jack Tripper voice> I'm so confused... <end Tripper vioce>
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There is no way to send 5.1 PCM out over SPDIF input. The digital inputs bandwidth is not large enough to support anything more than 2.0 PCM. The only way to get 5.1 PCM is through HDMI and analog 5.1 inputs. It appears you are mixing sampling rates and data rates up. 48,96,192khz are all sample rates. 640kbps, 1.5mbps are bit rates.