[ProAudio] DVD Dubbing Problem

[Bob Katz]

Oops, I was confusing “minidisc” (which was a lossy coded medium) with mini dv! 

Still I recommend you use a bit meter to look at the spdif stream out of the player into your capture daw. 

And yes, 1648 linear pcm is a very decent medium. What’s his name, an engineer who runs a small record company, made numerous 2-Mike 1648 recordings on a highly modified DAT recorder, which sound lovely, warm, and deep. 


Bob


My iPhone made me write this. Quotes only below this line. Nothing more to see here. 
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> On May 22, 2025, at 3:46 PM, Jim Brown via ProAudio <proaudio at bach.pgm.com> wrote:
> 
> On 5/22/2025 11:05 AM, Bob Katz via ProAudio wrote:
>> f I recall, mini-dv was a medium dedicated to Sony's lossy coded format. If I'm right then the so-called "16 bit 48 kHz" files are lossy encoded. The lossy encoded wordlength in the file is apparently 16 bit but when decoded it will expand to 18 bits in linear pcm format (formerly lossy coded) or more.
>> And if I'm right then David Josephson's point about finding the original player makes sense and you have to play it from the original software. I suggest having a bit-scope on the digital output to sense the output wordlength coming from the decoder. You could do that by playing the dig out (SPDIF) into a good DAW and run a plugin called "bitter" on the bitstream.
> 
> Thanks Bob. The dubs I've made to DVD were Firewire from a semi-pro player (not Sony) to a standalone DVD recorder that claims to enhance toe video. For all of that material I simultaneously recorded the same mix to 2-track DAT.
> 
> Jim Brown
> 
> 
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