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Posted by Gene E. Bloch on 06/02/06 19:02
On 6/02/2006, Rick Merrill posted this:
> Gene E. Bloch wrote:
>
>> On 6/02/2006, raida4life@yahoo.com posted this:
>>
>>> David Matthew Wood wrote:
>>>
>>>>> I recently had some people helping me out with some video recordings.
>>>>> Some tapes I got in 8mm and have always been able to transfer these to
>>>>> VHS or DVD via RCA cables. Similarly I got some that were Digital 8 and
>>>>> I was able to do likewise.
>>>>>
>>>>> Recently I got some Mini DV (not Mini DVD) tapes and discovered after
>>>>> the fact that all of these recordings were done in such a format that
>>>>> the Audio is not reproducible by any other means than from the guy who
>>>>> taped these for me. The video always comes through fine, it's just the
>>>>> audio I am having trouble with. I tried a couple of iterations of
>>>>> swapping out the audio cables and made sure they were properly
>>>>> connected.
>>>>>
>>>>> He left a few untransfered to DVD for me and now I am stuck with Mini
>>>>> DV tapes that I can not get the sound out of. I suspect these were
>>>>> recorded in 16 bit Audio, because all of the 12 Bit recordings play
>>>>> back just fine. I have tried in vain using other camcorders and even
>>>>> messed with every combination of audio setting on the camcorder with
>>>>> the RCA jacks, but the Audio just does not come through. I have only
>>>>> tried using RCA jacks, I am not familiar with other technologies.
>>>>>
>>>>> If someone can help me figure out how to recover the audio from these
>>>>> recordings along with the video stream, I would be very thankful.
>>>>
>>>>
>>>> Double check the audio settings on whatever it is you're playing back
>>>> on. Since the audio on his tapes is in 16-bit 48khz mode, there will
>>>> only be audio on channels 1 and 2 while 12-bit 32khz mode (even though
>>>> there is a loss in sound quality this way) can have 4 channels of audio.
>>>
>>>
>>> I bought 4 different players and had to return each as every time I
>>> changed the settings either I got no sound or intermittent sound
>>> playback. Each time I tried this I played them back and made sure the
>>> cables weren't loose. I just wonder if this is all due to the fact that
>>> I am using RCA jacks to try and retreive the audio and video from these
>>> tapes. I am concerned that I may get other recordings like this from
>>> Mini DV tapes in the future, and that the tapes may not be able to be
>>> played back because this is a problem with Mini DV technology.
>>
>>
>> I've recorded audio in 12-bit (accidentally) and 16-bit (intentionally) and
>> never had "a problem with Mini DV technology". You've got some settings
>> wrong somewhere, but from your description I can't guess what.
>>
>>> I have camcorder equipment that can playback 8mm, Digital 8 tapes and
>>> even VHS C, but I have only experienced this problem with Mini DV. I
>>> will try the firewire option as someone suggested. I guess it is time I
>>> got with the times. One thing I noticed is that several camera manuals
>>> indicate that you can only playback 16 bit audio recordings in 12 bit
>>> audio mode.In many cases when I tried to change the settings on most of
>>> these cameras they would not let me change the Audio to 16 bit.
>>
>>
>> Your last two sentences don't make sense to me.
>>
>> 1. You can't play 16-bit recordings in 12-bit mode. However, AFIK, the
>> camera will automatically play tapes in the mode they are recorded in, so
>> you shouldn't have to make any settings.
>>
>> 2. In the record mode, you can only change the settings for future
>> recordings; as I read your last sentence I wonder if you meant that while
>> you were in playback mode, you were trying to change the record mode of an
>> existing tape...
>>
>> You might mention what camcorder or player you're using so someone who
>> knows the equipment or has the manual can guide you more accurately.
>>
>
> I wonder if he recorded in "VR " mode instead of "Video" mode?
He's talking about a camcorder...
--
Gene E. Bloch (Gino)
letters617blochg3251
(replace the numbers by "at" and "dotcom")
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