Hello,

Bumping up the subject, I'm pretty sure I can get help here:

Le 28/03/2020 à 20:21, Hoggins! a écrit :
> Hello there,
>
> I'm basically in the same process as Aaron, and additionally during my
> conversion process I would like to update the encoding format.
> Currently, some of my oldest cuts are stored in MPEG2 (while all of them
> are at 44100Hz, but mixed PCM24 and MPEG2), and I would like all of them
> to be converted to PCM24/48000Hz. For that, I'd like to be sure what to
> update in the database (I'm still running Rivendell 2.19.3).
>
> I'm a bit puzzled by what I see already in that database:
>
>     mysql> select distinct SAMPLE_RATE FROM CUTS;
>     +-------------+
>     | SAMPLE_RATE |
>     +-------------+
>     |       44100 |
>     |        NULL |
>     |           0 |
>     +-------------+
>
>     mysql> select distinct CODING_FORMAT FROM CUTS;
>     +---------------+
>     | CODING_FORMAT |
>     +---------------+
>     |             0 |
>     |             1 |
>     |          NULL |
>     +---------------+
>
>
> Some cuts seem to have no info about their coding format or their sample
> rate, which is odd. Is there a default? They play fine, though.
>
> Anyway, as I'll update database only from existing files, so there is
> little chance that I mess things up, but I'd like to be sure about the
> new values of CODING_FORMAT, SAMPLE_RATE for each cut, and even
> BIT_RATE, because there are also NULL and 0 values among them.
> It seems that CODING_FORMAT doesn't follow the value that can be set by
> rdconvert(1), so I'd like to be sure.
>
> Thanks !
>
>     Hoggins!
>
> Le 04/12/2019 à 19:15, Fred Gleason a écrit :
>> On Dec 3, 2019, at 15:34, Aaron <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>>> My question - can I simple process all of the .wav files in /var/snd
>>> with sox to convert them to 48 kHz, change the setting in rdadmin and
>>> reboot?  Or is it more involved than this?
>> You don’t want to use sox(1) for this, because it will strip out the
>> pre-rendered waveform data (specifically, the ‘LEVL’ chunk) that is
>> encoded in each file. However, Rivendell ships with a command line
>> utility called ‘rdconvert’ that can be used to do this and will
>> preserve that data. Do ‘man 1 rdconvert’ for more into.
>>
>> Cheers!
>>
>>
>> |---------------------------------------------------------------------|
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>> |                           |             Paravel Systems             |
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