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!
>
>
> |---------------------------------------------------------------------|
> | Frederick F. Gleason, Jr. | Chief Developer |
> | | Paravel Systems |
> |---------------------------------------------------------------------|
> | A room without books is like a body without a soul. |
> | |
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