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Topic: Quality of --resample 48000 ? (Read 4073 times) previous topic - next topic
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Quality of --resample 48000 ?

I use APE for listening to my music collection at home, and I have a pretty good soundcard (Santa Cruz).

I use these APE files as a source to create OGGs to listen to at work (I burn them on CDs). The problem is, these OGGs will be played on a variety of systems (as a contract programmer, I switch PCs on regular intervals). Most of these systems have an onboard AC97 audio chipset.

It is generally known that the resampling on a lot of soundcards/onboard audio chips is not very good. Therefor, I'm considering using --resample 48000 with OGG, to let OGG do the resampling instead of the soundcard.

So my question is: how good are the resampling algorithms that OGG use ? Does OGG use Shibatch's SSRC code ?

What are your thoughts about this issue (using --resample with OGG to compensate for poor hardware resampling) ?
Over thinking, over analyzing separates the body from the mind.

Quality of --resample 48000 ?

Reply #1 –
Quote
Originally posted by PoisonDan
It is generally known that the resampling on a lot of soundcards/onboard audio chips is not very good. Therefor, I'm considering using --resample 48000 with OGG, to let OGG do the resampling instead of the soundcard.

So my question is: how good are the resampling algorithms that OGG use ? Does OGG use Shibatch's SSRC code ?

What are your thoughts about this issue (using --resample with OGG to compensate for poor hardware resampling) ?

If I remember correctly, Ogg uses some sub-optimal routine far from SSRC's quality. But even if the resampling is done as well as possible, doing it before encoding isn't wise as it will only waste bits unnecessarily. It's better to resample during playback (hint: in Windows you can use Winamp with Peter's SSRC plugins).

Quality of --resample 48000 ?

Reply #2 –
If you want to use SSRC with Ogg automatically - try dBpowerAMP Music Converter - www.dbpoweramp.com and also install the Ogg Release 1 codec.

PS When installing, on the configuration page - enable the 'Professional Frequency  Conversion' box.