Converting high res tracks --> MP3

[Pier]

Hi,

I have several high res 24/96 and 24/88.2 albums in FLAC format. I want these to convert to MP3 for use on my iPod and other players in my network that doesn't support FLAC.

When I convert them directly from FLAC to MP3 with Lame (highest quality VBR setting) this works fine and the tracks are re-sampled to 16 bits and 44.1 kHz or 48 kHz automatically depending on the source sample rate.

How does this works? Is this conversion handled by Lame itself or invokes dMC the sample rate converter and bit depth conversion of the DSP first in the background?

Is this the best way, or do I get better quality by using the SSRC and bitdepth converter by invoking them first manually in the DSP pane?

[Spoon]

Re: Converting high res tracks --> MP3

The frequency conversion is done by dBpoweramp, SSRC is used if the 'Professional Frequency Conversion' option is enabled in dBpoweramp Configuration (this is default in R14 and the option is now removed).

[Pier]

Re: Converting high res tracks --> MP3

OK thanks Spoon, I did set the 'Professional Frequency Conversion' option already.

The batch converter does a great job here, also transferring the Flac tags to the MP3's automatically. Nowadays albums in high-res Flac format come more available as a download purchase.

B.t.w. Any idea when R14 becomes available?

[koffeetalk]

Re: Converting high res tracks --> MP3

Is there a way to convert Studio Master FLAC to 16/44.1 FLAC in one conversion? I've tried a few experiments and it seems that dMC doesn't do any frequency conversion even when the "professional frequency conversion" is checked.

I was experimenting with some 24/192 FLAC downloads (to be played on my Linn DS system), and I want to convert to a FLAC format that is playable on my Sonos system. It sounds like I can convert directly to mp3, but I was hoping to convert to FLAC to maintain the files in a lossless format. Maybe this doesn't work since I would have to incur some "loss"?

Thanks.

[koffeetalk]

Re: Converting high res tracks --> MP3

Never mind... I found my own answer.

The DSP effects "bit depth" and "resample" take care of this conversion!

[Spoon]

Re: Converting high res tracks --> MP3

3 weeks (r14 released)

[Pier]

Re: Converting high res tracks --> MP3

The DSP effects "bit depth" and "resample" take care of this conversion!

In that case do the src first (have it on top in the DSP window) and then the bit depth conversion with triangular dither. The DSP's are used in the same order as listed in the DSP window.

[Pier]

Re: Converting high res tracks --> MP3

One extra question that confuses me. When I convert hi-res to MP3 directly does the bit conversion use dither? And if so what kind of dither, triangular or rectangular? There is no setting for this in the configuration.

[Spoon]

Re: Converting high res tracks --> MP3

mp3 is a bit depth independent format, so if you had a 32-bit float it would go into mp3 as that.

[sdtsvhj]

Re: Converting high res tracks --> MP3

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