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General Audio / Re: fb2k's foo_hdcd not as good as hdcd.exe?
Last post by kode54 -
Hi. The HDCD decoder can only have two processing effects: Gain level adjustment, and peak extension. There is no other magic processing that can have any effect on the signal. Halving the volume level and converting to 24 bit really has no effect, other than halving the volume.
3rd Party Plugins - (fb2k) / Re: iPod manager
Last post by musicmusic -
0.7.1 beta has been released:

This will hopefully fix problems using some iPod shuffle 4G devices with the component and also adds support for the equivalent of on-the-go playlists on the iPod nano 7G.

At the moment it's marked as a beta version, but I'll remove that tag if no problems are reported.
Opus / Re: How to encode TRUEHD 5.1 to Opus 5.1 using opusenc?
Last post by Luke M -
If you want to encode opus directly from ffmpeg, not using opusenc, you have to use some weird options because the defaults are broken.

Code: [Select]
ffmpeg -i input.mkv -af aformat=channel_layouts="7.1|5.1|stereo" -mapping_family 1 -vcodec copy -scodec copy -acodec libopus -map 0 output.mkv

Without the channel_layouts stuff, ffmpeg will fail with an error such as "Invalid channel layout 5.1(side) for specified mapping family -1". Without the mapping_family option, ffmpeg will disable channel coupling and LFE optimization.

The default bitrate is 96k for stereo, 320k for 5.1, and 416k for 7.1. There's no way to change this in a sensible way (e.g. per channel); if you set a bitrate it will apply the same rate to stereo, 5.1, 7.1, etc.
Uploads - (fb2k) / Re: A new resampler DSP for foobar2000
Last post by seventhstar -
Hola! What is the best configuration for the SoX resampler and the Smart Dither in foobar2000 for downsampling (24/96 to 16/48) and upsampling (16/44.1 to 16/48)? I'm not interested in speed, I'm interested in the maximum configuration. Thanks.

SoX default settings:
Quality: Best
Passband: 95%
Allow aliasing/imaging: No
Phase Response: 50% (linear)

Smart Dither default settings:
Target bith depth: 16 bps
Amount of dither in bits: 1.0 bits
High-pass filter the dither noise: Yes
Opus / Re: Why doesn't opusenc have a quality setting?
Last post by moisesmcardona -
The only thing hard coded into the encoder and decoder is the resampling quality, which is set at 5. I have made custom builds with this number changed to 10. I don't think the developers will change this behavior soon as they think that 5 is enough, but still internally at the code, it can go up to 10.
Support - (fb2k) / Re: How about the "Library files could not be written" dialog ?
Last post by wcs13 -
Thanks Case. Here's the log file.
I've cleared it up a bit from some apps (antivirus, firefox, rainmeter, etc.).
You'll easily find all the foobar stuff and the reported errors.

Having checked several times today, I need to add that in fact the error is not systematic. Actually I thought it was, because maybe it tends to happen "all the time" or "most of the time" when foobar has been running for at least some minutes (usually I leave it running for hours). But just starting foobar and quitting it after a few seconds seems to trigger the error less often.

I don't know what more to add. Feel free to ask for more tests of course.
General Audio / Re: Headphones amplifier
Last post by DVDdoug -
Is there something wrong with the existing headphone output?   It's easier to make a recommendation if we know what problem you're trying to solve.

If the headphones are not loud enough or if you've got an "impedance problem" any headphone amp with line-inputs can be plugged into the existing headphone output (with the appropriate cable-adapters).  

Or, you can plug into the "tape outputs"  or "recording outputs" if your receiver has them, but these are not volume-controlled so you won't be able to use the receivers remote control for volume.   (Bass & treble, EQ, or other controls/adjustments will also be bypassed.)  

I don't have a recommendation for you but I'd recommend that you don't spend a lot of money (unless you have lots of extra money and you don't care).    The actual electronics for a good headphone amp are cheap & easy so you're mostly paying for the power supply, case, controls, connectors, marketing, etc. 

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