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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. 

General Audio / Re: fb2k's foo_hdcd not as good as hdcd.exe?
Last post by Porcus -
Sheesh. I only did that to prevent false positives, which are a dime a dozen when it comes to the HDCD format.
There probably were, when foo_hdcd reacted to single-channel flags. That bug was fixed some three years ago?

Doubling volume 10 seconds into the the track is an audibly BIG error. According to,79427.msg836348.html#msg836348 , a HDCD decoder should need no more than 200 milliseconds to switch on. According to,30999.msg778685.html#msg778685 , it would work less-than-perfect for the first 145 ms into a cut+paste ...

If you don't like it, I can just make it always process, and never auto detect

If I can suggest something, let it respond to the <HDCD> tag as follows:
"ALWAYS": switch HDCD on at the beginning of the track
"YES": mimic a HDCD DAC as close as practically possible.
"RESET xxxx": switch HDCD off and ignore the first xxxx ms. That fixes wrong track transitions. Likely most useful for scanning.
"NO": ignore HDCD (= never process this track) upon playback - but invoke when scanning.
"NEVER": ignore HDCD upon playback and upon scanning, like today's "NO".

The "ideal" thing to do (cf. quotes by Charles Hansen above) would be to check the pregap. But that requires foo_hdcd to utilize the previous track, given the common practice of appending pregaps, and that maybe isn't straightforward unless fb2k plays two consecutive tracks from the same album.
But if the user scans an entire album and finds that tracks N-1 and N are both HDCD, then the ALWAYS would handle that.
3rd Party Plugins - (fb2k) / Re: External Tags
Last post by Case -
Version 1.0.18 up with the new search function moved to its own thread. Also fixed a bug with reading back ReplayGain info from non-subsong enabled external APE tags.
Support - (fb2k) / Hiss with ISO files Only Question and Supplied Solution
Last post by Revup67 -
Hello Foobar users,

This took considerable time to solve and thought to post a potential solution that may occur with others in a same scenario.

Gear:  MS Surface Pro 4 Win10/with i7/8gig ram / SSD connected to a 12TB Western Digital Drive via CAT 6

Sound card connection  - 2 ways:  via Mini DV port to HDMI (port #5 on Denon AVR4200 Receiver - 24/192 DAC) and also via USB to an SB-X 5.1 Surround Creative Labs (24/96 DAC) which connects via Optical Cable to same Port #5. (you can assign two connections on this receiver to same port)

This allows the toggling of either sound output device with Direct Sound digitally by using the Output drop down menu or the DS: Primary option is another choice.

Installed components with Foobar 1.41:  Channel Mixer, Resampler SoX set to Best and highest 192k, EQ (usually fla but alter on as needed basis) and Advanced Limiter.  No DSD (disabled) usage straight PCM to allow for the SB-X or the Denon to handle the decoding.  I prefer the Channel Mixer (to create profiles and tweak) vs. the components such as Convert Stereo to Quad or some of the others but I do swap frequently for comparisons.

I've been playing off the Microsoft Surface battery (mostly) as I unplug the tablet and move into the Theater Room where our 5.1 sound is setup.

All has been happy and well until yesterday.  I had opened VLC after finding that Foobar was unable to manage (that I am aware) BDMV files and also ISO's encoded for Blu-Ray.

I had finished with VLC after about 15 minutes and then re-opened Foobar and played a 5.1 ISO audio file which had always played fine.  The degradation of sound was noticeable.  Dull with hiss especially in the center channel.  However 2ch SACD (24/96 or 24/192) played fine with exact same settings as did MP3's etc. Upmix to 5.1, Stereo, any combo no issues.

After numerous and endless testing with plugging and unplugging of cables, drivers for all hardware sources, disabling all components, reinstalling Foobar and so on, the solution was simply to plug in the A/C cord to the Surface Tablet.  The white noise / hiss on ISO 5.1 files was resolved.  (no out of memory error messages BTW - I tend to keep almost everything closed though I didn't monitor every background process).  All I can attribute is perhaps the file size of the ISO across the network and heavier demand on the CPU caused the drain in battery mode only (?).  I'll add the prior evening, running Sirius XM through the tablet into our other sound system caused it to go off after 15 minutes as that's the default Power Plan - to sleep after 15 mins on battery.  I moved this to 1 hour and Sirius played fine.   The following morning (today) I moved the tablet back to the 5.1 surround sound system,  it played VLC fine with DVD-Audio and Blue-Ray - nice clean 5.1 sound.  About 20 minutes after I re-opened Foobar and this was when I first noted the white noise Hiss issue and thus I can confirm is specific to Foobar since VLC had no issues with 5.1.

The issue appears resolved though I'll continue to monitor.  Anyone else with hiss on ISO 5.1 files only out there?

Best wishes,

Support - (fb2k) / VB-AUDIO CABLE
Last post by kwam202 -
Hi everyone.

I recently installed vb audio cable asio bridge for my use with Spotify, and as well the sound can goes direct into my dac which is also a bit particular.

Yes  in asio bridge I chose the component for foo ar I installed and used until now . said DSDTranscoder .

my dac is an audiophonics sabre ess9028q2m ,

but with foobar2000 now and vb audio cable sio bridg installed, I must choose another output in foobar2000 preferences. because ASIO in foobar didn't worked anymore.

The  in foobar the only option's working is KS which means the kernel streaming , :) .

did i done right ?

my dac is usb dsd XMOS U208.

tye fact is I'm absilutely nit interested in dsd nor hd files.
but the dac needs to go in an output like asio or sometimes even pass though dsd , because without using dsd processor which is inside the dac, you can't have access filterings that are essentials or seems essentials  etc,  to avoid bad sound or what else .

My question is also should I try to use the wasapi out ? that said usually without vb audio installed my dac doesn't work i  asio, or not very well because on ly asio mode seems let the sound going to the dsd processor' dac.


P.S : it often happens that simple setup of this kind of dac is not clearly explains on forums , or often goes with stuffs like dsp correction oversampling etc...

not my aim, my files audio I read is most 16-44khz. though upsampling or whatever eg 16 44 khz to dsd 32bits 384khz etc ... is absolutely not my aim .

thnks again
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