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Topic: FB2K output always 6 channels? (Read 299 times) previous topic - next topic
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FB2K output always 6 channels?

For the past god knows how long, since circa 2014 I think, I've been using FB2K 1.3.10 with Equalizer APO to upmix to 5.1 with custom settings. When I was forced to upgrade my computer a few weeks ago, I decided to update my FB2K setup to 1.6.5 and painstakingly transferred my old theme over.

Then I set up Equalizer APO and discovered that ALL output options were sending 6 channel audio even for mono and stereo content. If: inputChannelCount == 2 no longer worked, instead, If: inputChannelCount == 6 must be used for all cases... which completely defeats the purpose.

This is true for Primary Sound Driver and any other option.

Foobar2000 1.3.10 did NOT behave this way.

I also noticed that if iTunes is set to Windows Audio Session it always outputs 6 channels, while setting it to Direct Sound it behaves as expected.

Can anyone confirm and/or shed some light on this?

Here are the relevant console entries:

Primary Sound Device:
Code: [Select]
item focus changed 
Opening track for playback: "F:\Music\Beatport\David Tort, Mark.M, Yas Cepeda, Ella Loponte - Strangers (Extended Mix).mp3"
Device: Speakers Digital (SPDIF) (DTS DCH Audio Device)
Mix format: 48000 Hz / 32-bit float / 6 channels (0x3F)
Sending stream: 48000 Hz / 32-bit float / 6 channels (0x3F)

This should be sending 2 channels for a stereo audio file, right? No stream / mix format entries for WASAPI:

WASAPI Primary Sound Device:
Code: [Select]
item focus changed 
WASAPI shared configuration: 48000 Hz, 6 channels (FL FR FC LFE BL BR), 32 bps (float). Buffer size 1056 frames.
Opening track for playback: "F:\Music\Beatport\Wild Dee - Sunny (Original Mix).mp3"

This is what I'm resorting to for now.

WASAPI VB-Cable (Force Stereo):
Code: [Select]
item focus changed 
WASAPI shared configuration: 48000 Hz, 2 channels (FL FR), 32 bps (float). Buffer size 1056 frames.
Opening track for playback: "F:\Music\Beatport\Gorillaz, D.R.A.M. - Andromeda (feat. D.R.A.M.) (Purple Disco Machine Remix).mp3"

 

Re: FB2K output always 6 channels?

Reply #1
It uses WASAPI now, and it always outputs to the default shared format of the device, which includes the channel count.


Re: FB2K output always 6 channels?

Reply #3
Excellent, many many thanks! I'm happy.

 
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