AC3Filter prerelease version (ac3/dts/lpcm support) - Page 3

arty · 21st May 2004, 07:55

Valex: just a "THANK YOU" !

how about DTS encoding instead of DD (or together) ?
yes, I know that could be hard without any docs...

yidaki · 21st May 2004, 08:09

No bugs yet

(except for the incompability with reclock, but that's not really your department)

Would be cool if there was a sample rate output setting where it automatically chooses the same as the input, so that you wont have to change that everytime you watch another movie.

Solo · 21st May 2004, 08:14

I battled to get my external amp to recognise my AC3 audio track last night. The SPDIF (disabled) check box confuses me

With old filter I just selected spdif out from drop down menu and all OK. Is spdif then enabled but default ?

Went back to ver70 and it works perfect again.

Monamona · 21st May 2004, 11:23

Quote:

Originally posted by Valex
@Monamona
> Could someone tell how to enable real-time AC3 encoding?

AC3 encoding is used when SPDIF output is specified and passthrough mode for selected format is disabled. Current SPDIF output mode you can see near SPDIF checkbox (in parenthesis).

But note that encoding may not be possible because some sound cards cannot transmit 44100Hz encoded audio, so if you have such source it will be encoded.

I connect soundcard and Klipsch GMX-D5.1 with optical cable, but
it still does not recognize dolby digital.(means 'not encoded')
Is there any special way to 'specify SPDIF'?
Always shows 'disabled' in parenthesis.

MentholMoose · 21st May 2004, 12:17

There are issues with SPDIF on 1.01a RC1. I did post a workaround on the first page, but it might not work 100%.

Valex · 21st May 2004, 14:04

Fixed (I hope

) bug with SPDIF passthrough:
http://ac3filter.sourceforge.net/dow..._1_01a_rc2.exe

(ac3 encode bug is still alive...)

Valex · 21st May 2004, 14:23

@obieobieobie
Using Zoomplayer 3.20 I get both the standard Fraunhofer MP3 decoder in WinXP and the new ac3filter showing up.

By deactivating PCM decoding in the ac3filter system config, it stopped showing up, but it showed up when I disabled both the MPEG audio options.

Filter does not decode mp3 but can do post-processing, so both mp3 decoder and filter was included. By disabling PCM support you disable post-processing.

Valex · 21st May 2004, 14:26

@Tuning
but i don't understand why ac3 filter is used while decoding AAC?

Because it replaces MatrixMixer functionality and can do post-processing for any audio source. To disable this disable 'Use AC3Filter for PCM' option at 'System' page.

Valex · 21st May 2004, 14:29

@yidaki
it would seem ac3filter is a litte buggy when using it together with reclock though, audio disappears for 3-5seconds once every 15min or so

Could you test it without Reclock? (so is it problem connected with filters compatibility or because of ac3filter only?)

Would be cool if there was a sample rate output setting where it automatically chooses the same as the input

Sample rate? Maybe you mean speakers configuration?

Valex · 21st May 2004, 14:41

@rjamorim
Just wondering... why no layer III decoding?
Layer 1/2 formats are mandatory for DVD playback. So it is possible that DVD logo uses ac3, menu uses mp2 and video uses lpcm audio track and addons with dts.

. And it is required for decoder to switch between these formats.

Also, don't you think it's about time you change the filter's name?

Why? It is good and well-known 'brand'

About users wanting another decoder for a specific format: Valex should do just like Milan, and let the user decide which formats you want associated with the filter and which you don't.

Already done

DKDIB · 21st May 2004, 14:52

Pogo stick wrote:
> I may be wrong, but Tuning didn't mean that AAC shouldn't be
> included in AC3Filter.
> [...]

Sorry, you're right! ^^''
I misunderstanding Tuning because I read his post after this one:

Valex wrote:
> Planning [AAC N.d.DK] (and OGG too)... Moreover it is no troubles to
> add new decoders anymore.

Valex · 21st May 2004, 14:54

@Mitchjs
I couldnt get a .DTS file to pass its 44.1k sampling...
Which sound card? My experiments at ixbt forum show that some sound cards cannot work with 44100Hz SPDIF output sample rate...

could you make a option to disable all AC3 encoding...
You're right...

Valex · 21st May 2004, 14:55

@Shayne
Try rc2 version...

Valex · 21st May 2004, 14:58

@yablo
Unfortunately in this version the feature just teases me. It will work for a short amount of time (less than 30sec) before the audio cuts out.

If you have some free time to perform testing just write to my email...

SeeMoreDigital · 21st May 2004, 15:00

Although you've confirmed that your apps name will remain AC3Filter, I have to say I would still love to see AAC LC and HE decoding incorporated.

There are precious few 'hardware' amplifiers that can accommodate: AC3, DTS, LPCM and AAC streams. So having an piece of 'software' that could do it would be a big bonus.

Cheers

Valex · 21st May 2004, 15:05

@arty
how about DTS encoding instead of DD (or together)?
It will require too much time. And AC3 decoders are more widespread...

Valex · 21st May 2004, 15:20

@Solo
I battled to get my external amp to recognise my AC3 audio track last night.

yes, SPDIF output is still buggy...

The SPDIF (disabled) check box confuses me With old filter I just selected spdif out from drop down menu and all OK. Is spdif then enabled but default ?

The problem is:
1) SPDIF output is not always possible.
2) Filter should correctly switch between formats.

If I have DVD with AC3 and LPCM audio tracks I have to switch from AC3 passthrough mode to LPCM mode and vice versa. So you cannot just set SPDIF output, because it is not always possible to use it and SPDIF output state may change during opertaion. It is very complicated problem and it is why I need your help with SPDIF testing...

Valex · 21st May 2004, 15:28

Forgot to say thanks to Josip Tosic for new 'splash screen', it is much more pleasant

(I'm not too good designer

)

Valex · 21st May 2004, 16:09

I will be out till monday. Hope somebody could make some tests with new version.

Soulhunter · 21st May 2004, 18:11

Very nice, THX...

Btw, would it be possible to add a limiter/compressor for each channel ???

Bye

21st May 2004, 14:04	#46 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	Fixed (I hope ) bug with SPDIF passthrough: http://ac3filter.sourceforge.net/dow..._1_01a_rc2.exe (ac3 encode bug is still alive...) Last edited by Valex; 21st May 2004 at 14:57.

21st May 2004, 14:29	#49 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@yidaki it would seem ac3filter is a litte buggy when using it together with reclock though, audio disappears for 3-5seconds once every 15min or so Could you test it without Reclock? (so is it problem connected with filters compatibility or because of ac3filter only?) Would be cool if there was a sample rate output setting where it automatically chooses the same as the input Sample rate? Maybe you mean speakers configuration? Last edited by Valex; 21st May 2004 at 15:07.

21st May 2004, 14:41	#50 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@rjamorim Just wondering... why no layer III decoding? Layer 1/2 formats are mandatory for DVD playback. So it is possible that DVD logo uses ac3, menu uses mp2 and video uses lpcm audio track and addons with dts. . And it is required for decoder to switch between these formats. Also, don't you think it's about time you change the filter's name? Why? It is good and well-known 'brand' About users wanting another decoder for a specific format: Valex should do just like Milan, and let the user decide which formats you want associated with the filter and which you don't. Already done Last edited by Valex; 21st May 2004 at 14:46.

21st May 2004, 14:52	#51 \| Link
DKDIB Paradise searcher Join Date: May 2003 Location: EU (Italy) Posts: 76	Re: Re: Re: AC3Filter prerelease version (ac3/dts/lpcm support) Pogo stick wrote: > I may be wrong, but Tuning didn't mean that AAC shouldn't be > included in AC3Filter. > [...] Sorry, you're right! ^^'' I misunderstanding Tuning because I read his post after this one: Valex wrote: > Planning [AAC N.d.DK] (and OGG too)... Moreover it is no troubles to > add new decoders anymore. __________________ "In 18 anni non ero mai servita a nessuno, ma qui posso aiutare e persino essere necessaria agli altri." .hack//SIGN special - Intermezzo

21st May 2004, 15:00	#55 \| Link
SeeMoreDigital Life's clearer in 4K UHD Join Date: Jun 2003 Location: Notts, UK Posts: 12,227	Although you've confirmed that your apps name will remain AC3Filter, I have to say I would still love to see AAC LC and HE decoding incorporated. There are precious few 'hardware' amplifiers that can accommodate: AC3, DTS, LPCM and AAC streams. So having an piece of 'software' that could do it would be a big bonus. Cheers __________________ \| I've been testing hardware media playback devices and software A/V encoders and decoders since 2001 \| My Network Layout & A/V Gear \|

21st May 2004, 07:55	#41 \| Link
arty Registered User Join Date: Jul 2002 Location: Budapest, Hungary Posts: 45	Valex: just a "THANK YOU" ! how about DTS encoding instead of DD (or together) ? yes, I know that could be hard without any docs...

21st May 2004, 08:09	#42 \| Link
yidaki Registered User Join Date: May 2003 Posts: 41	No bugs yet (except for the incompability with reclock, but that's not really your department) Would be cool if there was a sample rate output setting where it automatically chooses the same as the input, so that you wont have to change that everytime you watch another movie.

21st May 2004, 08:14	#43 \| Link
Solo Registered User Join Date: Mar 2003 Location: The Sunshine Motel Posts: 168	I battled to get my external amp to recognise my AC3 audio track last night. The SPDIF (disabled) check box confuses me With old filter I just selected spdif out from drop down menu and all OK. Is spdif then enabled but default ? Went back to ver70 and it works perfect again.

21st May 2004, 12:17	#45 \| Link
MentholMoose Registered User Join Date: Apr 2003 Posts: 9	There are issues with SPDIF on 1.01a RC1. I did post a workaround on the first page, but it might not work 100%.

21st May 2004, 14:23	#47 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@obieobieobie Using Zoomplayer 3.20 I get both the standard Fraunhofer MP3 decoder in WinXP and the new ac3filter showing up. By deactivating PCM decoding in the ac3filter system config, it stopped showing up, but it showed up when I disabled both the MPEG audio options. Filter does not decode mp3 but can do post-processing, so both mp3 decoder and filter was included. By disabling PCM support you disable post-processing.

21st May 2004, 14:26	#48 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@Tuning but i don't understand why ac3 filter is used while decoding AAC? Because it replaces MatrixMixer functionality and can do post-processing for any audio source. To disable this disable 'Use AC3Filter for PCM' option at 'System' page.

21st May 2004, 14:54	#52 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@Mitchjs I couldnt get a .DTS file to pass its 44.1k sampling... Which sound card? My experiments at ixbt forum show that some sound cards cannot work with 44100Hz SPDIF output sample rate... could you make a option to disable all AC3 encoding... You're right...

21st May 2004, 14:55	#53 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@Shayne Try rc2 version...

21st May 2004, 14:58	#54 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@yablo Unfortunately in this version the feature just teases me. It will work for a short amount of time (less than 30sec) before the audio cuts out. If you have some free time to perform testing just write to my email...

21st May 2004, 15:05	#56 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@arty how about DTS encoding instead of DD (or together)? It will require too much time. And AC3 decoders are more widespread...

21st May 2004, 15:20	#57 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	@Solo I battled to get my external amp to recognise my AC3 audio track last night. yes, SPDIF output is still buggy... The SPDIF (disabled) check box confuses me With old filter I just selected spdif out from drop down menu and all OK. Is spdif then enabled but default ? The problem is: 1) SPDIF output is not always possible. 2) Filter should correctly switch between formats. If I have DVD with AC3 and LPCM audio tracks I have to switch from AC3 passthrough mode to LPCM mode and vice versa. So you cannot just set SPDIF output, because it is not always possible to use it and SPDIF output state may change during opertaion. It is very complicated problem and it is why I need your help with SPDIF testing...

21st May 2004, 15:28	#58 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	Forgot to say thanks to Josip Tosic for new 'splash screen', it is much more pleasant (I'm not too good designer )

21st May 2004, 16:09	#59 \| Link
Valex Registered User Join Date: Sep 2002 Posts: 144	I will be out till monday. Hope somebody could make some tests with new version.

21st May 2004, 18:11	#60 \| Link
Soulhunter Bored... Join Date: Apr 2003 Location: Unknown Posts: 2,812	Very nice, THX... Btw, would it be possible to add a limiter/compressor for each channel ??? Bye __________________ Visit my IRC channel Last edited by Soulhunter; 21st May 2004 at 19:23.

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode