Dolby Pro Logic II decoder??

Cipsy · Jun 17, 2003, 02:36 AM

HI! I was wondering if you can make a Dolby Pro Logic II decoder.

The Pro Logica is nice, but the sound is coded Dolby Pro Logic II in all the DVD rips wich have an mp3 soundtrack, so it would be verry cool if you could do that, as there are only a few with coded with ac3.

I realy think that many would enjoy this decoder.

can it be done? i belive it is not that hard for you people, since you already made pro logica.

gibbon565 · Jun 17, 2003, 02:51 AM

If it were possible, I would certainly be interested

too as the Gamecube doesn't support Dolby 5.1

disco · Aug 2, 2003, 03:43 PM

hmm, how about dolby pro logic ENcoder? bought creative inspire 5500 digital speakers few days ago and audigy1 card. speakers have external dolby digital decoder which outputs audio on all speakers only when dolby digital encoded signal is coming to it's digital input. i've played around with kx dsp editor and managed to produce surround sound with surroundit but it only works in winamp and similar programs. when i get into a game it's another story: rear sounds are played on both front and rear speakers and rear ones are so quiet you can't even hear them. is it possible to produce dolby digital encoder or at least dolby pro logic encoder in dsp window? if not, what encoder card would you recommend for realtime dolby digital encoding? is there any out there less than $1000? nforce got interactive dolby encoding but i just bought p4 with p4pe motherboard and don't want to change everything.

d.

**Eugene Gavrilov** · Aug 2, 2003, 11:32 PM

dolby pro-logic ][ uses active matrix (not 'passive', compared to Dolby Surround)
so, it requires some additional sound processing

I cannot currently promise you to implement PL ][ soon (neither decoder, nor encoder)

/Eugene

disco · Aug 3, 2003, 12:18 AM

i was thinking about pro logic, not pro logic ][. is that possible?

**Eugene Gavrilov** · Aug 5, 2003, 08:02 PM

pro logic 1 is fully supported: both encoding and decoding

/Eugene

disco · Aug 5, 2003, 09:27 PM

hmm... "prologica" is decoder, right? what is encoder?
if you're thinking about default setup being encoder... that sounds awful with all the reverb and chorus. if you change any setting in r/c you loose positioning. besides, it doesnt work in games.

d.

**Eugene Gavrilov** · Aug 8, 2003, 11:17 PM

'surrounder' acts as 'encoder' when it is set in '2.0 - Surround Mix' setting
(as far as I remember

)
and, btw, it might act as 'decoder', too (when in 'movie' mode)

/Eugene

PITmaster · Sep 11, 2003, 12:56 PM

I have the hardware Pro Logic Decoder and I must say the surroundit is not good. It's terrible in fact.

PITmaster

**Eugene Gavrilov** · Sep 12, 2003, 03:41 PM

try prologica instead

we are currently working on a better 'Surrounder +' effect

/E

mehmetk · Feb 20, 2006, 04:41 PM

Is there any process on a pro logic II encoder wich I could have missed?

Maddogg6 · Feb 20, 2006, 05:34 PM

Look for Redocne - its an AC3 encode - which works ONLY on 10K2 based cards - but is capable of encoding 6 channels into 1 SPDIF - not sure if its 100% DPL ][ compliant tho. Theres also an added latency when using this encoder

Tril · Feb 21, 2006, 06:17 AM

This thread was interesting but it's about a Dolby Pro-Logic encoder (not Pro-Logic II). It links to another thread with some info on the algorithms of Pro-Logic and Pro-Logic II.

ROBSCIX · Mar 3, 2006, 01:14 AM

It'll be nice if we get a new improved version of surrounder lt...Is it really that bad that it needs to be re done ? or is this just general improvments. Can you give us some ideas as to what your working on in terms of the surrounder lt? Ok for getting the best surround effect for movies and such is it better to use Prologica or surtrounder lt? just curious?

Tril · Mar 3, 2006, 05:39 PM

ROBSCIX, are you asking the question to Eugene?

Notice that what Eugene last said in this tread was in 2003. Maybe what he had in mind is already in the latest release (3538j) or it was comletely forgotten and nothing changed much since then.

ROBSCIX · Mar 3, 2006, 05:45 PM

yeah good point..I didn't notice the date only the topic..thx..

Tril · Mar 3, 2006, 06:04 PM

It might still be a good idea to ask Eugene if he added all the features he wanted to add at the time he posted that message.

ROBSCIX · Mar 3, 2006, 06:12 PM

Yeah, It's a wonder if any improvments have been made to the Surrounder LT at all. I am not sure if surround "imaging" is heavy on the agenda..only advancement I know of latley is your Time balance although not related to surrounder..kinda helps to trim and tweak surrounders output.. So if anybody know if work has been done to the surrounder latley or if guys are thinking of improving or adding mroe features can you let us know...Just curious... I like my surround sound so I am interested..thx

Jun 17, 2003, 02:36 AM	#1
Cipsy DriverHeaven Newbie Join Date: Jun 2003 Posts: 1 Rep Power: 0	Dolby Pro Logic II decoder?? HI! I was wondering if you can make a Dolby Pro Logic II decoder. The Pro Logica is nice, but the sound is coded Dolby Pro Logic II in all the DVD rips wich have an mp3 soundtrack, so it would be verry cool if you could do that, as there are only a few with coded with ac3. I realy think that many would enjoy this decoder. can it be done? i belive it is not that hard for you people, since you already made pro logica. Last edited by Cipsy; Jun 17, 2003 at 10:23 PM.

Jun 17, 2003, 02:51 AM	#2
gibbon565 Bouncy BOUNCY! Join Date: Jun 2002 Location: Edinburgh, Scotland Posts: 316 Rep Power: 0	If it were possible, I would certainly be interested too as the Gamecube doesn't support Dolby 5.1 __________________ 3500 x64 ASRock Dual Sata 2 7900 GTO 512 1 gig OCUK HANNS-H HW13D

Aug 2, 2003, 03:43 PM	#3
disco DriverHeaven Newbie Join Date: Aug 2003 Posts: 3 Rep Power: 0	hmm, how about dolby pro logic ENcoder? bought creative inspire 5500 digital speakers few days ago and audigy1 card. speakers have external dolby digital decoder which outputs audio on all speakers only when dolby digital encoded signal is coming to it's digital input. i've played around with kx dsp editor and managed to produce surround sound with surroundit but it only works in winamp and similar programs. when i get into a game it's another story: rear sounds are played on both front and rear speakers and rear ones are so quiet you can't even hear them. is it possible to produce dolby digital encoder or at least dolby pro logic encoder in dsp window? if not, what encoder card would you recommend for realtime dolby digital encoding? is there any out there less than $1000? nforce got interactive dolby encoding but i just bought p4 with p4pe motherboard and don't want to change everything. d.

Aug 2, 2003, 11:32 PM	#4
Eugene Gavrilov kX Project Lead Programmer and Coordinator Join Date: Dec 2002 Posts: 3,119 Rep Power: 75	dolby pro-logic ][ uses active matrix (not 'passive', compared to Dolby Surround) so, it requires some additional sound processing I cannot currently promise you to implement PL ][ soon (neither decoder, nor encoder) /Eugene

Aug 3, 2003, 12:18 AM	#5
disco DriverHeaven Newbie Join Date: Aug 2003 Posts: 3 Rep Power: 0	i was thinking about pro logic, not pro logic ][. is that possible?

Aug 5, 2003, 08:02 PM	#6
Eugene Gavrilov kX Project Lead Programmer and Coordinator Join Date: Dec 2002 Posts: 3,119 Rep Power: 75	pro logic 1 is fully supported: both encoding and decoding /Eugene

Aug 5, 2003, 09:27 PM	#7
disco DriverHeaven Newbie Join Date: Aug 2003 Posts: 3 Rep Power: 0	hmm... "prologica" is decoder, right? what is encoder? if you're thinking about default setup being encoder... that sounds awful with all the reverb and chorus. if you change any setting in r/c you loose positioning. besides, it doesnt work in games. d.

Aug 8, 2003, 11:17 PM	#8
Eugene Gavrilov kX Project Lead Programmer and Coordinator Join Date: Dec 2002 Posts: 3,119 Rep Power: 75	'surrounder' acts as 'encoder' when it is set in '2.0 - Surround Mix' setting (as far as I remember ) and, btw, it might act as 'decoder', too (when in 'movie' mode) /Eugene

Sep 11, 2003, 12:56 PM	#9
PITmaster DriverHeaven Addict Join Date: Sep 2003 Posts: 266 Rep Power: 0	I have the hardware Pro Logic Decoder and I must say the surroundit is not good. It's terrible in fact. PITmaster

Sep 12, 2003, 03:41 PM	#10
Eugene Gavrilov kX Project Lead Programmer and Coordinator Join Date: Dec 2002 Posts: 3,119 Rep Power: 75	try prologica instead we are currently working on a better 'Surrounder +' effect /E

Feb 20, 2006, 04:41 PM	#11
mehmetk DriverHeaven Newbie Join Date: Feb 2006 Posts: 3 Rep Power: 0	Is there any process on a pro logic II encoder wich I could have missed?

Feb 20, 2006, 05:34 PM	#12
Maddogg6 Tail Razer Join Date: Jun 2005 Location: Bernyurass, AZ - USA Posts: 4,027 Rep Power: 0	Look for Redocne - its an AC3 encode - which works ONLY on 10K2 based cards - but is capable of encoding 6 channels into 1 SPDIF - not sure if its 100% DPL ][ compliant tho. Theres also an added latency when using this encoder

Feb 21, 2006, 06:17 AM	#13
Tril S-3D enthusiast Join Date: Sep 2004 Location: Canada Posts: 1,676 Rep Power: 64 System Specs	This thread was interesting but it's about a Dolby Pro-Logic encoder (not Pro-Logic II). It links to another thread with some info on the algorithms of Pro-Logic and Pro-Logic II.

Mar 3, 2006, 01:14 AM	#14
ROBSCIX DriverHeaven Senior Member Join Date: Mar 2004 Posts: 1,732 Rep Power: 0	It'll be nice if we get a new improved version of surrounder lt...Is it really that bad that it needs to be re done ? or is this just general improvments. Can you give us some ideas as to what your working on in terms of the surrounder lt? Ok for getting the best surround effect for movies and such is it better to use Prologica or surtrounder lt? just curious?

Mar 3, 2006, 05:39 PM	#15
Tril S-3D enthusiast Join Date: Sep 2004 Location: Canada Posts: 1,676 Rep Power: 64 System Specs	ROBSCIX, are you asking the question to Eugene? Notice that what Eugene last said in this tread was in 2003. Maybe what he had in mind is already in the latest release (3538j) or it was comletely forgotten and nothing changed much since then.

Mar 3, 2006, 05:45 PM	#16
ROBSCIX DriverHeaven Senior Member Join Date: Mar 2004 Posts: 1,732 Rep Power: 0	yeah good point..I didn't notice the date only the topic..thx..

Mar 3, 2006, 06:04 PM	#17
Tril S-3D enthusiast Join Date: Sep 2004 Location: Canada Posts: 1,676 Rep Power: 64 System Specs	It might still be a good idea to ask Eugene if he added all the features he wanted to add at the time he posted that message.

Mar 3, 2006, 06:12 PM	#18
ROBSCIX DriverHeaven Senior Member Join Date: Mar 2004 Posts: 1,732 Rep Power: 0	Yeah, It's a wonder if any improvments have been made to the Surrounder LT at all. I am not sure if surround "imaging" is heavy on the agenda..only advancement I know of latley is your Time balance although not related to surrounder..kinda helps to trim and tweak surrounders output.. So if anybody know if work has been done to the surrounder latley or if guys are thinking of improving or adding mroe features can you let us know...Just curious... I like my surround sound so I am interested..thx