DDTS-100 low output

Can Creative help me on why I have a low output (volume near to max for both ) from my Altec Lansing 505R speakers connected to my PS2, Xbox n DVD(optical), Creative soundcard Audigy(coaxial) and TV, Creative soundcard Audigy(stereo) but when I connect stereo direct(stereo input) to my speakers with volume set mid, the speakers output is way louder n better. Is there something wrong with my DDTS-100? Adjusting the center, rear and subwoofer didn't make any difference for my output. Anybody have any comments on this. Thinking of sending it down to the Creative service centre for a check if there is no solution for this. Hope Creative can advise on this.
Message Edited by salmal on 04-20-2005 06:51 PM

I guess I should have done my homework before posting! I went to dolby.com and found that prologic II does not support the subwoofer output.. I guess this is for older systems that don't have one. It would have been nice if creative could have enabled the sub out though.. but it probobly is against dolby's rules. The good news is that all of my speakers are large, full range ones anyways. (the new dolby prologic IIx does support the subwoofer out, but the DDTS-00 doesn't support prologic IIx, go figure) Overall the unit seems like it will work ok for me... Oh, by the way, I plan on using it as the input for an older McIntosh tuner/pre-amp in my home theater, no computer or powered speakers involved. It has a 6 channel input, but no dolby digital decoder.. I hope it works for that, seems like it should. I just need the mini plug to RCA adapters, right?
Thanks, Ron

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Ddts-100 + audigy2 zs + 550thx mega works. only left/right output

just purchased and installed the above system. however, when doing the software test under speaker settings, i only get front left and front right. all the others dont work. i have miniplug out from audigy (digital output) to (coaxial input) decoder, then decoder out (front left/right, rear left/right, sub/front) to megaworks input (front left/right, rear left/right, sub/front). i do the test on the ddts-100 decoder, and i get all 5.1 channels. now, just to clarify, i used the supplied mini plug to rca, that rca to the rca input (coaxial) the plug is the mono plug that came with the decoder. do i need to go out and buy the 4 pole mini plug? why dont they just supply it instead of the mono plug.. which isnt even shown to be used in my manuals.
anyway, clarification would be good on the mono/4 pole miniplug. otherwise nice sound so far.cant turn it up cuz its midnight and highly doubt the neighbours would appreciate it.
cheers
Steve

Hmmm... My guess is that this is due to your setup with digital out. Since the digital out on your soundcard will not pass through anything other than stereo PCM or encoded SPDIF data you will not get anything else but FL and FR channels when calibrating. Read more about this is the soundblaster forum section here.
My suggestion, as I'm sure everyone else will, is to connect your soundcard using the analogue outputs into the switchbox of the DDTS-100.
Edit: to be more precise this is how you can connect everything: from your soundcard, connect the analogue outputs into the switchbox of the DDTS-100. Connect the switchbox to the main DDTS-00. Connect the DDTS-00 main to the speakers. Now, connect the digital out from your soundcard into the coaxial input on the DDTS-100. When doing a calibration, switch to PC mode on the switchbox and calibrate. If you then want to use the digital out, enable digital out only in the speaker or THX settings. I use this setup at home actually but use the T7700 speakers instead.
Message Edited by rico0 on 07-20-2005 09:50 AM

DDTS 100 capable of virtual surround on headphone outputs?

I was wondering if the DDTS-100 is capable of virtual surround on the headphone outputs when input is Dolby Surround or DTS?

It's a basic stereo downmix (or at least much more basic than say CMSS3DHeadphone). When headphones are plugged the 'Stereo' LED is always lit.

Help connect X-fi Elite Pro with DDTS-100 and Gigaworks s750

Hi,
I purchased a brand new Gigaworks s750 speakers system, DDTS-100 decoder and X-fi Elite Pro. I connected the DDTS-100 and Elite Pro using Optical Fibre output from the audio console of X-fi Elite Pro to the optical digital input of DDTS-100. With the cables supplied with s750, I connected it to the Decoder DDTS-100. The problem is I am not getting any sound from the rear speakers and the front speakers. Only the centre speakers and the side speakers are producing sound. I could hear loud hissing sound and very very low volume of the music from the front speakers and no sound from the rear speakers. I can hear good quality sound from the centre speakers and average quality sound from the side speakers. What could possibly have gone wrong with my setup ? Somebody please help me. Thanx in advance.

Hi Richie,
Thanq for your response. But unlike what you have mentioned, ("what may be happining is the soundcard is decoding the signal and then the ddts is trying to decode it with disatrous results"), In my setup the signal is not getting decoded two times, once by Soundcard and once by the DDTS-100. As I have mentioned that I am taking out an Optical Signal from the sound card to the DDTS-100, the signal comming out from the sound card to the DDTS is Encoded signal only. So there doesnt arise a chance that the signal is getting decoded twice. Can you think of any other reason why my setup is not working? Please let me know.
regards,
Rahul M

Ddts-100 + dtt3500

I have owned and used my DTT3500 Digital speakers happily for 3 and a half years now. But I have recently bought the DDTS-00 decoder so I could also enjoy DTS encoded material (which the DTT3500 does not support). I've succesfully connected the DTT3500 speakers to the DDTS-100 and made all of them work, but have currently 2 problems:
1) The output volume level is EXCESSIVELY low, either with Dynamic Mode on or off. I've read somewhere here in the forums that is because the DTT3500 decoder is also an amplifier and the DDTS is only a decoder. Well, if that's the case, could I just buy any amplifier and use it connected between the decoder and the speakers?
2) This problem has me puzzled. The DTT3500 speaker cables are RCA mono, but the DDTS-100 has only stereo mini-plug inputs. So, since my father owns an electric supply shop, I simply got 3 2RCA-stereo miniplug converters. I connected the 2 front speakers to one and connected the miniplug to the front input of the DDTS and did the same with the 2 rear speakers, and the center-subwoofer. I get output for all of them EXCEPT the subwoofer when I hit the test button on the DDTS-100 remote control. Mind you that the center speaker DOES work. How can I solve this?
Thank you so much in advance!

This is simply because the DDTS-100, is a standalone decoder, not an amplifier.
You could try messing around with an amplifier, and see if you can make your own setup with an amplifier and the decoder.
Good Luck

DDTS-100 Switcher Alternative?

Hello, I recently purchased a Creative DDTS-100 Decoder, and could not be happier with it. Unfortunately it was a refurbished model missing the switcher box (PC/Decoder to Speakers) and Remote Control. The remote is inconsequnetial as the decoder is not more than a few feet from me, however, the switcher box is considerably more important. Due to my X-fi being unable to output 5.1 (to my knowledge) on any socket other than the 3x3.5mm stereo on the back of my PC, I have to change the plugs every time I want to use full 5.1 on my PC or decoder. I am aware that the X-fi card is unable to output full 5.1 over the SP/DIF out, Optical out or flexijack in Vista due to hardware issues.
My question is, is there any way to hook up the DDTS-100 and my X-fi to my 5.1 headphones (also using 3x3.5mm) with adapters, or is there another product which will allow the same functionality as the DDTS switcher?
Thanks for any help.

You might want to consider a low cost home theater receiver and connect the satellite speakers directly to the receiver. You'll probably have to make your own cable to use the line level output from the receiver's subwoofer channel to the Megaworks subwoofer. Just be careful not to overdrive those little speakers with the receiver. As an added benefit, you'll probably get much better sound quality as well.

DDTS-100 + Zalman 5.1 headphones...will be good ???

Hi guys, i have a mobo with Soundstorm2 and i heard that this card has a excellent digital output....so i want to buy a DDTS-100 decoder to connect with my Zalman 5.1 headphones.....what do you think ?
Thanks in advance for any opinions

I would be careful about the Zalman ZM-RS6F headphones. I don't know if the same problem exists with the newer cards, but I have been having problems with Zalman ZM-RS6F-M headphones interfacing to my SoundBlaster (SB) cards. I suspect it may be that the Zalman interface may not match the standard 3 plug 5.1 surround sound interface.
For my money, if you want good surround sound in a headphone I would get the LTB-USB headphones. If you want a microphone with them, get the LTB-USB-M headphones. They sound great and installation is a snap.
Any way, back to the Zalman's:
I currently have two systems, one with an Athlon 64 3500+ running an SB Live! 24 bit and another with a P4 3.02Gig running an SB 6 bit (or 4 bit's -- it came from my Gateway) card.
The Zalman headphones sound very muddy when connected to the 24 bit card, the volume is very low, and I don't seem to have any bass. In 5.1 mode, there seems to be fairly good location for FL, FC, FR, RR, and RL speakers, but there is no sound when the subwoofer activates. When in Americas Army (AA), you can't even hear anyone walking.
The Zalmans sound a little better with the 6 (4?) bit card, but still are rather muddy and the lack of bass is less noticeable. For many uses, the sound can be fairly well corrected by boosting the bass and treble. When using AA, while footsteps can be heard somewhat, directional sense is worse and footsteps still are way too muffled to be noticeable -- they are much harder to hear than with our old Plantronics stereo speakers.
I am guessing that there are several possible causes for this problem:
1) Interface Incompatibility: When looking at the docs for the SB 24 and the Zalman headphones, I noticed that while the Zalman docs label the 3 plugs as Front, Rear and Center (I assume they are referring to the front, rear and center drivers in each of the headset cans) while the SB24 labels its receptacles as 1,2,and 3. My limited understanding of the typical 5.1 interface is that:- Plug carries both sides of rear (or front, I can't remember)- Plug 2 carries both sides of the other (front or rear)- Plug 3 carries Front Center (FC) and the Subwoofer
If the SB is using the third receptacle for FC and Subwoofer and the Zalman wants it to be Right Center and Left Center, this could be a problem.
2) Impedence Mismatch: I could not find the output impedence of the SB 24 on the site so I was unable to check on whether there is an impedence mismatch between the Zalmans and the SB. If anyone has this information could you please post it's
3) Incorrect driver settings
4) Defective Material: Either the SB 24 or the Zalmans could be defective. (Note: the SB 24 works just fine in stereo headphone mode)
Any assistance in diagnosing this frustrating problem would be greatly appreciated.

Ddts-100 possibility

Hello,
I wanted to try something with the creative ddts-100, however I cannot verify whether it would work or not, and I really don't want to drop $20 to see if it will work. Hopefully someone has tried the same thing or knows whether it can or cannot be done. This is what I am trying to do:
Take 3 sets of creative speakers, for example the creative inspire 2.1 2500. Now from a Dvd player ( not a computer drive, a home dvd player with an optical output ) connect the optical output to the DDTS-100 ( this can easily be done ). Now connect each set of creative speakers to one of the 3 outputs, one set for the L/R front, one set for the L/R rears and one set for the center channel ( I don't mind the center channel coming out both speakers ). The DDTS-100 works well with the gigaworks 5.1 set or 7.1 set, but I don't know if it can be done in the way I have posted above.
Any feedback would be welcome.
Thanks.

The_Experimentr,
I only see one problem with this setup. The Inspire 2.1 2500's use a crossover to divert the lower frequencies to the subwoofer. On a 5.1 system it has a separate line that is dedicated to the lower frequencies that plugs directly into the subwoofer. This will mean that only the subwoofer on the speakers plugged into the center/subwoofer line out will function properly; however only one of the speakers will operate as a center channel. This could lead to a lower subwoofer since the sub on the 2.1 systems was designed with only 2 satellite speakers in mind, not 5.1 It may be more preferable for you to purchase the Inspire P5800 speakers with a DDTS-100 decoder which was designed with movie playback in mind.
Here is the product page for the P5800's
http://us.creative.com/products/prod...5&product=0596
Jeremy

DDTS-100 alternative

Hi!
A have the Megaworls 550 and I need a decoder like the DDTS-100.
Some news about a new decoder like this ?
Thx

You might want to consider a low cost home theater receiver and connect the satellite speakers directly to the receiver. You'll probably have to make your own cable to use the line level output from the receiver's subwoofer channel to the Megaworks subwoofer. Just be careful not to overdrive those little speakers with the receiver. As an added benefit, you'll probably get much better sound quality as well.

DDTS-100 loud headphone hiss, but not from speaker out?

It would seem I've lucked out big time with the 550 & ddts-100 purcahse. I'm looking into what the supplier can do for me regards the 550 as Creative are as useless as ever.
However, last nite I noticed that both headphone jacks on the DDTS-100 decoder produce a very noticeable amount of hiss, but the speaker outputs on the back do NOT. The hiss is there will everything unplugged from the unit.
This is the exact situation as I have with the 550 in reverse - there is was perfect with headphone, but hiss on the speakers. With the decoder it's the speakers that are fine (if using something other than my 550's lol but headphones are hissy as.
What gives? Why is this, and more to the point, should it be like that? Can anyone else with a ddts-100 report in? My headphones are not cheap crap either, they're probably about US$250, and Senheisers.

Nah, there is no volume control on the headphones, and even speakers attached directly to the headphone jack get hiss. It's weird, the headphone jack outputs at a much lower line level (I need to set the DDTS-100 line level much higher) but yet there is more hiss. It must be coming from a seperate circuit than the speaker outs.
I'd really like to hear back from other people with DDTS-100s as to how their ones work - hiss or no hiss.
Thanks,
Josh

Windows MCE 2005 -- XBOX 360 -- optical -- DDTS-100 -- analogue -- MegaWorks THX 5.1

Dear Creative Forum,
Please look at the setup in my subject line.
Can anyone tell me if this will support playing of (5. encoded) WMA-files. I believe that all the decoding must be done by the DDTS-00, since the XBOX probably uses through put SPDIF, and I am in doubt if it decoder supports this.
Any smarter solution?
Thanks in advance.

I am from New Zealand, our output is pretty much a stable constant 230V. Dad is an electronics expert, he disagrees with a lower voltage - lowering the input voltage will only lower the output volume. So in effect this will make the hiss appear to go away, but in reality it's simply lowered to a point where it's nominal or below hearing. The total output volume is also lowered, so you need to turn the speakers up more to hear anything.
It fits with what others have said about repaired systems, that don't go as loud any more. This isn't the fix.
We tried putting some heavy capcitors accross the speakers to act as a sort of high pass filter but that didn't appear to have any effect, which surprised him (if it had worked it would have killed some of the treble range also as a side effect, so again not a perfect solution). So it needs to be something a little more involved - like a decent filter of somesort.
It's probably just a cheap chip on the amplifier. I'm trying to get the company to find a NEW pair from the suppliers that doesn't hiss, then doing an RMA. Otherwise I"m tempted to get a refund, since IMO they're just **bleep** sounding. I've never heard hiss like this before, no matter how cheap the system. My DDTS-100 decoder seems to have a hiss problem also.....

Upconvert Stereo to Five Channel with DDTS-100?

I'm using the DDTS-100 to share a speaker system between Windows Media Center and a Dolby Digital enabled high definition DirecTV DVR. I don't find any control that allows you to upconvert a standard two channel audio source to a five channel system. On Windows media players, this is a standard feature. In Windows Media Player they call this "SRS Wow". On the Creative Audigy setup they call this CMSS. This is probably the single most basic feature I would expect any Dolby decoder to offer, as a way to offer a cheap expansion of low quality sound sources, to at least fill all the speakers with some kind of sound balance.
Is there any way to get the DDTS-100 to expand a two channel source to five channel? I tried all of the modes for output, and none of them did this. Quite bizarrely, there is a mode that lets you upconvert a five channel system to six channel. How they could have remembered to implement something that esoteric but have forgotten to implement a two to five channel conversion (which would benefit about 95% of the potential market for the product) is strange.

It appears that the Neo:6 setting is working well on most two channel content to upconvert to five channels. But it just by bad luck happens that the content I was originally using (a Spanish language channel 429 on DirecTV) does *not* upconvert to five channel but remains on two channels. Would this indicate the source is mono rather than stereo? Will Neo:6 only upconvert two channels to five and have no effect at all on a mono source?

Creative inspire 5300 5.1 with DDTS-100

Hello i'musing these set of speakers for 2.6 years and now decide tobuy decoder DDTS-100 but there is a problem ca't connect them and creative labs are saying this decoder is compatible with all speakers from creative !!!
Any information how to connect will be wellcome many thanks
Filipe Valente

Just connect them using your speaker audio cable from the decoder audio outputs jack to the speaker system audio inputs jack. The decoder user guide should also cover some simple guide for connection too which you can refer to.
Jason

I-Trigue L3500 with DDTS-100

Can I combine DDTS-100 with speaker I-Trigue L3500?

Vvien,
The DDTS-100 speakers are meant for use with 5.1 / 6.1 / 7.1 speakers. If you're connecting from a soundcard, connecting analog speakers would offer no benefits. It is possible though, but you'll only be using one of the connections that is available to go to speakers, but it's set up to output sound for 5.1 speaker (or more).
Cat

Centre channel problem with DDTS-100

I have a set of Gigaworks s750 speakers connected to my PC, PS3 and Xbox 360 via the DDTS-100 decoder; up until yesterday this was all working fine. Having moved some of the gear around to accomodate my new desk, I plugged everything back in and found that the sound from the front centre channel is muffled and/or quieter than the other channels.
The speakers themselves don't seem to be the problem as the PC (which is connected via the switch box included with the decoder) sounds fine but the problem persists with both the PS3 and X360.
My first thought was that I'd pulled one of the cables loose while rearranging the furniture but I've re-plugged everything in several times since with no joy. I've also tried changing the spdif cables and switching the sockets around, as well as removing the switch box and plugging the speakers directly into the decoder but nothing made any difference.
Has anyone ever encountered anything like this before and/or could offer any suggestions?
Any advice would be much appreceated.

I finnaly found out my problem
The buzz came out from my coax cable from my DVD. My DVD player was probably inducing 60Hz on the coax output.
I switched to the optical output and no more buzz.
I'll need to buy a new toslink cable to plug my x-box on the optical input #2
Also I pluged my TV audio out in my st analog input, it also induced a 60 Hz on my DDTS-100. The decoder does not seem to filter out electric noises.
I'm pretty happy to have found out my problem but I'm very dispointed that the DDTS-100 does not filter any electric noises.
Mat

DDTS-100 low output

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