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Audio latency measurement tool

imperialreign

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I just ran across this a little bit ago:

http://www.centrance.com/downloads/ltu/


really simple program to use, you select your audio ASIO driver, select the number of audio samples, the sampling rate and input levels, then this utility measures the latency of your audio hardware from input to output . . . they claim accuracy within .5ms

here's how the interface looks:





just thought I'd mention it as it's the first piece of software the "benches" the audio system latency without the need for cable hookups, external hardware, or secondary audio cards.

note, though, that just like some of our favorite graphics benchmarks, the overall system latency will be heavily dependant on not only your audio hardware, but your entire system as well.
 
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hmmmm... doesnt' work for me
 

imperialreign

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:slap: = myself . . .


just looked at the 'help' button, which lists the instructions . . . you're supposed to hook up a cable from the output jack to the input jack. Not that hard to do. See what I get for not reading the instructions! :p

(and I thought it rather wierd at first for any software to be able to measure roundtrip without a cable . . . )
 
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lol i just figured that out myself, too bad i don't have one of those cables
 

imperialreign

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lol i just figured that out myself, too bad i don't have one of those cables

I've got a 1' shielded male-male mini-jack cable here, just ATM not in the mood to clamber under my desk and unhook my 5.1 setup just to test something.

maybe tomorrow . . . :ohwell:



but damn, I can think of about 10 audio cards I wish I had laying around to pit against each other to see which ones truly do process faster . . . :p
 

btarunr

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I'll test it tonight.

An Elite Pro, XG, etc could own this test.
 

imperialreign

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I'll test it tonight.

An Elite Pro, XG, etc could own this test.


kinda my thinkin' as well :p


I just wish I had a Xonar, HT, Barracuda or something to throw into the pit with it so I could have some hard, concrete proof of the CA201K's pwning-ability.
 

btarunr

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ASIO recording is more into the E-Mu, M-Audio (high-end) domain, more of a professional-sound card thing. I'm not sure if many C-Media derieved cards feature it, though Xonar does.
 

imperialreign

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Motherboard ASUS P5E3 Deluxe/WiFi; X38 NSB, ICH9R SSB
Cooling Delta V3 block, XPSC res, 120x3 rad, ST 1/2" pump - 10 fans, SYSTRIN HDD cooler, Antec HDD cooler
Memory Dual channel 8GB OCZ Platinum DDR3 @ 1800MHz @ 7-7-7-20 1T
Video Card(s) Quadfire: (2) Sapphire HD5970
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Display(s) Samsung Syncmaster T240 24" (16:10)
Case Cooler Master Stacker 830
Audio Device(s) Creative X-Fi Titanium Fatal1ty Pro PCI-E x1
Power Supply Kingwin Mach1 1200W modular
Software Windows XP Home SP3; Vista Ultimate x64 SP2
Benchmark Scores 3m06: 20270 here: http://hwbot.org/user.do?userId=12313
ASIO recording is more into the E-Mu, M-Audio (high-end) domain, more of a professional-sound card thing. I'm not sure if many C-Media derieved cards feature it, though Xonar does.

I agree it's more of a professional audio creation thing . . . but with the major push over the last few years for high fidelity audio cards, I'd be shocked if the big competitor cards (Omega, Barracuda, X-Meridian/X-Fi Prelude, Fatal1ty, etc.) didn't support it.
 
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