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  1. Calibration of my sound card Tascam US-2x2

    SPL Meters | Mic's | Calibration | Sound Cards
    Hello, I'm new REW user and want to use a Tascam US-2x2 sound card (connected to my MacBook pro via USB). I need some advice/confirmation regarding cables... -Loopback cable in order to calibrate the sound card: what I understand is that I have to connect the IN 1 to the LINE OUT 1 (or LINE...
  2. Calibrating sound card manually by measuring voltage

    REW Forum
    Hello, I just finished building a pair of speakers and I wanted to take a look at the spl spectrum. I installed REW, got a USB-mic with calibration file and started measuring. When measuring the speakers, I noticed a dip at 500Hz, 4000Hz and around 13-14 kHz. I measured different other speakers...
  3. Loopback for Sound card cal.

    REW Forum
    My new laptop has only one 1/8" port for connecting a headset with a mic. I am trying to find a way to perform the sound card calibration but I haven't found a way to make a loopback cable. I have tried making my own by taking an old 1/8" plug and shorting one of the output wires to the mic...
  4. REW or Sound Card Output Problem

    SPL Meters | Mic's | Calibration | Sound Cards
    I'm just getting started but can't get past this problem. I've got a drop out/notch at 90 Hz. This was a nearfield mic placement, two different audio systems. It's not the receiver or speaker because I duplicated this with a a different powered speaker connected directly to the laptop. I'm...
  5. Ugh! Graphics card issues

    Computers | HTPC | Media Servers
    So I upgraded a graphics card in my kids computer (Dell Dimesion E521) so it's about 8 years old. I know the PCIe video slot is older but should have no issues at least displaying an HD resolution as the old card did. I bought an ASUS Radeon R7 250 so they can play the newer Sims4 however after...
  6. Newb.. Do I need to calibrate for my sound card and my mic?

    SPL Meters | Mic's | Calibration | Sound Cards
    I have recently purchased miniDSP UMIK from the recommendation here, and have been using REW to help tune my modest production studio (mostly mixing / mastering). I've downloaded the calibration file for my mic and successfully loaded it. However, I'm a little confused about whether I need to...
  7. Saffire sound card question

    REW Forum
    Hi, I need help figuring out how to make a loopback from my Focusrite Saffire 24 pro in REW MAC OSX. My main concern is that the sound card is firewire and not USB which I read is not possible with a JAVA driver conflict. Does it work or do I need another sound card?
  8. Recommendation for a USB external sound card with hdmi out

    REW Forum
    I wanted to use REW to do some RTA in my room. My laptop had a hdmi out but the on board sound ship inly supports 2 channel out. There is no setting to switch the inboard sound into a 7.1 mode. Anyone have good recommendations on and external card with and hdmi out?
  9. USB audio interface (sound card) comparison: M-Audio, PreSonus and Steinberg

    REW Forum
    I was looking for a USB sound card (aka audio interface) that had decent THD measurements for low frequencies. The Steinberg UR22mkII seem to beat the competition when I tested it in REW against the other interfaces listed below. I chose the three I tested because they were all locally...
  10. Need PCI Card with 110ohm AES/XLR

    Computers | HTPC | Media Servers
    For a PC base media serve/transport - any of you guys manage to find any PCI type card with AES/XLR 110ohms out (not the pro version where there are lots of out/in + xpensive) ?? USB out can make use of either SoTM or PPA S/PDIF - think ASUS got a PCI card with both 75ohms RCA and/or Toslink
  11. cal file, mistakenly used USB cal file in sound card setting.

    REW Forum
    Sirs I'm using REW to understand reverberation time in our church sanctuary and another large room. Not trying to EQ the system. I mistakenly placed the UMIK-1 USB calibration file in the sound card calibration file option box before measuring 12 sweeps. A warning came up to let me know I was...
  12. Sound card calibration: stupid question

    REW Forum
    In reading about sound card calibration I see that we're supposed to loop the output to the input. The question is, is REW calibrating the INPUT or the OUTPUT? Furthermore, how can it possibly calibrate either based on this setup? If the output is garbage then there's no way to use that signal...
  13. REW with USB 7.1 external sound card - not working

    REW Forum
    Hi everybody - my first post and I am looking for help. I decided to jump into room mesurement with the aim to do room treatment and some signal correction through miniDSP. I downloaded REW on my old laptop to discover that it is not 5.1 or 7.1 capable. OK, I bought an external sound card...
  14. Sound card will not calibrate

    REW Forum
    Good afternoon, Having downloaded the latest version last night I cannot get the sound card to calibrate. I've read the help file and checked threads and made the following adjustments: sample rate to 44hz increased the buffer to 128 made sure the levels are within 4db but as soon as I click...
  15. Newbie needs cheapo sound card

    REW Forum
    I tried using REW without a sound card on both MAC and PC. Going straight into the 2.5 mm/headphone connectors. Not sure it's working correctly. The measurements are fairly smooth up to about 800hz and then it gets wildly choppy. Wanting to measure a 2 channel system. I have a Radio Shack...
  16. Analogue output to sound card

    REW Forum
    Hi All, I have an SPL meter which according to the specs have two analogue outputs according to spec below. Would any of these be suitable for plugging in to an external USB sound card? That I then can use with REW... AC: 0.707Vrms full scale; Output impedance: around 600Ω DC: 2Vrms full...
  17. Native 4K passthrough graphics card?

    Computers | HTPC | Media Servers
    Anyone know if there is already 4k pass-through graphic cards for PC available on the market? And, any word on a manufacturer for 4k Blu-Ray drives (PC)?
  18. Question regarding sound card calibration

    REW Forum
    Hi! I'm a first time user of REW, and I have a question where I don't really get the documentation: When calibrating sound card, what is actually measured? Frequency, latency, absolute level? The reason for my question is that with the equipment I have at hand, with a Behringer ECM8000...
  19. Usb Sound Card

    Two Channel Audio
    Hi guys, does anyone owns some portable USB sound card? I'm thinking of buying one and thought of creative's sound blaster play 2 (for $20 not sure if they are worth it). Apprettiate your comments Zef
  20. Is my sound card to bad to use with REW?

    REW Forum
    This is the image of my soundcard. Is it ok or should I get an external one? Thank you. http://s1224.photobucket.com/user/camlt74/media/Soundcardcurve_zps107c647f.jpg.html?sort=3&o=0
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