… nonetheless, I mention these mics’ plosive performance here because if you are considering buying one of these you might consider buying a pop filter too. 12–18dB/octave below 90–150Hz (depending on the frequency range of the voice). P-pops and other plosives can be removed from an audio track fairly seamlessly by applying a steep low-frequency rolloff, e.g.P-pops and other plosives can be prevented via mic position, speaking technique, and the use of external blast filters. I tend not to criticize microphones for plosive performance, for two reasons: I recorded to a 24-bit Pro Tools session (although the output of both mics was 16 bit).īoth microphones are sensitive to plosives at my working distance of ~4 inches. (I inverted one of the tracks prior to exporting the audio samples linked above.) Session 2: AT2100-USB vs AT2005USBįor this test, I plugged in both Audio-Technica dynamic USB mics via their included USB cables, and created an aggregate audio device that included both. The mic’s analog output appears to have the same polarity as my other mics, suggesting that the digital output is “out of phase.” Weirdly, the digital output has inverted polarity as compared to the analog output. I prefer recording to a laptop whose fan is suppressed, but my laptop was unavailable for this session.) Surprising anomaly – polarity inversion of digital output (The room noise is somewhat distracting, but is representative of recording with a desktop computer in a room with a hard floor. With an analog preamp (and external ADC/audio interface), this mic sounds even better the high-frequency hiss of the mic’s onboard 16-bit USB ADC goes away. The actual tone and response of the mic in USB mode is very impressive for the price. In short, the sound quality of the USB output is decent, and in my opinion the mic in USB mode would work well for podcasting or video voiceover (for screencasts and so on). Both tracks are picking up some room noise (my computer fan, mostly), but the USB track has additional hiss above 1kHz. My RTA shows about 5dB more noise above 5kHz, in the USB track. There is more noise in the USB track, as expected. The sound quality of these two tracks is very similar. Sound Samples: ATR2100, Analog vs DigitalĪTR2100, via analog output Listening Notes You can expect to hear a difference in the noise floor of these two channels. Note that the USB output is a 16-bit device, whereas the Blackjack is a 24-bit device. Then I used the Sound pref pane to set the USB input’s gain level so that both channels were peaking in the same place in Pro Tools. I put the Blackjack’s analog gain control at about 5:00, just shy of maxed out. The Blackjack’s 2 inputs showed up as the first two inputs, while the ATR2100 showed up in #3. In Pro Tools, I set the “Playback Engine” to this aggregate I/O virtual device. But I was able to aggregate my Mackie Onyx Blackjack (a USB mic pre) with the ATR2100. I couldn’t find a way to aggregate my Digi 002 Rack along with the ATR2100’s USB output. I did this via Pro Tools’ “Aggregate I/O” feature. My first task was to get both of the ATR2100-USB’s outputs to show up in Pro Tools simultaneously. Session 1: ATR2100 USB, Analog vs Digital Also we’ve compared the analog and digital outputs to see how well the onboard amplifier and ADC compares to outboard gear. So, we’ve tested these mics head-to-head, recording both simultaneously. Several readers asked for a direct comparison of these two mics, which differ in price despite sharing specs, capsules, and features. Both mics impressed me in our recent shootout of dynamic USB mics. The Audio-Technica ATR2100-USB and AT2005USB are inexpensive dynamic microphones with dual outputs, both analog (XLR) and digital (USB).
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