Alesis finally got around to making shields for securing an iPhone or iPod touch to the ProTrack stereo iPod recording device. -> read more …
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To add to the previously published results, we decided to measure the frequency response of the iPod Touch 3G. Electroacoustics Toolbox 2.1.7 was used with a MOTU UltraLite mk3 audio interface to measure the frequency response. These measurements include the response of the headset output as -> read more … There haven been a few requests regarding a recently released line input device called the Logitec LIC-iREC03P. To add to the frequency response measurements done previously, we decided to add this new device to the group. This measurement was made using an iPod Touch 2G. As before, the audio was routed through the phone -> read more … Today, a new video, Measuring Loudspeaker Impedance with IOScope, was published on this site, as well as on the Faber Acoustical YouTube channel. The video is both a demonstration of IOScope, as well as a simple tutorial on measuring loudspeaker impedance. Although the video is largely self-explanatory, I thought it would be beneficial to -> read more … With the advent of sound level meter apps for the iPhone OS (of which SoundMeter was the first) people began to ask, “How flat is the frequency response of the iPhone’s microphone?” Early testing indicated that the built-in microphone of the original iPhone was not a good candidate for sound level measurements, but that -> read more … Although I already listed some options for getting line-level audio into an iPhone or iPod touch, that list didn’t include much information that would suggest which option would be best. One important metric that people frequency ask about is frequency response. Well, I finally have some frequency response comparisons available to help answer that -> read more … People often ask about the frequency response of iPhone and iPod touch audio inputs. To shed some light on the issue, I made some frequency response measurements of the iPhone, iPhone 3G, iPhone 3GS, and iPod touch 2G with Electroacoustics Toolbox and an Edirol FA-101 audio interface. These measurements are broken into two groups, -> read more … One of the most obvious ways to get analog signals into an iPhone or 2nd generation iPod touch is through the headset connector. Several options exist for getting acoustic or electric signals into the headset input, which are discussed below. Any of these options will work with the iPhone, iPhone 3G, or iPod touch -> read more … Several options exist for getting audio signal into and out of iPhone OS devices via the dock connector. However, not all accessories are compatible with all iPhone OS devices. So, we put together this compatibility chart, based on our own tests with SignalScope/Pro and SignalSuite. Dock Audio Accessory Compatibility These devices were chosen for -> read more … Getting audio signals into and out of an iPhone OS device can sometimes be a bit tricky. The information presented below outlines the available means for getting audio signals into and out of each iPhone OS device. Available Input Routes … Available Output Routes … -> read more … |
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