Faber Acoustical Blog » frequency response

iPhone 4 Audio and Frequency Response Limitations

ben — Wed, 23 Jun 2010 22:38:11 +0000

Now that I have my hands on the new iPhone, I thought I would go ahead and report on the state of audio I/O on the new -> read more ...

iPad Audio Input Options

ben — Wed, 02 Jun 2010 20:13:15 +0000

It turns out that in some ways, getting audio signals into the iPad is similar to getting audio signals into the iPhone 3GS, and in some ways it's -> read more ...

iPod Touch 3G Headset IO Frequency Response

cole — Wed, 03 Feb 2010 09:41:35 +0000

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 well as the -> read more ...

iPhone Microphone Frequency Response Comparison

ben — Thu, 25 Jun 2009 15:58:50 +0000

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 the -> read more ...

iPhone Line Input Frequency Response Comparison

ben — Wed, 24 Jun 2009 20:03:57 +0000

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 question.

These -> read more ...

iPhone Dock and Headset IO Frequency Response

ben — Fri, 19 Jun 2009 23:30:20 +0000

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, one -> read more ...