SignalScope and IOScope support sample rates up to 192 kHz

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Current versions of SignalScope (3.6.2), SignalScope Pro (2.6.2), and IOScope (2.5) include advanced audio configuration options that support user selection of the audio sample rate. Using built-in iPhone and iPad audio hardware, this typically means that sample rates as low as 8 kHz can be selected. Since the iPad additionally supports external USB audio devices, via the iPad Camera Connection Kit or the Lightning to USB adapter, sample rates as high as 192 kHz can be made available with the right hardware. Which sample rates can be selected depends on values supported by the connected audio hardware.

Typical sample rates for the built-in microphone or headset input of current iOS devices include:

  • 8 kHz
  • 11025 Hz
  • 12 kHz
  • 16 kHz
  • 22.05 kHz
  • 24 kHz
  • 32 kHz
  • 44.1 kHz
  • 48 kHz

It is possible to sample audio data at up to 192 kHz, with USB devices that support it, on iPad. One such device is the Echo 2 from Echo Digital Audio, which supports sample rates of:

  • 44.1 kHz
  • 48 kHz
  • 88.2 kHz
  • 96 kHz
  • 176.4 kHz
  • 192 kHz

SignalScope, SignalScope Pro, and IOScope are all available for download on the App Store.

Download SignalScope

Download SignalScope Pro

Download IOScope

The Echo 2 is available from B&H Photo Video and from Amazon.

SignalScope Pro 192 kHz Sampling