Audiotec Fischer AMI – audio measurement interface for DSP PC-Tool
The AMI (Audio Measurement Interface) is a compact, USB-powered interface for measuring electrical and acoustic signals. It connects a measurement microphone or a signal source to the computer and is built to work with the Audiotec Fischer DSP PC-Tool software for signal analysis and system tuning.
With DSP PC-Tool, the AMI enables the AISA analyser, which detects and corrects factory allpass filters, time alignment and EQ present on the DSP inputs, RTA frequency response measurement with automatic EQ via TuneEQ, and ATM automatic speaker delay calibration.
Key Features
- Microphone input: for condenser microphones, with adjustable gain and 24 V phantom power
- Line input: selectable sensitivity of 1 V or 40 V maximum for low- and high-level signals
- Outputs: stereo RCA plus optical S/PDIF for playback into a DSP
- Loopback: for phase response and signal path measurements
- DSP PC-Tool functions: AISA, RTA with TuneEQ and ATM automatic time measurement
- USB powered: max. 250 mA, 96 kHz / 32-bit
- Platform support: Windows 10/11, macOS, Android and iOS; ASIO drivers supported
- Tuning tracks: 16 GB USB 3.0 flash drive with DSP tuning tracks included
Compatibility
- DSP PC-Tool 4
- DSP PC-Tool 5
- DSP PC-Tool 6
Technical Specifications
| Inputs | 1 x Microphone input 1 x Line input |
| Microphone input specification | |
| Frequency response | 12 Hz – 44 kHz (+/-1 dB) |
| Dynamic range | 95 dB (A-weighted) |
| Input sensitivity | 5 – 200 mV |
| Phantom power | Yes (24 Volts) |
| Line input specification | |
| Frequency response | 8 Hz – 44 kHz (+/-1 dB) |
| Dynamic range | 101 dB (A-weighted) |
| Input sensitivity | max. 1 V / max. 40 V |
| Input impedance | 10 kOhms |
| Outputs | 2 x Line output 1 x Optical output (SPDIF) |
| Line output specification | |
| Frequency response | 7 Hz – 44 kHz (+/-1 dB) |
| Dynamic range | 100 dB (A-weighted) |
| Maximum output voltage | 900 mV (RMS) |
| Minimum load | 5 kOhms |
| Loopback function | Yes |
| General specification | |
| Audio sampling rate | 96 kHz / 32 Bit |
| USB power consumption | max. 250 mA |
| Supported operating systems | Windows, macOS, iOS and Android |
Scope of Delivery
1 x AMI (Audio Measurement Interface)
1 x 3.0 m / 9.85’ USB-C to USB-C cable with USB-A adaptor
1 x RCA-to-Highlevel adaptor
1 x 16 GB USB 3.0 flash drive with DSP tuning tracks
