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snsr-eval

This tool evaluates / runs TrulyNatural SDK snsr model files. It supports all task types, except wake word enrollment which is handled by spot-enroll and live-enroll.

snsr-eval.c

Usage

Evaluates/runs TrulyNatural SDK .snsr model files.

usage: snsr-eval -t task [options] [wavefile ...]
 options:
  -a                  : Add tpl-vad-lvcsr to LVCSR and STT models
  -d directory        : VAD audio output directory
  -f setting filename : load filename into task setting
  -g setting value    : load string into task setting
  -l [-l [-l]]        : reduce verbosity
  -o out              : VAD audio output filename
  -p [-p]             : Enable pipeline profiling (experimental)
  -q setting          : query a task setting
  -s setting=value    : override a task setting
  -t task             : specify task filename (required)
  -u filename         : remove unused settings and save model to filename
  -v [-v [-v]]        : increase verbosity

Use a filename of - to read headerless linear 16-bit PCM little-endian
audio from stdin. If you don't specify any wave files, snsr-eval uses
live audio captured from the default audio device.

The -d and -o options are mutually exclusive. The output directory
must be writable. Audio files created by VAD segmentation are named
  <directory>/<start-time-in-ms>.wav

Settings are strings used as keys to query or change task behavior.
Most frequently used are operating-point for wake words and command sets,
leading-silence and trailing-silence for VAD templates,
partial-result-interval for LVCSR and STT, and stt-profile for STT models.
Refer to the TrulyNatural SDK documentation for a complete list and
descriptions of all supported settings.

Examples

Fixed-phrase.

% snsr-eval -t ./model/spot-hbg-enUS-1.4.0-m.snsr hbg_2.wav hbg_7.wav
  1200   1905 hello blue genie
  3855   4575 hello blue genie

Fixed-phrase on default audio capture device.

% snsr-eval -v -t ./model/spot-hbg-enUS-1.4.0-m.snsr.snsr
Using live audio from default capture device. ^C to stop.
  3180   3885 (1.00 sv) hello blue genie
  9000   9720 (1.00 sv) hello blue genie
^C

Enrolled user-defined phrase.

% snsr-eval -v -t ./three-users.snsr -s sv-threshold=0\
    ./data/enrollments/armadillo-1-4-c.wav ./data/enrollments/armadillo-6-0.wav\
    ./data/enrollments/terminator-2-5.wav ./data/enrollments/jackalope-1-4-c.wav
   435    990 (0.89 sv) armadillo-1
  5940   6630 (0.99 sv) terminator-2
  8100   8610 (0.32 sv) jackalope-1

Lower the speaker-verification threshold.

% snsr-eval -v -t ./three-users.snsr -s sv-threshold=0\
    ./data/enrollments/jackalope-1-5.wav ./data/enrollments/jackalope-1-5-c.wav
   270    840 (0.56 sv) jackalope-1
  2130   2610 (0.33 sv) jackalope-1