ok

snowboy-2022/go.mod

@@ -0,0 +1,13 @@
+module snowboy
+
+go 1.19
+
+require (
+	github.com/brentnd/go-snowboy v0.0.0-20190301212623-e19133c572af
+	github.com/gordonklaus/portaudio v0.0.0-20221027163845-7c3b689db3cc
+)
+
+require (
+	github.com/Kitt-AI/snowboy v1.3.0 // indirect
+	github.com/stretchr/testify v1.8.1 // indirect
+)

snowboy-2022/go.sum

@@ -0,0 +1,22 @@
+github.com/Kitt-AI/snowboy v1.3.0 h1:PjBVN84M/9tAzDBQXILAKMoJMxt/fT0nhJ1rhKtVRUc=
+github.com/Kitt-AI/snowboy v1.3.0/go.mod h1:sDzzMXFQ1wFkXkZaX/ant0xJsizGVq/9hyKb7ZB3cNI=
+github.com/brentnd/go-snowboy v0.0.0-20190301212623-e19133c572af h1:ijY5OHNQs3CdzTN2XT+zByIsR1QVyXTvOUSkQcBm6pw=
+github.com/brentnd/go-snowboy v0.0.0-20190301212623-e19133c572af/go.mod h1:XcT4k8Tn9hrM5SLVvu5hNQbAC6GojXM0MXz1Rt8CL68=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gordonklaus/portaudio v0.0.0-20221027163845-7c3b689db3cc h1:yYLpN7bJxKYILKnk20oczGQOQd2h3/7z7/cxdD9Se/I=
+github.com/gordonklaus/portaudio v0.0.0-20221027163845-7c3b689db3cc/go.mod h1:WY8R6YKlI2ZI3UyzFk7P6yGSuS+hFwNtEzrexRyD7Es=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

snowboy-2022/main.go

@@ -0,0 +1,110 @@
+// This example streams the microphone thru Snowboy to listen for the hotword,
+// by using the PortAudio interface.
+//
+// HOW TO USE:
+// 	go run examples/Go/listen/main.go [path to snowboy resource file] [path to snowboy hotword file]
+//
+package main
+
+import (
+	"bytes"
+	"encoding/binary"
+	"flag"
+	"fmt"
+	"time"
+
+	"github.com/brentnd/go-snowboy"
+	"github.com/gordonklaus/portaudio"
+)
+
+// Sound represents a sound stream implementing the io.Reader interface
+// that provides the microphone data.
+type Sound struct {
+	stream *portaudio.Stream
+	data   []int16
+}
+
+// Init initializes the Sound's PortAudio stream.
+func (s *Sound) Init() {
+	inputChannels := 1
+	outputChannels := 0
+	sampleRate := 16000
+	s.data = make([]int16, 1024)
+
+	// initialize the audio recording interface
+	err := portaudio.Initialize()
+	if err != nil {
+		fmt.Errorf("Error initialize audio interface: %s", err)
+		return
+	}
+
+	// open the sound input stream for the microphone
+	stream, err := portaudio.OpenDefaultStream(inputChannels, outputChannels, float64(sampleRate), len(s.data), s.data)
+	if err != nil {
+		fmt.Errorf("Error open default audio stream: %s", err)
+		return
+	}
+
+	err = stream.Start()
+	if err != nil {
+		fmt.Errorf("Error on stream start: %s", err)
+		return
+	}
+
+	s.stream = stream
+}
+
+// Close closes down the Sound's PortAudio connection.
+func (s *Sound) Close() {
+	s.stream.Close()
+	portaudio.Terminate()
+}
+
+// Read is the Sound's implementation of the io.Reader interface.
+func (s *Sound) Read(p []byte) (int, error) {
+	s.stream.Read()
+
+	buf := &bytes.Buffer{}
+	for _, v := range s.data {
+		binary.Write(buf, binary.LittleEndian, v)
+	}
+
+	copy(p, buf.Bytes())
+	return len(p), nil
+}
+
+func main() {
+	resources := flag.String("resources", "", "path to the .res file")
+	model := flag.String("model", "", "path to the .?mdl file")
+	sensitivity := flag.Float64("sensitivity", 0.75, "0..1")
+	flag.Parse()
+
+	if *resources == "" || *model == "" {
+		panic("all flags must be set")
+	}
+
+	// open the mic
+	mic := &Sound{}
+	mic.Init()
+	defer mic.Close()
+
+	// open the snowboy detector
+	d := snowboy.NewDetector(*resources)
+	defer d.Close()
+
+	// set the handlers
+	d.HandleFunc(snowboy.NewHotword(*model, float32(*sensitivity)), func(string) {
+		fmt.Println(time.Now(), "GOTCHA!")
+	})
+
+	d.HandleSilenceFunc(1*time.Second, func(string) {
+		fmt.Println("...")
+	})
+
+	// display the detector's expected audio format
+	sr, nc, bd := d.AudioFormat()
+	fmt.Printf("sample rate=%d, num channels=%d, bit depth=%d\n", sr, nc, bd)
+
+	// start detecting using the microphone
+	d.ReadAndDetect(mic)
+}