Picovoice Platform
Go Quick Start

Platforms

• Linux (x86_64)
• macOS (x86_64, arm64)
• Windows (x86_64)
• Raspberry Pi (3, 4, 5)

Requirements

• Picovoice Account & AccessKey
• Go 1.16+
• Windows only: a gcc compiler like Mingw in $PATH

Picovoice Account & AccessKey

Signup or Login to Picovoice Console to get your AccessKey. Make sure to keep your AccessKey secret.

Quick Start

Setup

1. Download and install Go language.

2. Install the Picovoice Go Package using the Go CLI:

go get github.com/Picovoice/picovoice/sdk/go/v2

Usage

Create an instance of Picovoice using a Porcupine keyword file (.ppn), and a Rhino context file (.rhn):

. "github.com/Picovoice/picovoice/sdk/go/v2"
. "github.com/Picovoice/rhino/binding/go/v2"

wakeWordCallback := func(){
    // wake word detected
}

inferenceCallback := func(inference RhinoInference){
    if inference.IsUnderstood {
            intent := inference.Intent
            slots := inference.Slots
        // take action based on inferred intent and slot values
    } else {
        // handle unsupported commands
    }
}

picovoice := NewPicovoice(
    "${ACCESS_KEY}",
    "${KEYWORD_FILE_PATH}",
    wakeWordCallback,
    "${CONTEXT_FILE_PATH}",
    inferenceCallback)
err := picovoice.Init()

Pass in frames of audio to the .Process function:

func getNextAudioFrame() []int16 {
   // ..
}

for {
   audioFrame := getNextAudioFrame()
   err := picovoice.Process(audio_frame)
}

Release resources explicitly when done with Picovoice:

picovoice.Delete()

Custom Wake Words & Contexts

Create custom wake word and context files using the Picovoice Console. Download the custom models (.ppn and .rhn) and pass them into the NewPicovoice constructor.

Non-English Languages

Use the corresponding model file (.pv) to process non-English wake words and contexts. The model files for all supported languages are available on the Porcupine GitHub repository and the Rhino GitHub repository.

Pass in model files using the PorcupineModelPath and the RhinoModelPath parameters to change the language:

picovoice := NewPicovoice(
    "${ACCESS_KEY}",
    "${KEYWORD_FILE_PATH}",
    wakeWordCallback,
    "${CONTEXT_FILE_PATH}",
    inferenceCallback)
picovoice.PorcupineModelPath = "${PORCUPINE_MODEL_FILE_PATH}"
picovoice.RhinoModelPath = "${RHINO_MODEL_FILE_PATH}"
err := picovoice.Init()

Demo

For the Picovoice Go SDK, we offer demo applications that demonstrate how to use the Picovoice Platform on real-time audio streams (i.e. microphone input) and audio files.

Setup

Clone the Picovoice GitHub Repository:

git clone --recurse-submodules https://github.com/Picovoice/picovoice.git

Usage

Use the -h flag to see the usage options for the demo:

cd picovoice/demo/go
go run micdemo/picovoice_mic_demo.go -h

Ensure you have a working microphone connected to your system and run the following command to make inferences based on the given keyword and context files:

go run micdemo/rhino_mic_demo.go -access_key "${ACCESS_KEY}" \
-keyword_path "${KEYWORD_FILE_PATH}" \
-context_path "${CONTEXT_FILE_PATH}"

For more information on our Picovoice demos for Go, head over to our GitHub repository.

Resources