audio

Documentation

Index

• Constants
• func CompressAudio(encoder *opus.Encoder, raw []float32) []byte
• func DecompressAudio(decoder *opus.Decoder, data []byte) ([]float32, error)
• func NewDecoder() *opus.Decoder
• func NewEncoder() *opus.Encoder

Constants

const (
	//FrameSize is the preset frame size for each audio data
	FrameSize = 1920
	//SampleRate is the preset sample rate for each audio data
	SampleRate = 48000

	//FrameDuration is the duration of audio data in each frame
	FrameDuration = time.Second * FrameSize / SampleRate
)

Functions

func CompressAudio

func CompressAudio(encoder *opus.Encoder, raw []float32) []byte

CompressAudio uses opus codec to compress raw MONO audio data

func DecompressAudio

func DecompressAudio(decoder *opus.Decoder, data []byte) ([]float32, error)

DecompressAudio uses opus codec to decompress opus data to raw MONO audio data

func NewDecoder

func NewDecoder() *opus.Decoder

NewDecoder creates a new Opus decoder

func NewEncoder

func NewEncoder() *opus.Encoder

NewEncoder creates a new Opus encoder