vad

package
v0.55.3 Latest Latest
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 Go to latest Published: Dec 1, 2023 License: MIT Imports: 7 Imported by: 0

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Index

Constants

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const (
	// Mode vad mode，VAD 的模式 0-3
	Mode = 3
	// FrameDuration frame duration，分析的时间窗口
	FrameDuration = 10
)

Variables

This section is empty.

Functions

func GetAudioIndex2Time 

func GetAudioIndex2Time(index int) float64

GetAudioIndex2Time 从 Audio 的 OffsetIndex 推算出它所在的时间，返回 float64 的秒

func GetFloatSlice 

func GetFloatSlice(inVADs []VADInfo, skipFrontAndEndPerBase float64) []float64

GetFloatSlice 返回 1 -1 归一化的数组

Types

type AudioInfo 

type AudioInfo struct {
	FileFullPath string
	SampleRate   int
	BitDepth     int
}

type VADInfo 

type VADInfo struct {
	Frame  int           // 第几帧
	Offset int           // 音频的偏移
	Active bool          // 当前帧（时间窗口）是否检测到语音
	Time   time.Duration // 时间点
}

func GetVADInfoFromAudio 

func GetVADInfoFromAudio(audioInfo AudioInfo, insert bool) ([]VADInfo, error)

GetVADInfoFromAudio 分析音频文件，得到 VAD 分析信息，看样子是不支持并发的，只能单线程使用 无需使用插值的函数

func NewVADInfo 

func NewVADInfo(frame, offset int, active bool, nowTime time.Duration) *VADInfo

func NewVADInfoBase 

func NewVADInfoBase(active bool, nowTime time.Duration) *VADInfo

Source Files

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