NewChunk2File creates a new Chunk2File after first checking that the ffmpeg command exists.

NewChunker creates a new Chunker after first checking that the ffmpeg command exists.

NewChunkExtractor creates a new ChunkExtractor after first checking that the ffmpeg command exists.

NewDefaultChunker creates a new Chunker after first checking that the ffmpeg command exists.

extend all chunks by N ms before and after (N*2 ms in total).

Chunk2File extracts time chunks from an audio file, creating a subset of files containing "phrases" from the file.

Chunker is used to split audio files on silence, creating a subset of "phrases" from the file.

ChunkExtractor extracts time chunks from an audio file, creating a subset of "phrases" from the file.