README
¶
go-audio
Description
This is an application for recording and editing audio using the ffmpeg library. Additionally, it can convert text to audio in different languages.
CLI Options
| Flag | Default | Environment Variable | Description |
|---|---|---|---|
| --help, -h | show help | ||
| --debug | false | OPEN_AUDIO_DEBUG | Debug mode |
| -p, --play | false | OPEN_AUDIO_PLAY | play audio file in default player |
| -e, --encode | false | OPEN_AUDIO_ENCODE | encode audio file with custom codec, bitrate and format |
| -t, --tts | false | OPEN_AUDIO_TTS | Option to generate text to speech |
| --record | false | OPEN_AUDIO_RECORD | record audio from microphone or board |
| -o, --output | audio | OPEN_AUDIO_OUTPUT | output file directory |
| -d, --duration | 5 | OPEN_AUDIO_DURATION | duration of recording in seconds |
| -r, --sample-rate | 44100 | OPEN_AUDIO_SAMPLE_RATE | sample rate to use for recording audio |
| -c, --channels | 2 | OPEN_AUDIO_CHANNELS | number of channels to use for recording audio |
| --device | microphone | OPEN_AUDIO_DEVICE | device to record from, available devices: microphone, board |
| -f, --frames-per-buffer | 64 | OPEN_AUDIO_FRAMES_PER_BUFFER | frames per buffer for recording audio |
| -s, --sentence | Hello! | OPEN_AUDIO_SENTENCE | input text to encode to speech |
| -l, --language | en | OPEN_AUDIO_LANGUAGE | language to use for text to speech, available languages: en, es, pt, fr, it, ru, de |
| -i, --input-file | OPEN_AUDIO_INPUT_FILE | input file to encode | |
| --log_format | txt | OPEN_AUDIO_LOG_FORMAT | log format, available formats: txt, json |
| --codec | pcm_s16le | OPEN_AUDIO_CODEC | codec to use for audio file, example codecs: pcm_s16le, pcm_s24le |
| --bitrate | 128k | OPEN_AUDIO_BITRATE | bitrate to use for audio file, example bitrates: 128k, 256k, 512k |
| --format | wav | OPEN_AUDIO_FORMAT | format to use for audio file, example formats: wav, mp3, ogg |
| --file-name | recording | OPEN_AUDIO_FILE_NAME | file name to use for audio file |
Requirements
sudo apt install portaudio19-dev
brew install ffmpeg # macOS
sudo apt-get install ffmpeg # Linux
go mod tidy
Run
go run cmd/main.go
Build
make build
Examples
./build/go_audio -t -p -l "en" -s "How are you?"
./build/go_audio -t -p -l "es" -s "¿En que puedo ayudarte?"
./build/go_audio -t -p -l "pt" -s "Muito longe, no entanto, que a estrada é muito longa."
./build/go_audio -t -p --format "mp3" --codec "libmp3lame" -i "audio/file_name_to_mp3.wav" -e
Test
make test
Directories
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