README: update Usage & title

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Matteo Cypriani 2016-12-08 21:24:05 -05:00
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NRGrip - extract audio track and cue sheet from an NRG audio CD image NRGrip - extract audio data and cue sheet from an NRG audio CD image
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This program works on a Nero Burning ROM's NRG image of an audio CD and is able This program works on a Nero Burning ROM's NRG image of an audio CD and is able
to: to:
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Usage Usage
----- -----
At the moment, NRGrip doesn't take any options, you just invoke it with the name To see the full usage, run:
of an NRG image:
nrgrip image.nrg nrgrip --help
Basically, you can display the metadata and extract the data with:
nrgrip -ix image.nrg
The cue sheet will be extracted as `image.cue`, and the audio data as The cue sheet will be extracted as `image.cue`, and the audio data as
`image.raw`. `image.raw`.
To play the extracted raw audio data, you may use `aplay`, from the ALSA utils The raw audio data from a CD is 16 bit, little endian, 44100 Hz, stereo. To
(you can also do that directly on the NRG file): play it, you may use, for instance, `aplay` from the ALSA utils, or `ffplay`
from `FFmpeg`:
aplay -f cd image.raw aplay -f cd image.raw
ffplay -f s16le -ac 2 image.raw
Note that you can also play the NRG file directly, if the sector size is 2352
(no sub-channel).
To encode the raw audio data to FLAC (and embed the cue sheet in it): To encode the raw audio data to FLAC (and embed the cue sheet in it):