func ReadSamples(dir string) (sgd.SampleSet, error) {
index, err := speechdata.LoadIndex(dir)
if err != nil {
return nil, err
}
var samples sgd.SliceSampleSet
for _, sample := range index.Samples {
if sample.File == "" {
continue
}
label := cubewhisper.LabelsForMoveString(sample.Label)
wavPath := filepath.Join(index.DirPath, sample.File)
sampleSeq, err := cubewhisper.ReadAudioFile(wavPath)
if err != nil {
return nil, err
}
intLabel := make([]int, len(label))
for i, x := range label {
intLabel[i] = int(x)
}
samples = append(samples, ctc.Sample{Input: sampleSeq, Label: intLabel})
}
return samples, nil
}
func main() {
if len(os.Args) != 3 {
fmt.Fprintln(os.Stderr, "Usage: rate <rnn> <sample dir>")
os.Exit(1)
}
rnnData, err := ioutil.ReadFile(os.Args[1])
if err != nil {
die("Read RNN", err)
}
seqFunc, err := rnn.DeserializeBidirectional(rnnData)
if err != nil {
die("Deserialize RNN", err)
}
index, err := speechdata.LoadIndex(os.Args[2])
if err != nil {
die("Load speech index", err)
}
log.Println("Crunching numbers...")
var res results
for _, sample := range index.Samples {
if sample.File == "" {
continue
}
label := cubewhisper.LabelsForMoveString(sample.Label)
wavPath := filepath.Join(index.DirPath, sample.File)
sampleSeq, err := cubewhisper.ReadAudioFile(wavPath)
if err != nil {
die("Load sample audio", err)
}
intLabel := make([]int, len(label))
for i, x := range label {
intLabel[i] = int(x)
}
output := evalSample(seqFunc, sampleSeq)
likelihood := ctc.LogLikelihood(output, intLabel).Output()[0]
res.Likelihoods = append(res.Likelihoods, likelihood)
res.SampleIDs = append(res.SampleIDs, sample.ID)
}
sort.Sort(&res)
for i, id := range res.SampleIDs {
likelihood := res.Likelihoods[i]
fmt.Printf("%d. %s - %e\n", i, id, likelihood)
}
}