Download a section of an audio file from an online database
1. Find a section of an audio file that you may be interested in
http://bnc.phon.ox.ac.uk/data/021A-C0897X098600XX-0100P0-2nd-0200P0.wav?t=312.4825,313.2025
2. Download it
saved as
glass.wav
(extract from
glass_sentence.wav
)
Raw (headerless) data saved as
glass.raw
3. Inspect the spectrum and spectrogram of glass.wav using e.g. wavesurfer or Praat
4. Note the start and end sample numbers of the [a:] vowel
(roughly 0.174 s to 0.464 s = sample numbers 2784 to 7424, centred on sample 5104)