audioinfo
Gets information about the given audio file using functions defined in the Audio library.
Syntax
R = audio(filename)
Inputs
- filename
- Audio file name. Currently, only .wav format files are supported.
Outputs
- R
- Struct containing information about the given audio file
filename. R contains the
following fields:
- Album:
- Name of the album, if available.
- Artist:
- Name of the artist, if available.
- AudioFormat:
- Audio format type. Values can be 1-PCM, 3-IEEE float, etc.
- BitRate:
- Number of bits per sample.
- ByteRate:
- Bytes per second.
- Comments:
- Comments in the audio file, if available.
- CompressionMethod:
- Method of compression based on the audio format.
- Copyright:
- Copyright information if available.
- CreationDate:
- Date when the audio file was created, if available.
- Duration:
- Duration of the audio in seconds.
- Filename:
- Full path of the audio file filename.
- Filesize:
- Size of the audio file filename in bytes.
- Genre:
- Genre of the content, if available.
- Keywords:
- Keywords for the audio file filename, if available.
- NumChannels:
- Number of channels in the audio file filename. A value of 1 indicates mono and a value of 2 indicates stereo.
- SampleFrameSize:
- Sample frame size.
- SampleRate:
- Samples(blocks) per second
- Software:
- Software used to create the audio file, if available.
- Source:
- Source that supplied the original name of the audio file, if available.
- Subject:
- Subject, if available.
- Title:
- Title of the audio track.
- TotalSamples:
- Total number of samples in the audio file filename.
- TrackNumber:
- Track number, if available.
Example
R = audioinfo('audio2.wav')
R = struct [
Album: www.mfiles.co.uk
Artist: Ludwig van Beethoven
AudioFormat: 1
BitRate: 16
ByteRate: 176400
Comments: © Music Files Ltd
CompressionMethod: PCM
Copyright:
CreationDate:
Duration: 728.086077
Filename: C:/audio/audio2.wav
Filesize: 128434392
Genre: Classical
Keywords:
NumChannels: 2
SampleFrameSize: 4
SampleRate: 44100
Software: Lavf57.83.100
Source:
Subject:
Title: Symphony No.6 (1st movement)
TotalSamples: 32108544
TrackNumber:
]