QUERY_WAV

Syntax | Return Value | Arguments | Keywords | Version History

The QUERY_WAV function checks that the file is actually a .WAV file and that the READ_WAV function can read the data in the file. Optionally, it can return additional information about the data in the file.

Syntax

Result = QUERY_WAV ( Filename[, Info] )

Return Value

This routine returns a long with the value of 1 (one) if the query was successful (and the file type was correct) or 0 (zero) on failure.

Arguments

Filename

A scalar string containing the full pathname of the .WAV file to read.

Info

An anonymous structure containing information about the data in the file. The fields are defined as:

Table 19-7: The Info Structure for Info Fields
Tag	Type	Definition
CHANNELS	INT	Number of data channels in the file.
SAMPLES_PER_SEC	LONG	Data sampling rate in samples per second.
BITS_PER_SAMPLE	INT	Number of valid bits in the data.

Keywords

None.

Version History


5.3	Introduced