Routines (alphabetical) > Routines: Q > QUERY_WAV

# 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:

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