NHLT-DMIC-INFO(1) General Commands Manual NHLT-DMIC-INFO(1)

# [NAME](#NAME)

nhlt-dmic-info - dump microphone array information from ACPI NHLT table

# [SYNOPSIS](#SYNOPSIS)

**nhlt-dmic-info** \[*-option*]

# [DESCRIPTION](#DESCRIPTION)

**nhlt-dmic-info dumps microphone array information from ACPI NHLT** **table in JSON format.**

# [OPTIONS](#OPTIONS)

[*-h* | *--help*](#h)

Prints the help information.

[*-f <file>* | *--file=<file>*](#f)

Input file with the binary ACPI NHLT table (default is **/sys/firmware/acpi/tables/NHLT**).

[*-o <file>* | *--output=<file>*](#o)

JSON output file (default is stdout: **-**).

# [EXAMPLES](#EXAMPLES)

```
nhlt-dmic-info -f nhlt.bin -o dmic.json
```

# [BUGS](#BUGS)

None known.

# [AUTHOR](#AUTHOR)

**nhlt-dmic-info** is by Jaroslav Kysela <perex@perex.cz>. This document is by Jaroslav Kysela <perex@perex.cz>.

16 May 2023

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Document: nhlt-dmic-info(1) from alsa-utils 1.2.16-r3 (Chainguard OS)
Source: https://github.com/alsa-project/alsa-utils