TOD to HCOM Converter

Extract Macintosh HCOM audio from JVC TOD camcorder files

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Audio Extraction

Pull audio from JVC TOD camcorder recordings into HCOM for vintage Mac preservation.

Cloud Conversion

HCOM extraction from TOD runs on our servers — no specialized software needed.

Secure Pipeline

TOD uploads are deleted post-processing. HCOM output is purged within 24 hours.

How to convert TOD to HCOM

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose hcom or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your hcom file right afterwards

About formats

TOD is a high-definition video recording format developed by JVC and introduced in 2007 with the Everio GZ-HD7 camcorder series. Serving as the HD counterpart to the standard-definition MOD format, TOD files contain MPEG-2 transport stream data with H.264/AVC video encoded at resolutions up to 1920x1080 interlaced, paired with AC-3 (Dolby Digital) audio. The format was developed as JVC transitioned its Everio camcorder line from standard definition to high definition, providing a recording format that balanced HD quality with practical file sizes for the hard disk drives and memory cards used as recording media. TOD files share structural similarities with the MPEG-2 transport stream used in broadcast applications, making them compatible with many professional and consumer video tools that handle transport stream content. JVC organized TOD recordings within a directory structure that includes metadata files for clip management, mirroring the approach used for MOD files but tailored to HD content parameters. The format records at bit rates sufficient for high-definition consumer video, typically ranging from 15 to 27 Mbps depending on the recording quality setting selected on the camera. While TOD is specific to JVC products and was eventually superseded by more widely adopted formats like AVCHD, it remains relevant for owners of JVC Everio HD camcorders who need to access, edit, or convert their recorded footage using modern video software.
Developer: JVC
Initial release: 2007
HCOM is a Huffman-coded audio format from the early Macintosh era, designed to shrink digitized sound for distribution on floppy disks and bulletin board systems when storage was precious and modems were slow. The encoder takes 8-bit unsigned PCM input, computes a frequency table of sample-delta values, and builds an optimal Huffman tree that replaces common deltas with short bit sequences. Compression ratios of 2:1 or better were typical for speech recordings, a meaningful saving when a 3.5-inch floppy held only 800 KB. Files were distributed as Macintosh resource forks and played through utilities like SoundApp and the BinHex ecosystem that defined Mac software exchange in the late 1980s. The format supported sample rates up to 22.255 kHz, matching the output capabilities of original Macintosh sound hardware. Tools such as SoX retain HCOM decoding support, ensuring that archived recordings remain accessible decades later. HCOM holds three practical advantages for preservation work: lossless compression that recovers the original samples exactly, a self-contained Huffman table embedded in each file for dependency-free decoding, and historical prevalence across thousands of vintage Mac sound archives.
Developer: Apple Computer
Initial release: 1985

Frequently Asked Questions

Why convert TOD to HCOM?

HCOM is built for vintage Mac preservation. Extract audio from proprietary TOD into a purpose-built format.

What uses HCOM files?

Systems and apps designed for vintage Mac preservation accept HCOM as their native audio format.

Is HCOM widely compatible?

HCOM is a specialized format. SOX and dedicated tools handle it; mainstream players may not.

Will the quality be adequate?

HCOM quality suits its intended purpose. Output depends on the audio quality in your TOD source.

Can I batch convert?

Upload several TOD files and extract HCOM audio from each simultaneously.