TAK to PVF Converter

Decode TAK audio into Portable Voice Format online

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Telephony Ready

PVF is used in phone systems and IVR — converting from lossless TAK produces clean voice files for telephony applications.

No Tools Needed

Create PVF files entirely in your browser — no need to install SoX or other command-line audio conversion utilities.

Private Handling

Your TAK files are erased immediately after processing. PVF results are purged from servers within 24 hours.

How to convert TAK to PVF

1

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

2

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

3

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

About formats

TAK (Tom's lossless Audio Kompressor) is a high-performance lossless audio codec created by German developer Thomas Becker, with the first public release arriving in 2007. Originally called YALAC, the project was renamed before launch and quickly earned recognition for delivering compression ratios that rival or exceed FLAC while decoding noticeably faster. TAK supports PCM audio up to 24-bit depth and 192 kHz sample rate, covering everything from CD-quality to high-resolution studio masters. One of its strongest selling points is encoding speed: even at maximum compression, TAK encodes faster than most competing lossless codecs at their default settings. The decoder is similarly efficient, making real-time playback straightforward on modest hardware. Error detection through CRC-32 checksums ensures bit-perfect integrity, important for archival purposes. TAK also supports embedded cue sheets and APEv2 tags for organizing multi-track albums. The primary trade-off is that TAK remains closed-source and Windows-only, limiting cross-platform adoption. For users who prioritize compression efficiency and speed on Windows systems, TAK stands among the best lossless options available.
Developer: Thomas Becker
Initial release: 2007
PVF (Portable Voice Format) is a simple audio file format designed for voice message storage in Linux-based telephony systems, most notably ISDN4Linux and its vbox voicemail application. The format emerged from the European ISDN ecosystem of the late 1990s, when Linux servers increasingly handled PBX and answering machine duties over digital phone lines. PVF files store raw signed 16-bit PCM samples at 8000 Hz mono, preceded by a minimal plain-text header specifying data format and byte ordering. This deliberate simplicity is one of the format's primary strengths — with no compression and a human-readable header, PVF files are trivially easy to parse, pipe, and manipulate using standard Unix tools. The 8 kHz rate matches the Nyquist requirement for telephone-bandwidth speech (300-3400 Hz), making PVF a natural intermediate format for voice processing pipelines. Another advantage is cross-architecture portability: the explicit byte-order declaration means PVF files move between big-endian and little-endian systems without ambiguity. The SoX audio toolkit provides native PVF read/write support, enabling straightforward conversion to modern formats.
Developer: ISDN4Linux Project
Initial release: 1997

Frequently Asked Questions

What is PVF?

Portable Voice Format is a simple audio format used in telephony and embedded voice systems — it stores raw voice data with minimal headers.

Why convert TAK to PVF?

PVF is required by certain telephony platforms and IVR systems. Converting voice recordings from lossless TAK ensures clean PVF output.

What opens PVF files?

SoX, Asterisk PBX, and various telephony development tools support PVF for voice processing and playback.

Is PVF lossy?

PVF stores uncompressed audio data — no quality is lost during the conversion from lossless TAK to PVF.

Is my audio kept private?

TAK uploads are deleted right after conversion. PVF outputs are removed from our servers within 24 hours.