What Is This Tool?
This resource provides free sample W64 files, an audio format designed for very large, high-resolution recordings. W64 extends the traditional WAV format by supporting 64-bit file sizes, making it suitable for demanding professional audio applications.
How to Use This Tool?
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Download the free W64 sample files from this page to test audio workflows.
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Use these samples to evaluate compatibility with your audio editing and playback software.
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Implement the files in mastering, post-production, or archival projects requiring large uncompressed audio files.
Key Features
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Overcomes the 4 GB size limit found in standard WAV files.
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Maintains WAV-like structure for compatibility with professional audio tools.
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Supports both uncompressed PCM and floating-point audio data.
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Ideal for long-duration multichannel or high-sample-rate audio recordings.
Examples
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Long multitrack recording from a live concert session saved as a W64 file.
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High-resolution broadcast-quality audio stems consolidated into single W64 files.
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Archival audio of a sound design session preserving uncompressed fidelity with large file sizes.
Common Use Cases
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Location recording involving extensive multichannel setups exceeding 4 GB.
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Mastering sessions requiring bit-perfect audio preservation at high sample rates.
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Post-production workflows handling very large single-file recordings or consolidated stems for broadcast.
Tips & Best Practices
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Use W64 files when dealing with audio projects that exceed standard WAV file size limits.
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Ensure your audio tools and hardware support 64-bit RIFF structure to avoid compatibility issues.
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Be prepared for large file sizes since W64 stores uncompressed audio data by default.
Limitations
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Less support among consumer audio players and some software compared to standard WAV format.
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File sizes remain very large because the format stores uncompressed audio by default.
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Certain tools and devices expecting 32-bit RIFF may not correctly read or parse W64 files.
Frequently Asked Questions
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What is the main advantage of the W64 format?
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W64 removes the 4 GB size limitation of standard WAV files by utilizing 64-bit chunk sizes, allowing for much larger audio files.
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Can I use W64 files with any audio player?
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W64 files may not be supported by many consumer-level audio players or some software, so compatibility could be limited.
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Does the W64 format compress audio data?
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No, W64 typically stores uncompressed PCM or floating-point audio data, which results in large file sizes.
Key Terminology
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W64
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A 64-bit extension of the WAV audio container designed to handle files larger than 4 GB.
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PCM
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Pulse-code modulation, an uncompressed audio data format commonly used in professional audio.
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Chunk-size field
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A component of the file format specifying the size of data blocks; in W64, this uses 64-bit fields to support larger sizes.