Audio format

File di esempio PCM

PCM (.pcm) files contain raw, unformatted audio samples in Pulse Code Modulation. Used in embedded systems and DSP applications, they require external metadata (sample rate, bit depth). Use sample .pcm files to validate low-level audio processing, buffer alignment, and format conversion.

4 file All to 5MB SHA256 verified Manifest included

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Quick facts

CategoriaAudio

Total Files4

Extension.3MB.pcm

MIMEapplication/octet-stream

ManifestJSON

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PCM Sample Files — Download

Starter file

pcm_15s_sample_file_1.3MB.pcm · 1.3 MB

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All (4) 500KB (1) 1MB (1) 2MB (1) 5MB (1)

Nome file	Dimensione	MIME	Scarica
pcm_15s_sample_file_1.3MB.pcm .3MB.pcm Starter `SHA256 46402bf49c86...`	1.3 MB	`application/octet-stream`	Scarica
pcm_30s_sample_file_2.5MB.pcm .5MB.pcm `SHA256 b98f6307d7c0...`	2.5 MB	`application/octet-stream`	Scarica
pcm_5s_sample_file_431KB.pcm .pcm Realistic `SHA256 68ab9e124dcf...`	430.7 KB	`application/octet-stream`	Scarica
pcm_60s_sample_file_5.0MB.pcm .0MB.pcm `SHA256 5a6f31380a92...`	5.0 MB	`application/octet-stream`	Scarica

Use cases

PCM Testing Workflows

Raw Audio Playback Validation

PCM for Raw Audio Playback Validation

Apri formato PCM

Raw Audio Transfer

PCM for Raw Audio Transfer

Apri formato PCM

Compare and decide

PCM Format Comparisons

More audio formats: WAV MP3 AAC AIFF FLAC M4A

FAQ and reference

PCM File FAQ

Checksum Verification

Use checksums to confirm file integrity after download.

shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.

Where is the machine-readable manifest?

Use the manifest when you need stable names, SHA256 values, and URLs for automation.

Manifest

Validation Methodology

Verify duration, sample rate, and channel count in your decoder.
Test metadata extraction and malformed-tag handling.
Validate seek/stream behavior over slow networks.

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