Aud
1s Silence Ogg Opus
1s Silence Ogg Opus is a Ogg Container sample generated for file format testing. It can be used to test downloads, parsers, previews, and file type detection.
silence-1s.oggType Sample
395 B DownloadAudio
OGG Ogg Container
Ogg Container is a audio format commonly identified by .ogg, .oga, .ogv. Use the listed signatures, MIME types, and structure notes to validate files beyond the extension.
Extensions .ogg, .oga, .ogv
MIME audio/ogg, video/ogg, application/ogg
Magic numbers
Analyze your fileoffset 0 Ogg Container leading signature
4F 67 67 53 OggSStructure
- Ogg page header
- Segment table
- Packet data
Caveats
- Do not trust the extension alone. Check the MIME type, the first bytes such as 4F 67 67 53, and format-specific structure when possible.
- Container formats and damaged files can share the same opening bytes, so deeper validation may be required for production upload, preview, or conversion flows.
Detection example
SIGNATURE = bytes.fromhex("4f676753")
OFFSET = 0
def is_ogg(path: str) -> bool:
with open(path, "rb") as f:
f.seek(OFFSET)
head = f.read(len(SIGNATURE))
return head == SIGNATUREconst SIGNATURE = [0x4f, 0x67, 0x67, 0x53];
const OFFSET = 0;
// bytes: a Uint8Array / Buffer holding the start of the file
export function isOgg(bytes) {
return SIGNATURE.every((byte, i) => bytes[OFFSET + i] === byte);
}package fileid
import "bytes"
var isoggSignature = []byte{0x4f, 0x67, 0x67, 0x53}
const isoggOffset = 0
func IsOgg(b []byte) bool {
end := isoggOffset + len(isoggSignature)
if len(b) < end {
return false
}
return bytes.Equal(b[isoggOffset:end], isoggSignature)
}const SIGNATURE: &[u8] = &[0x4f, 0x67, 0x67, 0x53];
const OFFSET: usize = 0;
fn is_ogg(bytes: &[u8]) -> bool {
bytes.get(OFFSET..OFFSET + SIGNATURE.len()) == Some(SIGNATURE)
}<?php
$signature = "\x4f\x67\x67\x53";
$offset = 0;
function is_ogg(string $bytes): bool {
global $signature, $offset;
return substr($bytes, $offset, strlen($signature)) === $signature;
}Practical usage
Use cases
Ogg Container is used for playback, waveform processing, upload checks, duration handling, and bitrate validation. Short clips, silence, and ambient audio help expose player and conversion edge cases.
Common detection mistakes
- The .ogg / .oga / .ogv extension alone does not prove the file contents. Upload and conversion flows should combine extension, MIME type, leading bytes, and format-specific structure checks.
- Ogg Container can start with signatures such as 4F 67 67 53, but related containers and damaged files may require additional validation.
Security notes
Media files can still stress decoders through corrupt metadata, extreme dimensions, long durations, or unusual chunks. Read size, dimensions, and duration before processing.
Using samples
11 samples help test duration handling, playback startup, metadata reads, and download behavior.
Sample files
11 / 11 filesAud
Lake Waves OGG 0.25s
Lake Waves OGG 0.25s is a Ogg Container sample based on Wikimedia Commons, 0.25s. It can be used to test downloads, parsers, previews, and file type detection.
01-lake-waves.oggDuration 0.25s
1.2 KB SHA-256
8cd34db8b45af5bca3f5a24957fe8a9ddadfe7c611d1d3b14b2094220683f7bbAud
Lake Waves OGG 0.5s
Lake Waves OGG 0.5s is a Ogg Container sample based on Wikimedia Commons, 0.5s. It can be used to test downloads, parsers, previews, and file type detection.
02-lake-waves.oggDuration 0.5s
3.2 KB SHA-256
983311e4be6fbbba530134835a69e421ca8cdc631bf26c74f2d1a4c456242db3Aud
Lake Waves OGG 1s
Lake Waves OGG 1s is a Ogg Container sample based on Wikimedia Commons, 1s. It can be used to test downloads, parsers, previews, and file type detection.
03-lake-waves.oggDuration 1s
5.5 KB SHA-256
1583f8f319620ab5dae086f0a9caeb7e6cf208b5df30ac5387b470b440424a91Aud
Lake Waves OGG 1.5s
Lake Waves OGG 1.5s is a Ogg Container sample based on Wikimedia Commons, 1.5s. It can be used to test downloads, parsers, previews, and file type detection.
04-lake-waves.oggDuration 1.5s
8.7 KB SHA-256
771cb5be0d3852287972dd1e043fdc35cdf5c24f000df364ec622f7eaf7341e7Aud
Lake Waves OGG 2s
Lake Waves OGG 2s is a Ogg Container sample based on Wikimedia Commons, 2s. It can be used to test downloads, parsers, previews, and file type detection.
05-lake-waves.oggDuration 2s
11 KB SHA-256
c89b8764a36ecda854ab4121390e52571c9ee0a90fd1acc39cb60a9cafdd5d70Aud
Lake Waves OGG 3s
Lake Waves OGG 3s is a Ogg Container sample based on Wikimedia Commons, 3s. It can be used to test downloads, parsers, previews, and file type detection.
06-lake-waves.oggDuration 3s
17 KB SHA-256
ae80a4a437d92a168508f95bde80c8dc666886d39296e0dffd28e5d08bbbcd03Aud
Lake Waves OGG 4s
Lake Waves OGG 4s is a Ogg Container sample based on Wikimedia Commons, 4s. It can be used to test downloads, parsers, previews, and file type detection.
07-lake-waves.oggDuration 4s
22 KB SHA-256
3ee59ef9daca42b9512d42a3fdb6d5e792f1bfcee2b5286b7736cc2f48addb94Aud
Lake Waves OGG 6s
Lake Waves OGG 6s is a Ogg Container sample based on Wikimedia Commons, 6s. It can be used to test downloads, parsers, previews, and file type detection.
08-lake-waves.oggDuration 6s
35 KB SHA-256
0f67ae95c91ddbe13455e2cdb81dc3226394fe36eab201fd7fa6bc17867c29ccAud
Lake Waves OGG 8s
Lake Waves OGG 8s is a Ogg Container sample based on Wikimedia Commons, 8s. It can be used to test downloads, parsers, previews, and file type detection.
09-lake-waves.oggDuration 8s
44 KB SHA-256
83c99b7d9b838019b5da0d1134ab3803a5cb2c036581cc37525c5e666cdef23bAud
NASA TV Audio OGG
NASA TV Audio OGG is a Ogg Container sample based on NASA Image and Video Library, 2s. It can be used to test downloads, parsers, previews, and file type detection.
nasa-tv-audio.oggDuration 2s
12 KB SHA-256
8cf72800660ed530575aa9e442bccc793f009fbb7e83bce11e7eb9526accac0bFrequently asked questions
What is the magic number (file signature) of Ogg Container?
Ogg Container files begin with the byte signature 4F 67 67 53 ("OggS"). Detect the format by reading these leading bytes rather than trusting the file extension alone.
What is the MIME type of Ogg Container?
The MIME type for Ogg Container is audio/ogg, video/ogg, application/ogg.
What file extension does Ogg Container use?
Ogg Container files use the .ogg, .oga, .ogv extension. The extension is a convention only and does not guarantee the file contents, so combine it with signature and structure checks.