Siren - Revision history

Kostya: fill missing details

2023-07-22T13:30:39Z

fill missing details

← Older revision		Revision as of 06:30, 22 July 2023
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	(excluding the tcl_siren* files).		(excluding the tcl_siren* files).

	~~Possibly related to~~ [[Vivo Siren]].		This codec is the same as [[Vivo Siren]] except for some slightly different bitstream format (e.g. no sample rate ID in the beginning or four-bit CRC at the end and frame data is padded) and some parameters related to sample scaling.

	[[Category:Audio Codecs]]		[[Category:Audio Codecs]]
	~~[[Category:Incomplete Audio Codecs]]~~

Suxen drol at 00:48, 24 January 2022

2022-01-24T00:48:25Z

← Older revision		Revision as of 17:48, 23 January 2022
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	* Company: [[Microsoft]]		* Company: [[Microsoft]]
	* Decoder: https://github.com/kakaroto/libsiren		* Decoder: https://github.com/kakaroto/libsiren
	* Patch: https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2012-July/127801.html ( [FFmpeg-devel] [TOY] Siren7 encoder/decoder using aMSN libsiren )

	This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (audio conference).		This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (audio conference).
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	[[Category:Audio Codecs]]		[[Category:Audio Codecs]]
	[[Category:Incomplete Audio Codecs]]		[[Category:Incomplete Audio Codecs]]
	~~[[Category:Formats missing in FFmpeg]]~~

Compn at 12:37, 10 January 2013

2013-01-10T12:37:18Z

← Older revision		Revision as of 05:37, 10 January 2013
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	* Format: 0x28E		* Format: 0x28E
	* Company: [[Microsoft]]		* Company: [[Microsoft]]
			* Decoder: https://github.com/kakaroto/libsiren
			* Patch: https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2012-July/127801.html ( [FFmpeg-devel] [TOY] Siren7 encoder/decoder using aMSN libsiren )

	This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (audio conference).		This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (audio conference).

Kakaroto: svn path modified

2007-07-21T15:03:37Z

svn path modified

← Older revision		Revision as of 08:03, 21 July 2007
Line 5:		Line 5:
	It is based on the G722.1 codec and only has a few differences to it. For example, it uses a 2 byte big-endian format for storing the encoded data instead of little-endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).		It is based on the G722.1 codec and only has a few differences to it. For example, it uses a 2 byte big-endian format for storing the encoded data instead of little-endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).

	The codec has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/		The codec has been reverse engineered and is available for download at : https://amsn.svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/
	(excluding the tcl_siren* files).		(excluding the tcl_siren* files).

DonDiego: Add to formats missing in FFmpeg category.

2007-04-13T20:30:40Z

Add to formats missing in FFmpeg category.

← Older revision		Revision as of 13:30, 13 April 2007
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	[[Category:Audio Codecs]]		[[Category:Audio Codecs]]
	[[Category:Incomplete Audio Codecs]]		[[Category:Incomplete Audio Codecs]]
			[[Category:Formats missing in FFmpeg]]

Angustia: Decoder has been implemented.

2007-03-23T19:41:12Z

Decoder has been implemented.

← Older revision		Revision as of 12:41, 23 March 2007
Line 5:		Line 5:
	It is based on the G722.1 codec and only has a few differences to it. For example, it uses a 2 byte big-endian format for storing the encoded data instead of little-endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).		It is based on the G722.1 codec and only has a few differences to it. For example, it uses a 2 byte big-endian format for storing the encoded data instead of little-endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).

	The ~~encoder~~ has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/		The codec has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/
	(excluding the tcl_siren* files).		(excluding the tcl_siren* files).
	~~The decoder has not yet been written, but should be fairly easy to do considering the encoder part is done.~~

	Possibly related to [[Vivo Siren]].		Possibly related to [[Vivo Siren]].

DonDiego: note about Vivo Siren

2006-10-15T16:29:11Z

note about Vivo Siren

← Older revision		Revision as of 09:29, 15 October 2006
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	The decoder has not yet been written, but should be fairly easy to do considering the encoder part is done.		The decoder has not yet been written, but should be fairly easy to do considering the encoder part is done.

			Possibly related to [[Vivo Siren]].

	[[Category:Audio Codecs]]		[[Category:Audio Codecs]]
	[[Category:Incomplete Audio Codecs]]		[[Category:Incomplete Audio Codecs]]

DonDiego: spelling, grammar

2006-10-15T11:05:08Z

spelling, grammar

← Older revision		Revision as of 04:05, 15 October 2006
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	* Company: [[Microsoft]]		* Company: [[Microsoft]]

	This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (~~Audio~~ conference).		This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (audio conference).
	It is based on the G722.1 codec and only has a few differences ~~with~~ it. For example, it uses a 2 ~~bytes Big Endian~~ format for storing the encoded data instead of ~~Little Endian~~, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).		It is based on the G722.1 codec and only has a few differences to it. For example, it uses a 2 byte big-endian format for storing the encoded data instead of little-endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).

	The ~~Encoder~~ has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/		The encoder has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/
	(excluding the tcl_siren* files).		(excluding the tcl_siren* files).
	The ~~Decoder~~ has not yet been written, but should be fairly easy to do considering the ~~Encoder~~ part is done.		The decoder has not yet been written, but should be fairly easy to do considering the encoder part is done.


	[[Category:Audio Codecs]]		[[Category:Audio Codecs]]
	[[Category:Incomplete Audio Codecs]]		[[Category:Incomplete Audio Codecs]]

Kakaroto at 04:14, 15 October 2006

2006-10-15T04:14:19Z

← Older revision		Revision as of 21:14, 14 October 2006
Line 3:		Line 3:

	This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (Audio conference).		This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (Audio conference).
	It is based ~~onthe~~ G722.1 codec and only has a few differences with it. For example, it uses a 2 bytes Big Endian format for storing the encoded data instead of Little Endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).		It is based on the G722.1 codec and only has a few differences with it. For example, it uses a 2 bytes Big Endian format for storing the encoded data instead of Little Endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).

	The Encoder has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/		The Encoder has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/

Kakaroto at 04:13, 15 October 2006

2006-10-15T04:13:59Z

New page

* Format: 0x28E
* Company: [[Microsoft]]

This audio codec is used by MSN Messenger for sending/receiving voice clips. It is also one of the available codecs for the 'Computer Call' feature (Audio conference).
It is based onthe G722.1 codec and only has a few differences with it. For example, it uses a 2 bytes Big Endian format for storing the encoded data instead of Little Endian, and it also adds a few bits (mostly 2) as a header to each frame to specify the sampling rate, and a 4 bits footer which contains a checksum of the frame (but keeping the size of the block to 40 bytes per frame).

The Encoder has been reverse engineered and is available for download at : https://svn.sourceforge.net/svnroot/amsn/trunk/amsn/utils/tcl_siren/src/
(excluding the tcl_siren* files).
The Decoder has not yet been written, but should be fairly easy to do considering the Encoder part is done.

[[Category:Audio Codecs]]
[[Category:Incomplete Audio Codecs]]