The references for AMR are: 26.071 AMR speech Codec; General description 26.073 AMR speech Codec; C-source code 26.074 AMR speech Codec; Test sequences
All three can be found at: ftp://ftp.3gpp.org/Specs/latest/R1999/26_series/ Regards Clark R. Clark Misul ============================================ DETECON, INC. Telecommunications, IP, Management 10700 Parkridge Blvd, Suite 100 Reston VA 20191. USA Main: +1 (703) 476-4800 Fax: +1 (703) 476-2577 Direct: +1 (703) 480-0812 PCS: +1 (703) 981-1399 E-Mail: [EMAIL PROTECTED] Website: www.deteconusa.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Mail Administrator Sent: Wednesday, April 17, 2002 4:06 PM To: [EMAIL PROTECTED] Subject: BOUNCE [EMAIL PROTECTED]: Non-member submission from [James Salsman <[EMAIL PROTECTED]>] (fwd) Received: from sj1-3-4-9.securesites.net (sj1-3-4-9.securesites.net [192.220.127.202]) by ietf.org (8.9.1a/8.9.1a) with SMTP id OAA00610 for <[EMAIL PROTECTED]>; Wed, 17 Apr 2002 14:29:28 -0400 (EDT) Received: (qmail 43566 invoked by uid 18650); 17 Apr 2002 18:29:30 -0000 Message-ID: <[EMAIL PROTECTED]> Subject: Re: Audio/AMR To: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] Date: Wed, 17 Apr 2002 11:29:30 -0700 (PDT) From: James Salsman <[EMAIL PROTECTED]> Organization: www.bovik.org X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit I have almost convinced myself that Audio/AMR is not the same as GSM 6.10 -- can anyone please confirm or deny this? Here is an Audio/AMR reference implementation for x86 PCs: http://www.3gpp.org/ftp/tsg_sa/WG4_CODEC/AMR-Wideband/AMR-WB_Characterizatio n_Phase/Executables/g7221%26amrnb400_exe.zip Does anyone have source to an AMR codec? I can't find it. > AMR is the mandatory format for voice message audio email attachments > according to the MMS (Multimedia Messaging System) ETSI cellular > telephone specification (ETSI 123 140), which incorporates the IETF MIME > and VPIM specifications in large part. > > The MIME type registration for Audio/AMR is presently at: > http://www.ietf.org/internet-drafts/draft-ietf-avt-rtp-amr-13.txt > > The AMR specification is: 3GPP TS 26.101: > http://www.3gpp.org/ftp/tsg_sa/tsg_sa/TSGS_06/Docs/PDF/SP-99562.pdf Best wishes, James
