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Need help with MELP

Started by zainmehtab108 in Speech Coding15 years ago

Hi! I am an undergraduate student and my instructor has assigned me the semester project of implementation of the M.E.L.P. codec on MATLAB. I have...

Hi! I am an undergraduate student and my instructor has assigned me the semester project of implementation of the M.E.L.P. codec on MATLAB. I have no clue as to how it works. Can anyone please suggest some freely available material that is EASY TO UNDERSTAND regarding M.E.L.P. I have to start from the very beginning and I know nothing about speech signal processing or speech codecs. So I need the ...


Download Standard speech coders

Started by m_dj...@yahoo.com in Speech Coding18 years ago

Hi I want to download a source code (in c/c++ or c#) standards speech coders (MELP, ACELP, AMR_WB,...). Can you show me where I can do...

Hi I want to download a source code (in c/c++ or c#) standards speech coders (MELP, ACELP, AMR_WB,...). Can you show me where I can do that. Thanks


Low Bit Rate Coding

Started by Anonymous in Speech Coding24 years ago 2 replies

Hi , I would like to convert Melp 2400 bps(Ver. 1.2) to 1200 bps for my academic thesis,Please could any one send me any idea...

Hi , I would like to convert Melp 2400 bps(Ver. 1.2) to 1200 bps for my academic thesis,Please could any one send me any idea ,comments or source code as soon as possible. Regards machd musafi


{need help}getting start to LPC coding

Started by mojtaba mahdavi in Speech Coding21 years ago 1 reply

Hi all dears. I am doing a project on vocoders[MELP]. But I am new to this field and I have not much time to go around. ...

Hi all dears. I am doing a project on vocoders[MELP]. But I am new to this field and I have not much time to go around. NOW Can anybody suggest me some thing like a tutorial or good referece on LPC coding. any suggestion is usefull to us.


TMS C6711 speech coding

Started by omar nasr in Speech Coding20 years ago 1 reply

Hello all, I tried for long time to implement the CELP "FS1016" on TMS320C6711, I tried for mmore than 3 weeks but I failed!!!,...

Hello all, I tried for long time to implement the CELP "FS1016" on TMS320C6711, I tried for mmore than 3 weeks but I failed!!!, then I tried to use MELP which use less computations, but till now no way "more than 2 weeks", can u tell me an algorithm that has bit r


standard speech coder

Started by mouloud Djamah in Speech Coding16 years ago 2 replies

Hi I am looking for source code (C/C++) standard speech coder (FS MELP, ACELP, AMR_NB,....) to download or to buy. Is there official web site...

Hi I am looking for source code (C/C++) standard speech coder (FS MELP, ACELP, AMR_NB,....) to download or to buy. Is there official web site where I download them (for free or to buy them) Thanks


Sub 2400bps coding

Started by Anonymous in Speech Coding23 years ago 1 reply

Does anyone have any recommendations on speech coding algorithms <2400bps? I need a low data rate codec for an amateur radio experiment I'm planning. I've been looking at MELP, but I noticed the ...

Does anyone have any recommendations on speech coding algorithms <2400bps? I need a low data rate codec for an amateur radio experiment I'm planning. I've been looking at MELP, but I noticed the DoD are looking for 600bps algorithms. I've also noticed TI are selling DSPs for toys


Why specifying MIPS for speech encoding performance..?

Started by Khubaib in Speech Coding20 years ago 4 replies

hi I have seen at many places (e.g. commercial audio products employing standard audio codecs) that this algorithm takes that many...

hi I have seen at many places (e.g. commercial audio products employing standard audio codecs) that this algorithm takes that many MIPS on this processor. e.g. MELP 2.4kbps takes 66 MIPS on TMSxxxxx etc. (this is just an example). However, should it not be encoding time (taken


Difference between voiced and unvoiced frame.?

Started by Khubaib in Speech Coding20 years ago 3 replies

HI I want to know the difference between the voiced and unvoiced frame in context of the MELP 2.4 kbps codec, (and other codecs as...

HI I want to know the difference between the voiced and unvoiced frame in context of the MELP 2.4 kbps codec, (and other codecs as well). What encoder does in case of a voiced or an unvoiced frame..?. Regards Khubaib


[Fwd: Re: Urgent Help Needed on CELP]

Started by Jeff Brower in Speech Coding20 years ago

Dai, B. James- Add... MELP --> Mixed Excitation Linear Prediction -Jeff -------- Original Message -------- ...

Dai, B. James- Add... MELP --> Mixed Excitation Linear Prediction -Jeff -------- Original Message -------- Subject: Re: [speechcoding] Urgent Help Needed on CELP Date: Tue, 11 May 2004 19:07:08 +0800 (CST) From: dai Guangfa <


celp/fastica/simulink

Started by nice...@hotmail.com in Speech Coding19 years ago

Dear all: 1. I need CELP / MELP source code or program compatible with windows OS. 2. I am implementing a datahiding technique (echo...

Dear all: 1. I need CELP / MELP source code or program compatible with windows OS. 2. I am implementing a datahiding technique (echo data hiding technique) using simulink. i had already written a code for it. so i need a help in DSP simulink for implementing the technique. 3. i successfully could seperate two mixed sound with FastICA technique, but after applying CELP