Tone Detection in QCELP and VSELP.

Started by Elias Kopcak in Speech Coding17 years ago

Dears, Anybody knows about the tones effects in cell vocoders(QCELP and VSELP)? I have to detect a pilot tone (1400Hz i.e) in...

Dears, Anybody knows about the tones effects in cell vocoders(QCELP and VSELP)? I have to detect a pilot tone (1400Hz i.e) in mobile phones (CDMA and TDMA) and I guess I might have some problems. Are there some research materials about that to QCELP and VSELP?


QCELP Codec Source Code

Started by aydemird in Speech Coding16 years ago

Hi, I ve searched the list and read through the messages regarding the QCELP source code requests. I ve found some links through...

Hi, I ve searched the list and read through the messages regarding the QCELP source code requests. I ve found some links through the messages but actually none is working. Can somebody here point some resources for the QCELP algorithm, source code, pseudo code whichever is ok.


information

Started by adang a sudrajat in Speech Coding19 years ago

Dear All, First of all, I want to introduce myself. My name is Adang Sudrajat. I have a final project about implementation of...

Dear All, First of all, I want to introduce myself. My name is Adang Sudrajat. I have a final project about implementation of QCELP. Would anyone help me to answer some questions such as: 1. What makes QCELP is different from other CELP methods? 2. How to implemen


QCELP source code

Started by chifa98 in Speech Coding16 years ago 1 reply

Does anyone know where I can get the source code for QCELP vocoder ?

Does anyone know where I can get the source code for QCELP vocoder ?


Need source code of QCELP

Started by Anonymous in Speech Coding20 years ago 4 replies

Hi all, I am intend to learn much about variable rate speech coding, and I take QCELP (Qualcomm CELP) to study.I am looking...

Hi all, I am intend to learn much about variable rate speech coding, and I take QCELP (Qualcomm CELP) to study.I am looking for any good reference that have complete describe about the concept and algorithm of this vocoder. Especially I need the source code


QCELP fixed-point source

Started by Anonymous in Speech Coding18 years ago

Is there a fixed-point C source code for QCELP-13 available for purchase or otherwise? regards mayank ...

Is there a fixed-point C source code for QCELP-13 available for purchase or otherwise? regards mayank


Qcelp fixed point code.

Started by nandyala_nagesh in Speech Coding17 years ago

Hi, I am asking the same question, that Mr. MayanK has asked sometime back..(Abt availabilty of Fixed point code for QCelp-13/8)...

Hi, I am asking the same question, that Mr. MayanK has asked sometime back..(Abt availabilty of Fixed point code for QCelp-13/8) Just to know if there is any update after that.. Thanks for any info. Regards, Nagesh. PS: Mr. Mayank, please let me know, if you have go


selecting rate on decoder of QCELP...

Started by Anonymous in Speech Coding20 years ago

Hi all, I wanna ask about how I can select rate in the decoder of QCELP (IS96A) I think it is important decise the rate,...

Hi all, I wanna ask about how I can select rate in the decoder of QCELP (IS96A) I think it is important decise the rate, first, for the packet come from encoder, to decode packet it's depend on what rate is it in the certain period of packet. Thanks.


GSM or CDMA//QCelp code in Matlab

Started by Chipo Masawi in Speech Coding16 years ago

Hey anyone! Is there any GSM or CDMA//QCelp code in Matlab? Chifa98 ===== You may be disappointed if you fail BUT you...

Hey anyone! Is there any GSM or CDMA//QCelp code in Matlab? Chifa98 ===== You may be disappointed if you fail BUT you are doomed if you dont try!!!!! Till next time Chipo


Advantages & Disadvantages of ACELP & QCELP

Started by prob...@yahoo.com in Speech Coding12 years ago 1 reply

Hi, my name is Novi, I would like to know the advantages of disadvantages of ACELP & QCELP, when compared to CELP. Can anyone please tell me?...

Hi, my name is Novi, I would like to know the advantages of disadvantages of ACELP & QCELP, when compared to CELP. Can anyone please tell me? Thank you very much..


help

Started by adang a sudrajat in Speech Coding19 years ago

Dear all, Does anybody know which universities around the world have thesis/dissertations about QCELP-8 in their libraries? ...

Dear all, Does anybody know which universities around the world have thesis/dissertations about QCELP-8 in their libraries? Thank you very much for all of you. Best regards, adang


Background noise estimate ?

Started by Mohamad Alifikri in Speech Coding18 years ago

In QCELP-8 (IS96A) speech coder, there is a process to determine rate for current frame of speech. Determination of the rate is...

In QCELP-8 (IS96A) speech coder, there is a process to determine rate for current frame of speech. Determination of the rate is based on 3 threshold of energy and average energy of current frame (R0). Formulation to count threshold energy is a function of background noise of c