Technical discussions related to Audio Signal Processing (digital effects, acoustics, noise reduction, musical signal processing, etc).
Search Results for "mp3"
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akash damodar sureka - Oct 8 2003
do u know which is the best MP3 encoder, i mean LAME, Thomson or Fraunhofer???
How is the testing of MP3 encoder carried out since no standard test vectors are availabl...
tulasi syam - Dec 6 2007
i am working on mp3 encoder. im doing project on implementation of FFT and psychoacoustic models for mp3 encoder in C language. i want help regarding finding the c...
Daya Sagar - Jan 5 2005
My Next project/product is on MP3 (stand alone).
I have not done any product related to MP3 till now.
Right now the idea is to develop a MP...
Sigmund Gudvangen - Sep 23 2003
Le Mardi 23 Septembre 2003 06:29, hemanth kumar écrivit :
> Hi Manju,
> We too have gone thru the same pain, trying our luck with all sorts of
> search engines. this was the b...
Rhishikesh Agashe - May 2 2006
I am working on Mp3 Decoder. I am trying to find an
optimized implementation of IMDCT algorithm and
Synthesis Polyphase filter algorithm for Mp3 Decoder.
The reference c...
Manjunath - Oct 7 2002
Could you please advice me regarding which book to buy for mp3
algorithms.Preferable it should contain description of the algorithm,
sorce code etc.
Jacobs, Ben - Feb 16 2001
Where can I find Mp3 compression algorithms ?
bhagawan reddy - Oct 10 2003
I am working on Hardware Interfacing of MP3 Decoder code on ADSP-218x EZ-KIT/ICE.
MP3 Decoder code was succesfully tested on ADSP -218x Simulator .File Input/...
kaus...@yahoo.com - Sep 1 2008
-I often get confused between an audio codec and an audio file format. Doesnt a .mp3 extension necessarily mean that the file has been encoded using 'mp3' encodin...
hemanth kumar - Sep 10 2003
i am working on a Mp3 codec,can anyone tell me how the
bitstream contains 2 granules of data while the MDCT
block reduces the number to half the number of the in
krav...@gmail.com - Jun 13 2008
My aim is to dump the G.729 encoded audio samples packetized in RTP payload and then convert the G.729 encoded samples to MP3 format.
What i'm doing:
1. I got the G.729 encod...
pk_s...@rediffmail.com - Feb 1 2005
I am working on a project related to ID3 tags.
Can anyone tell me from where to get mp3 files with old version of ID3v2 tag? I mean ID3v2.2.0 or earlier
Thanks in adv...
kiran kumar - Mar 22 2006
i am doing my project in mpeg-1 audio layer-3 audio decoder using arm7.
iam facing problem in understanding the bitfield information of sideinformation in...
RAMESH NAIDU - Sep 25 2006
I am working mp3 audio decoder and i am confused how to handle Bit Reserviour when main_data!=0. For how many frames does main_data of one frame can spread typically...
rahul saxena - Nov 25 2003
hello group members,
i want to make a software in MATLAB or C to play mp3 files. Since I am new to this field, it would be very nice if somebody could tell me as to what things...
shameedsait - Sep 8 2006
Hi all, I low-pass filtered a wav file so that there was no component
above 16 kHz. But the mp3 file file I got after encoding the low-pass
filtered wav file using lame encoder...
gbmk_2004 - Jun 30 2005
Can any body helpme in the following .
1. In one Mp3 file, both stereo and joint stereo modes are possible or
i.e. some frames encoded as stereo and some frames a...
raghurh - Sep 18 2002
I have developed MP3 Audio Decoder on windows NT platform .
Previously i used to put the ouptput of Decoder i.e, PCM samples into
the file and play it through the ...
raghuram hindupur - Aug 20 2002
Hi all ,Can any one tell me in which site are mp3 test bits i.e 16 bit wav samples with sampling frequency at 44100 Hzare available ???Also are there any Mp3 analyzers availab...
robs...@yahoo.com - Feb 10 2010
i trying make 3d sound in matlab (like virtual hair cut), and i think that is depend on amplitude(far,near) and shift(left, right) of orginal signal
i success in p...
Iain Surgey - Aug 1 2010
I want to build a server that can compress many different PCM streams
simultaneously. This laptop can encode mp3 at 18x the speed of playback,
which theoretically means it...
ap1234_singh - Mar 8 2002
I am working on MP3 decoder for a 16 bit Fixed pt DSP. I am having
trouble in dequantizer implementation please let me know in case
there is any information or impleme...
zhum...@postel.com.cn - Sep 21 2003
You could down the paper from the URL
" http://www.macman.net/files/mp3/mpegaud.pdf "
"Nalin Pithwa" ...
raj raj - Aug 9 2005
Iam implementing MP3 decoder.
I would be very happy if any body gives answer for
1. What is frequency inversion
2. Why frequency inversion is done ...
Karthika - Dec 15 2006
I am trying to decode an mp3 bit stream using the
library libmad. I am using the program "minimad.c".
But, I am not knowing where to look for the output
data i.e the ...
hemanth kumar - Sep 23 2003
We too have gone thru the same pain, trying our luck with all sorts of search engines. this was the best link we found.
Syed Moinuddin - Sep 6 2000
There are two sites where you can find info about MP3
offical site:-> www.cselt.it/mpeg/
Lots of Links -> www.m...
raja...@yahoo.com - Dec 16 2005
I'm working on implementing Trick Modes (fast forward, rewind etc) in MP3. In this context, I need to play audio at higher speeds (2x, 4x). Skipping audio samples distorts ...
YOSHITA NANDA - Jun 11 2005
I am doing masters project on audio classifcation system. A freely
available package LibMpeg3 was downloaded by me from the web, required
to extract mp3 audio stream...
Karthika - Jan 24 2007
I am studying the libmad code for mp3 decoder and I
have a doubt in the file “synth.h”. I could not
understand the “filter” element of the structure
Sameer Kibey - Jun 22 2004
can anyone tell me from where i can get either
1. AC-3 bitstreams or
2. an AC3 'encoder' or
3. mp3/wav/wma/pcm to "AC3" converter
basically i am in need of an AC3 bitst...
Krishnakumar G - Sep 6 2000
Can anyone tell me a way to understand the quantization block found in
the MP3 standard in some detail.Please give me some pointers to some
material you know.
Sunny Hsieh - May 7 2002
Go to http://www.mp3-tech.org/programmer/decoding.html
There are a lot of source code for your reference.
----- Original Message -----
pai_raviin - Sep 1 2005
I am trying to implement the MPEG-2 layer-3 multichannel decoder,
backward compatible with MPEG-1 layer-3.
I am new to this work and I don't have any source code to implem...
Andrew Elder - Aug 3 2010
Maybe try a PCM capable MP3 CD "ripper". If you can "rip" the CD into PCM
(sometimes called "wav"), you can use MATLAB to read the resulting WAV files.
Amit - Jun 16 2008
If you are using a perfect reconstruction filterbank , then you can go with=
SNR measurements to determine the quality. If you are using pseudo QMF(lik=
e the once in MP3) you c...
Sanjay S - Feb 2 2005
I'm currently doing my major project on Non-uniform filter bank theory and application. I need your help and suggestions based the design of a non-uniform cosine-modulated filt...
alexander lerch - Jul 14 2003
the models used by the ISO code are usually described quite
well in the standard. However, these models are not optimized
to work too good. :-)
Principally, the psychoacou...
Ord Millar - Oct 17 2011
I am working on a project that plays MP3 or WAV files, and part of it
involved having LED's that vary in intensity according to the audio
level in 4 bands.
Pradeep Hegde - Mar 16 2010
this pdf explains a little about temporal masking,
mp3 standard ( iso 11172-3 ) calls it "pre echo...