mechanical paper presentations for btech be mtech students

.net ppt's

software ppt's

hardware ppt's

smart anteena
edge compact and edge classic
global positioning system
a high data rate frequency
fuzzy logic in control design
embedded systems
nanotechnology critical endeavor
third generation wireless technology
silicon-on-plastic
image processing
autoconfiguring artificial neural network
fuzzy logic in embedded systems
fuzzy coordination
bluetooth technology
frequency division multiplexing
latest smart card features
the socket interface
mobile computing
fault detection and failure tolerent
slammer worm
mms
gsm
wireless lan security
dcom
remote method invocation
ann
transparent networks
cyborgs and the realm of cybernetics
tool command language
dna computing
network custody system
caching scheme for routing in manet
voice over internet
e-cash
wi-fi
wireless internet telephony
embedded system
digital signature
atm
storage area network
wireless application protocol
firewalls
real time communication
itanium: 64 bit microprocessor
an intelligent cache system
voice over internet protocol
ethernet
smart card
rsa
bluetooth technology
domain name system
conditional access system
holographic memory
public key infrastructure
cdma
free space optics
analysing_the_performance of_turbo_codes
artificial_neural_networks
coding_of_digital_audio
contactless_smartcard
digital_display_technology
digital_image_processing
disrtibuted_systems
embedded_systems
embedded_systems_1
embedded_systems_2
fuzzy_logic
hiding_data_in_images by_simple_lsb_substitution
high_performance_dsp capability
intelligent_wireless vedio_camera
ipv4_ipv6_transition for_3g_evolution
matlab
micro_controllers cable_modems
microcontrollers
multiresolution_watermark based_on_wavelet_transform
new_trends_in_cryptography
organic_led
orthogonal_frequency division_multiplexing
satellite_communication
satellite_communication_1
secure_internet_verification based_on_image_processing
security_issuses
smart_card_based_access
smart_card_technology
smart_memories
spectral_based_replication
speech_recognition_using_dsp
tactile_sensing_system_using artificial_neural_networks
wavelet_transforms
wimax_emerging_wireless technology
wireless_lan_and_ieee_802
analysing_the_performance of_turbo_codes
artificial_neural_networks
coding_of_digital_audio
contactless_smartcard
digital_display_technology
digital_image_processing
disrtibuted_systems
embedded_systems
embedded_systems_1
embedded_systems_2
fuzzy_logic
hiding_data_in_images by_simple_lsb_substitution
high_performance_dsp capability
intelligent_wireless vedio_camera
ipv4_ipv6_transition for_3g_evolution
matlab
micro_controllers cable_modems
microcontrollers
multiresolution_watermark based_on_wavelet_transform
new_trends_in_cryptography
organic_led
orthogonal_frequency division_multiplexing
satellite_communication
satellite_communication_1
secure_internet_verification based_on_image_processing
security_issuses
smart_card_based_access
smart_card_technology
smart_memories
spectral_based_replication
speech_recognition_using_dsp
tactile_sensing_system_using artificial_neural_networks
wavelet_transforms
wimax_emerging_wireless technology
wireless_lan_and_ieee_802

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in this paper we present a modified adaptive bit-allocation scheme for coding of audio signals using psychoacoustic modeling. statistical redundancy reduction (lossless coding) generally gives compression ratios up to 2. we increase this ratio using perceptual irrelevancy removal (lossy coding). in this work mpeg-1 layer-1 standard for psychoacoustic modeling is used and compression is improved by modifying the bit-allocation scheme, which without using a second stage (lossless) compression, is giving results comparable to that of mp3 (which uses huffman coding as second stage). to increase this ratio further, some of the high frequency sub-bands which contribute less to the signal are removed. subjective evaluation is the best method to assess the quality of audio signals. original and reconstructed audio signals are presented to listeners that grade and/or compare them according to perceived quality. without quality degradation the achieved bit-rate is 90 kbps from original bit-rate 706 kbps. download the presentation from the below link download presentation