Monday, January 29, 2007

inline skate shops

the skate shop
Nett racing
Black Diamond Sports
Weber sports
Adams Inline
The Skate Guy
North Texas Skate Sales
Bont, Powerslide, Raps boots

Friday, January 26, 2007

Unlicensed transmission

FM: 250 uV/m at a distance of 3 meters from the antenna, 87.6 MHz to 107.9 MHz.
AM: 100 milliwatts (0.1 watt)

FM Transmitter
A Beginner's Guide to Low-Power FM Broadcasting

HobbyTron Low Power FM Transmitters
AM/FM Broadcasters
fmtv RF parts and transmitters
The Official Pirate Radio Kit Site

Wednesday, January 24, 2007

Digital Broadcasting

Digital Radio

HD Radio using IBOC

DAB DMB Digital Audio Broadcasting, Digital Multimedia Broadcasting with VHF band and DAB ensemble
DRM Digital Radio Mondiale using in-band on-channel

Digital Television

DVB DVB-T Digital Video Broadcasting COFDM 64-QAM
ATSC 8VSB 19.39 Mbit/s

Digital Cable

HD Digital Cable
Open Cable DVB-C 256-QAM 38.4 Mbit/s

Thursday, January 18, 2007

Studio Monitor

Loudspeakers: For Music Recording And Reproduction By Keith Holland
Recording Studio Design By Philip Newell
Auratone 5C -> Yamaha NS-10M -> Roland DS-50A

世界10大知名監聽音箱評比
建構個人數位錄音環境
Recording and sound effect equipments

Yamaha Pro Audio Powered Monitor Speakers
Yamaha Pro Audio Japan Speaker
Yamaha Pro Audio History
国内专业数字音乐网站-midifan发表"YAMAHA HS80M监听音箱测评文章"

MSP Studio monitors: MSP7 STUDIO, MSP5 STUDIO, Subwoofer SW10 STUDIO
MSP5A, MSP3, MS101 II
HS Series monitors: HS50M $200, HS80M $350, HS10W
MS101 III
NS10M NS10s near-field active powered near-field speakers

ADAM Audio, Alesis, Dynaudio Acoustics, Fostex, Genelec, JBL, KRK Systems, M-Audio, Tannoy and Yamaha.

Event
ASP8 $650 35Hz–20kHz ±3dB
ASP6 $500 40Hz–20kHz ±3dB
TR8XL $300 35Hz–20kHz ±3dB
TR8 $250 35Hz–20kHz ±3dB
TR6 $200 45Hz–20kHz ±3dB
ALP5 $165 53Hz-20kHz ±3dB

KRK VXT
VXT 8 $600 37Hz-22kHz ±1.5dB
VXT 6 $450 49Hz-22kHz ±1.5dB
VXT 4 $300 56Hz-22kHz ±2dB
KRK V Series 2
V8 42Hz-20kHz ±1.5dB
V6 55Hz-20kHz ±1.5dB
V4 62Hz-20kHz ±2dB
KRK Rokit Powered
RP8 $250 45Hz-20kHz ±1.5dB
RP6 $200 49Hz-20kHz ±1.5dB
RP5 $150 53Hz-20kHz ±2dB
RP10S $300 36Hz-50Hz ±1.5dB to 130Hz

Dynaudio
BM 6A MK II $750 40Hz-21kHz ±3dB
BM 6A 41Hz-21kHz ±3dB

M-Audio
EX66 $600 37Hz–20kHz
BX8a $250 40Hz-22kHz

tapco S8 $250 40Hz-20kHz ±3dB

Fostex
PM-2 MKII $240 50Hz-20kHz ±2dB, 40Hz-22kHz -10dB
PM-1 MKII $190 50Hz-20kHz ±2dB, 38Hz-23.5kHz -10dB
PM0.5 MKII $140 50Hz-20kHz ±2dB, 40Hz-22kHz -10dB
PM0.4 $75 60Hz-30kHz ±2dB, 60Hz-22kHz -10dB
PM0.5-Sub MKII $180 25Hz-85Hz, $400 with PM0.5 system

Headphones
Sony MDR-7506, MDR-V6, AKG K-240

音樂與音效製作 Music Production

THX approved pm3 studio loudspeakers Mackie Designs HRS-824, HRS-624, HRS-120, JBL LSR-25P, LSR-6312SP $1300 28Hz-80Hz -6dB

Yamaha
MSP7 Studio $600 45Hz-40kHz -10dB
HS80M $350 42Hz-20kHz -10dB
HS10W $400 30Hz-180Hz -10dB

JBL
LSR6328P $1300 70Hz-20kHz +1-2dB
LSR6325P-1 $340 70Hz-20kHz +1-2dB, 5.1 surround package $2600
LSR6312SP $1450, 28Hz-80Hz -6dB, 26Hz -10dB
LSR4328P $1400 pair, 50Hz-20kHz ±1.5dB, 43Hz-22kHz -3dB, 35Hz-32kHz -10dB
LSR4326P $1000 pair, 55Hz-20kHz ±1.5dB, 47Hz-22kHz -3dB, 39Hz-32kHz -10dB
LSR4312SP $940, 27Hz-250Hz, -6dB

Mackie HR824 $500 39Hz-20kHz ± 1.5dB, 37Hz-22Hz -3dB
Mackie HR624 $450 52Hz-20kHz ± 1.5dB, 49Hz-22Hz -3dB
Mackie HRS120 $1100 21Hz-150Hz ±1.5dB, -3dB at 19Hz
Mackie HRMK2 Series
HR824MK2 $600 37Hz-20kHz ±1.5dB, 35Hz-22Hz -3dB
HR624MK2 $450 49Hz-20kHz ±1.5dB, 45Hz-22Hz -3dB
Mackie MR Series
MR8 $250 40Hz-20kHz ±3dB
MR5 $150 60Hz-20kHz ±3dB

Harmony Central Electronic Musician Buying Guide

Monitors with TRS
M-Audio Studiophile AV 40 4" 15W 1" TRS, RCA $149
M-Audio DX4 4" 18W 1/4" TRS, RCA $149

Digital inputs
Edirol MA-15D: Digital Stereo Micro Monitors S/PDIF, RCA 4" 2" 15W+15W
Roland DM-10 S/PDIF, RCA 3.5" 2" 10W+10W
Edirol MA-10D S/PDIF, RCA 3.5" 2" 10W+10W
Logitech Z906 5.1 THX-certified 3" 5x67W + 8" 165W

Small inexpensive monitors $99
M-Autio StudioPro 3 3.25" 100Hz-20kHz ±3dB, 10W, RCA, 1/8"
Edirol MA-7A 3 9/16" 7W, RCA, 1/8"
Alesis M1Acrive 320 USB 3", 80Hz–20kHz, 10W, RCA, 1/4", 1/8"
Tascam VL-S21 5W + 15W Sub
Edirol MA-1EX USB 2.5", 100Hz-20kHz, 0.75W $49

USB Powered Speakers
Edirol MA-1EX 2.5", 100Hz-20kHz, 0.75W x 2, 3 1/2 x 2 1/8 x 5 1/8 $49
Logitech V20 Notebook Speakers 2", 70Hz-20kHz, 1W x 2, 6.44"x3.125"x1.5" $69
Altec Lansing BXR1220 2", 180Hz-20kHz(-10dB), 2.8"x4.8"x3.7" $19.95

Tuesday, January 16, 2007

Surround Sound on HD Radio

Surround solution such as Dolby, SRS and Neural Audio. have been certified by iBiquity and are currently supported.
HD Digital Radio Products

SRS Circle Surround Automotive Technology CS Auto = FOCUS + TruBass + Circle Surround
"Automotive" Related Products Featuring SRS Technology

Neural Radio Neural Surround

Dolby Pro Logic II Surround Sound for Stereo Broadcast Transmissions

HDRadio Chipset
Texas Instruments (TI), ST Microelectronics, NXP (Philips), Samsung and Siport,
High Fidelity Radio

1.5 Million HD Radio Chips Shipped To Date Texas Instruments (DRI200, DRI250, DRI302, DRI352 processors) and NXP (3550 and 3555)
Texas Instruments (DRI4xx processor) and NXP (3560) next generation chips
Samsung, SiPort and STMicroelectronics - portable low power
HD Radio chip marks SiPort's recovery

Friday, January 12, 2007

Cellphone Wireless Coverage Maps

RootMetrics cellular performance comparison map
RootMetrics rootscore

Verizon
All covered by LTE, 3G, Data, Voice
OLD: All covered with BroadbandAccess & VCAST

Sprint
Voice: Good, Good, Good, Good
Data: 3G, 3G, 3G, 3G
OLD: Good 3+, Best 5+, Good 3+, Good 3+, (Best: outdoors, car, many buildings) (Good: outdoors, car, some buildings) (Fair: outdoors) + for Sprint Mobile Broadband Network

Cingular/AT&T
Voice: Best, Best, Best, Best
Data: LTE, LTE, LTE, LTE
OLD: Good 3+, Good 3+, Moderate 2+, Moderate 2+, (Best: most in-buildings) (Good: on-street, in-the-open, most in-vehicles, some in-buildings) (Moderate: on-street or in-the-open) + for 3G Mobile Broadband

T-Mobile
2G: Good, Good, Satisfactory, Satisfactory
3G/4G(1700Mhz): Excellent, Excellent, Good, Good

OLD: coverage incleased 1, 3+, 4+, 3+, 3+ ((5 dropped), 4: outdoors, car, most buildings) (3: outdoors, car, some buildings) (2: outdoors) (1: ...) + for 3G

Wednesday, January 10, 2007

Quick Reference on often used Ghostscript PDF options

Quick Reference on often used Ghostscript PDF options

merge pdf files:
gs -q -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=fileout.pdf filein.ps filein2.pdf

How to concatenate PDFs without pain

Monday, January 01, 2007

Phone Finder Results (Phone Scoop)

have GSM 850
have Memory Card Slot (MMC or RS-MMC 3v or RS-MMC 1.8v / MMCmobile or MMCmicro or SD / MMC or miniSD or microSD / TransFlash or Memory Stick Duo or M2 (Memory Stick Micro))
have Speaker Phone
have Video Capture
have Wi-Fi