New Scenarios forNew Scenarios forPortable Media UsagePortable Media Usage

David ProctorDavid ProctorHardware LeadHardware LeadMicrosoft Portable Media CentersMicrosoft Portable Media Centers

New TechnologiesNew Technologies The Microsoft Portable Media Centers support The Microsoft Portable Media Centers support

several key technologies that will have a significant several key technologies that will have a significant effect on portable HDD requirementseffect on portable HDD requirements Video playbackVideo playback Windows Media Audio Lossless (WMA Lossless)Windows Media Audio Lossless (WMA Lossless) Portable Digital Rights Management (Portable DRM)Portable Digital Rights Management (Portable DRM) Photo storagePhoto storage

Future Portable Media Centers may supportFuture Portable Media Centers may support Video recordingVideo recording Wireless NetworkWireless Network

These technologies will drive requirements forThese technologies will drive requirements for CapacityCapacity Transfer RateTransfer Rate PowerPower

Video playbackVideo playback Portable Media Centers today supportPortable Media Centers today support

800 Kbit/sec WMV9 QVGA800 Kbit/sec WMV9 QVGA

Portable Media Centers by 2007 will supportPortable Media Centers by 2007 will support ~3 Mbit/sec WMV9 Standard Definition TV ~3 Mbit/sec WMV9 Standard Definition TV

(VGA/D1)(VGA/D1) ~8 Mbit/sec WMV9 High Definition TV~8 Mbit/sec WMV9 High Definition TV

Adoption of TV recording to PC and online Adoption of TV recording to PC and online Movie download services are growing as fast Movie download services are growing as fast as .mp3 use was growing 5 years agoas .mp3 use was growing 5 years ago

20 hrs of TV or 10 movies20 hrs of TV or 10 movies 8 GBytes today8 GBytes today 80 GBytes by 200780 GBytes by 2007

WMA LosslessWMA Lossless

WMA Lossless is a true lossless CD quality WMA Lossless is a true lossless CD quality formatformat

Compresses CD quality .WAV files 2x – 3xCompresses CD quality .WAV files 2x – 3x High bit rate – ~700,000 bit/secHigh bit rate – ~700,000 bit/sec Greater than 4x typical MP3 bit rateGreater than 4x typical MP3 bit rate

Windows Media Player 10 includes support Windows Media Player 10 includes support for ripping CDs to WMA Losslessfor ripping CDs to WMA Lossless

Portable Media Centers are the first portable Portable Media Centers are the first portable devices to support WMA Lossless playbackdevices to support WMA Lossless playback

1,000 songs1,000 songs 4 GBytes today4 GBytes today 16 GBytes by 200716 GBytes by 2007

Portable Digital Rights ManagementPortable Digital Rights Management

Portable DRM allows you to take your Portable DRM allows you to take your subscription content with yousubscription content with you Now you can fill your 10,000 song Now you can fill your 10,000 song

portable audio player legally without portable audio player legally without paying $10,000paying $10,000

For <$20/month you can get access to a For <$20/month you can get access to a service’s entire music libraryservice’s entire music library

With Portable DRM you may re-synch With Portable DRM you may re-synch 10,000 songs every time you connect10,000 songs every time you connect

Photo StoragePhoto Storage

5 Mega-Pixel cameras will produce 5 Mega-Pixel cameras will produce ~3MByte photos~3MByte photos

A slide show set to 5 seconds per A slide show set to 5 seconds per pictures will require 4.8 Mbit/secpictures will require 4.8 Mbit/sec This is 6x faster than today’s video and This is 6x faster than today’s video and

almost as fast as High Def videoalmost as fast as High Def video

>1,000 photos (3 GBytes) will be >1,000 photos (3 GBytes) will be commoncommon

10,000 photos (30 GBytes) reasonable 10,000 photos (30 GBytes) reasonable over a 5 year periodover a 5 year period

HDD RequirementsHDD Requirements

Portable music player HDDs from 2001 Portable music player HDDs from 2001 to 2004to 2004 5 GBytes in 2001 to 40 GBytes in 20045 GBytes in 2001 to 40 GBytes in 2004 1.8” in 2001 to 1.0” in 20041.8” in 2001 to 1.0” in 2004

Requirements for HDDs in 2007Requirements for HDDs in 2007 Music scenarios will improveMusic scenarios will improve Video and other new scenarios will growVideo and other new scenarios will grow Fundamentals need to improveFundamentals need to improve

Cost, Power, Size, ReliabilityCost, Power, Size, Reliability

Capacity RequirementsCapacity Requirements

Typical media lover in 2007Typical media lover in 2007 1,000 purchased songs in WMA Lossless – 24 GBytes1,000 purchased songs in WMA Lossless – 24 GBytes 10,000 subscription songs in 128Kbps WMA – 43 GBytes10,000 subscription songs in 128Kbps WMA – 43 GBytes 40 hours of Standard Definition TV/Videos – 54 GBytes40 hours of Standard Definition TV/Videos – 54 GBytes 1,000 Photos – 3 GBytes1,000 Photos – 3 GBytes TOTAL = 124 GBytesTOTAL = 124 GBytes

Anything less requires the user to pick and Anything less requires the user to pick and choose what to take with them and what to choose what to take with them and what to leave on their desktopleave on their desktop

Power user in 2007Power user in 2007 2,000 purchased songs, 10,000 photos, recorded 2,000 purchased songs, 10,000 photos, recorded

Hi-Def videos and TV may have more than Hi-Def videos and TV may have more than 300GBytes!300GBytes!

Transfer Rate RequirementsTransfer Rate Requirements The music sync scenario todayThe music sync scenario today

Sync all your music once when device is first Sync all your music once when device is first purchasedpurchased

Sync 1 new album occasionallySync 1 new album occasionally Songs are ~4 Mbytes eachSongs are ~4 Mbytes each 20Mbit/sec to 80Mbit/sec is acceptable20Mbit/sec to 80Mbit/sec is acceptable

The sync scenario with Portable DRMThe sync scenario with Portable DRM Sync 10,000 songs every week ~40GBytesSync 10,000 songs every week ~40GBytes 80Mbit/sec requires > 1 hour80Mbit/sec requires > 1 hour

The video sync scenarioThe video sync scenario Sync 4 hours of TV from last night ~6GBytesSync 4 hours of TV from last night ~6GBytes 80Mbit/sec requires > 10 minutes80Mbit/sec requires > 10 minutes

Transfer Rate for PlaybackTransfer Rate for Playback

Playing back 800Kbps today uses < 5% Playing back 800Kbps today uses < 5% of the system busof the system bus 95% is needed to keep video playing 95% is needed to keep video playing

glitch freeglitch free 2007 video will require 10x data and still 2007 video will require 10x data and still

need to leave enough system bus need to leave enough system bus bandwidth for video to play glitch freebandwidth for video to play glitch free

Power RequirementsPower Requirements

Playing back 800Kbps today, HDD is on ~ 5% Playing back 800Kbps today, HDD is on ~ 5% of the timeof the time Total system power is ~ 1.20 WattsTotal system power is ~ 1.20 Watts Only 0.05 Watts (5% of 1.00 Watt) is HDDOnly 0.05 Watts (5% of 1.00 Watt) is HDD

2007 video will require 10x data – 8Mbit/sec2007 video will require 10x data – 8Mbit/sec HDD will need to support 160Mbit/sec sustained HDD will need to support 160Mbit/sec sustained

over 32MByte buffer in order to keep same over 32MByte buffer in order to keep same impact on system powerimpact on system power

Spin-upSpin-up A significant portion of the buffer fill time is disk A significant portion of the buffer fill time is disk

spin up. This is power wasted because no data spin up. This is power wasted because no data is being transferred.is being transferred.

Closing ThoughtsClosing Thoughts

Competition for HDDsCompetition for HDDs Is it Flash memory?Is it Flash memory?

4Gbyte removable cards for ~$99 in 20074Gbyte removable cards for ~$99 in 2007

Or is it wireless?Or is it wireless? When high speed wireless access is ubiquitous, why When high speed wireless access is ubiquitous, why

have a HDD when I can stream from my home PC or a have a HDD when I can stream from my home PC or a service over wireless internet?service over wireless internet?

Wi-Fi hotspots are growing fastWi-Fi hotspots are growing fast WiMax will ship in laptops by 2006WiMax will ship in laptops by 2006 Cell Phone standard data rates growing fastCell Phone standard data rates growing fast

Thank YouThank You