Engineering:Sony NW-A800
 | This article reads like a review rather than an encyclopedic description of the subject. (November 2008) |
 | |
| Manufacturer | Sony Corporation |
|---|---|
| Type | Portable media player ATRAC Audio Device [1] |
| Operating system | Sony Proprietary OS |
| Storage | 2 GB (NW-A805) 4 GB (NW-A806) 8 GB (NW-A808) Solid-state Drive |
| Display | 240x320 2" 262k TFT LED Backlight |
| Connectivity | WM-PORT USB 2.0 Compliant |
| Power | Li-Ion Battery non-user replaceable |
| Dimensions | 44.5 x 88.0 x 9.6 mm |
| Mass | 1.9 oz. |
| Predecessor | NW-S700 Series |
| Successor | NW-A810 Series |
| Related articles | SonicStage, ATRAC, Walkman |
The Sony NW-A80x, is a series of portable media players in the Walkman range of players, announced March 2007 and released on 19 May 2007. It was the first Walkman digital player with video capabilities.[1] Initially only the NW-A806 (4 GB) and the NW-A808 (8 GB) model were released. On 13 June 2007, Sony announced that the NW-A800 (2 GB) would be included in the series.
Design
The whole body is encased with metal, and has a glass covered 2.0" LCD display. The three control buttons below the display are arranged to make up the Walkman logo in the front. Additionally, there is a chrome colored strip made of polished metal surrounding the device. Overall, the design of NW A800/810 is in the same style with Sony's preceding Walkman model, NW-A1000/3000, which did not come to sale in United States. Both of them features a surrounding metal strip and arranged control buttons. The available color for NW-A810/800 model are black, white, purple and pink in Japan.
Operation
The NW-A800 series featured a mobile phone-like user interface. Navigation is handled via three circular controls on the front of the player: a power/option key, a back/home button, and a four-way control pad surrounding a central play/pause key. A dedicated volume rocker sits on the right edge of the player The walkman contains a 2" QVGA LCD screen, of which can be used horizontally or vertically.
The interface is composed of nine icons organized in a 3X3 square. Icons will be highlighted and magnified as you scroll through them. The operation system offers searching function, letting user be able to search for a song based on artist, album, release year and genre.
This player is an ATRAC Audio Device,[2] which relies on Sonicstage program to manage music. For music management and song transfer, this unit needs to use Sonicstage.
Specifications
| General | |
|---|---|
| Dimension | 43.8 x 88.0 x 9.1 mm |
| Weight | 53.1 g / 1.87 oz |
| Colours | Black, Blue, White, Silver, Pink |
| Output | 5 mW + 5 mW (16) |
| Frequency response | 20 to 20,000 Hz |
| Expansion Memory | N/A |
| FM/AM Radio | N/A |
| Screen | |
| Size | 2.0" |
| Resolution | QVGA (240x320 Pixels)6-bit 3 subpixels |
| Type | TFT LCD High Brightness Low Temperature Poly-silicon |
| Num. of colors | 262,144 (2^6^3) |
| Backlight | LED |
| Storage | |
| NW-A805 | 2 GB Approximately 500 songs at 128 kbit/s 7.5 hours of video at 384 kbit/s |
| NW-A806 | 4 GB Approximately 1000 songs at 128 kbit/s 15 hours of video at 384 kbit/s |
| NW-A808 | 8 GB Approximately 2000 songs at 128 kbit/s 30 hours of video at 384 kbit/s |
| Interface | |
| Headphone | 3.5 mm stereo minijack |
| Multiple connecting terminal | WM-PORT 22 pin, USB 2.0 compliant |
| Battery | |
| Usage | Approximately 33 hours of music (MP3 128 kbit/s) 8 hours of video (MPEG-4 384 kbit/s) |
| Charging | USB based Full charge : 3 hours 80% charge : 1.5 hours |
| Audio Format | |
| MP3 | Bitrate : 32–320 kbit/s, VBR Freq : 32, 44.1, 48 kHz |
| AAC | Bitrate : 16–320 kbit/s, VBR Freq : 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz Non-protected |
| WMA | Bitrate : 32–192 kbit/s, VBR Freq : 44.1 kHz Non-protected |
| ATRAC | Bitrate : 48–352 kbit/s Freq : 44.1 kHz Type : ATRAC, ATRAC3, ATRAC3Plus |
| ATRAC Advanced Lossless | Bitrate : 64–352 kbit/s (132 kbit/s for ATRAC3 base) Freq : 44.1 kHz |
| Video Format | |
| MPEG-4 | Extension : .mp4, .m4v Profile : MPEG-4 Simple Profile Max bitrate : 2,500 kbit/s |
| Memory Stick Video[3] | Extension : .mp4 Profile : H.264/AVC Baseline Profile Level 1.2 & 1.3 Max bitrate : 768 kbit/s |
| Audio | Profile : AAC-LC, 2 channels Max bitrate : 288 kbit/s/channel Freq : 24, 32, 44.1, 48 kHz |
| Features | |
| Audio | Clear Stereo Clear Bass Digital Sound Enhancement Engine Virtual Phone Technology (VPT) surround:[4] 4 types 5-band equalizer : 4 presets and 2 custom presets Dynamic Normalizing Time shuffle machine |
| Other | Gapless playback support with ATRAC codec Bluetooth compatible with separate plug-in accessories (availability may vary) High Quality 30 frame/s max. video playback |
Internal layout
The following image shows an NW-A805 player opened. On the left hand side you can see the battery, on the right hand side the electronic board.
See also
References
External links
 |
