Philips DTR7510 Digital Terrestrial Receiver. Aspect ratio: 16:9 4:3 Letterbox 4:3 Pan Scan. Video formats supported: MPEG-2 MP@HL (high definition) MPEG-2 MP@ML (std definition), Audio formats supported: Dolby Digital MPEG layer I/II MP3, Image formats supported: JPEG. Processor clock speed: 240 MHz. Hard drive size: 88.9mm HDD (3.5" HDD), Hard drive capacity: 160 GB, HDD recording: Record failure alarm Record header message. Flash memory: 16 MB