Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Format name | Container | Video coding | Bit depth | Color sampling | Frame size | Video bit rate, Mbit/s | Audio coding |
| --- | --- | --- | --- | --- | --- | --- | --- |
| DVCAM | MXF , DV-AVI | DV | 8.0 | 4:2:0 | 720x576 | 25 (CBR) | PCM 4 ch/16 bit/48kHz |
| DVCAM | MXF , DV-AVI | DV | 8.0 | 4:1:1 | 720x480 | 25 (CBR) | PCM 4 ch/16 bit/48kHz |
| MPEG IMX | MXF | MPEG-2 422P@ML | 8.0 | 4:2:2 | 720x576 | 30 (CBR), 40 (CBR), 50(CBR) | PCM 8 ch/16 bit/48kHz, or 4 ch/24 bit/48kHz |
| MPEG IMX | MXF | MPEG-2 422P@ML | 8.0 | 4:2:2 | 720x480 | 30 (CBR), 40 (CBR), 50(CBR) | PCM 8 ch/16 bit/48kHz, or 4 ch/24 bit/48kHz |
| MPEG HD | MXF, MP4 | MPEG-2 MP@H14/HL | 8.0 | 4:2:0 | 1920x1080 | 35 (VBR) | PCM 4 ch/16 bit/48kHz |
| MPEG HD | MXF, MP4 | MPEG-2 MP@H14/HL | 8.0 | 4:2:0 | 1440x1080 | 18 (VBR), 25 (CBR), 35 (VBR) | PCM 4 ch/16 bit/48kHz |
| MPEG HD | MXF, MP4 | MPEG-2 MP@H14/HL | 8.0 | 4:2:0 | 1280x720 | 25 (CBR), 35 (VBR), 19 (CBR) | PCM 4 ch/16 bit/48kHz |
| MPEG HD422 | MXF | MPEG-2 422P@HL | 8.0 | 4:2:2 | 1920x1080 | 50 (CBR) | PCM 8 ch/24 bit/48kHz, or 4 ch/24 bit/48kHz |
| MPEG HD422 | MXF | MPEG-2 422P@HL | 8.0 | 4:2:2 | 1280x720 | 50 (CBR) | PCM 8 ch/24 bit/48kHz, or 4 ch/24 bit/48kHz |
| Proxy AV | MXF | MPEG-4 Part-2 (ASP) | 8.0 | 4:2:0 | CIF (50i - 352x288) | 1.5 | A-Law 4 ch/8 bit/8kHz |
Question:
What frame size has pcm 4 ch/16 bit/48khz as audio coding and dvcam as the format name and 4:1:1 as the color sampling?
Answer:
720x480