| # | Table Name | Field Name | Field Definition | Data Type | Enumerated Values |
| 1 | audiosrc | analog_digi_flag | Indicator of the how this entity is describe in the METS document instance. | Enumerated Type | Analog, PhysDigital, FileDigital |
| 2 | audiosrc | audio_block_size | Size of an audio block in bytes. | Large signed number | NONE |
| 3 | audiosrc | audio_data_encoding | Structure for audio data; current known types are pulse code modulation (PCM) and SONY's DSD structure. | Suggested Enumerated Type | NONE |
| 4 | audiosrc | base_material | Base material of the source sound recording, e.g., plastic, glass, vinyl, metal, wax, polycarbonate, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 5 | audiosrc | binder | Type of adhesive used to bind recording surface to base material, e.g., CA (cellulose acetate) , PVC (polyvinyl chloride) etc. MAVIS terms exist. | SBCS(255) | NONE |
| 6 | audiosrc | bits_per_sample | Number of bits per audio sample, e.g., 16, 20, 24, etc. | Large signed number | NONE |
| 7 | audiosrc | calibration_ext_int | Indicator that the calibration information is contained within the file or externally. | SBCS(255) | NONE |
| 8 | audiosrc | calibration_location | Temporary location of the calibration file if it is external, e.g. URL. | SBCS(255) | NONE |
| 9 | audiosrc | calibration_type | Type of calibration, e.g., the ITU test sequences known as CCITT 0.33.00 (mono) and CCITT 0.33.01 (stereo). | SBCS(255) | NONE |
| 10 | audiosrc | codec_creator_app | The name of the application used to apply the codec, e.g., SoundForge. | SBCS(255) | NONE |
| 11 | audiosrc | codec_creator_app_version | The version of the application used to apply the codec, e.g., 5.2. | SBCS(255) | NONE |
| 12 | audiosrc | codec_name | The name and version (or subtype) of the compression algorithm used, e.g., Frauenhofer xyz ["xyz"] is a placeholder for versioning information]. | SBCS(255) | NONE |
| 13 | audiosrc | codec_quality | Indication whether the codec is lossy or lossless. | Enumerated Type | Lossy, Lossless |
| 14 | audiosrc | condition | Narrative description of the physical condition of the item, e.g., brittle paper, sticky shed tape, chipped disc, etc. MAVIS terms exist for "condition," "side condition," and "sound quality." | SBCS(2000) | NONE |
| 15 | audiosrc | data_rate | Data rate of the audio in an MP3 or other compressed file, expressed in kbps, e.g., 64, 128, 256, etc. | Large signed number | NONE |
| 16 | audiosrc | data_rate_mode | Indicator whether the data rate is fixed or variable. | Enumerated Type | Fixed, Variable |
| 17 | audiosrc | dimensions_depth | Depth of the object in the unit of measure indicated in dimensions_unit, e.g., 7, 12. | Large signed number | NONE |
| 18 | audiosrc | dimensions_diameter | Diameter of any circular object expressed in the unit of measure indicated in dimensions_unit, e.g., 3.5, 5, 7. | Large signed number | NONE |
| 19 | audiosrc | dimensions_height | Height of the object in the unit of measure indicated in dimensions_unit, e.g., 23. | Large signed number | NONE |
| 20 | audiosrc | dimensions_note | Desciption of odd-shaped objects that cannot be described using the standard dimensions fields. | SBCS(2000) | NONE |
| 21 | audiosrc | dimensions_unit | Unit of measurement of the source object, e.g., inches. | SBCS(255) | NONE |
| 22 | audiosrc | dimensions_width | Width of any non-circular object expressed in the unit of measure indicated in dimensions_unit, e.g., 3.5, 5, 7. | Large signed number | NONE |
| 23 | audiosrc | disc_surface | Information regarding the disk surface of the analog recording, e.g., aluminium, celluloid, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 24 | audiosrc | disposition | What became of the source item, e.g., reshelved on shelf number 1234, discarded, loaned to XYZ organization, destroyed, etc. | SBCS(2000) | NONE |
| 25 | audiosrc | duration | Elapsed time of the entire file, expressed using ISO 8601 syntax; see http://www.w3.org/TR/NOTE-datetime. | SBCS(255) | NONE |
| 26 | audiosrc | equalization | Equalization system inherent in source recording, e.g., FFRR (Full Frequency Range Recording), RIAA (Recording Industry Association Of America), etc. MAVIS terms exist. | SBCS(255) | NONE |
| 27 | audiosrc | first_sample_offset | Location of the first valid sound byte in the file. | Large signed number | NONE |
| 28 | audiosrc | first_valid_byte_block | Location of the first valid sound byte in the block. | Large signed number | NONE |
| 29 | audiosrc | gauge | Gauge or width of source tape, including indication of unit of measure, e.g., 8 mm, 0.5 inch, 0.25 inch, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 30 | audiosrc | generation | Generation of physical source item which was digitized, e.g., studio master, original disc, preservation tape copy, etc. | SBCS(255) | NONE |
| 31 | audiosrc | groove | Groove type of audio source, e.g., standard groove, hill and dale cutting, microgroove, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 32 | audiosrc | last_valid_byte_block | Location of the last valid sound byte in the block. | Large signed number | NONE |
| 33 | audiosrc | length | Length of source open-reel tape recording, including indication of unit of measure, e.g., 700 feet, 1200 feet, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 34 | audiosrc | noise_reduction | Noise reduction system inherent in source recording, e.g., DA ( Dolby A), DB ( Dolby S), FL (Flat) etc. MAVIS terms exist. | SBCS(255) | NONE |
| 35 | audiosrc | note | Additional information about the audio source item. | SBCS(2000) | NONE |
| 36 | audiosrc | num_channels | Number of audio channels, e.g., 1, 2, 4, 5, etc. | Large signed number | NONE |
| 37 | audiosrc | num_sample_frames | The number of frames within an audio file. | Large signed number | NONE |
| 38 | audiosrc | oxide | Type of oxide used for the coating of a tape recording, e.g., cobalt modified, chromium dioxide, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 39 | audiosrc | phys_format | Name for the physical format of the source e.g., Record, Audiocassette, etc. | SBCS(255) | NONE |
| 40 | audiosrc | reflective_layer | The substrate of an optical disk. | SBCS(255) | NONE |
| 41 | audiosrc | sampling_frequency | Rate at which the audio was sampled, expressed in kHz, e.g., 22, 44.1, 48, 96, etc. | Large signed number | NONE |
| 42 | audiosrc | sound_channel_map | Information about the channel configuration, e.g., mapping the audio channel to their intended aural position/loudspeakers. The values represent parseable compound metadata using commas as separators, e.g., 1=left_front, 2=right_front, 3=center, 4=left_ | Suggested Enumerated Type | NONE |
| 43 | audiosrc | sound_field | Indicates aural space arrangement of the sound recording, e.g., monaural, stereo, joint stereo, surround sound DTS 5.1, etc. MAVIS codes exist. | Suggested Enumerated Type | NONE |
| 44 | audiosrc | speed | Nominal speed of the source recording, including indication of the unit of measure, e.g., 1 7/8 ips, 4.75 cm/s, 15 ips, 78 rpm, 45 rpm, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 45 | audiosrc | speed_adjustment | Speed actually used at playback expressed as a percentage of nominal speed, e.g., 90 or 110. | Large signed number | NONE |
| 46 | audiosrc | speed_note | Note to state actual speed as a number (73 rpm) or to state a deviation such as "corrected to C sharp pitch. | SBCS(255) | NONE |
| 47 | audiosrc | stock_brand | Manufacturer and stock number for source recording, e.g., Scotch 208, Ampex 407, Webco steel wire, Quik-cut 3215 acetate disc, etc. MAVIS terms exist. | SBCS(255) | NONE |
| 48 | audiosrc | tape_thickness | The thickness of a tape. | SBCS(255) | NONE |
| 49 | audiosrc | time_stamp | Exact location of calibration tones within a file. | SBCS(255) | NONE |
| 50 | audiosrc | track_format | Track format of a magnetic tape, e.g., full track, half track, quarter track stereo, video HiFi, etc. MAVIS terms exist as "signal format." | SBCS(255) | NONE |
| 51 | audiosrc | tracking_type | The type of tracking code, e.g., MAVIS number, actual shelf numbers, bar-code, etc. | SBCS(255) | NONE |
| 52 | audiosrc | tracking_value | Shelf number or other identifier for source, e.g., MAVIS number, actual shelf numbers, etc. | SBCS(255) | NONE |
| 53 | audiosrc | word_size | Number of bytes that comprise a single sample of audio data, which generally maps to bits_per_sample. Files with a bit depth of 24 will usually be expressed as a 3-byte word_size; however, some applications may store 24-bit audio in a 4-byte word. | Large signed number | NONE |