Speech Audiometry Channel
AssemblyLive-voice and recorded-speech input path with VU metering, plus a talkback microphone so the operator hears the patient in the booth. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Speech Audiometry Channel
6 top-level lines as of r7756| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Operator Gooseneck Microphone | audiometer-operator-microphone | 1× | 1 | · | part |
| 2 | Talkback Microphone | audiometer-talkback-mic | 1× | 1 | · | part |
| 3 | Recorded Speech Line Input | audiometer-line-input | 1× | 1 | · | part |
| 4 | Speaker | speaker | 1× | 1 | · | part |
| 5 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 60× | 60 | · | part |