Liz Shaw's Analogue Digital Converter

Liz Shaw identifies this specialized electronic device in the Space Control computer room as the key tool to decode the alien message tape. After Taltalian's escape with the Brigadier in pursuit, the Doctor retrieves it. Liz and the Doctor then prepare to connect it to the tape, their hands moving quickly amid the room's humming consoles and scattered equipment, determined to extract the extraterrestrial message before conspirators strike again.

2 appearances

Purpose

Convert analogue audio from the alien message tape to digital signals for decoding and analysis

Significance

Unlocks the contents of the alien reply transmission, driving UNIT's investigation into the conspiracy and averting potential interstellar conflict sparked by human interference

Appearances in the Narrative

When this object appears and how it's used

2 moments

S7E13 · The Ambassadors of Death Part 2

Taltalian’s desperate hostage gambit

The analogue digital converter is identified by Liz as the key tool to decode the alien message tape, its specialized electronic components a stark contrast to the tension of the standoff. After Taltalian’s escape, the Doctor retrieves it, and Liz prepares to connect it to the tape, their hands moving quickly amid the room’s humming consoles. The converter symbolizes the shift from confrontation to action, as the Doctor and Liz pivot to decoding the message. Its role is functional yet critical, representing the technical means to uncover the truth hidden in the tape’s contents.

Before: Present in the Space Control Computer Room, identified by Liz as the tool needed for decoding.

After: Retrieved by the Doctor and prepared for use with the tape, now central to the next phase of the investigation.

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S7E13 · The Ambassadors of Death Part 2

Brigadier reveals Taltalian’s escape and prisoner

The analogue digital converter is identified by Liz as the key tool for decoding the alien message tape. After Taltalian’s escape, the Doctor retrieves it, and Liz prepares to connect it to the tape, signaling a shift in focus toward scientific analysis. The converter’s role in this event highlights the importance of technology in unraveling the extraterrestrial message and the collaborative efforts of the Doctor and Liz to achieve this.

Before: Present in the Space Control Computer Room, unnoticed until Liz identifies it as necessary for decoding the tape.

After: Retrieved by the Doctor and prepared for use by Liz, ready to process the alien message tape.

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