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Defenders facing voice-identification testimony from FBI Voice Analysis Unit or comparable expert.

Daubert Challenge — Voice Spectrography / Aural-Spectrographic ID

FRE 702 motion to exclude voiceprint / spectrographic voice ID testimony. IAFPA 2007 + NRC 1979 grounded.

File the FRE 702 motion citing the IAFPA 2007 resolution that dissociates the field from the voiceprint method — and the NRC 1979 review the resolution rests on. The professional association's own repudiation is the cleanest Daubert-foundation cite.

“IAFPA dissociates itself from the approach to forensic speech comparison known as the 'voiceprint' or 'voicegram' method.”

International Association for Forensic Phonetics and Acoustics, 2007 Annual Conference resolution (Plymouth, UK)(opens in new tab)
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What this template gives you that the discipline-specific treatise does not.
  1. 01.

    Voice spectrography reliability has been rejected by multiple state appellate courts; the federal posture is jurisdiction-by-jurisdiction.

  2. 02.

    Speaker variability (illness, recording medium, emotional state) is a cross-exam vector NRC 1979 explicitly flagged.

  3. 03.

    If the prosecution's voice ID expert hasn't disclosed error rate per NRC 1979's caution requirement, the foundation is contestable.

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Daubert — Voice Analysis — Case details

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Court the matter is pending in. Stamps the brief cover and informs which circuit-level FRE 702 doctrine to flag in the motion language.

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Frequently asked questions.

What does the brief contain?

Seven sections: cover (your case identifier + jurisdiction stamped on), reliability standard recap (Daubert v. Merrell Dow factors), the lead authority's verbatim finding with source URL, the cumulative-error history with cited exonerations / IG audits / appellate opinions, recommended FRE 702 motion language (~250 words editable), a 10-15 question cross-examination question bank, and the methods + source URLs bibliography.

Is this legal advice?

No. The template is a research artifact modeled on the published critique literature for this discipline. Counsel of record adapts the motion language to the controlling circuit's FRE 702 doctrine and the facts of the case before filing.

How fast is delivery?

Stripe checkout completes in seconds; the PDF is emailed to the address you provide. Templates are pre-built — there is no per-case data pipeline running.

Do you cite anything I cannot independently verify?

No. Every citation in every brief carries a source URL stored alongside. Lead authorities are PCAST 2016, NAS 2009 / 2014, NRC 1979 / 2003, FBI/DOJ 2015. All are public-domain and linked to their original publication pages.

Refund policy?

7-day full refund, no questions asked.

Daubert — Voice Analysis | BenchRecon — BenchRecon