What Is Word Error Rate? Why Vendor WER Numbers Mislead
WER = (substitutions + deletions + insertions) / reference words. Why a single vendor number is meaningless, and how to test ASR on your own calls.
Read the post →Writing about Arabic speech recognition, dialect coverage, GCC call-recording compliance, and the messy reality of transcribing real GCC calls.
WER = (substitutions + deletions + insertions) / reference words. Why a single vendor number is meaningless, and how to test ASR on your own calls.
Read the post →How speaker diarization works — VAD, speaker embeddings, clustering — what DER measures, and why mono telephony audio makes call-center diarization hard.
Read the post →Gulf business calls switch between Arabic and English mid-sentence. Why monolingual ASR fails on code-switching and what transliteration ambiguity does.
Read the post →Most vendors' "Arabic support" means Modern Standard Arabic — which nobody speaks on a call. The MSA-dialect gap, ISO 639-3 codes, and the WER cost.
Read the post →SNR is the strongest predictor of transcription accuracy. What SNR, LUFS, and speech activity measure, why 8 kHz telephony hurts, and the dB thresholds.
Read the post →Is it legal to record customer calls in Saudi Arabia? KSA PDPL scope, SDAIA enforcement since September 2024, cross-border transfer rules, SAMA retention windows, and a practical checklist.
Read the post →Is it legal to record calls in the UAE? How the federal PDPL, DIFC DP Law 5/2020, and ADGM DP Regulations 2021 treat call recordings, TDRA operator rules, DFSA/FSRA retention, and a compliance checklist.
Read the post →Where can call recordings and transcripts be stored for each GCC country? KSA, UAE, Qatar, Kuwait, Bahrain, and Oman residency rules, transfer mechanisms, and why EU hosting plus GCC worker nodes works.
Read the post →What must GCC call centres say before recording? Ready-to-use Arabic and English disclosure scripts, IVR placement, how consent works across all six states, and retention notices.
Read the post →How long must GCC call centres keep recordings and transcripts? Banking, insurance, and telecom retention windows (SAMA, DFSA, TDRA), deletion obligations, PII redaction, and audit trails.
Read the post →Stop trusting vendor WER claims. Benchmark ASR vendors on your own Arabic calls — sample selection, WER with jiwer, diarization scoring, cost modeling.
Read the post →A complete 100-point QA scorecard for Arabic call centers — greeting, compliance, resolution, soft skills — plus how transcription automates pre-scoring.
Read the post →Self-hosted Whisper vs per-minute APIs vs managed Arabic-first platforms — an honest TCO comparison: GPU costs, headcount, and API pricing at volume.
Read the post →How transcription analytics cuts Average Handle Time — silence and hold detection, repeat-contact mining, sentiment dips, and realistic 15-20% ceilings.
Read the post →A technical deep dive into Whisper vs. wav2vec2 on Gulf, Levantine, and Egyptian Arabic, with real WER numbers, code-switching behavior, and the evaluation pitfalls that trip most comparisons.
Read the post →Not all Arabic is the same Arabic. A field guide to Khaleeji regional variants, Levantine sub-dialects, Egyptian urban speech, and the code-switching patterns that actually show up in GCC business calls.
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