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FAQs (PSP)

…SPE. in FAQ Speech Platform Permalink Q: How do I get results for a pending operation? A: If server responds on pending request by status 200 – OK, the body of the response will have the result inside (server already has the result in cache memory and there is no need to process the file again). If server responds on…

Q: How do I get results for a pending operation?

A: If server responds on pending request by status 200 – OK, the body of the response will have the result inside (server already has the result in cache memory and there is no need to process the file again). If server responds on pending request by status 202 – Accepted, server will create task and server will begin to…

Phonexia Speech Engine

…✓ Voice Activity Detection (VAD) ✓ ✓ Time Analysis Extraction (TAE) ✓ ✓ Speech Quality Estimation (SQE) ✓ ✓ Language Identification (LID) ✓ Gender Identification (GID) ✓ Age Estimation (AGE) ✓ Speaker Diarization (DIAR) ✓ Results caching Processing results can be optionally stored in results cache database to speed up eventual re-processing of the same recordings by the same technology…

Sizing of the computing units for speech technologies

…VT features can’t help in performance) Also seek for CPUs with a large L3 cache. And the better CPUs are those with higher l3_cache_size/#_of_physical_CPU_cores ratio. We currently assume that CPUs from the current Intel Xeon Family in the 4th generation are the best. For small computation tasks, i7 family CPUs also have reasonable price/performance ratio) Big challenge: correct SPE3/Speech platform…

Understand SPE executable files

…See POST /audiofile endpoint documentation for details. phxclient: example 2 phxclient /login=admin /password=phonexia /method=GET /uri=”127.0.0.1:8600/technologies/stt/?path=/myfile.wav&model=en_us_6&result_type=one_best,n_best&cache_disable=true” ./phxclient –login=admin –password=phonexia –method=GET –uri=”127.0.0.1:8600/technologies/stt/?path=/myfile.wav&model=en_us_6&result_type=one_best,n_best&cache_disable=true” Process myfile.wav file stored in the root of SPE internal storage – e.g. uploaded using the previous example – using the Speech To Text (STT) technology model EN_US_6 (6th generation English), returning one_best and n_best result types, and disabling any…

Understand SPE configuration

…database. Supported MySQL engines are based on original MySQL v5.6+ or MariaDBv10+. # Type of database # Suported are SQLite and MySql server.db.engine = SQLite The database is mainly used as the working cache – details about SPE user accounts are saved in the database as permanent objects, speech processing results are stored inside as dependent objects: the results are…

Understand SPE database

…data (MariaDB / MySQL only, OFF by default, can be set in SPE configuration file) To cache or not to cache? Well, that’s a question… 😉 It depends on the particular use case AND on the design of your application, whether using the built-in results caching would be beneficial or not. In general, the built-in results caching can be useful…

Releases and Changelogs (SPE)

…was found in cache Fixed: Hardware profile file contains extra NULL character Due to change in STT results content, all STT results are removed from cache (database) during update! Speech Engine 3.50.0, DB v1900, BSAPI 3.50.0 (2022-03-23) New: Support for word classes in STT preferred phrases (currently in CS_CZ_6 only) New: phxadmin2 was promoted from BETA to production New: phxadmin2…

Understand SPE configuration file

cache, if set to 0, cache is disabled server.audio_source_profiles_cache_size = 64 See Audio Source Profiles cache for more detials. server.bsapi_comparator_fa_cache_size # Number of recently used score shifts for false acceptance calibration hold in cache, if set to 0, cache is disabled. Default is 100 000. # Hold per pair of Audio Source Profile with enabled false acceptance calibration and compared…

SID: Speaker Identification: Results Enhancement

cache capacity is reached the least recently used profile is removed from the cache. When an Audio Source Profile is removed from the SPE the profile is discarded from the cache as well. The cache is in-memory only and therefore it is cleared when the SPE is terminating. False Acceptance cache Persistence: no (in-memory only) Cache Type: LRU cache (Least…